/Investor DB

Y Combinator — Full Portfolio

6,827 tracked investments · page 28 of 35 · listed companies and verified rows first

Scubascuba.ioin𝕏Jan 2013Acquired

Behavure AI provides a behavioral intelligence platform for enterprises to monitor, explain, and control AI systems, agents, and LLMs in real time.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareMountain View, US

Ann Johnson(CEO)inBobby Johnson(CTO)inTony Ayaz(Co-Founder (CEO))inChris Dolan(Co-Founder (CTO))Lior Abraham(Founder)in

Co-investorsBattery VenturesDCVC (Data Collective)Fuel CapitalIndex VenturesM12 (Microsoft's Venture Fund)SV Angel+3 more

Sculptsculptcosting.cominJun 2022

Sculpt develops AI models fine-tuned to read manufacturing drawings and extract details such as materials, standards, dimensions, tolerances, and operations for precision manufacturers.

Advanced ManufacturingAI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Vidhi Vakharia(Founder)inPradhith Konduri

Co-investorsBas1s VenturesFellowsJames Beshara FundLeonis InvestissementPalrecha Capital RollingPeterson Venture Partners+2 more

Seaboundseabound.coinJan 2022

Seabound develops an onboard carbon capture system for maritime vessels that locks CO₂ emissions into solid carbonate pebbles for offloading and storage, enabling shipowners to reduce greenhouse gas emissions from their fleets.

Advanced ManufacturingCleantechClimate TechLondon, GB

Alisha Fredriksson(Founder)inRoujia Wen(Founder)inAlisha Fredriksson Roujia Wen(Founder)Walker Kehoe(Founding Mechanical Engineer)Ryan McLaughlin(Robotics and Controls Engineer)Kyle McCornack(Controls Software Engineer)

Co-investorsCollaborative FundHAWKTAILLeap Forward VenturesLowercarbon CapitalRebel FundSoma Capital+6 more

Sealseal.runinJun 2020

Seal provides a software platform that replaces paper and legacy systems for managing GxP (good manufacturing and laboratory practices) work, with built-in AI assistance for process improvement, validation tracking, and compliance records in pharmaceutical and life sciences manufacturing.

AI & Machine LearningBiotechEnterprise SoftwareHealthtechSaaSLondon, GB

Will Moss(Founder)inJonathan Dench(Founder)inWilliam HartinAlberto Frias Fernandez(Chief of Staff)Alastair Hellyer(Operations)Tom Walton(Associate)

Co-investorsEntrepreneur FirstJude GomilaAllison Pickens VenturesAndreessen HorowitzASDF VenturesBragiel Brothers+6 more

Seals AItitanio.ai

Titanio is an AI system that runs on a company's ERP to turn customer calls, texts, emails, and WhatsApp messages into quotes and orders, plan sales reps' routes and visits, and automatically re-engage lapsed accounts to drive reorders.

AI & Machine LearningSaaSSales Tech

Fernando Huerta(Founder)inHeber Garza(Founder)inJavier Gonzalez(Founder)inLuis Mario Garcia(Founder)in

Seamseam.coin𝕏Jun 2020

Seam provides an API platform that enables developers and businesses to connect applications with IoT devices and orchestrate their use.

Developer ToolsEnterprise SoftwareIoTPropTechSaaSSan Francisco, US

Dawn Ho(Founder)inSy Bohy(Founder)inSeve IbarluzeaKat Truong(Recruiter)Arynne Wexler(partnerships)Jared Saks(Technical Recruiter)

Co-investorsPioneerRoot Ventures Manager, LlcSoma CapitalTodd and Rahul’s Angel FundTuesday CapitalVortex Capital Partners+11 more

Searchlightsearchlight.aiin𝕏Jan 2019Acquired

Searchlight provides AI-powered talent assessment tools that help organizations identify and evaluate job candidates more effectively.

AI & Machine LearningEnterprise SoftwareHR TechSaaSSan Francisco, US

Anna Wang(Founder)inKerry Wang(Founder (acquired))inNathan Chan(Business Operations)Rob Gordon IV(Head of BD)Andrew Olsen(Head of Customer Success)Brandon Jeffs(Talent)

Co-investorsAccelKapor CapitalSoma CapitalAllison Pickens VenturesEmerson Collective InvestingFenwick & West+1 more

Seawise Capitalseawisecapital.cominJan 2019Acquired

Seawise Capital provides working capital financing to small and medium-sized Indian exporters by purchasing their invoices from overseas customers without requiring collateral.

FintechNew Delhi, IN

Kunal Rajvanshi(Founder)inVidur Jain(Founder)inManish Pal(Founder)in

Co-investorsSoma CapitalUtopian VenturesGlobal Founders CapitalOurCrowdS2 CapitalS28 Capital

Secodasecoda.coin𝕏Jun 2021

Secoda is an AI-powered data management platform that consolidates data catalog, lineage, governance, monitoring, and observability functions for enterprises.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSToronto, CA

Etai Mizrahi(Founder)inAndrew McEwen(Founder)inCameron Morris(Operations)Dexter Chu(dexter@secodaco)Thomas Foley(sales)Parmeet Gill(sales)

Co-investorsAbstract VenturesCraft VenturesGarage CapitalGolden VenturesSoma CapitalGlobal Founders Capital+1 more

Secondsecond.devin𝕏Jan 2023Defunct

Second provides automated codebase maintenance and analysis tools for engineering teams, covering tasks like code migrations and intelligent code insights.

AI & Machine LearningDeveloper ToolsEnterprise Software

Eric Rowell(Founder)inJustin Colsky(Recruiter)

Co-investorsCapitalize VCGoodFin VenturesGoodwater CapitalLouis BerylPioneerStonks+2 more

Second Measuresecondmeasure.comin𝕏Jun 2015 · $20MAcquired

Second Measure provides data analytics and insights derived from consumer transaction data to support investment research and decision-making.

Data & InfrastructureEnterprise SoftwareFintechSan Francisco, US

Michael Babineau(CEO)inLillian Chou(COO)inJacob BoeremainDaniel Conrad(Chief Business Officer)inPranshu Maheshwari(Product Manager)inJames Swain

Co-investorsBessemer Venture PartnersFundersClubNorwest Venture PartnersOmega Venture PartnersScrum VenturesCiti Ventures+7 more

Securedsecured.communityin𝕏Jan 2018Defunct

Secured offers a membership service providing market insights and community connections for collectors and investors in sneakers, NFTs, sports cards, and other collectibles.

B2B MarketplacesConsumerDirect to ConsumerMarketing TechLondon, GB

Jack Ryder(CEO)inSam Howarth(COO)inCezar Grigore(CTO/CGO)in

Co-investorsACE & CompanyFoundation CapitalHeadlineKleiner PerkinsSCM Advisors

Seedseed.coJan 2015Acquired

Seed offers mobile banking services tailored to small business owners, providing digital banking tools and support services for business management.

FintechSan Francisco, US

Brian Merritt(CEO)inRyan Hildebrand(Founder)inAra Katz(Founder)Raja Dhir(Founder)

Co-investorsMission and MarketArtis VenturesAtomicoBold Capital PartnersBoxGroupCipio Partners+16 more

Seeing Systemsseeing-systems.comin𝕏Jan 2026

Seeing Systems develops intelligent unmanned systems and autonomous drone platforms for advanced defense applications, combining AI and robotics expertise to deliver cost-effective solutions for training and contested military operations.

Advanced ManufacturingAI & Machine LearningDefense TechHardwareRoboticsLondon, GB

Matthew Le Maitre(CTO)inAlexander Le Maitre(CEO)inMark K(CoS)

Co-investorsEight CapitalPioneerSeven Capital VenturesAnyma CapitalBlast.ClubCocoa+8 more

Seerhelloseer.comin𝕏Jan 2021

Seer provides a platform for sales associates in luxury retail to create and share customized lookbooks and style recommendations with clients.

Enterprise SoftwareRetail TechSaaSSan Francisco, US

Christina Czap(Founder)inFelipe Saint-Jean(Founder)inPaul Draper(CTO)Olivia Renaud(Head of Product)Clare Bruzek(Head of Operations)Kathleen Walsh(Marketing \u0026 Sales)

Co-investorsaMoonOpen Opportunity FundPioneerEsas VenturesFoundation CapitalGlobal Founders Capital+4 more

Seerslabargear.ioin𝕏Jun 2016Defunct

Seerslab develops augmented reality technology and digital content for smartphone manufacturers, telecommunications companies, and app developers to integrate into their products and services.

AI & Machine LearningConsumerHardwareSocialSan Francisco, US

Michael Chong(CEO)inJaeCheol Kim(Founder)in

Co-investorsAmino CapitalFoundation CapitalFour CitiesGraph VenturesKakao VenturesKite Entrepreneurship Foundation

Segmedsegmed.aiin𝕏Jan 2020

Segmed provides structured, de-identified medical imaging data and multimodal datasets from diverse populations to support research in AI and healthcare.

AI & Machine LearningData & InfrastructureDigital HealthHealthtechMedical DevicesSan Francisco, US

Martin Willemink(Founder)inJie Wu(Founder)inMarinus Johannes Willemink(Executive Officer, Director)Wojciech Adam Koszek(Executive Officer, Director)Cailin Hardell(Founder)Cailin Kramer(Founder)in

Co-investorsBlumberg CapitalExpeditionsiGan PartnersMighty CapitalNina CapitalNovaCapital+4 more

Segmentsegment.com𝕏Jun 2011 · $64Macquired by Twilio

Segment is a customer data platform that collects, unifies, and activates first-party customer data from multiple touchpoints, enabling businesses to create unified customer profiles and orchestrate personalized experiences across 750+ integrations and destinations.

Data & InfrastructureEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Ilya Volodarsky(Founder)inCalvin French-Owen(CTO)Peter Reinhardt(CEO)inIan Taylor(Cofounder)inJenn Garrett(Executive Officer)Andrew Beaird(Executive Officer)

Co-investorsAccelConvergeFounders Circle CapitalGreycroftGV (Google Ventures)Headline+13 more

Segments.aisegments.aiin𝕏Jan 2021Acquired

Segments.ai provides a multi-sensor labeling platform for robotics and automotive companies.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareRoboticsBrussels, BE

Otto Debals(Founder)inBert De Brabandere(Founder)inTobias Cornille(Engineer)Anna Thomlinson(Head of Operations)Justin Beriot(Developer)

Co-investorsMerus CapitalVolta Ventures

Sei AIseiright.cominJan 2022

Sei provides compliance and regulatory software for financial institutions.

AI & Machine LearningEnterprise SoftwareFintechNew York City, US

Pranay Shetty(Founder)inRamkumar Venkataraman(Founder)inPranay Shetty Ramkumar Venkataraman(Founder)

Co-investorsPICUS CAPITALSoma CapitalAugmentum FintechFrialeHashedMAGIC Fund+4 more

Seisseis.cominJan 2022Defunct

Seis offers banking services conducted entirely in Spanish for Hispanic customers in the US.

FintechSalt Lake City, US

Trevor McKendrick(Founder)inJoshua HowlandinCraig Beirdneau(Recruiter)

Co-investorsPeterson VenturesRolling Fun GPShrug CapitalAlbum VCAlturas Capital, LLCBroom Ventures+18 more

Sekilosekilo.cominJan 2022

Sekilo is a poultry distribution and processing company serving mid-to-downstream food service businesses including SMEs, restaurants, hotels, e-grocery startups, and meat processing manufacturers across Indonesia.

B2B MarketplacesEnterprise SoftwareFoodTechLogistics & Supply ChainJakarta, ID

Chandni Chainani(Founder)inNitish Chellaram(COO)in

Co-investors640 OxfordRebel FundSoma CapitalTaurus VenturesAsiantrust Capital PartnersForge Ventures+3 more

Selera Medicalseleramedical.cominJan 2024Defunct

Selera Medical develops a minimally invasive implantable device that treats heart failure by removing excess fluid buildup, reducing hospitalizations and symptom recurrence through a single procedure.

