/Investor DB

Mayfield Fund — 2025 Investments

17 investments dated 2025 · listed companies and verified rows first · show all

AttoTudeattotude.cominSeries B · Apr 2025 · $50M

AttoTude develops optical interconnect technology for data centers to support artificial intelligence and exascale computing applications.

AI & Machine LearningData & InfrastructureDeep TechHardwareMenlo Park, US

Joy Laskar(AttoTude Founder and CTO)inDave Welch(AttoTude Founder and CEO)in

BoardPeter Wagner(Director)inBasil Alwan(Director)

Co-investorsCanaan PartnersThe Westly GroupSutter Hill VenturesNosTerra Venture CapitalOpen Field CapitalWing+1 more

Aurascapeaurascape.aiin𝕏Apr 2025

Aurascape builds a security platform that applies AI to solve security challenges.

AI & Machine LearningCybersecurityEnterprise Software

Moinul Khan(Founder)inPatrick Xu(Founder)inViswesh Ananthakrishnan(Founder)inRajiv Khemani(Founder)

Co-investorsCelesta CapitalMVP VenturesMaverick VenturesMenlo Ventures

Exaforceexaforce.comin𝕏Series A · Apr 2025 · $75M

Exaforce provides an AI-powered threat hunting and investigation platform that enables security analysts to search across multiple data sources using natural language queries.

AI & Machine LearningCybersecurityEnterprise SoftwareSan Jose, US

Ariful Huq(Co-Founder and Head of Product)inMarco Rodrigues(Co-founder and Head of Customer Engineering & Operations)inJakub Pavlik(Founder)inDevesh Mittal(Co-Founder and Head of Engineering)inAnkur Singla(Founder)Ankur Singla Jakub Pavlik(Founder)

Co-investorsPeak XV PartnersTouring CapitalKhosla Ventures

Gistgist.aiin𝕏Sep 2025 · $40M

Gist provides brand visibility and advertising solutions for the generative AI marketplace, offering custom AI search, engagement tools, and data-powered insights to help brands and marketers maintain visibility and performance in AI-driven digital environments.

AdTechAI & Machine LearningMarketing TechPasadena, US

Bill Gross(CEO of ProRata & Gist)

Co-investorsFelicis VenturesBettor CapitalBold Capital PartnersCalibrate VenturesJDS SportsMVP Ventures+2 more

Highbeamhighbeam.comin𝕏Aug 2025

Highbeam is a financial technology company (not a bank) offering banking services, credit, spend management, and AI agents that automate finance tasks like treasury, reporting, and scenario analysis.

AI & Machine LearningDirect to ConsumerE-commerceFintechSaaSNew York, US

Samir Shergill(Founder)inGautam Gupta(Founder)in

BoardJohn Gardner(Director)inAmish Jani(Director)inRishi Garg(Director)

Co-investorsAcrew CapitalFirstMark CapitalGaingelsMana VenturesVesey VenturesTwo Sigma Ventures

House Whisperhousewhisper.aiinSeed · Feb 2025 · $7M

HouseWhisper provides an AI platform that assists real estate agents with lead management and client follow-up through conversational AI, allowing agents to extend personalized communication at scale without changing their existing workflows.

AI & Machine LearningPropTechSaaSSeattle, US

Luis Poggi(Founder)inAlex Kutner(Founder)inSpencer Rascoff(Founder)in

Co-investorsIntegra GroupePioneer Square Labs

Identityidentity.digitalin𝕏Nov 2025 · $20M

Identity Digital is a domain registry and registrar services company that manages top-level domains (TLDs) and operates Name.com, a registrar offering domain registration, email management, and website hosting.

Cloud ComputingEnterprise SoftwareSaaS

Paul Stahura(Founder)inDaniel Schindler(Founder)Jonathon Nevett(Founder)Richard Tindal(Founder)

Co-investorsBCIAccelAmigos Venture CapitalCrosspoint Capital PartnersCRV (Charles River Ventures)Cyberstarts+8 more

Mirviemirvie.cominJul 2025

Mirvie develops an RNA-based platform for early detection of pregnancy complications, enabling proactive intervention before complications become critical.

BiotechFemTechHealthtechSouth San Francisco, US

Maneesh Jain(Founder)inStephen Quake(Founder)

BoardLisa Iverson(Director)Ursheet Parikh(Director)inMin Cui(Director)inSamir Kaul(Director)in

Co-investorsCorrelation VenturesDecheng CapitalGaingelsGeneral CatalystGV (Google Ventures)Portfolia+3 more

Numeralnumeral.comin𝕏Sep 2025

Numeral provides a platform for sales tax and VAT compliance, helping e-commerce brands and SaaS companies register for and manage tax obligations across multiple jurisdictions.

