/Investor DB

FirstMark Capital — Full Portfolio

250 tracked investments · page 2 of 2 · listed companies and verified rows first

Roro.coJan 2018

Ro is an online healthcare platform that connects patients with licensed providers and delivers prescription treatments, including GLP-1 medications for weight loss, ED treatments, and other health goals.

Digital HealthDirect to ConsumerHealthtechSilicon Valley, US

Zachariah Reitano(Founder)inRob Schutz(Founder)inSaman Rahmanian(Founder)in

Co-investorsAmbush CapitalAnsa CapitalBlack Jays Venturesblue 9 capitalBoxGroupBY Venture Partners+32 more

Roliroli.com

ROLI designs color-based music instruments and tools that change how people interact with sound, aiming to make music-making more accessible to music lovers and creators.

AI & Machine LearningConsumerCreator EconomyEdTechHardware

Roland Lamb(Founder)in

Co-investorsBalderton CapitalEdge VCHoxton VenturesIndex VenturesFounders FundFoundry

Roonroon.careNov 2024

Digital home platform for doctors.

Co-investorsForerunner VenturesNew York Venture PartnersSequoia CapitalTMV

Roonroon.com

New York City, US

Arun Ranganathan(Founder)Vikram Bhaskaran(Founder)Rohan Ramakrishna, MD(Founder)inRohan Ramakrishna(Founder)

Co-investorsM13TMVAndreessen HorowitzForerunner Ventures

Sastrifysastrify.comin𝕏May 2023 · $32M

Sastrify provides an AI-powered platform that helps IT, Finance, and Procurement teams discover all software applications in use, automate license management, and control software spend.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaS

Maximilian Messing(Founder)inSven Lackinger(Founder)

Co-investorsBOOOMDiscovery Ventures III Gmb H & Co. KGEndeit CapitalQuint VenturesSimon CapitalAlchemist Accelerator+4 more

SecondMarketsecondmarket.com

Barry Silbert(Founder)

Sketchfabsketchfab.comin𝕏

Sketchfab is a platform for sharing and showcasing 3D models and artwork.

ConsumerCreator EconomyMedia & EntertainmentNew York City, US

Cédric Pinson(Founder)inAlban Denoyel(Founder)inPierre-Antoine Passet(Founder)in

BoardMatt Turck(Director)inJames Wise(Director)in

Co-investorsBalderton CapitalKarma VenturesKima VenturesPartech VenturesTechstars10x Founders

Skylarskylar.comMar 2019acquired by Starco Brands · Dec 2022

Skylar is a fragrance company that creates personal scents, including Pomegranate Princess, a fruity floral fragrance combining pomegranate and strawberry with whipped cream and shortcake notes.

ConsumerDirect to ConsumerE-commerceWellness & FitnessCalifornia, US

Leah Kateb(Chief Creative Officer)Cat Chen(Founder)

Co-investorsAmplify.LAGingerbread CapitalSerena VenturesUpfront Ventures

Softrsoftr.ioin𝕏Jan 2022 · $13.5M

Softr is a no-code platform whose AI Co-Builder lets businesses build custom team intranets and internal apps from a prompt, including database, permissions, workflows, and branding.

Developer ToolsEnterprise SoftwareFuture of WorkSaaS

Mariam Hakobyan(Founder)inArtur Mkrtchyan(Founder)in

Co-investorsAtlanticAtlantic LabsCoalition OperatorsDiscovery Ventures III Gmb H & Co. KGGelt VCItalian Angels for Growth+4 more

Sonarsonar.appin𝕏acquired by Aave

ConsumerCrypto & Web3GamingSocialSan Francisco, US

Benjamin South Lee(Co-founder, CEO (Acq. by Avara Labs))inLeo Cho(Founder)inRandolph Lee(Founder)inDrew Barvir(Founder)Freddy Mallet(Founder)Olivier Gaudin(Founder)

Co-investorsY CombinatorGSR VenturesImpact America FundIndex VenturesJ4 VenturesNina Capital

Sorcerersorcerer.earthin𝕏Jul 2026

Sorcerer provides targeted weather observation systems and AI forecasting tools that collect atmospheric data from undermonitored regions, including over oceans and below the equator.

Advanced ManufacturingAI & Machine LearningClimate TechHardwareSan Francisco, US

Austin Tindle(CEO)inMaxmillion McLaughlin(CTO)inAlessandro Vecchi(CPO)in

Co-investorsCollaborative FundFundersClubPioneerTranspose Platform ManagementY CombinatorCraft Ventures+4 more

Sproutlingsproutling.comSep 2013 · $2.6M

Manufacturer and seller of FSC-certified wooden toys with non-toxic paint designed for early childhood sensory and learning development.

