EcoR1 Capital

Venture capital · San Francisco, California, United States

Portfolio collected from the firm’s website, last checked Jul 26, 2026.Raises and exits come from each company’s own SEC and company records.
11Deep-tech portfolio2 active
9Portfolio exitsAcquired or listed
0Raises, 12 monthsLatest: Alumis
63Co-investorsShare a portfolio company
Matched to tracked deep-tech companies

Portfolio · 11 companies

CompanySectorStatusLatest raiseRaised
Prelude TherapeuticsBiotechActiveAug 28, 2020$97.0M
Kymera TherapeuticsBiotechActive——
AlumisBiotechPublicJul 24, 2024$240.0M
Relay TherapeuticsBiotechPublicJan 10, 2024$30.0M
AbsciBiotechPublicMar 30, 2021$216.0M
Edgewise TherapeuticsBiotechPublicDec 10, 2020$120.1M
Imago BioSciencesBiotechAcquiredNov 20, 2020$105.8M
iTeos TherapeuticsBiotechAcquiredApr 9, 2020$125.4M
Revolution MedicinesBiotechPublicNov 15, 2019$204.2M
Attovia TherapeuticsBiotechPublic——
Turning Point TherapeuticsBiotechAcquired——
Among 276 venture investors with portfolios

Peer ranks

Portfolio size#44
Portfolio exits#13
Raises, 12 months#88
Co-investors#18
Share the most portfolio companies

Co-investors

Portfolio by sector

Sectors

  • Biotech11

Portfolios are collected from investors’ own websites and matched to tracked deep-tech companies by name; duplicate listings of the same firm are merged. Exits and raises come from each company’s own record: Form D through the latest filing.