Stone Bridge Ventures
Venture capitalSeoul ยท SeedโLate Stage
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.
What they invest in
from 1 of 9 portfolio companiesAI & Machine Learning ร1Data & Infrastructure ร1Deep Tech ร1
HQs:United Statesร1
Investments ยท 9 tracked
founders shown can be your intro pathAI model lightweighting and optimization company
AI security solutions provider.
AI-powered autonomous flight defense drones.
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) Rรฉ(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
Developer of data processing units (DPU) / semiconductors.
Developer of the world's first single-use multi-joint laparoscopic surgical instruments.
Developer of tau-based Alzheimer's disease therapeutics.
Described as a Korean version of Palantir (data/defense analytics).
Portfolio news
latest coverage across their companiesSnorkel AI ยท Snorkel AI (press) ยท Jul 24, 2026
Frequently asked questions
- How many investments has Stone Bridge Ventures made?
- Stone Bridge Ventures has 9 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 โ $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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