E-commerceEnterprise SoftwareFintechSaaSSan Francisco, US

Matt DuVall(CTO)inSam Ross(Founder)inCamille Tyan(Founder)Edouard Mandon(Founder)Hichem Mâalmi(Founder)Jake Moffatt

Co-investorsFundersClubMantis CapitalSalesforce VenturesUncork CapitalW venturesW Ventures+12 more

Obotobot.aiin𝕏Seed · Sep 2025 · $35M

Obot builds an open-source MCP gateway that lets enterprises host, proxy, secure, and monitor MCP servers, providing a centralized control plane for connecting, managing, and scaling AI agents and tools across their systems.

AI & Machine LearningCybersecurityDeveloper ToolsEnterprise Software

Shannon Williams(Founder)inCraig Jellick(Founder)inSheng Liang(Founder)inDarren Shepherd(Founder)inWill Chan(Founder)inTim Nicklas(Founder)

Co-investorsNexus Venture Partners

Orbwithorb.comin𝕏Feb 2025 · $25MAcquired

Orb provides billing and revenue infrastructure for software companies, enabling usage-based and hybrid pricing models.

Data & InfrastructureDeveloper ToolsEnterprise SoftwareFintechSaaSSan Francisco, US

Alvaro Morales(Founder)inKshitij Grover(Founder)inJosh Buckler(Head of Sales)inBas de Goei(Head of Marketing)inJustin Chuan(Head of Design)in

BoardSaam Motamedi(Board Member / Investor Representative (Partner, Greylock))in

Co-investorsAngel Collective Opportunity FundData Community FundESSENCE VCFOG VenturesGreylock PartnersMenlo Ventures+9 more

Sawmillssawmills.aiFeb 2025

Sawmills offers an agentic telemetry platform that continuously analyzes, optimizes, and manages logs and metrics in real time, cutting observability costs and improving data quality before data reaches backends like Datadog, Splunk, or New Relic.

AI & Machine LearningData & InfrastructureDeveloper ToolsSan Francisco, US

Amir Jakoby(Founder)in

Co-investorsAlumni VenturesTeam8

Scrunchscrunch.comin𝕏Seed · Mar 2025 · $4MAcquired

Scrunch is an enterprise platform that helps businesses monitor and optimize their presence in AI search results and conversational AI systems.

AdTechAI & Machine LearningEnterprise SoftwareMarketing TechSaaS

Chris Andrew(Founder)Robert MacCloy(Founder)

Co-investorsGTM CapitalHomebrewDecibel PartnersMatrix

Sekaisekaiapp.cominJan 2025

Sekai is an AI-powered platform where users create, remix, and share interactive mini-apps instantly without coding, ranging from utilities to games.

AI & Machine LearningConsumerCreator EconomySocial

Kaiser Kim(Founder)inLucky Z.(Founder)inAzhar Deen(Founder)in

Co-investors359 CapitalA*A16Z SpeedrunConnect VenturesMakers FundMVP Ventures+5 more

Uareuare.aiNov 2025

UARE builds personal AI assistants trained on individual user data—documents, videos, notes, images, social media—to capture how a person speaks, thinks, and works across seven life dimensions.

AI & Machine LearningConsumerCreator Economy

Rob LoCascioinAndrew LuminSonia Lawrence-EmanuelSam Hortonin

Co-investorsboldstart ventures

Upscale AIupscale.cominSep 2025

Upscale AI builds networking infrastructure purpose-built for AI workloads, including scale-up rack networking (SkyHammer) and open Ethernet fabrics based on NVIDIA Spectrum-X silicon and a SONiC-based network OS.

AI & Machine LearningCloud ComputingData & InfrastructureDeep TechHardwareSemiconductorsSanta Clara, US

Rajiv K.(Founder)inBarun Kar(CEO)inRajiv Khemani(Executive Chairman)Aravind Srikumar(Founder)in

Co-investorsBreakpoint CapitalCelesta CapitalCloudbreak Ventures Kft.Cota CapitalIntel CapitalMVP Ventures+12 more

Zuccazucca.aiinJul 2025

Zucca is a product development platform for consumer packaged goods (CPG) innovation and R&D teams that connects formulas to live supplier specs, real-time costs, and regulatory constraints.

AI & Machine LearningFoodTechSaaS

Co-investorsAcre Venture PartnersPioneer Square LabsPSL Ventures

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.