ConsumerSan Francisco, US

MATHEW SPOLIN(Executive Officer, Promoter)CHRIS BRUCE(Executive Officer, Director, Promoter)

BoardROB HAYES(Director)in

Co-investorsFundersClubAccelerator VenturesBoxGroupFirst Round CapitalForerunner VenturesLemnos VC

State Spacestatespace.gg𝕏Nov 2020 · $29M

Aimlabs is an AI-powered aim training platform for first-person shooter (FPS) gamers that offers personalized training tasks, real-time analytics, and game-specific tools.

AI & Machine LearningGamingNew York, US

Wayne Mackey(Founder)in

BoardRoberto Sanabria(Director)inSamir Kaul(Director)in

Co-investorsAmplify.LABessemer Venture PartnersExpaGaingelsLux CapitalKhosla Ventures

StraighterLinestraighterline.comin𝕏

StraighterLine offers online, self-paced college courses that let students earn affordable, transferable credit toward degrees at over 3,000 colleges and universities, with courses reviewed by ACE CREDIT.

EdTechFuture of WorkBaltimore, US

Turner B Smith, Jr.(Executive Officer, Director)David Parento(Executive Officer, Director)inMatt Hulett(Chief Executive Officer)inPhilip Dunne(President & General Manager, StraighterLine)inLynn Pitcavage(President & General Manager, Early Childhood Education)inDave Gardner(Chief Technology Officer)in

Co-investorsChrysalis VenturesCity LightNew Markets Venture PartnersRethink Capital Partners

Stripestripe.comin𝕏Apr 2024 · $22M

Stripe builds payment and financial infrastructure software that lets businesses accept payments and run their operations online.

Developer ToolsEnterprise SoftwareFintechSaaSSan Francisco, US

John Collison(President)inPatrick Collison(CEO)inWilliam Gaybrick(Executive Officer)inGreg Brockman(Founding Engineer, then first CTO)inSarah HeckinRyan Seekely(Engineering Manager)

Co-investors1435 Capital500 GlobalAdvaita CapitalAdventure FundAglae VenturesAliya Capital Partners+103 more

SurrealDBsurrealdb.comin𝕏Seed · Dec 2022 · $6M

SurrealDB is a multi-model database that combines graph, vector search, document, time-series, and geospatial capabilities in a single engine, used for AI applications, knowledge graphs, and real-time analytics.

AI & Machine LearningData & InfrastructureDeveloper ToolsLondon

Tobie Morgan Hitchcock(Founder)inJaime Morgan Hitchcock(Founder)in

Co-investorsAlumni VenturesBegin CapitalCrew CapitalGeorgian

Symphony Commercesymphonycommerce.comin𝕏Aug 2014 · $21.5Macquired by IgniteTech

IgniteTech is a global, AI-first enterprise software company that acquires, revitalizes, and supports a portfolio of mission-critical software for organizations worldwide.

AI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US

Harish Abbott(Director)Justin Jow(Executive Officer)Ken Fine(Executive Officer, Director)Eric Vaughan(CEO)inMarc Chapman(Executive Officer)Henry Kim(Executive Officer, Director)

Co-investorsRunway Venture PartnersBain CapitalBain Capital VenturesCRV (Charles River Ventures)Mercia Ventures

Tapadtapad.cominMay 2015

Tapad operates a global cross-device digital identity graph that links a consumer or household across multiple devices.

AdTechData & InfrastructureMarketing TechNew York, US

Are Traasdahl(Founder)inDave Fall(Executive Officer)inReuben Regensberger(Executive Officer)Jeff Driskill(Executive Officer)inDag Liodden(Founder)

BoardRichard Heitzmann(Director)in

Co-investorsFirsthand Technology Value FundLerer HippeauRunway Venture PartnersSwell PartnersMetamorphic Ventures

TensorZerotensorzero.comSeed · Aug 2025 · $7M

TensorZero is an open-source project that was available on GitHub; it is no longer maintained.

AI & Machine LearningDeveloper Tools

Gabriel Bianconi(Founder)Gabriel Bianconi Viraj Mehta(Founder)Viraj Mehta(Founder)in

Co-investorsBessemer Venture PartnersCoalition OperatorsBedrock

TextIQrelativity.cominMay 2015Acquired

Relativity provides software for legal intelligence and e-discovery, helping legal teams within organizations manage legal data and workflows.

