VC firm
EcoR1 Capital
Also known as EcoR1 Capital, LLC, EcoR1 Venture Opportunity Fund, LP, EcoR1 Venture Opportunity Offshore Fund, L.P.
- Investor type
- VC
- Investing status
- Activeas of 2026-09-20Source (opens in a new tab)
- Headquarters
- San Francisco, CA, United States
- Assets under management
- $3.4BForm ADV private fund GAV, as of 2026-03-30Source (opens in a new tab)
- Funds
- 4
- Legal name
- EcoR1 Capital, LLC
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Record updated 29 September 2026
About
Fueling the science that improves lives.
Investment approach
- Thesis
- Life-saving breakthroughs are out there, ready to be discovered and developed. Our driving force is to build long-term partnerships with bold entrepreneurs who are dedicated to pushing therapeutic innovation forward and creating new medicines for patients.Source (opens in a new tab)
- Investing status notes
- We are lenders of conviction as we seek to invest in companies with the greatest potential to better patient lives.
Funds
- EcoR1 Venture Opportunity Fund, LP
- $78.4MVintage 2019, Main fund, SEC amount sold
- EcoR1 Venture Opportunity Offshore Fund, L.P.
- $5.5MVintage 2019, SPV, SEC amount sold
- ECOR1 CAPITAL FUND QUALIFIED, L.P.
- Main fund
- ECOR1 CAPITAL FUND, L.P.
- Main fund
SEC registration
- Registered adviser
- ECOR1 CAPITAL, LLC
- CRD number
- 167121 (opens in a new tab)
- SEC file number
- 801-100470
- Registration
- SEC registered
- Regulatory AUM
- $3.4Bas of 2026-03-30
- Private funds reported
- 3
- Principal office
- SAN FRANCISCO, CA, United States
- SEC CIK
- 1777466, 1778011
Locations
- Headquarters
- San Francisco, CA, United States
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