HealthtechMedical DevicesSan Francisco, US

Stacie Arechavala(Founder)inKevin Bui(Founder)in

Co-investorsAgrolimen Ventures

Selfinselfin.appin𝕏Sep 2025

Selfin provides a platform where users consolidate their financial accounts and receive AI-generated personalized recommendations for optimizing their finances.

FintechSan Francisco, US

Paula Gutierrez(CEO)inJoel Tomas Pimentel(CTO)in

Co-investorsTranspose Platform Management

Selfycartselfycart.comJun 2016Defunct

Selfycart provides mobile checkout technology that allows retail customers to scan items and pay directly from their phones without using traditional checkout lines.

Enterprise SoftwareSan Francisco, US

Sahle Hashelit(CEO)inErick Lee(CTO)in

Co-investorsBootstrapLabsComcast VenturesFrialeSierra Ventures

Seliaselia.coin𝕏Jan 2022

Selia is an online mental health platform offering therapy sessions with certified psychologists and therapists in Latin America.

Digital HealthHealthtechMental HealthWellness & FitnessBogotá, CO

Santiago de Bedout(Founder)inAlberto Reales

Co-investorsAmador HoldingsNido Ventures165 VenturesDay One VenturesDCA Capital

SellRazesellraze.comin𝕏Sep 2025

SellRaze is a mobile app for reselling secondhand items online, letting users create listings from an image, text, or barcode and crosslist them across marketplaces like eBay, Poshmark, Depop, Mercari, and Facebook.

AI & Machine LearningConsumerE-commerceMarketplacesSan Francisco, US

Jeff Mao(CEO)inTyler Ma(CTO)inJeff Mao Tyler Ma(Founder)

Co-investorsLobster CapitalPioneerTranspose Platform ManagementAgrolimen VenturesAmino CapitalBlast.Club+10 more

Semantics3semantics3.comJan 2013Acquired

Semantics3 provides data and AI APIs for ecommerce and logistics operations, offering product information feeds, machine learning-based categorization and attribute extraction, and analytics dashboards used by marketplaces, logistics providers, and brands.

AI & Machine LearningE-commerceEnterprise SoftwareLogistics & Supply ChainSan Francisco, US

Sivamani Varun(Team Member)inGovind Chandrasekhar(Head of Data-Science)inVinoth Gopi(Head Of Operations)

Co-investorsGolden Gate VenturesAgrolimen VenturesE-Merge

Semantixsemantix.aiinJun 2017Defunct

Semantix designs, builds, and operates AI-driven intelligent enterprises at scale, transforming complex business environments through orchestrated data, artificial intelligence, and enterprise operations.

AI & Machine LearningCloud ComputingEnterprise SoftwareHealthtechSan Francisco, US

Dave Ramish(Founder)inJohn Ramish(Founder)inDave Hart

Co-investorsCapital InnovatorsFJ Labs

Semblesembleai.cominSep 2025

Semble AI develops AI agents customized to a company's specific operations and integrated with its existing software and tools, targeting trades businesses.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Jonathan Tyshler(CEO)inEthan Boyers(CTO)inSemble Team(Founder)

Co-investorsEight CapitalMana VenturesCRV (Charles River Ventures)Great Wave VenturesRock Yard VenturesSandwith Ventures, LLC+2 more

Semgrepsemgrep.devin𝕏Jul 2021

Semgrep develops a code scanning platform that detects security vulnerabilities and code issues across multiple programming languages, integrated with CI/CD tools like GitHub and GitLab.

CybersecurityDeveloper ToolsSan Francisco, US

Drew Dennison(Founder)inIsaac Evans(Founder)in

Co-investorsMenlo VenturesArtisanal VenturesBallistic VenturesBright Pixel CapitalFelicis VenturesHarpoon Ventures+8 more

Semioticsemiotic.comin𝕏Sep 2025

Semiotic develops AI agents that automatically create landing pages for startups, addressing the gap between poor-quality automated website builders and expensive agency services.

Developer ToolsEnterprise SoftwareSan Francisco, US

Michael Roberson(CEO)inBryan Grisales(CTO)inBrandon Yao(COO)in

Co-investorsAcacia Venture Capital PartnersCapitalize VCCRV (Charles River Ventures)Leonis CapitalMadrona Venture GroupPeterson Venture Partners

SENDsend.ngin𝕏Jan 2020

SEND provides cargo shipping and logistics services for Africa through software-managed air and ocean freight, customs clearance, and supply chain financing.

Enterprise SoftwareLogistics & Supply ChainSaaSLagos, NG

Kingsley Oti(Founder)inLarry Oti(Founder)in

Co-investorsVentures PlatformAsymmetry VenturesFuture AfricaStartups

Sendbirdsendbird.comin𝕏Apr 2019 · $52M

Sendbird provides an AI-powered conversation platform that enables businesses to build conversational AI agents for customer interactions.

AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

John S. Kim(CEO)inBrandon Jeon(Recruitment Manager)inHarry Kim(CTO)inJoseph Pagano(Executive Officer)Yoonho Jeon(Director)Yeusin Kim(Director)

Co-investorsAugust CapitalBallpark VenturesCapstone Partners KoreaCategory VenturesEmergence Capital PartnersFundersClub+21 more

Sendbluesendblue.comin𝕏Jun 2023

Sendblue provides an iMessage API and business messaging platform that enables companies to send and receive real iMessages with automatic fallback to RCS and SMS.

Enterprise SoftwareSaaSSales TechNew York City, US

Rob Haber(Founder)inAlex Luis(Founder)inSam Queen(CRO)Nikee Carnagey(Senior Sales Manager)Lily Macomber(Senior CSM)Aaron Tomkins(Senior Sales Manager)

Co-investorsTwenty Two Ventures

Sendboxsendbox.coinJan 2021 · $1.8M

Sendbox is a logistics and delivery platform that enables local and international shipping for e-commerce sellers, social commerce merchants, and individuals.

B2B MarketplacesE-commerceEnterprise SoftwareLogistics & Supply ChainLagos, NG

Emotu Balogun(Founder)inOlusegun Afolahan(Founder)in

Co-investors4DX VenturesEnza CapitalFJ LabsFlucas VenturesKube VCMicrotraction+7 more

SendGridsendgrid.comin𝕏Jul 2023 · $3M

SendGrid provides email delivery and marketing infrastructure via APIs and SMTP services for developers and marketers to send emails at scale.

Cloud ComputingDeveloper ToolsMarketing TechMedia & EntertainmentSaaSDenver, US

Isaac Saldana(Founder)inJose Lopez(Founder)inTim Jenkins(Founder)Yancey Spruill(Chief Financial Officer and Chief Operating Officer)Michael Tognetti(Executive Officer)James H. Franklin(Chief Executive Officer)

Co-investors500 GlobalBain Capital VenturesBessemer Venture PartnersDecibel PartnersGraph VenturesK2 Global+6 more

SendHubsendhub.comin𝕏Jan 2012Acquired

SendHub provides SMS automation software that sends text messages automatically based on triggers, schedules, or customer behavior patterns.

Developer ToolsEnterprise SoftwareFuture of WorkMarketing TechSaaSSan Francisco, US

Ash Rust(CEO)inGarrett JohnsoninJohn Fallonein

Co-investors500 GlobalFundersClubHinge CapitalKapor CapitalWestern Technology Investment11-11 Ventures+13 more

Sendme, Incsendme.ngin𝕏Jan 2022Defunct

Sendme delivers fresh meat to households and food businesses via WhatsApp ordering, with fulfillment within three hours.

AI & Machine LearningConsumerE-commerceFoodTechIbadan, NG

Daniel Afolayan(Founder)in

Co-investorsIngressive CapitalVentures PlatformCresset CapitalGoodwater CapitalMyAsiaVCNiche Capital+4 more

Sendosendo.devJan 2022Defunct

Sendo provides an SMS and RCS API for startups, offering lower pricing than competitors and faster deployment for text messaging features.

Developer ToolsEnterprise SoftwareNew York City, US

Nick Rubin(Founder)inDaniel Lewis(Founder)in

Co-investorsBEENEXTBEENOSCommerce VenturesDaiwa PI PartnersGoodwater CapitalHard Yaka+3 more

Sendoidsendoid.comJan 2011Acquired

Sendoid provides a peer-to-peer file transfer service that lets users send files of any size to others through a simple link-based interface.

Enterprise SoftwareFuture of WorkSan Francisco, US

John Egan(Founder)inZac Morris(Founder)in

Sendwavesendwave.comin𝕏Jan 2012acquired by WorldRemit

Sendwave provides international money transfer services designed to simplify remittances through digital channels with low fees and fast transfers, serving customers who want to send money across borders without visiting physical locations.

B2B MarketplacesFintechBoston, US

Drew Durbin(CEO)inLincoln Quirk(Founder)inWei Deng(Product manager + Operator)inJohn Cockrell

Co-investors1435 CapitalDepth VenturesFlourish VenturesInitialized CapitalInspired CapitalNimble Partners+13 more

Seneca Systemssenecagov.cominJun 2016 · $3.5MAcquired

Seneca Systems builds software for government agencies that consolidates constituent communications, tracks service requests, and tracks constituent feedback.

GovTechSan Francisco, US

Nick DeMonner(CEO)inChris Maddox(CEO)in

Co-investorsCowboy VenturesFundersClubGovtech FundBurst CapitalInitialized Capital

Senicsenic.com𝕏Jun 2013Acquired

Senic produces smart home control devices compatible with Philips Hue and HomeKit, including wireless outdoor switches for home automation.

ConsumerHardwareIoTBerlin, DE

Philip Michaelides(Founder)inEoghan Jennings(Geschäftsführer)inAndreas Mohr(Founder)inJohannes Berdin(Founder)Kai-Dominik Kuhn(CTO)Lech Alexander Murawski(CTO)

Co-investorsBlack Tech Nation VenturesInfoteriaTarget PartnersWefunder

Sennu AIsennu.aiin𝕏Jan 2025

Sennu AI develops AI systems designed to reshape business operations for traditional enterprises.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Sriman Gaddam(CTO)inSukhjit Singh(CEO)in

Co-investorsMarble Creek Ventures468 Capital

SenpAI.GGsenpai.gginJun 2021Defunct

A desktop application that provides in-game coaching and post-game analysis to PC gamers through an overlay and voice assistant, using computer vision to deliver real-time feedback and recommendations.

AI & Machine LearningConsumerGamingBoston, US

Olcay Yilmazcoban(Founder)inBerk Ozer(Founder)in

Co-investorsACT Venture PartnersBamboo Capital PartnersBeagle VenturesFinadai HoldingsMF Superfund

Senseisenseirobotics.comJun 2024

Sensei connects robotics companies with human operators to collect real-world training data at scale.

Advanced ManufacturingAI & Machine LearningData & InfrastructureMarketplacesRoboticsBoston, US

Anubhav Guha(CEO)inJohn Piotti(CTO)inJoana Rafael(Founder)Nuno Moutinho(Founder)Paulo Carreira(Founder)Vasco Portugal(Founder)

Co-investorsCalibrate VenturesLotus Venture PartnersAlpha Square GroupBright Pixel CapitalLeadX Capital PartnersNetwork VC+2 more

Sensible Biotechnologiessensible.bioin𝕏Jun 2021

Sensible Biotechnologies develops a cell-based mRNA design and manufacturing platform that produces pure, low immunogenicity mRNA therapeutics for drug development.