AI & Machine LearningData & InfrastructureEnterprise SoftwareLegalTechSaaSSan Francisco, US

Andrew Sieja(Founder)inApoorv Agarwal(Founder)inOmar Haroun(Founder)in

BoardOwen Rambow(Director)

Co-investorsCerity Partners VenturesCorazon CapitalEvolution VC PartnersFloodgateICONIQIntel Capital+2 more

Theumatheuma.cominNov 2023 · $14M

Theuma manufactures interior door sets and door systems for residential and commercial construction, including lightweight sliding walls and steel frames.

Advanced ManufacturingConstruction TechNew Materials

Co-investorsM80 PartnersBowery CapitalCERVIN VENTURES

Thumathuma.co

Thuma designs and sells premium home furnishings and bedroom essentials made from natural materials, offered directly to consumers.

ConsumerDirect to ConsumerE-commerce

Timbertimber.io𝕏

Timber develops Vector, an open-source tool for collecting, transforming, and routing logs and metrics across sources, transforms, and sinks such as Datadog, Kafka, Elasticsearch, Splunk, and AWS S3.

Cloud ComputingData & InfrastructureDeveloper Tools

Co-investorsBreakpoint CapitalCurious CapitalNat TurnerWonder VenturesFuel CapitalNotation Capital

Tommy Johntommyjohn.comin𝕏

Tommy John is a direct-to-consumer apparel brand selling underwear and basics such as boxer briefs, with product lines including Second Skin and Cool Cotton.

ConsumerDirect to ConsumerE-commerce

Tom Patterson(Founder)in

Co-investorsLnkNew York Venture Partners

Tracebittracebit.comin𝕏

Tracebit builds a cloud intrusion detection product that deploys canaries to detect and contain security incidents, aiming to shorten incident response times.

Cloud ComputingCybersecuritySaaS

Sam Cox(Founder)inAndy Smith(Founder)in

Co-investorsAccelCrane Venture PartnersMMC VenturesTapestry VC

Tubular Video analytics platformtubularlabs.comin𝕏Dec 2012Acquired

Tubular provides a video analytics and audience insights platform that helps content strategists identify trending topics, benchmark performance across social platforms, and find gaps in content demand.

Creator EconomyData & InfrastructureMarketing TechMedia & EntertainmentMountain View, US

Rob Gabel(Founder)inAllison Stern(Founder)

BoardMatt Coffin(Director)Rick Heitzmann(Director)inAllen DeBevoise(Director)Warren Lee(Director)in

Co-investorsBling CapitalCanaan PartnersLerer HippeauMarkerAME Cloud VenturesAmplify.LA+16 more

Unlimitedunlimitedfunds.comMay 2023 · $8M

Unlimited Funds uses machine learning to replicate the return profiles of alternative investment strategies such as hedge funds using liquid public market securities, aiming to give individual investors lower-cost, more transparent, and more liquid access to alternatives.

AI & Machine LearningFintechNew York City, US

Matt Salzberg(Founder)inBob Elliott(Co-Founder, CEO & Chief Investment Officer)Bruce McNevin(Co-Founder, Chief Data Scientist)

Co-investorsFJ LabsCiti VenturesMaterial

Unlimited ETFsunlimitedetfs.com

Unlimited ETFs offers exchange-traded funds that use machine learning and quantitative models to provide the returns of sophisticated hedge fund–style strategies at lower cost, with greater transparency, liquidity, and tax efficiency than traditional limited partnership funds.

AI & Machine LearningFintech

Bob Elliott(Co-Founder, CEO & Chief Investment Officer)inBruce McNevin(Co-Founder, Chief Data Scientist)

Co-investorsFloating PointCiti VenturesMaterial

Upgradeupgrade.comin𝕏

Upgrade provides personal loans, credit cards, and mobile banking products to consumers, with a focus on affordable credit and responsible financial options.

ConsumerFintech

Jeff Bogan(Founder)Renaud Laplanche(Founder)

Co-investorsAmeeteeBell VenturesCoatue ManagementDisruptive VenturesInvariantes FundKoch Disruptive Technologies+11 more

Vacasavacasa.comin𝕏

Vacasa is a full-service vacation rental management company that provides property care, booking distribution, and revenue management for owners of more than 40,000 vacation homes across North America.

MarketplacesPropTechTravel & Hospitality

Eric Breon(Founder)inCliff Johnson(Founder)

Co-investorsAssurant VenturesAurum Venture PartnersGrand VenturesLevel EquityPartners for GrowthRiverwood Capital+3 more

Valencevalence.trade𝕏

Valence provides a trading terminal that unifies execution across prediction markets including Kalshi and Polymarket, routing orders intelligently across multiple venues to achieve optimal pricing.

