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Stone Bridge Ventures

Venture capital

Seoul · Seed–Late Stage

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Investment thesis

Stone Bridge Ventures backs founders with bold, original ideas capable of transforming individual lives, industries, and markets. It concentrates on innovative technology and life-science companies led by entrepreneurs who combine vision and persistence to build future-oriented businesses. The firm partners with companies across every growth phase, from early seed rounds through early-to-mid-stage expansion and late-stage acceleration for emerging market leaders. Beyond capital, it provides tailored professional support and connections to help portfolio companies scale. Since 2010 it has broadened its relationships with founders while growing its assets under management, positioning itself as a long-term companion to entrepreneurs.

Source: firm website, verified Aug 3, 2026.

Stage
Seed–Late Stage
Check
$1.4M – $19M
HQ
Seoul, KR
Leads rounds
Follows
Instruments
Equity
Founded
2010
Tracked investments
10
Unicorns
1

What they invest in

from 2 of 10 portfolio companies

AI & Machine Learning ×1Crypto & Web3 ×1Data & Infrastructure ×1Deep Tech ×1Social ×1

HQs:United States×1

Investments · 11 tracked

founders shown can be your intro path
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 PartnersNycaTriplePoint Capital+1 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(Co-Founder (former Head of Technology))inHenry (Kiss) Ehrenberg(Co-Founder (former Head of Engineering))inParoma Varma(Co-Founder (former Head of Solutions))inManas Joglekar(Co-Founder / Founding Engineer (former))in

Co-investorsAccenture VenturesAdditionBlackRockGreylock PartnersGV (Google Ventures)In-Q-Tel+6 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

Portfolio news

latest coverage across their companies

Frequently asked questions

How many investments has Stone Bridge Ventures made?
Stone Bridge Ventures has 10 tracked investments.
What stage does Stone Bridge Ventures invest at?
Stone Bridge Ventures invests at the Seed, Series A, Series B, Growth, Late Stage stages.
What is Stone Bridge Ventures's typical check size?
Stone Bridge Ventures typically writes checks of $1.4M – $19M.
What sectors does Stone Bridge Ventures focus on?
Stone Bridge Ventures focuses on AI & Machine Learning, Biotech, Consumer, Deep Tech, Digital Health, Enterprise Software, Fintech, Medical Devices, Robotics, SaaS, Semiconductors.
Where is Stone Bridge Ventures located?
Stone Bridge Ventures is headquartered in Seoul, KR.
Does Stone Bridge Ventures lead rounds?
Stone Bridge Ventures typically participates in rounds rather than leading them.
Who does Stone Bridge Ventures co-invest with?
Stone Bridge Ventures most often shares deals with Greylock Partners, GV (Google Ventures), In-Q-Tel, among 12 tracked co-investors.

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