AI & Machine LearningBiotechDeep TechHealthtechOxford, GB

Miroslav Gasparek(Founder)inMarian Kupculak(Founder)in

BoardVishal Gulati(Director)Joel Schoppig(Director)

Co-investorsCivilization Ventures Management, LlcIn-Q-TelKAYARecode VenturesTech HorizonsTraun Ventures+13 more

Senso.aisenso.aiin𝕏Jan 2024

Senso builds infrastructure that acts as a verified-context layer for AI agents, enabling organizations to ensure that AI answers align with their actual ground truth.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechToronto, CA

Saroop Bharwani(Founder)inThomas Nelson(Founder)inAndy Tran(Product Manager)

Co-investorsEight CapitalLuge CapitalMaiora Rebel VenturesMendoza VenturesNEXT AIRebel Fund+7 more

SensorSurftechnician.devinJan 2023Defunct

SensorSurf analyzes pull request check failures and generates suggested code fixes that developers can directly apply to their branches.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Alexander Bell(CEO)inNoah Epstein(Founder)in

Sentient OSsentient-os.aiinSep 2026

Sentient is a free, open-source macOS application that runs an on-device LLM to build a personal knowledge base from a user's files and proactively completes tasks through computer use.

AI & Machine LearningConsumerDeep TechEnterprise SoftwareFuture of WorkSan Francisco, US

Jesai Tarun(CEO)inAditya Vellanki(CTO)in

Sentiyensentiyen.comin𝕏Jun 2021

Sentiyen develops AI assistants that learn from a company's proprietary content to answer customer questions at scale.

AI & Machine LearningEnterprise SoftwareMarketing TechSan Francisco, US

Alex Perelman(Founder)inNathan Shinder(Founder)in

Co-investorsGaingelsTRAC (Third Round Analytics Capital)Global Founders CapitalGoodwater CapitalGreat Wave VenturesNOMO Ventures+1 more

Sentrialsentrial.comin𝕏Jan 2026

Sentrial builds a monitoring and debugging platform for AI agents and products in production, detecting issues like infinite loops and hallucinations while providing diagnostics and remediation recommendations to development teams.

Developer ToolsEnterprise SoftwareSan Francisco, US

Neel Sharma(CEO)inAnay Shukla

Co-investorsRebel FundAgrolimen VenturesBlast.ClubCRV (Charles River Ventures)Netitude CorpSandwith Ventures, LLC+1 more

Sepal AIsepalai.comin𝕏Jun 2024Acquired

Sepal AI generates training and evaluation datasets for AI models at scale, working with leading AI research labs and enterprises to improve model performance on real-world tasks.

AI & Machine LearningEnterprise SoftwareSan Francisco, US

Robi Lin(Founder)inKat Hu(Founder)inFedor ParetskyNathalia Beserra(Recruiter)Daniel Camareno(Recruiter)Steven Shang(CTO)

Co-investorsMetaplanetSID Venture PartnersSterling RoadVery Serious VenturesAmino CapitalCapitalize VC+3 more

Sepsis Scoutsepsisscout.cominJan 2018Acquired

A company developing wearable devices combined with artificial intelligence to detect early signs of sepsis in patients outside hospital settings.

HealthtechSan Francisco, US

Robert Quinn(CEO)inWei-Jien Tan(CTO)in

Co-investorsAbenteuer.VenturesAnthemis VentureBVM FundGaingelsKapor CapitalKdT Ventures+4 more

Sequence Biosequencebio.comin𝕏Jun 2019

Sequence Bio discovers genetic causes of disease within Newfoundland and Labrador's founder population to develop breakthrough treatments, diagnostics, and preventions.

AI & Machine LearningBiotechDeep TechHealthtechSt. John's, CA

Jeremy Grushcow(Chief Business Officer)inChris Gardner(President + CEO)inLynn Healey(Chief Executive Officer)inTom Barber(Chief Scientific Officer)inTyler Wish(Executive Officer, Director)James Hardiman(Director)

Co-investorsC3 VenturesDCVC (Data Collective)Killick CapitalPelorus Venture CapitalWestern Technology InvestmentHeron Rock AL Access Funds+1 more

Sequence Marketssequencemkts.comin𝕏Jan 2026

Sequence Markets provides infrastructure for executing trades across cryptocurrency exchanges, prediction markets, and tokenized asset platforms from a single interface, using proprietary low-latency routing technology to consolidate market data and order placement.

FintechToronto, CA

Peter Bai(CEO)inMuhammad Awan(CTO)inSequence Markets Team(Founder)

Co-investorsAmino CapitalTekedia CapitalVenture Investment Associates

Sequinsequinai.comin𝕏Jun 2021

Sequin AI develops AI voice agents designed to handle collections calls for consumer lenders and loan servicers, with built-in compliance safeguards.

AI & Machine LearningEnterprise SoftwareSan Francisco, US

Vrinda Gupta(Founder)inMark Thomas(Founder)in

Co-investorsBragiel BrothersCommerce VenturesDorm RoomEmles AdvisorsEureka CapitalFirst Check Ventures+11 more

Serafisserafis.aiin𝕏Jun 2025

Serafis indexes podcasts, interviews, and independent media to extract structured intelligence about companies and themes.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechSaaSSan Francisco, US

Rohan Sharma(CEO)in

Co-investorsCamford CapitalChaac Ventures

Serialserial.ioin𝕏Jan 2023Defunct

Serial provides software that connects to production line data sources, allowing manufacturing teams to diagnose operational problems and identify their causes through query-based analysis.

Developer ToolsEnterprise SoftwareSaaSSan Francisco, US

Tak Alguire(Founder)inDevon Copeland(Founder)in

Co-investorsBuilders VCForerunner VenturesPeterson Venture PartnersRomulus Capital

Sericasericapay.comJun 2015Defunct

Serica operates a commodities trading platform that allows users to purchase precious metals like gold and silver through dealer partners and trade them as tokenized asset receipts on Bitcoin and other digital currency exchanges, with custody services backed by physical bullion held by custodians.

FintechSan Francisco, US

Taariq Lewis(CEO)Karl Keefer

Co-investors500 GlobalFour CitiesPiper Serica

Serif Healthserifhealth.cominJan 2022

Serif Health provides healthcare pricing data and cost intelligence across payer transparency files, hospital disclosures, and claims data.

AI & Machine LearningData & InfrastructureHealthtechSaaSLos Angeles, US

Rafiq Ahmed(Founder)inMatthew Robben(Founder)inShalin Mehta(Director)inSalman HiraniBlake Birmingham(Head of Customer Operations)Bill Pajerowski(GM - Life Sciences)

Co-investorsCeltic House Asia PartnersOlive Tree CapitalPhoenix FundRebel Fund1984 Ventures Management, LlcIRR Investments+2 more

Serinus Biosciencesserinus.bioinJun 2022

Serinus Biosciences uses AI and systems biology to design drug combinations that overcome cancer cells' resistance to existing treatments, targeting safer and more effective therapeutic options.

BiotechHealthtechNew York City, US

Adam Yaari(CEO)inMaxwell Sherman(CTO)in

Co-investorsIllumina VenturesMetaplanetPioneerSapir Venture PartnersVertex Ventures IsraelAlexandria+5 more

Serna Bioserna.bioin𝕏Jan 2021

Serna builds a platform to unlock the transcriptome as a drug target for drug discovery.

AI & Machine LearningBiotechDeep TechHealthtechOntario, US

Rabia Khan(Founder)inAaron Lazarus(Chief of Staff)inPaul Bradley-Law(Head of People Ops)

Co-investorsBackedHummingbird VenturesLifeforce CapitalAME Cloud VenturesAmino CollectiveAxial VC+3 more

Serosero.soin𝕏Jan 2022

Sero provides AI-powered software for B2B companies' onboarding and implementation teams to accelerate and standardize customer setup processes.

Enterprise SoftwareSaaSSan Francisco, US

Jai Thirani(CEO)inAditya Padwal(CTO)in

Serraserra.ioinJun 2023

Serra operates a platform for hiring and managing skilled trades workers, handling job posting, worker matching, vetting, scheduling, and payment for heavy equipment and warehouse roles.

AI & Machine LearningB2B MarketplacesEnterprise SoftwareHR TechSan Francisco, US

Alan Wang(Founder)inAlbert Stanley

Co-investorsS2G InvestmentsSerra VenturesTeam IgniteVolo VenturesZ Venture Capital

Serve AIjoinpap.cominJun 2024

pap automates the identification and collection of refunds and compensation owed to consumers across retail price drops, flight delays or cancellations, and class-action lawsuits, requiring only email authorization to operate on the user's behalf.

AI & Machine LearningConsumerEnterprise SoftwareFintechSaaSSan Francisco, US

Kamal Nahas(CEO)inAnthony Rassi(CTO)inWeijie Wang(Founder)in

Co-investorsLobster CapitalAcacia Venture Capital PartnersAlumni VenturesBow CapitalCourtyard VenturesEight Capital+8 more

Serverlessserverless.comin𝕏Jul 2021 · $1M

Serverless provides the Serverless Framework, an open-source tool for developing, deploying, and monitoring APIs, scheduled tasks, workflows, and event-driven applications on AWS Lambda.

Cloud ComputingDeveloper ToolsSaaS

Austen Collins(Founder)in

Co-investorsHeavybitLightspeed Venture PartnersTrinity VenturesAccelAirbus VenturesAMD Ventures+10 more

Serverless Stackserverless-stack.comSep 2021 · $1M

SST is an open-source framework for defining and deploying full application infrastructure—databases, services, email, and web frontends—through a single configuration file across providers like AWS and Cloudflare.

Cloud ComputingDeveloper ToolsSaaS

Co-investorsNvested EquityGreylock PartnersSV Angel

Servo7servo7.comin𝕏Jan 2026

Servo7 develops AI control software for robots that learns from demonstrations to automate repetitive tasks, including in regulated industries like military and healthcare.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareLogistics & Supply ChainRoboticsAmsterdam, NL

Pieter Becking(CEO)inJasper van Leuven(CTO)inWillem Momma(Founding Engineer)

Co-investorsEight CapitalFestinaGuil Mobility VenturesNP-Hard VenturesScript CapitalSpacetime

Seva Coffeesevacoffee.com𝕏Jun 2015Defunct

Seva Coffee makes the Coffee Studio, a countertop robot that roasts, grinds, and brews coffee from green beans in minutes using laser technology.

ConsumerE-commerceFoodTechHardwareSan Francisco, US

Deepak Boggavarapu(CEO)in

SF Tensorsf-tensor.comin𝕏Sep 2025

SF Tensor builds software and infrastructure for high-performance AI and HPC workloads, offering automatic kernel optimization and cross-cloud compute management to reduce costs and complexity for research teams.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Ben Koska(CEO)inLuk Koska(CTO)inTom Koska(Founder)in

Co-investorsTranspose Platform ManagementBoxGroupCory LevyLiquid VenturesMetsu CapitalSoma Capital+1 more

SFA Therapeuticssfatherapeutics.comin𝕏Jun 2021

SFA Therapeutics develops oral therapeutic candidates based on deuterated short-chain fatty acids to treat autoimmune and oncologic diseases.

BiotechHealthtechPhiladelphia, US

Ira Spector(Founder)inAlla Arzumanyan(Founder)inMark Feitelson(Founder)in

Co-investorsAcequia Capital (AceCap)Farvatn VentureImmeasurableNorth South VenturesPlanet 9 CapitalAsymmetry Ventures+7 more

SFOXsfox.comin𝕏Jun 2014

sFOX is an institutional digital asset infrastructure platform providing enterprise-level access to crypto markets through a unified interface with deep liquidity, trading algorithms, and custody solutions.

