/Investor DB

Terrain — Full Portfolio

15 tracked investments · listed companies and verified rows first

AIUCaiuc.com✓ verified

An AI agent standards and insurance company providing underwriting and risk assessment for AI development.

AI & Machine LearningCybersecurityEnterprise SoftwareInsurTechSan Francisco, US

Rune Kvist(Founder)inRajiv Dattani(Founder)inBrandon Wang(Founder)

PartnerEric Stromberg· solo GP

Co-investorsMythos Ventures Management, LlcScribble VenturesSeven Stars VenturesEmergence Capital Partners

Checkcheckhq.comMar 2022SEC filingmedium confidence

Check provides payroll infrastructure via an API and Partner Console that other companies embed to run payroll operations.

Developer ToolsEnterprise SoftwareFintechSaaSNew York City, US

Andrew Brown(Founder & CEO)inEric Stromberg(Founder)Vivek Patel(Founder)inKaran Kajaria(Founder)

Board seatEric Stromberg· per SEC Form D · $75M raise · filed Mar 2022

Co-investorsASDF VenturesContraryEmergence Capital PartnersIndex VenturesMischiefPascal Capital+4 more

Artificial Intelligence Underwriting Companyaiunderwriting.com

AI Underwriting Consortium certifies and insures AI agents against failure, helping enterprises confidently adopt AI systems through standardized security audits and insurance coverage.

AI & Machine LearningEnterprise SoftwareInsurTechSan Francisco, US

PartnerEric Stromberg· solo GP

Co-investorsEmergence Capital PartnersJuniper Ventures Management, LlcNFDG

Base Powerbasepowercompany.comin𝕏

Base Power provides residential battery systems and retail electric provider services to customers in Texas.

CleantechEnergyHardwareTexas, US

Zach Dell(CEO)inJustin Lopas(Co-founder)inZach Dell Justin Lopas(Founder)

PartnerEric Stromberg· solo GP

Co-investors137 VenturesAlign VenturesAndreessen HorowitzAvenir Growth CapitalAxevil CapitalBond Capital Management+35 more

Bridgebridge.xyzin𝕏

Bridge is a stablecoin payments platform that gives businesses infrastructure to receive, store, convert, issue, and spend stablecoins through a single API.

Crypto & Web3Data & InfrastructureFintech

Zach Abrams(Founder)inSean Yu(Founder)

PartnerEric Stromberg· solo GP

Co-investors1confirmationArtisanal VenturesChemistryCoinbase VenturesDepartment of XYZFirebolt Ventures Management Company, Llc+12 more

Claspclasp.comin𝕏

Clasp connects employers with healthcare students before graduation and ties student loan repayment to employment, addressing both clinical workforce shortages and student debt.

EdTechFintechHealthtechHR TechBoston, US

Tess Michaels(Founder)in

Co-investorsCrosslink CapitalGSV VenturesJuvo VenturesBase10 PartnersBlumberg CapitalDigitalis Ventures+1 more

Claspclasp.aiin

Clasp provides API-based infrastructure and automation for employee health benefits administration, handling quoting, group setup, open enrollment, carrier feeds, and ACA/COBRA compliance.

FintechInsurTechSaaS

PartnerEric Stromberg· solo GP

Co-investorsConversion CapitalCrosslink CapitalDigitalis Ventures

CloudXcloudx.ioin𝕏

CloudX is a programmatic advertising stack (SSP) for mobile publishers, offering a "monetization as code" approach with AI agents that automate SDK integration, testing, and auction configuration.

AdTechAI & Machine LearningMarketing Tech

Dan Sack(Founder)inJim Payne(Founder)

PartnerEric Stromberg· solo GP

Co-investorsBreakpoint CapitalEniac VenturesJavelin Venture PartnersAddition

Coplanecoplane.com𝕏

CoPlane converts back-office processes, SOPs, and institutional knowledge into integrated software and AI agent systems that run end-to-end with auditing, exception handling, and enterprise system integrations.

AI & Machine LearningEnterprise SoftwareSaaSNew York City, US

Chris Sperandio(Founder)Victor Mota(Founder)Scott O'Leary(Founder)

PartnerEric Stromberg· solo GP

Co-investorsOptum VenturesRibbit Capital

Eternaleternal.gg𝕏Acquired

Eternal is a Los Angeles NFT marketplace for trading Twitch streamer clips, a Y Combinator W20 company now listed as acquired.

ConsumerGamingLos Angeles, US

Jeffrey Tong(Founder)inAlex Mather(Founder)inReggie James(Founder)Derek ChianginJelyn Hermosa(Chief of Staff)

Co-investorsArrington CapitalBackbone VenturesCoinbase VenturesY Combinator468 CapitalAmbush Capital+17 more

Eternal Healtheternal.coJan 2025

Eternal is a personalized health platform that combines wearable data, lab results, and AI coaching to deliver customized podcasts, daily texts, and in-person care for fitness, health, and longevity.

HealthtechLongevityWellness & FitnessNew York, US

PartnerEric Stromberg· solo GP

Co-investorsBling CapitalFlare Capital PartnersJAZZ Venture PartnersNext VenturesTreble CapitalCourtside Ventures+3 more

Fauna Roboticsfaunarobotics.comin𝕏Feb 2025

Fauna Robotics designs and assembles robotics products in the United States, providing Sprout, a development platform that enables developers to build and deploy robot applications more efficiently.

AI & Machine LearningDeveloper ToolsHardwareRoboticsNew York, US

Josh Merel(Founder)inRobert P. Cochran(Executive Officer, Director)Alexander Kvamme(Director)Rob Cochran(Founder)

BoardIlya Fushman(Director)in

PartnerEric Stromberg· solo GP

Co-investorsKleiner PerkinsVillage GlobalLux CapitalQuiet Capital

Naturalnatural.comin𝕏Jan 2026

Natural provides an API and payments infrastructure designed for AI agents to transact autonomously, with features like agent observability, expanded FDIC coverage, and an MCP integration for developers.

AI & Machine LearningDeep TechDeveloper ToolsFintechSan Francisco, US

KahlilEric Wang(Founder)inKahlil Lalji(Founder)inWalt Leung(Founder)

Co-investorsAbstract VenturesAntiFinancial Venture StudioForerunner VenturesMirana VenturesPark Rangers Capital+13 more

Parallel Web Systemsparallel.aiin𝕏Apr 2026 · $100M

Parallel builds infrastructure for AI agents to access, reason over, and transact with web data through declarative interfaces and open, verifiable markets.

AI & Machine LearningData & InfrastructureDeveloper ToolsSan Francisco, US

Parag Agrawal(Founder)inTravers Nisbet(Founder)in

PartnerEric Stromberg· solo GP

Co-investorsAbstract VenturesAudaciousFirst Round CapitalIndex VenturesKhosla VenturesKleiner Perkins+6 more

Other

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

Universe Software, Inc.

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.