FintechMarketplacesSan Francisco, US

Neo Wang(Founder)inDaniel Kasabov-Nouvion(Founder)inArthur Zhou(Founder)inParker Mitchell(Founder)

Co-investorsAmplitude Venture CapitalY CombinatorAlpha PartnersANIMO VenturesBessemer Venture PartnersDifferential Ventures+2 more

Velocityvelocity.techin𝕏Jul 2026 · $38M

BigPanda provides an AI-powered platform for IT operations that automates incident management, change management, and service desk workflows for enterprise IT teams.

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaS

Co-investorsDragonflyGaingelsGreycroftHetz VenturesICON - Israel Collaboration Network

Velocityvelocity.ioin𝕏Jul 2026 · $38M

Velocity builds monetization and distribution infrastructure for AI-native applications, drawing on experience developing advertising, machine learning, and growth platforms at large scale.

AdTechAI & Machine LearningMarketing Tech

Co-investorsNFXQED InvestorsRed Dot Capital PartnersTRANSCENDCapital One VenturesCoinbase Ventures+2 more

Velocityvelocity.xyzin𝕏Jul 2026 · $38M

Velocity is an enterprise platform that provides payments and treasury solutions powered by stablecoins, designed for CFOs and global businesses.

Crypto & Web3Enterprise SoftwareFintech

Eric Queathem(Founder)Tom Greenwood(Founder)

Co-investorsActivant CapitalDigital Space VenturesEthereal Ventures Management Ltd.Fuel VenturesImagine VenturesNextBlock+11 more

Velocityvelocity.inin𝕏Jul 2026 · $38M

Velocity provides financing, shipping, AI, and analytics products for eCommerce brands in India.

E-commerceFintechLogistics & Supply ChainSaaSGurugram, IN

Abhiroop Medhekar(Founder)inSaurav Swaroop(CTO)inAtul Khichariyain

Co-investorsFJ LabsDST GlobaliSeedPresight CapitalValar Ventures LlcCapital One Ventures+4 more

Velocityvelocity-group.de

European online retailer specializing in performance and replacement parts for classic and modern American muscle cars, including Ford Mustang, Chevrolet Corvette, and Dodge Ram models.

E-commerceRetail TechGermany, DE

Co-investorsSIB Innovations- und BeteiligungsgesellschaftCapital One VenturesCoinbase VenturesDragonflyQED InvestorsRipple

Vercelvercel.comin𝕏Oct 2021

Vercel is an infrastructure platform for building and deploying applications, with emerging support for agentic capabilities that allow AI agents and humans to collaborate in software development.

AI & Machine LearningCloud ComputingDeveloper ToolsSan Francisco, US

Guillermo Rauch(CEO and Founder, Vercel)inNaoyuki Kanezawa(Founder)Tony Kovanen(Founder)

BoardGeoff Lewis(Director)inDaniel Levine(Director)inReid Christian(Director)in

Co-investors8VCAccelBedrockBeyond CapitalCoatue ManagementCold Start Ventures+35 more

VillageSQLvillagesql.comSeed · Feb 2026

VillageSQL is an open-source MySQL-compatible database platform designed for the agentic AI era.

AI & Machine LearningData & InfrastructureDeveloper Tools

Co-investorsHomebrewGV (Google Ventures)Spark Capital

Workit Healthworkithealth.comin𝕏Oct 2021

Workit Health is a 100% online addiction treatment program that prescribes FDA-approved medications like Suboxone and naltrexone for opioid, alcohol, and kratom use disorders via licensed clinicians through video consultations.

Digital HealthHealthtechAnn Arbor, US

Lisa McLaughlin(Executive Officer, Director)inRobin McIntosh(Executive Officer, Director)in

BoardTodd Kimmel(Director)in

Co-investorsCVS Health VenturesGingerbread CapitalID VenturesLux CapitalRRE VenturesWakestream Ventures+5 more

Workstepworkstep.comin𝕏acquired by Learning Pool · Apr 2026

WorkStep, a Learning Pool company, is a software platform for employee engagement and retention of frontline workers, using automated surveys, predictive analytics, and coaching tools to help HR and operations leaders reduce turnover and improve productivity.

AI & Machine LearningFuture of WorkHR TechSaaS

Dan Johnston(Founder)inJustin(Co-founder & CTO)in

Co-investorsLevel EquityNewRoad Capital Partners, LLCStout Street CapitalTech Square Ventures

Other

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

SpartaSuliaTubularWelcome HRWelcome Software

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.