Crypto & Web3FintechLos Angeles, US

George Melika(CTO)inAkbar Thobhani(Founder)inJavier Martinez(CEO)inBilal Chinoy(Chief Technology Officer)inDavid Arnold(Chief Financial Officer)inAleksandr Zhuk(Chief Information Security Officer)in

Co-investorsBlockchain CapitalDigital Currency GroupPlug and Play VenturesTransmedia CapitalUtopian VenturesBoost VC+6 more

Shadeformshadeform.aiin𝕏Jun 2023

Shadeform is a GPU cloud marketplace that enables users to deploy high-performance GPUs across 30+ cloud providers worldwide through a unified platform.

AI & Machine LearningB2B MarketplacesCloud ComputingData & InfrastructureDeveloper ToolsEnterprise Software

Ed Goode(Founder)inRonald Ding(Founder)inZachary Warren(Founder)

Co-investorsCharlotte FundGravitySoma CapitalTransLink CapitalGravity VenturesUnpopular Ventures

Shape (ShapeScale)shapescale.comin𝕏Jun 2015

ShapeScale is a home device that uses infrared depth sensors and a high-resolution camera to create a photorealistic 3D scan of a user's body, tracking measurements and body composition over time.

ConsumerHardwareWellness & FitnessSan Francisco, US

Alexandre Wayenberg(CEO)inMartin Kessler(COO)inFeliks Yaretskiy(Backend Engineer)Philippe Rétornaz(Head of Software)Taylor Jones(Business \u0026 People Ops Manager)Gabby Dillworth(Technical Recruiter)

Co-investorsAlsop Louie PartnersAlumni VenturesBamboo Group OÜMaiora Rebel VenturesWefunder

Shapedshaped.aiin𝕏Jan 2022acquired by Whatnot

Shaped is a relevance engine that powers personalized content feeds, hybrid search, and AI agent memory retrieval for real-time personalization applications.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSaaSNew York City, US

Tullie Murrell(CEO)inDaniel Camilleri(Founder)Shai Bruhis(Founder)

Co-investorsMadrona Venture GroupMango CapitalACE & CompanyCrystal Towers CapitalGlobal Founders CapitalLiquid Ventures+3 more

Sharethebussharethebus.com

Kyle Boulay(Founder)inWolf Kohlberg(Founder)

Co-investorsBMW i VenturesFounderFuelJackson Square Ventures

Sharpesharpe.shinJun 2024

Sharpe provides quantitative traders with AI-powered tools and market data infrastructure to rapidly develop and deploy trading strategies, combining historical market information with high-performance computing resources.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US

Vivek Hazari(Founder)inDaniel DiPietro(Founder)inJohn McCambridge(CPO)inZiray Hao(CPO)Suraj Srivatsin

Co-investorsSurgePoint Angel

SharpestMindssharpestminds.comin𝕏Jan 2018Acquired

SharpestMinds operates a mentorship network where experienced engineers from major tech companies guide aspiring data scientists, with compensation structured as a percentage of the mentee's first-year salary after employment.

AI & Machine LearningEnterprise SoftwareHR TechToronto, CA

Edouard Harris(CEO)inJeremie Harris

Shasqiin𝕏Jan 2015

Shasqi develops cancer therapeutics using click chemistry to activate drugs specifically at tumor sites, reducing systemic toxicity by localizing a reagent in the tumor that reacts with an infused inactive drug to generate concentrated therapeutic effects.

BiotechHealthtechSan Francisco, US

Jose M. Mejia Oneto(Founder/CEO)in

Co-investorsNazca

Shasta Healthshasta.healthin𝕏Jun 2023

Shasta provides AI agents that automate healthcare administrative workflows including patient eligibility verification, insurance communication, phone call handling, and referral management for healthcare providers.

AI & Machine LearningDigital HealthHealthtechSan Francisco, US

Srinjoy Majumdar(Founder)inPransu Dash(Founder)in

Co-investorsGoodwater Capital

Shefshef.comin𝕏Jan 2019 · $20M

Shef operates a marketplace connecting home cooks with customers who order prepared meals delivered to their homes, creating income opportunities for cooks while providing consumers access to prepared home-cooked food.

ConsumerFoodTechMarketplacesSan Francisco, US

Joey Grassia(CEO)inAlvin Salehi(Founder)inPhilip Bale(Engineering)Tim Brown(Head of Engineering)Luis Rodriguez(Operations Manager)Anna Wan(COO)

Co-investorsAndreessen HorowitzCRV (Charles River Ventures)DVCFJ LabsGaingelsLombardstreet Ventures+15 more

Shekel Mobilityshekelmobility.comin𝕏Jan 2023 · $7M

Shekel Mobility is a B2B marketplace and management system that provides auto dealerships with financial services (including credit facilities), operational automation, and cross-border transaction capabilities across emerging markets.

B2B MarketplacesFintechMobility & TransportationLagos, NG

Benjamen Oladokun(Founder)inValentine Mayaki(Founder)inSanmi Olukanmi(Founder)inSeun Okunfolami(Chief Product Officer)in

Co-investorsCross Culture VenturesMaC Venture CapitalMaiora Rebel VenturesPioneerRebel FundVentures Platform+3 more

Shelf Engineshelfengine.comin𝕏Jun 2018acquired by Crisp

Shelf Engine developed automated demand forecasting and ordering technology for grocery retailers, using machine learning to predict sales of perishable goods and reduce food waste.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSeattle, US

Stefan Kalb(CEO)inBede Jordan(CTO)inAre Traasdahl(CEO/Founder)inDag Liodden(CPO/Founder)inDeb Nielsen(Human resources)Sasha Martin(Head of Recruiting)

Co-investorsGeneral CatalystInitialized CapitalLemonade CapitalNotable CapitalPLUS CapitalSoma Capital+13 more

Shepherdshepherdinsurance.comin𝕏Jan 2021

Shepherd combines underwriting expertise with technology to modernize commercial insurance risk selection, pricing, and servicing.

Construction TechFintechInsurTechSan Francisco, US

Mo Mahallawy(CTO)inJustin Levine(Founder)inLeslie Ruiz(Recruiter)Carly(Recruiter)

Co-investorsEra VenturesOn DeckAirAngelsCostanoa VenturesGreenlight ReIntact Ventures+4 more

Shepherdshepherd.study𝕏Jan 2024

Shepherd provides schools with a learning platform that integrates AI-powered study tools, tutoring access, peer collaboration features, and progress tracking to offer students personalized academic support.

AI & Machine LearningEdTechMarketplaces

Moyosoreoluwa Orekoya(CEO)inMarcella Imoisili(CTO)inKehinde Williams(COO)in

Co-investorsCostanoa VenturesEra VenturesGreenlight ReIntact VenturesSpark Capital

Shepherdaskshepherd.aiinJun 2026

Shepherd is an AI assistant that integrates with a team's existing tools (messaging, code editors, CRM platforms) to create a unified memory system.

AI & Machine LearningEnterprise SoftwareHardwareSaaSSan Francisco, US

Philip Meng(Founder, CEO)inIshan Ramrakhiani(Founder)inElijah Renner(Founder)in

Co-investorsCostanoa VenturesEra VenturesGreenlight ReIntact VenturesSpark Capital

Shepherd Roboticsshepherdrobotics.aiSep 2026

Shepherd Robotics develops general-purpose robots for skilled physical tasks, using robot foundation models and modular hardware trained on real-world and simulation data to handle manipulation work.

Advanced ManufacturingAI & Machine LearningHardwareRoboticsSan Francisco, US

Feifei Duan(CEO)inDavid Fang(CTO)inKai Ru(Founder)in

Sherloqsherloqdata.ioinJan 2023

Sherloq is a platform for saving, managing, and sharing SQL queries, with versioning and team collaboration features that integrate with AI chat tools.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSTel Aviv-Yafo, IL

Noy Twerski(Founder)inNadav Gutman(Founder)inAlon Greenfield(Founder)in

Co-investorsfresh.fundF2 Venture Capital

Sherpawithsherpa.aiin𝕏Apr 2026

Sherpa uses behavioral data and continuous testing to automatically refine websites for both human visitors and AI agents, measuring success through conversion improvements.

Enterprise SoftwareSan Francisco, US

Ethan Kinnan(CEO)inNorbu Sonam(CTO)inXabi Uribe-Etxebarria(Founder)

Co-investorsBrighteye VenturesActivant CapitalAV CapitalBlast.ClubDN CapitalGolden Ventures+3 more

Sherpa Labssherpalabs.aiinJan 2025

Sherpa Labs is building an agentic data platform that uses a swarm of AI agents to automate ETL, data modeling, and data discovery.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US

Jeffrey Chiu(Founder)Justin Jiang(Founder)in

Co-investorsActivant CapitalBoxGroupThe E14 Fund

Shibolethshiboleth.aiinJan 2024

Shiboleth automates compliance quality assurance workflows for financial services firms, offering tools to screen complaints, transcribe and summarize customer interactions, test transaction compliance with regulations like TILA and FCRA, and verify sanctions screening.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechSan Francisco, US

Esty Scheiner(CEO)inBivu Dhungana(CTO)in

Co-investorsPioneerBria FundLiquid VenturesMyAsiaVCPeterson Venture PartnersVenture Investment Associates

Shield Bioshieldbio.comJun 2016Defunct

Shield Bio develops nanopore sequencing technology for clinical use, designed to run rapid genetic tests in healthcare settings.

HealthtechMedical DevicesSan Francisco, US

Fred Turner(CEO)inSam ParlettShahar Or-Geva

Co-investorsAndreessen HorowitzCivilization Ventures Management, LlcEsas VenturesFrialeIntuition CapitalKnollwood Investment Advisory+6 more

Shieldedshieldedglobal.cominJun 2026

Shielded combines a company's internal datasets with external information sources to map how external prices and events affect margins and cash flow, continuously tracking supply chain and financial risks.

AI & Machine LearningEnterprise SoftwareFintechLogistics & Supply ChainSan Francisco, US

James Simon(CEO)in

Co-investorsVela Partners

Shift Healthshifthealth.ioJun 2019

Shift provides AI agents that automate healthcare administrative and clinical workflows, including patient scheduling, billing inquiries, claims processing, and medical coding for healthcare providers and practices.

AI & Machine LearningFintechHealthtechSaaSLehi, US

Lance Rodela(Founder)inDaniel Penn(Cofounder)Dallin Palmer(Co-Founder)Lance Hydrick

Co-investorsSpringTide Ventures

Shift Labsshiftlabs.comin𝕏Jan 2015Acquired

Shift Labs develops DripAssist, an FDA-cleared infusion rate monitor that enables safe delivery of gravity IV medications in home and out-of-hospital settings.

Digital HealthHardwareHealthtechMedical DevicesSeattle, US

Beth Kolko(CEO)inJoseph Mechlinski(Executive Officer, Director)Koji Intlekofer(CTO)in

Co-investorsKnockout CapitalSGH CapitalGFO CompaniesGreat Oaks Venture CapitalInvesto CapitalLin, Bill | A10 Ventures+2 more

Shift Messengershiftmessenger.comin𝕏Jan 2015Defunct

Branch provides earned wage access and on-demand payment solutions for businesses and their workers, enabling employers to offer employees faster access to their earnings through an integrated payroll platform.

Enterprise SoftwareFintechFuture of WorkHR TechSan Francisco, US

Austin Vedder(CEO)inMatt Tognetti(CTO)inAtif Siddiqi(Founder)

Co-investorsCommerce VenturesFusionGolden Venture PartnersGolden VenturesKapor CapitalQueensBridge Venture Partners+2 more

Shimmershimmer.carein𝕏Jun 2021

Shimmer provides coaching, community, and digital tools designed specifically for people with ADHD, combining expert guidance with peer support to help them reach their potential.

