/Investor DB

Stone Bridge Ventures — Full Portfolio

12 tracked investments · listed companies and verified rows first

Mycelmycel.land𝕏Aug 2022

Mycel is a blockchain infrastructure for cross-chain asset exchange, using an Ownership Transfer Protocol (OTP) and a CometBFT-based consensus layer (HyphaBFT) to swap native tokens across isolated blockchain ecosystems.

Crypto & Web3Data & InfrastructureDeep Tech

Taro Kimura(Founder)in

Co-investorsCV VCNotch VenturesIndustrial Bank of KoreaKorea Development BankWe Ventures

Offchainoffchain.socialApr 2019 · $3.7M

OffChain Global is a Web3 professional community with chapters in seventy cities, hosting virtual and in-person events such as meetups, panels, and conferences.

Crypto & Web3Social

Polina(Early founder)

Co-investorsOnePiece LabsPantera CapitalStonebridge Ventures

Ribbonribbonhome.cominSep 2021 · $150M

Ribbon Home is an alternative home finance lender, owned and operated by Hurst Lending, offering financing programs such as buy-before-you-sell, cash offer loans, bridge loans, HELOCs, home equity investments, and personal loans for homebuyers and homeowners who don't fit traditional mortgage criteria.

FintechPropTech

Saeid Kian(Founder)in

Co-investorsNFXBain Capital VenturesGreenspring AssociatesGreylock PartnersNycaThomvest Ventures+2 more

Snorkel AIsnorkel.aiin𝕏Aug 2021

Snorkel AI provides a platform and research for building training data and evaluation environments for frontier AI and agentic AI systems.

AI & Machine LearningData & InfrastructureDeep TechRedwood City, US

Henry Kiss Ehrenberg(Founder)inChristopher (Chris) Ré(Co-Founder)Braden Hancock(Founder)inParoma Varma(Founder)inManas Joglekar(Co-Founder / Founding Engineer (former))inVincent (Sunn) Chen(Co-Founder & VP of New Products & Technology)in

Co-investorsAccenture VenturesAdditionBlackRockFelicis VenturesGreylock PartnersGV (Google Ventures)+11 more

Other

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

AI 모델 경량화 및 최적화 기업AI 보안 솔루션AI 자율비행 방산드론데이터처리가속기(DPU) 개발사세계최초 일회용 다관절 복강경 수술기구 개발사타우기반 알츠하이머 치료제 개발사한국판 팔란티어(Palantir)휴머노이드 로봇 개발사

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.