Seed-stage VC, US
Uncork Capital
Venture capital firm · San Francisco · Founded 2004
Quick read
Uncork Capital is a seed-stage venture capital firm founded in 2004, headquartered in San Francisco, CA. It has backed more than 260 companies over 20 years, with portfolio companies raising $8B+ in follow-on capital. In May 2025, the firm closed its eighth seed fund at $225M and a $75M opportunity fund, doubling down on AI-native companies at the earliest stage.
Key facts
- Founded
- 2004
- Founders
- Jeff Clavier
- Employees
- 10-50
- Sectors
- generalist, saas, ai, fintech, marketplace, consumer, enterprise
- Website
- uncorkcapital.com
Investment thesis
Uncork invests at seed stage, writing $1.5M–$4M checks into outlier founders building technology-driven companies — with a current focus on AI-native businesses across SaaS, fintech, marketplaces, and enterprise software. The firm commits before traction is obvious and follows on through breakout portfolio companies via its dedicated opportunity fund.
Recent activity
- Jun 2025pressUncork Capital held its Summer Party 2025, documented on Facebook with photos posted June 5, 2025. facebook.com
- 2025leadershipTripp Jones announced Isha Mehrotra and Nichatorn (Belle) Tangkuptanon as new Associates joining the Uncork investment team. linkedin.com
- 2025investmentUncork led a $6M round for Koobz, a footwear startup. linkedin.com
- 2025investmentUncork led the seed round in Amperos Health, partnering with founders Michal Miernowski, Alvin Wu, and Wilson Wang. linkedin.com
- 2025fundraiseUncork raised $300M in new funds, per a LinkedIn post from Joyce Lee. linkedin.com
- 2025leadershipAmy Saper joined Uncork's investment team, focusing on seed-stage B2B companies with an emphasis on AI-enabled applications and APIs for engineering, product, and design teams. She previously led seed and Series A deals at Accel and spent nearly a decade at Stripe, Uber, and Twitter. dayone.fm
- 2025investmentKnit raised $11.6M with Uncork participating alongside Frist Cressey Ventures, Moxxie Ventures, and Coalition Operators. linkedin.com
- May 2026investmentUncork Capital led Knit Health's $11.6M seed round alongside Frist Cressey Ventures, Moxxie Ventures, and Coalition Operators. Knit has built a Large Clinical Behavior Model (LCBM) designed to learn from how care is delivered in practice. linkedin.com
- Apr 2026investmentUncork backed Amperos Health's $16M raise for an agentic AI denial management and revenue recovery platform, co-investing with Neo and Bessemer Venture Partners. tracxn.com
- Apr 2026investmentUncork participated in Soma Energy's $7M pre-seed and seed round alongside TO VC, Haystack, and Panache Ventures. tracxn.com
- Feb 2026investmentUncork backed Mirai's $10M seed round for an on-device AI capability layer. tracxn.com
- Feb 2026investmentUncork participated in Duckbill's $7.75M raise for its new Skyway platform, expanding the cloud and AWS cost consultancy into software. tracxn.com
Notable investments
- KoobzSeed2025linkedin.com
- Amperos HealthSeed2025linkedin.com
- KnitSeed2025linkedin.com
- Knit HealthSeedMay 2026linkedin.com
- Soma EnergyPre-Seed / SeedApr 2026tracxn.com
- MiraiSeedFeb 2026tracxn.com
- DuckbillSeedFeb 2026tracxn.com
- BuildcheckSeedDec 2025tracxn.com
- InertiaSeed2025linkedin.com
- UnkeySeed2025uncorkcapital.com
- GroqUndisclosed2025techcrunch.com
- Final Round AISeed2024uncorkcapital.com
Key people
Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.
- Jeff Clavier · Founding Partner
- Andy McLoughlin · Managing Partner
- Tripp Jones · General Partner
- Susan Liu · General Partner
- Amy Saper · Partner
Sources
- About | Uncork Capital
- Home | Uncork Capital
- Uncork Capital - 2026 Investor Profile, Portfolio, Team & Investment Trends - Tracxn
- Susan Liu's Investing Profile - Uncork Capital Partner | Signal
- Tripp Jones' Investing Profile - Uncork Capital Partner | Signal
- Jeff Clavier - Founding Partner at Uncork Capital | LinkedIn
- Andy McLoughlin - Uncork Capital | LinkedIn
- Uncork Capital - Crunchbase Company Profile & Funding
- https://uncorkcapital.com/blog/uncork-capital-closes-300m-to-support-early-stage-founders-e1015b772be1
- https://www.linkedin.com/company/uncorkcapital
- https://techcrunch.com/podcast/uncork-capital-on-21-years-of-venture-cycles-and-whats-different-about-this-one/
- https://uncorkcapital.com/blog/ship-apis-not-infrastructure-welcome-unkey
- https://uncorkcapital.com/blog/the-job-search-is-broken-why-uncork-capital-invested-in-final-round-ai-cfabf3200ebe
- https://www.linkedin.com/in/jeffclavier/
- https://tracxn.com/d/venture-capital/uncork-capital/__4y-fBpUmHwCo_rqgrE6yEx6huSJlreS5aTnrXXJwX3E
- https://tracxn.com/d/venture-capital/uncork-capital/__4y-fBpUmHwCo_rqfrE6yEx6huSJlreS5aTnrXXJwX3E
- https://www.prnewswire.com/news-releases/uncork-capital-raises-300-million-to-back-the-next-generation-of-category-defining-companies-302443713.html
- https://www.facebook.com/uncorkcapital/
- https://www.linkedin.com/in/tripp-jones-8341255/
- https://www.linkedin.com/in/joycelee514/
- https://dayone.fm/company/uncork-capital
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Frequently asked
What is Uncork Capital?+
Uncork Capital is a seed-stage venture capital firm founded in 2004, headquartered in San Francisco, CA. It has backed more than 260 companies over 20 years, with portfolio companies raising $8B+ in follow-on capital.
Where is Uncork Capital headquartered?+
Uncork Capital is headquartered in San Francisco, United States.
When was Uncork Capital founded?+
Uncork Capital was founded in 2004 by Jeff Clavier.
What sectors does Uncork Capital invest in?+
Uncork Capital focuses on generalist, saas, ai, fintech, marketplace, consumer, enterprise. They primarily invest in these sectors.
How do I prepare for a meeting with Uncork Capital?+
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