Digital HealthHealthtechMental HealthWellness & FitnessSan Francisco, US

Vikram Sreedhar(Founder)inChris Wang(Founder)inChristal Wang(Founder)inJon Wangin

Co-investorsGaingelsHoneystone VenturesStartXKoa LabsPillar VCWefunder+1 more

Shinkei Systemsshinkei.systemsinJan 2022

Shinkei deploys robotics and computer vision hardware on commercial fishing vessels to process seafood at sea, improving quality and traceability while reducing America's seafood import reliance.

Advanced ManufacturingAgTechAI & Machine LearningFoodTechHardwareRoboticsLos Angeles, US

Saif Khawaja(Founder)inReed Ginsberg(Vice President, Engineering)Grant Gregory(Investor)Imani Moody(Operations)Zhifei Shen(Engineering)Adam Edelhauser(Engineering)

Co-investorsCantos VenturesDorm RoomGlobal BrainHumba VenturesImpatient VenturesLontra Ventures+18 more

Shiok Meatsshiokmeats.comin𝕏Jan 2019Acquired

Shiok Meats grows shrimp and other seafood through cellular agriculture, cultivating animal tissue in laboratories rather than harvesting from wild or farmed sources.

BiotechClimate TechFoodTechHealthtechSingapore, SG

Ling Ka Yi(Founder)inSandhya Sriram(CEO)in

Co-investorsBig Idea VenturesEntrepreneur FirstSustainable Food VenturesVegInvestAera VCAgFunder+24 more

Shipamaxshipamax.comin𝕏Jan 2017 · $7MAcquired

Shipamax develops technology that automatically processes logistics documents into structured, machine-readable data, helping freight forwarding and supply chain companies reduce manual work across multi-party shipment operations.

Enterprise SoftwareLogistics & Supply ChainLondon, GB

Jenna Brown(CEO)inFabian Blaicher(CTO)inJenna Blaicher-Brown(Founder)inNick Thorne(Head of Product)

BoardSimon Levene(Director)in

Co-investorsCrane Venture PartnersLong Venture PartnersMosaic VenturesAcequia Capital (AceCap)AME Cloud VenturesBuckley Ventures Management Company Llc+9 more

ShipBlushipblu.comin𝕏Jun 2021

ShipBlu is an AI-powered logistics platform that provides shipping, delivery, and fulfillment services for eCommerce businesses in Egypt.

AI & Machine LearningE-commerceEnterprise SoftwareLogistics & Supply ChainCairo, EG

Ali Nasser(Founder)inAhmed ElKawass(Founder)inAbdelrahman Hosny(Founder)in

Co-investorsFund I, a series of Africa FinTech Collective, LPSoma Capital1984 Ventures Management, LlcFlexportNama VenturesNegma Group+2 more

ShipBobshipbob.comin𝕏Jun 2014 · $40M

ShipBob provides fulfillment and logistics services for ecommerce businesses, enabling direct-to-consumer brands to outsource order fulfillment and warehouse operations.

E-commerceEnterprise SoftwareLogistics & Supply ChainChicago, US

Divey Gulati(Founder)inDhruv Saxena(Founder)inAnthony Watson(Cofounder)inMustafa Bayramoglu(Software Architect)inPatrick Johnson(Head of User Experience \u0026 Design)Andy Pittman(Vice President Global Talent)

Co-investorsBain Capital VenturesBragiel BrothersFJ LabsFundersClubHyde Park Venture PartnersJunipero+19 more

Shipmatesshipmates.appin𝕏Jun 2022

Shipmates provides a platform for Philippine e-commerce merchants to book shipments with multiple courier partners through bulk uploads or Shopify integration.

Enterprise SoftwareLogistics & Supply ChainMakati, PH

David Marquez(CTO)inJosh Supan(Founder)inMyki Espiritu(People and Operations Head)Kar Marquez(HR)

Co-investorsBuko VenturesITERATIVETaurus VenturesWavemaker PartnersCathexis VenturesForesight Ventures+5 more

Shippershipper.idin𝕏Jan 2019

Shipper provides end-to-end logistics solutions and digital infrastructure for e-commerce and businesses in Indonesia and Southeast Asia, including freight forwarding, fulfillment, and supply chain financing.

B2B MarketplacesE-commerceEnterprise SoftwareLogistics & Supply ChainJakarta, ID

Budi Handoko(Founder)inPhil Opamuratawongse(Founder)inIan Yanusko(Internal Product Head)inVinesh Arun(Corporate Strategy \u0026 Ops)in

BoardArjun Chopra(Director)inYinglan Tan(Director)in

Co-investorsAC VenturesAlter GlobalCapria VenturesFloodgateGold House VenturesIndogen Capital+11 more

Shiraz AIshiraz.aiin𝕏Jun 2026

Shiraz builds a robot foundation model that learns a new manufacturing task from a single human video demonstration, without programming or retraining, and delivers the full stack of hardware, model, and on-site deployment.

Advanced ManufacturingAI & Machine LearningRoboticsSan Francisco, US

Navid Aghasadeghi(CEO)inMojtaba Mozaffar(CTO)in

Co-investorsAlumni VenturesFounders FactoryOurCrowd

Shire Intelligenceshireintelligence.comSep 2026

Shire Intelligence offers an AI system that analyzes existing CCTV camera feeds in full-service restaurants to detect floor activity—such as guests ready to order, tables waiting for checks, or double-booked servers—and alerts staff and coordinates seating in real time.

ConsumerFoodTechMyrtle Beach, US

Cameron Kuperman(Founder/CEO)inHarshith Guduru(Founder/CTO)inAlex Tabaku(Founder/CFO)in

Shirushiru.comin𝕏Jun 2019

Shiru uses AI and material science to discover natural proteins and ingredients for use in food, personal care, agriculture, and advanced materials, reducing traditional development timelines from 5-15 years to 1-2 years.

AI & Machine LearningBiotechFoodTechHealthtechEmeryville, US

Jasmin Hume(Founder)inLawrence Lee(CTO)Geoffroy Dubourg-Felonneau(Machine Learning Lead)

Co-investorsEmles Venture PartnersGaingelsLux CapitalNourish VenturesS2G InvestmentsSGH Capital+12 more

Shogungetshogun.comin𝕏Jan 2018 · $35M

Shogun provides software tools for ecommerce store optimization and management, integrating with platforms like Shopify and BigCommerce.

Developer ToolsE-commerceEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Finbarr Taylor(CEO)inNick Raushenbush(Founder)inDamien Kan(Founder)Alexandre Bini(CTO)Rachael Harnish(Director of Operations)Cady Smola(Recruiter)

Co-investorsAccelFundersClubInitialized CapitalInsight PartnersPioneerAmplify Partners+5 more

Shoneshone.comJan 2018Defunct

Shone retrofits existing cargo ships with autonomous systems to enable unmanned operation.

Advanced ManufacturingLogistics & Supply ChainRoboticsSan Francisco, US

Antoine de Maleprade(CTO)inUgo Vollmer(CEO)Clement RenaultSteph Wang(operations)

Co-investorsC3 VenturesSoma CapitalAgrolimen VenturesAlvenBoron, LLCHack VC+4 more

Shoobsshoobs.com𝕏Jan 2014

Shoobs is an events and entertainment platform that organizes live music festivals and cultural celebrations featuring African artists and heritage-focused events for diverse audiences in the UK.

ConsumerMarketplacesMedia & EntertainmentTravel & HospitalityLondon, GB

Louise Broni-Mensah(Founder)in

Co-investorsEchoVC Partners

Shopagramshopagram.coJan 2014Defunct

ConsumerE-commerce

Jamal Ashraf(CEO)inDavid Petrie

Shoptiquesshoptiques.comJan 2012

Shoptiques is an online marketplace connecting independent fashion boutiques with customers seeking curated, one-of-a-kind merchandise.

ConsumerDirect to ConsumerE-commerceMarketplacesRetail TechNew York City, US

Olga Vidisheva(CEO)inPeter Delahunty(CTO)inDan Morin(Founder)inJeff Morin(Founder)inMarc Gugliuzza(Vice President, Engineering)

Co-investorsAndreessen HorowitzBenchmarkBINARY CAPITALBlockchange VenturesBrainchild HoldingsGeneral Catalyst+3 more

Shopularshopular.com𝕏Jan 2012 · $6.4MAcquired

A cashback rewards platform that enables consumers to earn returns on purchases at 3,500+ retail brands through a website and browser extension.

ConsumerE-commerceFintechMarketplacesSan Francisco, US

Tommy Sze Ngai Tsai(Founder)inNavneet Loiwal(CEO)

BoardAlfred Lin(Board Director (Sequoia Capital))in

Co-investorsTeam Builder VenturesFoundation CapitalSequoia Capital

ShopWithshopwith.coJun 2018Defunct

ShopWith operates a mobile shopping platform modeled after televised home shopping, targeting younger consumers through video-based product discovery and purchasing on smartphones.

E-commerceEnterprise SoftwareMarketing TechSan Francisco, US

Aaron Chou(Founder)inMelody Kim(Founder)inLewis Chung

Co-investorsCathexis Ventures

Shorshorpay.comin𝕏Jun 2025

Shor provides international payroll and contractor payment services, allowing startups to hire employees and contractors globally and run payroll on autopilot.

FintechHR TechSaaSSan Francisco, US

Daivik Goel(CEO)inAvi Konduru(Founder)inDaivik Goel Avi Konduru(Founder)Swapneel Bobba(Founding Engineer)

Co-investorsAgrolimen VenturesBlast.ClubFounder CapitalGoodwater CapitalPolychain CapitalTekedia Capital

Short Storyshortstorybox.cominJun 2019

Short Story designs and sells clothing made specifically for petite women, with sizes tailored to women 5'4" and under.

AI & Machine LearningConsumerDirect to ConsumerE-commerceMarketplacesSan Francisco, US

Samuel Hoffstaetter(Founder)inIsabella Sun(Founder)inDave Goldberg(COO)Irene Cheng(Short Story)Sage Bray(Head of People)Daria Niescierowicz(Executive Assistant)

Co-investorsCoughdrop CapitalNo Talking CapitalHyphen CapitalOperate VenturePay It Forward - PIFVenture Investment Associates+1 more

Shortbreadshortbread.aiin𝕏Jan 2023

Shortbread develops AI-powered tools for creators to produce serialized visual stories (comics and web series) faster and at lower cost, then distributes them directly to consumers via a mobile platform.

AI & Machine LearningConsumerCreator EconomyMedia & EntertainmentSan Francisco, US

Fengjiao Peng(Founder)inYiping Lyu(Founder)inEvan Hu(CTO)

Co-investorsAEON FoundryK20 FundThe E14 FundAmino CapitalBat VCPioneer+2 more

shortkitshortkit.devinJan 2026

ShortKit provides an SDK and infrastructure platform for building and scaling short-form vertical video applications.

Developer ToolsEnterprise SoftwareMedia & Entertainment

Neil Bhammar(CEO)inMichael Seleman(CTO)in

Co-investorsDorm RoomAmino CapitalBlast.ClubTeam Ignite

ShortLoopshortloop.devin𝕏Jan 2023

ShortLoop is a business development center platform that automates and manages customer outreach and appointment scheduling for automotive dealerships.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Vishnu Vinjam(Founder)inSumit Mulchandani(Founder)inDeepak Thakur(Founder)inDivyanshu Sharma(Software Engineer)Abhay Chauhan(Software Engineer)

BoardAlok Goyal(Director)

Co-investorsStellaris Venture Advisors 2 Llp

Shotputtheshotput.comJun 2015Defunct

Shotput builds software to automate logistics and fulfillment operations for e-commerce companies, handling tasks like route optimization, demand forecasting, and cost reduction across shipping and warehousing.

E-commerceEnterprise SoftwareLogistics & Supply ChainRoboticsSan Francisco, US

Praful Mathur(CEO)inJames Steinberg(Founder)in

Co-investorsArray Ventures Management LlcCaffeinated CapitalFour CitiesNexus Venture PartnersPrimer Sazze Partners

shotwell.aishotwell.aiin𝕏Apr 2026

Shotwell.ai provides automated failure detection from video data for robotics companies, analyzing footage from both development and production environments to generate annotations with minimal latency.

Advanced ManufacturingRoboticsSan Francisco, US

Farhan Khan(CEO)inAli Abdalla(Founder)inAli Abid(CTO)inNour Eldifrawy(Founder)in

Co-investorsAmino CapitalGeneral AdvanceRace CapitalRobinhood

Shoutuseshout.comJun 2014Defunct

Shout operates a marketplace where users can buy and sell tickets and event reservations directly, with an accompanying iOS app that facilitates real-time messaging between buyers and sellers and manages transactions.

ConsumerMarketplacesNew York City, US

Zachariah Reitano(Founder)inHenri Stern(Founder)inConnor Hailey(Software Developer)

Shoutfitshoutfit.comJun 2006Defunct

Shoutfit developed a social network platform centered on clothing, and previously experimented with a clothing search engine.

ConsumerDirect to ConsumerSan Francisco, US

Chris Smoak(Founder)inEric Seidel

Shred Videoshredvideo.com𝕏Jun 2015

Shred Video provides video and photo production technology to adventure tourism operators, enabling them to automatically create and sell cinema-quality content to customers.

ConsumerHardwareMedia & EntertainmentSaaSSan Francisco, US

Mike Allen(CEO)inMark Godfrey(CTO)in

Co-investorsFour Cities

Shuttleshuttle.devin𝕏Jun 2020Defunct

Shuttle is an open source cloud platform for developing and deploying web applications with Rust, replacing container technology with a lightweight alternative to achieve sub-second deploy times.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSLondon, GB

Nodar Daneliya(Founder)inChristos Hadjiaslanis(Founder)inDamien Broka(CTO)Jawwad Jahangir(Founder)Nodar Danelia(Founder)inReyasat Chowdhury(Founder)

Co-investorsAbstraction CapitalActivant CapitalHorizonCRV (Charles River Ventures)Global Founders CapitalIdentity.vc+1 more

Shuttle Centralshuttlecentral.comin𝕏Jan 2022

Shuttle Central provides airport and ground transportation booking services across Mexico, the Caribbean, USA, and Latin America, offering instant confirmation and 24/7 customer support.

ConsumerE-commerceLogistics & Supply ChainTravel & HospitalityCancún, MX

Barsi Luna(Founder)inJorge De Cordova(Founder)inLuis Uicab(Founder)in

Co-investors500 GlobalCapria VenturesGaingelsMGV CapitalAngel Ventures MexicoG2 Momentum Capital+1 more

Siastosiasto.comJan 2011Defunct

Siasto is a project management and collaboration platform that integrates with Google Workspace, Box, and Dropbox to consolidate tasks, calendar events, and files in a single interface.

Enterprise SoftwareFuture of WorkSan Francisco, US

Courtland Allen(Founder)inMargot Bushnaq(Founder)Nic Pantucciin

Co-investorsStart Capital

Sidekicktextsidekick.cominJun 2026

Sidekick is a mobile-first work order and knowledge management platform that helps workers report maintenance issues via SMS text, automatically routes them to the right technician, and captures repair knowledge into a searchable digital archive.

Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Justin So(CEO)inMatthew Ford(Founder)Peter Townsend(Founder)

Co-investorsVela PartnersEos Venture Partners LimitedFlyer One VenturesRuna Capital

Sidenotesidenote.aiinJun 2023Defunct

SideNote is a real-time workplace communication monitoring and coaching platform that uses AI to detect and prevent legal, compliance, and policy violations before messages are sent.

AI & Machine LearningEnterprise SoftwareFuture of WorkSan Francisco, US

Jason Lin(Founder)inScott Hickmann(Founder)inSchwinn Saereesitthipitak(Founder)inDallin Urness(Founder)in

sieveusesieve.comin𝕏Apr 2025

Sieve provides a data quality platform that combines AI and human validation to clean and verify financial datasets for investment teams.

AI & Machine LearningData & InfrastructureEnterprise SoftwareFintechNew York City, US

Nicole Lu(CEO)inSavannah Tynan

Co-investorsClocktower VenturesFinancial Venture StudioRestive VenturesSBXi

Sievesievedata.comin𝕏Jan 2022

Sieve creates high-quality multimodal datasets and training environments for frontier AI labs developing generative media, robotics, and agentic systems.

AI & Machine LearningData & InfrastructureDeep TechDeveloper ToolsEnterprise SoftwareSan Francisco, US

Mokshith Voodarla(Founder)inAbhinav Ayalur(Founder)inNicole Lu(Founder)inIshan Dhawan(Chief of Staff)Lincoln Goetting(Talent)

Co-investorsFjor FoundersMatrixSwift VenturesClocktower VenturesCory LevyRauch Capital+1 more

Siftsift.comin𝕏Jun 2011 · $5.5M

Sift provides an AI-powered platform for fraud prevention and risk decisioning that helps digital businesses detect and manage online fraud.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechSaaSSan Francisco, US

Jason Tan(Executive Chairman)inLawrence AngeliinMarc Friend(Chief Executive Officer)inBrandon Ballinger(Founder)inAustin Spiegel(Founder)Karthik Gollapudi(Founder)

Co-investorsInsight PartnersStripesSpark CapitalEarthrise VenturesFINTOP CapitalFirst Round Capital+19 more

Siftlysiftly.aiin𝕏Jan 2022

Siftly tracks brand visibility across AI platforms like ChatGPT, Gemini, and Perplexus, generates optimized content for AI search results, and measures revenue impact.

AdTechAI & Machine LearningData & InfrastructureEnterprise SoftwareMarketing TechSan Francisco, US

Chalam PVS(Founder)inSandilya Miduthuri(Founder)inChalam PVS Sandilya Miduthuri(Founder)

Co-investorsTDV PartnersTitan CapitalGoodwater Capital

Siglosiglo.comin𝕏Jun 2021

Siglo is a prepaid internet service provider in Mexico offering flexible, month-to-month internet access with download speeds up to 100 Mbps.

Cloud ComputingConsumerFintechMexico City, MX

Joel Phillips(Founder)inIsaac Phillips(Founder)inAshley Guillen(Head of People)

Co-investorsCatalyst NetworksGaingelsImmeasurableIntegra GroupeOutbound VenturesSoma Capital+7 more

Sigma Geneticssigmagenetics.comJan 2017

Sigma Genetics makes devices that use magnetic fields to introduce DNA, RNA, and other charged molecules into cells, offering advantages over electroporation including reduced arcing, better scalability, and reduced invasiveness for in vivo applications.

BiotechHealthtechSeattle, US

Karen Eaton(CEO)inMatthew Scholz(Founder)inChris Pihl(Founder)inZachary R.(Founder)inTrevor Pels(CEO)

Co-investorsIKJ CapitalInvariantes Fund

SigmaMind AIsigmamind.aiin𝕏Jun 2022

SigmaMind AI provides a Voice AI platform for developers and enterprise teams to build and deploy AI agents that can execute actions across voice, chat, and email channels.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Ashish Agarwal(Founder)inPratik Mundra(Founder)in

Co-investorsAmino CapitalGMO VenturePartnersGoodwater CapitalKube VCMitsui Sumitomo Insurance CapitalSoma Capital+1 more

SigmanticAIsigmanticai.cominJun 2025

SigmanticAI provides an AI platform for semiconductor teams to automate hardware verification and RTL development using specialized agents that understand design code, run EDA tools, and manage coverage across the design workflow.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareHardwareSemiconductorsSan Francisco, US

Rohil Khare(Founder)inTamzid Razzaque(Founder)in

Co-investorsPioneerTranspose Platform ManagementPear VCProgressive VenturesTwenty Two Ventures

SigmaOSsigmaos.comin𝕏Jun 2021

SigmaOS is a macOS web browser that organizes tabs into workspaces and includes AI-powered features like website summarization and contextual search.

ConsumerDeveloper ToolsSaaSSan Francisco, US

Mahyad Ghassemi(CEO)inAli Attar(CPO)inSaurav Mitra(Founder)inMahyad Ghassemibouyaghchi(Founder)in

Co-investorsMoonfire Ventures7percent VenturesLatitud VenturesLocalGlobeMF SuperfundPioneer+2 more

Signadotsignadot.comin𝕏Jan 2020 · $4M

Signadot provides a Kubernetes-native developer platform that simplifies the development of cloud-native applications by enabling faster feedback loops and collaborative testing at scale.

AI & Machine LearningCloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US

Arjun Iyer(Founder)inAnirudh Ramanathan(Founder)inAnthony Yeh(Senior Software Engineer)David Polstra(Marketing Director)

Co-investorsRedpoint VenturesMaterialized View CapitalAllison Pickens VenturesEssence Venture CapitalRenegade PartnersTifo+1 more

Signalsreturnsignals.comin𝕏Jan 2026

Return Signals operates a two-way iMessage communication platform for DTC ecommerce brands, enabling customer support and personalized sales conversations before and after purchase.

Direct to ConsumerEnterprise SoftwareSaaSSan Francisco, US

Ilya Valmianski(CEO)inAlejandro Zaniolo(Founder)in

Signatur Biosciencessignatur.bioin𝕏Jun 2022

Signatur Biosciences develops molecular diagnostic solutions using qPCR technology for in vitro diagnostics, targeting clinical and laboratory markets.

BiotechDigital HealthHealthtechMedical DevicesLondon, GB

John Goertz(Founder)inCelestin de Wergifosse(Founder)inCelestin de Wergifiosse(CEO)

BoardProf Dame Molly Stevens(Scientific Advisory Board Chair, Co-inventor)in

Co-investorsAnjostMyelin VCRiceberg Ventures PremierAsymmetry VenturesMeusinvest (Noshaq)Roundtable Elyos Energy, Special+1 more

SigNozsignoz.ioin𝕏Jan 2021 · $6.5M

SigNoz provides observability and monitoring tools that help DevOps engineers and developers reduce noise and extract actionable signals from their systems.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Pranay Prateek(Founder)inAnkit Nayan(Founder)inVishal Sharma(Product)Mithun Arunan(Product)

Co-investorsAlumni VenturesJude GomilaLightspeed India PartnersSignalFireStellaris Venture Advisors 2 LlpTribe Capital+1 more

SigOptsigopt.comin𝕏Jan 2015Acquired

SigOpt provides a self-hosted server solution that enables organizations to run hyperparameter optimization and machine learning experimentation in their own environments without data leaving their servers.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Scott Clark(CEO)inPatrick Hayes(CTO)Eric LiuKurtisJim Blomo(Head of Engineering)Ian Dewancker(Research Engineer)in

Co-investorsAndreessen HorowitzBlumberg CapitalDCVC (Data Collective)In-Q-TelOlima VenturesSGH Capital+1 more

Silasilamoney.comin𝕏

Sila provides a money API and banking-as-service platform offering payment APIs and digital wallets for fintech businesses and financial products.

FintechSaaS

Shamir Karkal(Founder)inAlex Lipton(Founder)Angela Angelovska-Wilson(Founder)Carl Huang(Founder)inIsaac Hines(Founder)Mith Paresh Patel(Founder)in

Co-investorsArdent VentureGaingelsMadrona Venture GroupMucker CapitalPlug and Play VenturesRevolution+4 more

Silicasilicamachines.comin𝕏Sep 2026

Silica develops low-cost actuators with built-in force sensing, giving robots the ability to detect physical forces in their environment.

Advanced ManufacturingHardwareRoboticsSan Francisco, US

Enrico Milletti(Founder/CEO)in

Silimatesilimate.cominJun 2023

Silimate builds AI-powered EDA software that accelerates chip design workflows by combining fast computation engines, machine learning models, and user-friendly interfaces.

AI & Machine LearningDeep TechDeveloper ToolsEnterprise SoftwareHardwareSemiconductorsSan Francisco, US

Ann Wu(Founder)inAkash Levy(Founder)in

Co-investorsEight CapitalLifeX VenturesPioneerSoma CapitalSterling RoadThe MBA Fund+2 more

SilkChartsilkchart.comin𝕏Jun 2022 · $5.2M

SilkChart analyzes B2B SaaS sales calls to measure playbook adoption and sales rep performance, surfacing coaching opportunities and actionable feedback to improve deal outcomes.

AI & Machine LearningEnterprise SoftwareSaaSSales TechSan Francisco, US

Andreea Francis(Founder)inMatthew Rajcok

Co-investorsAsymmetric Capital PartnersEight CapitalOpen Opportunity FundAmino CapitalCresset CapitalDentsu+9 more

Silmarilsilmaril.devin𝕏Apr 2026

Silmaril is a security monitoring and threat detection platform that protects enterprise systems by identifying and blocking malicious tool calls and prompt injection attacks.

CybersecurityEnterprise SoftwareSan Francisco, US

Aum Upadhyay(CEO)inEduardo Velasco(CTO)in

Co-investorsTranspose Platform ManagementBlast.ClubGreylock PartnersMetsu CapitalRobinhoodSeven Hill Ventures+2 more

Silogysilogy.ioinJan 2024

SiLogy provides Viv, an AI verification engineer that autonomously debugs failing tests for chip developers by analyzing code, log files, and waveforms.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSemiconductorsNew York City, US

Kay Li(CEO)inPaul Kim(CTO)in

Co-investorsRobot Ventures

Siluriansilurian.aiin𝕏Jun 2024

Silurian develops customized foundation models for simulating the impact of weather on assets and infrastructure.

Advanced ManufacturingAI & Machine LearningClimate TechDeep TechInsurTechSeattle, US

Jayesh K. Gupta(CEO)inCristian Bodnar(Founder)inNikhil Shankar(Founder)inMark BaumMinmin Fu

Co-investorsCollaborative FundEval Ventures FundPioneerSurgePoint AngelCapitalize VCNivesha Ventures+3 more

Silverscansilver.comJan 2016Defunct

Silver manufactures a portable Raman spectroscope device that uses specialized nanoparticle technology to help consumers quickly identify contaminants in their environment or products.

ConsumerHardwareSan Francisco, US

Victor Ng(Founder)inPeter Xian(Founder)in

Simsim.aiin𝕏Apr 2025

Sim is an open-source AI workspace where teams build, deploy, and manage AI agents across their existing tool stack using 1,000+ integrations and every major LLM.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Emir Karabeg(CEO)inWaleed Latif(CTO)inVikhyath Mondreti(Founding Engineer)in

Co-investorsRitual CapitalStandard Capitalf7 VenturesFuel CapitalLiquid VenturesMetsu Capital+2 more

Simanticsimantic.devinSep 2026

Simantic develops hardware simulation software that enables engineers and AI systems to test and debug embedded firmware without physical hardware constraints.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareHardwareWaterloo, CA

Seungmin Hong(CEO)inAhnaf Shahriar(CTO)in

Co-investorsBarn Ventures

Simbie AIsimbie.aiin𝕏Jun 2023

Simbie AI builds healthcare workflow management software for clinical practices, automating scheduling and documentation to reduce administrative burden on providers and improve patient care.

AI & Machine LearningDigital HealthHealthtechSaaSNew York City, US

Natalia Khosla, MD(Founder)inRachel O’Driscoll(Founder)inNatalia PerinaCatherine Nguyen(Strategy \u0026 Operations)Sabbir Hossain(Vice President of Engineering)Leila Anderson(Client Success Lead)

Co-investorsNeotribe VenturesAglae VenturesContour Venture PartnersFoundersXSandhill (ex Stonks)Sequoia Capital+1 more

SimCaresimcare.aiin𝕏Jun 2024

SimCare provides AI-powered avatar-based simulation practice for counseling and mental health training programs.

AI & Machine LearningDigital HealthEdTechHealthtechNew York City, US

Vrishank Saini(CEO)inTiko Bdoyan(CTO)inDhruv Bajaj(Founding Engineer/Hiring Manager)Sam MacGregor(Chief of Growth)

Co-investorsHARPER COURT VENTURESTranspose Platform ManagementAsymmetry VenturesDrive CapitalGoodwater CapitalMFV Partners+3 more

Simetriksimetrik.cominJan 2018

Simetrik provides AI-powered automation software for financial operations, specifically reconciliation and transaction matching across payment processors and platforms.

AI & Machine LearningEnterprise SoftwareFintechSaaSBogotá, CO

Alejandro Casas(CEO)inSantiago Gomez(CFO/COO)inAlejandro Casas Caro(Founder)inAlejandro Casas Santiago Gomez(Founder)

Co-investorsAmador HoldingsCapria VenturesClocktower VenturesFinTech CollectiveFJ LabsMONASHEES+20 more

Simmerusesimmer.comJan 2019Defunct

Simmer is a slot game review and comparison platform that provides unbiased player reviews, real-time trending data, and detailed game comparisons based on RTP, volatility, and features.

ConsumerGamingTravel & HospitalitySan Francisco, US

Richard Wu(Founder)inVaibhav Verma(Founder)inKathy Zhou

Simmerysimmery.comJun 2005Defunct

ConsumerSocialWallingford, US

Simperiumsimperium.cominJun 2010Acquired

Simperium provides a data layer platform for developers to synchronize data across multiple devices, applications, and users.

Cloud ComputingData & InfrastructureDeveloper ToolsEnterprise SoftwareFuture of WorkSan Francisco, US

Fred Cheng(Founder)inMike Johnston

Co-investorsBoxGroupBrainchild HoldingsEniac VenturesGV (Google Ventures)SV Angel

Simple AIusesimple.aiin𝕏Jun 2024 · $14M

Simple AI builds AI agents for revenue teams that automate customer interactions across voice, text, chat, and email channels.

AI & Machine LearningEnterprise SoftwareSaaSSales TechSan Francisco, US

Catheryn Li(CEO)inZach Kamran(Founder)inZach Kamran Catheryn Li(Founder)Jona Lee(Recruiter)

Co-investorsSamsung NextSBXiThink+ Ventures Management, LlcTrue VenturesAgrolimen VenturesAndreessen Horowitz+5 more

Simple Stripssimplestrips.comJan 2020Defunct

Simple Strips makes affordable blood glucose test strips that users can photograph and read using their smartphone camera, providing an accessible alternative to traditional glucose meters.

HealthtechMedical DevicesSan Francisco, US

Sam Kanawati(Founder)inSal Pathare

SimpleCitizensimplecitizen.comin𝕏Jun 2016Acquired

SimpleCitizen provides digital immigration and visa solutions that guide applicants through the citizenship pathway using software and professional services.

ConsumerLegalTechSaaSSalt Lake City, US

Sam Stoddard(CEO)inAyde Soto(CTO)inBrady Stoddard(CMO)inAydé Soto Wright(Co-founder & CTO)in

Co-investorsCampus Founders FundKickstartKima VenturesPeterson VenturesTSVCBoomStartup+8 more

SimpleHashsimplehash.comin𝕏Jan 2022Acquired

SimpleHash provides NFT indexing and data infrastructure for blockchain applications, helping companies reduce costs and improve customer experience in the crypto ecosystem.

Crypto & Web3Data & InfrastructureDeveloper ToolsEnterprise SoftwareSaaSSan Francisco, US

Olly Wilson(Founder)inAlex Kilkka(Founder)in

Co-investorsBitDAOCoinbase VenturesFundersClubMantle NetworkBonfire UnionCaffeinated Capital+5 more

SimpleLegalsimplelegal.com𝕏Jun 2013Acquired

SimpleLegal is an enterprise legal operations management (ELM) platform that helps corporate legal departments manage spend, matters, and vendor relationships.

Enterprise SoftwareLegalTechSaaSLos Angeles, US

Patrik Outericky(CTO)inNathan Wenzel(CEO)David Lu

BoardJohn Greathouse(Director)in

Co-investorsBonfire VenturesEmergence Capital PartnersZillionizeDeciensSusa VenturesVenture Investment Associates+1 more

Simplexsimplex.shin𝕏Jun 2024

Simplex provides automated provider enrollment management for healthcare networks, handling CAQH profile setup, payer applications, and compliance tracking across multiple states and insurers.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareHealthtechSan Francisco, US

Shreya Karpoor(CEO)inMarco Nocito(CTO)in

Co-investorsFundersClubPioneerSterling RoadThe E14 FundBitmainCapitalize VC+3 more

Simplifysimplify.jobsin𝕏Jan 2021

Simplify is a job search platform that helps candidates discover relevant positions, auto-fill applications, and access transparent salary and company culture data.

AI & Machine LearningConsumerFuture of WorkHR TechMarketplacesSaaSSan Francisco, US

Michael Yan(Founder)inEthan Horoschak(Founder)inRushil Srivastava(Founder)inSimplify Jobs(Simplify WaaS Integration)Leila Le(Recruiting Coordinator)

Co-investorsHyphen CapitalSoma CapitalAntlerAptos FoundationCraft VenturesGlobal Founders Capital+5 more

Simplifyd Systemssimplifyd.comin𝕏Jan 2022

Simplifyd provides a cloud platform for deploying applications built by African teams, with no upfront infrastructure setup required.

Cloud ComputingDeveloper ToolsEnterprise SoftwareSaaSLondon, GB

Sam Keiru(Founder | COO: Product Innovation \u0026 GTM Lead)inTomi Amao(Founder)in

Co-investorsFuture AfricaPioneerAtypical VenturesVenture Investment Associates

SimplyListedsimplylisted.cominJan 2011Defunct

SimplyListed provides an iPhone application that allows users to list items for sale by photographing them, with automatic listing generation.

ConsumerMarketplacesNew York City, US

Jon Grall(Founder)inJoe TysonSean Nelson(CCO)

Simulithicsimulithic.comin𝕏Sep 2026

Simulithic runs AI agent simulations that model real user cohorts—built from a product's last 90 days of session data—to predict how experiments and product variants will perform before shipping to real users.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Ryan Ning(CEO)inSatyam Singh(CTO)in

SINAIsinai.comin𝕏Jan 2020

SINAI provides software to help companies measure, reduce, and report their carbon emissions and develop decarbonization strategies.

Advanced ManufacturingAI & Machine LearningClimate TechEnergyEnterprise SoftwareSaaSSan Francisco, US

Maria Fujihara(Founder)inAlain Rodriguez(Founder)inAbdullah Moatasem(Founder)Ahmed Kamel(Founder)Hana Malhas(Founder)Mohamed Elshamy(Founder)

Co-investorsAbstract VenturesAfore CapitalClimacticCollaborative FundDesigner FundEnergize Capital+16 more

SingleStoresinglestore.comin𝕏Jan 2011

SingleStore provides a distributed SQL database designed for real-time transactional and analytical processing in a single engine, serving SaaS builders, data leaders, and enterprises that require high-performance data applications.

AI & Machine LearningCloud ComputingData & InfrastructureEnterprise SoftwareSaaSSan Francisco, US

Eric Frenkiel(CEO)inNikita Shamgunov(CTO)inAdam Prout(Founder)inErik Frankiel(Founder (MemSQL))Raj Verma(CEO)inAadam Prout(Founder)

Co-investorsAccelCollective LiquidityDCVC (Data Collective)Dell Technologies CapitalDivide by ZeroEastlink Capital Partners+23 more

Singularitysingularityus.comin𝕏Jun 2023 · $80M

Singularity manufactures counter-weapon systems and air defense equipment designed to protect military personnel and civilians.

Advanced ManufacturingDefense TechHardwareSpace TechLos Angeles, US

Jack Oswald(Founder)inshail giroux

Co-investorsFelicis VenturesMenlo VenturesNew Enterprise Associates (NEA)Soma CapitalAE Industrial PartnersBold Capital Partners+4 more

Sinovia Technologiessinoviatech.cominJan 2017

Sinovia manufactures printed light films that emit light uniformly across custom geometries, replacing traditional LEDs, PCBs, and optical components for products where space and thinness are constraints.

Advanced ManufacturingDeep TechHardwareRoboticsSan Francisco, US

George Burkhard(CTO)inWhitney Gaynor(President \u0026 CEO)inIng-Feng Hu(Director)

Co-investorsGCW CapitalLLLPNeonPegasus Tech Ventures

sintemsintem.coinSep 2026

Sintem builds an agentic phone that uses AI agents to carry out tasks for users across their existing apps and tools based on their instructions.

AI & Machine LearningData & InfrastructureEnterprise SoftwareBY, DE

Isa Usmanov(Founder)in

Sintersinter.systemsSep 2026

Sinter operates a US-based plastics manufacturing pipeline using additive technologies, helping hardware teams move from 3D-printed prototypes to production parts on week-scale timelines.

Advanced ManufacturingRoboticsEl Segundo, US

Oliver Johnson(CEO)inJustin Kwon(COO)in

Sintropixsintropix.cominSep 2026

Sintropix offers an automated accounting platform that handles bookkeeping and financial close processes for companies operating across multiple countries.

AI & Machine LearningEnterprise SoftwareFintechSantiago, CL

Alfonso Márquez de la Plata(CEO)inBorja Marquez de la Plata(CTO)in

SiPhox Healthsiphoxhealth.comin𝕏Jan 2023

Siphox Health develops early diagnostic testing technology to detect and manage chronic diseases at home, delivered as a painless 5-minute test that enables frequent monitoring.

ConsumerDigital HealthHealthtechLongevityMedical DevicesWellness & FitnessBoston, US

Michael Dubrovsky(Founder)inDiedrik Vermeulen(Founder)inYaniv Goder(Vice President of Business)Jordan Moradian(Growth Lead)Eric Stepansky(Head of Business)Catherine Fink(Vice President)

Co-investorsDuke Capital PartnersGaingelsIntel CapitalKoru CapitalLongeVCNeer Venture Partners+15 more

Sirasira.teamJun 2025

Sira provides an AI-powered platform that automates time tracking, scheduling, payroll, and HR functions for hourly and shift-based workers.

Enterprise SoftwareHR TechSan Francisco, US

Nathan Belaye(CEO)inAntonio Chan(CTO)inNathan Belaye Antonio Chan(Founder)

Co-investorsBONVENTURE1984 Ventures Management, LlcBlast.ClubReach Capital

Sirdabsirdab.coin𝕏Jan 2023

Sirdab provides logistics and warehouse management infrastructure for companies across Saudi Arabia, offering storage, inventory management, transportation, and customs clearance through an integrated digital platform.

Enterprise SoftwareLogistics & Supply ChainSaaSRiyadh, SA

Naif Alzahri(Founder)inAbdulrahman Alnamlah(Founder)inAhmad AbdelHalim(Senior Software Engineer)Nayif Alhomoud(Product Manager)Fahad Alsuwailem(Business Development)Raida Aldosari(Business Development \u0026 Marketing)

Co-investorsBECO CapitalCOTU VenturesD Global VenturesFriends Family Capital

Sirkasirka.ioinJun 2021

SIRKA is Indonesia's first metabolic clinic offering personalized weight management and health treatment through online consultations and in-clinic visits, with medications delivered directly to patients' homes.

Digital HealthHealthtechWellness & FitnessJakarta, ID

Ditto R(Founder)inDito Krista(Founder)inRifanditto Adhikara(Founder)

Co-investorsAC VenturesCapria VenturesWavemaker PartnersGoodwater CapitalPeak XV PartnersSequoia Capital+1 more

SIRUMsirum.orgin𝕏Jan 2015

SIRUM works to save lives, with a focus on health equity in underserved communities.

Digital HealthHealthtechImpact & Social GoodSan Francisco, US

Kiah J. Williams(Founder)inAdam Kircher(Founder)inGeorge Wang(Director)inVictoria Leon(Head of Operations)Claire Howlett(Lead, Strategic Initiatives)Blake Wallace(Recruiter)

Sitefiresitefire.aiin𝕏Jan 2026

Sitefire provides a marketing platform that helps brands increase their product visibility to AI agents and LLMs by generating and optimizing content discovered by these systems.

AI & Machine LearningEnterprise SoftwareMarketing TechSan Francisco, US

Jochen Madler(CEO)inVincent Jeltsch(CTO)inAlex Farr(Recruiter)

Co-investorsRebel Fund

Sitennasitenna.comin𝕏Jun 2021 · $3M

Sitenna provides infrastructure asset management software that centralizes asset data and integrates communications, contracts, and workflows across the asset lifecycle for infrastructure managers and asset management teams.

Data & InfrastructureEnterprise SoftwareMarketplacesSaaSAtlanta, US

Daniel Campion(Founder)inBrian Sexton(Founder)in

Co-investorsGaingelsMerus CapitalRebel FundSamsung NextFAST — by GETTYLABMoonshot (ueno bank + itti + Mentu)+1 more

Sixasixa.ioJun 2016Defunct

Sixa provides a cloud-based computer accessed through a client application, allowing users to run software on remote infrastructure rather than local hardware.

Developer ToolsEnterprise SoftwareSan Francisco, US

Mykola Minchenko(CEO)Evgeniy

Co-investorsAVentures CapitalGagarin Capital PartnersRanch VenturesRising TideTaver CapitalAgrolimen Ventures+10 more

Sixfold Biosciencesixfold.bioin𝕏Jan 2018

Sixfold develops RNA delivery technology for the biotech industry.

AI & Machine LearningBiotechDeep TechHealthtechMedical DevicesLondon, GB

George Foot(Co-CEO + Founder)inAnna Perdrix Rosell(Co-CEO + Founder)inTina Flatau(Director, Promoter)Zuzanna Brzosko

Co-investorsJude GomilaPi CampusCantos VenturesFundamental VenturesLombardstreet VenturesThe Venture Collective

Sixtyusesixty.comJun 2017Defunct

Sixty operates a marketplace connecting users with technical experts for short-duration screenshare sessions to assist with web design, development, and software implementation tasks, billed per minute.

Developer ToolsEnterprise SoftwareSan Francisco, US

David Head(CEO)Alex Tapper(COO)Andrew King(CTO)

Co-investorsBain Capital VenturesCiti VenturesGTM CapitalIlluminate FinancialLightspeed Venture PartnersMarathon Management Partners

Sixtyfoursixtyfour.aiin𝕏Apr 2025

SixtyFour provides AI agents that conduct deep research on people and companies by autonomously gathering and cross-referencing data from multiple sources including official records and the web.

AI & Machine LearningData & InfrastructureEnterprise SoftwareSan Francisco, US

Saarth Shah(CEO)inChristopher Price(COO)inHashim Khawaja(Founding Engineer)Trevor Tuttle(MTS)inHenry Wang(Founding Engineer)Vagmin Viswanathan(AI Engineering)

Co-investorsFoundation Capital468 CapitalAirAngelsHomebrewLightspeed Venture PartnersOlive Tree Capital+3 more

sizelesssizeless.coinJun 2023

Sizeless provides an AI-powered mobile workflow for capturing construction trenches and utility connections with 3D precision.

AI & Machine LearningConstruction TechDeveloper ToolsPropTechSan Francisco, US

Roger de Belsunce(Founder)inCornelius von Einem(Founder)in

Co-investorsGaingelsKaufmann Goetz Trading & Investment GmbH

Sketchboxsketchbox3d.cominJan 2018Defunct

Sketchbox provides a platform for building and deploying VR training simulations, serving large enterprises with built-in analytics and visual editors that require no coding.

ConsumerSan Francisco, US

Joe Connolly(Product)inPeter Le Bek(Engineer)in

Co-investorsPoint Reyes ManagementAgrolimen VenturesBoost VCCypher CapitalGeneral CatalystMAGIC Fund+2 more

SketchDecksketchdeck.comin𝕏Jan 2014Acquired

SketchDeck provides embedded teams of creative, marketing, and digital talent that integrate into client organizations to handle marketing operations and creative work.

Enterprise SoftwareFuture of WorkMarketing TechSaaSSan Francisco, US

Chris Finneral(CEO)inDavid Mack(CTO)inChristopher Finneral(Founder)Todd Goldberg(Marketing and demand generation (contract))inJoe Teibel

Co-investorsBlue CollectiveAvlok CapitalBDC Capital CorporationBKR CapitalBlue Venture FundsBoreal Ventures+6 more

Skill-lyncskill-lync.comin𝕏Jan 2019

Skill-Lync is an engineering education platform that offers post-graduate programs and training to help students gain skills and secure placement in automotive and embedded systems industries.

EdTechChennai, IN

Surya Paneerselvam(Director Of Sales, Marketing \u0026 Operations)inSarang(Founder)inShankar Meena(Founder)in

Co-investorsAlumni VenturesBetter CapitalFlucas VenturesIron PillarVentureSouqXeed Ventures+2 more

Skillsyncskillsync.cominJan 2026

A platform that centralizes agent sessions across different AI agents, enabling users to share sessions via URL and extract successful workflows into reusable skills.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSan Francisco, US

Narayana Aaditya Ganeshkumar(CEO)inNishant Joshi(CTO)in

Co-investorsBlast.ClubC Square Capital

Skillzaskillza.coinJan 2022Defunct

Skillza provides assessment creation and management software for teachers and schools in the Middle East and Africa, enabling them to design, distribute, and grade student evaluations while saving classroom time.

EdTechDubai, AE

Anand Bhashyam(Founder)in

Co-investorsDragon CapitalGoodwater Capital

Skioskio.comin𝕏Jun 2020 · $8MAcquired

Skio builds a subscription management platform for direct-to-consumer brands, offering tools for customer acquisition, retention, and reactivation.

Direct to ConsumerE-commerceEnterprise SoftwareFintechMarketing TechSaaSNew York City, US

Kennan Frost(Founder)inKennan Jenner(Founder)inJeane Carlos(Software Engineer)Kennan DavisonAndrew Chen(CTO)

Skiprideskip.com𝕏Jan 2018Defunct

Skip operates a fleet of shared electric scooters for last-mile urban transportation, partnering with cities and providing riders with safety training and customer support.

ConsumerMobility & TransportationSan Francisco, US

Matt Tran(Founder)inSanjay DastoorMike WadheraShalin Mantri(Head of Product)Khalena Muslem(Recruiting)

Co-investorsFundersClubStartXA.Capital VenturesAccelAtland VenturesChevron Technology Ventures+9 more

SkydropXskydropx.comin𝕏Jun 2018

SkydropX provides shipping automation software for e-commerce and retail businesses in Mexico, handling label generation, tracking, delivery time estimation, and return management across the fulfillment process.

Enterprise SoftwareLogistics & Supply ChainMarketplacesSaaSMonterrey, MX

Tavo Zambrano(CEO)inArmando Solbes(Founder)inOscar Victorin(Founder)inArmando Solbes Argüello(Founder)inLuis Garza Sada(Executive Officer, Director)Arnoldo Collin(Executive Officer, Director)

Co-investorsFJ LabsSierra VenturesSoma Capital645 VenturesBase10 PartnersCometa+3 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

SideGuide TechnologiesSigma

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.