Foresite Capital is a multi-stage investment firm focused on healthcare and life sciences, aiming to address significant unmet needs by funding promising businesses across all stages of their development. Their strategy employs a data science-driven approach to identify breakthrough opportunities at the intersection of technology and biotechnology.
55% of their portfolio is in Biotech & Life Sciences. Average disclosed round size is $94.6M (across 44 rounds with reported amounts).
Portfolio
47
Fund Size
$3.5B
Top Stage
Series B
Last 12 Mo
4
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
47 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Pinnacle Medicines | Series B | $89M | Mar 2026 |
| SSlate Medicines | Series A | $130M | Feb 2026 |
 Midi Health | Series D | $100M | Feb 2026 |
 Thyme Care | Series D | $97M | Sep 2025 |
 Latigo Biotherapeutics | Series B | $150M | Mar 2025 |
| RRAPT Therapeutics, Inc. | Series D | $150M | Dec 2024 |
 Sollis Health | Series B | $33M | Dec 2024 |
| Thyme Care | Series C | $95M | Jul 2024 |
| XXaira Therapeutics | Series A | — | Apr 2024 |
 Alumis Inc | Series C | $259M | Mar 2024 |
 Remix Therapeutics | Series C | $60M | Jan 2024 |
| Thyme Care | Series B | $60M | Aug 2023 |
 CG Oncology | Growth | $105M | Aug 2023 |
 Foresight Diagnostics | Series B | $58.8M | Apr 2023 |
 Odyssey Therapeutics, Inc. | Series B | $168M | Oct 2022 |
 FOLX Health | Series B | $30M | Oct 2022 |
| NNested Therapeutics | Series A | $90M | Oct 2022 |
 MyOme | Series B | $23M | Jun 2022 |
| MMirvie | Series B | $60M | May 2022 |
| Remix Therapeutics | Series B | $70M | May 2022 |
 ImmPACT Bio USA, Inc. | Series B | $111M | Jan 2022 |
 Eikon Therapeutics | Series B | $517.8M | Jan 2022 |
| TTasso | Growth | $100M | Dec 2021 |
| Odyssey Therapeutics, Inc. | Series A | $218M | Dec 2021 |
 Mammoth Biosciences | Series D | $150M | Sep 2021 |
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Top Co-Investors
ARCH Venture Partners6 shared
GV (Google Ventures)6 shared
OrbiMed6 shared
RA Capital Management5 shared
Paladin Capital Group5 shared
The Column Group5 shared
Alexandria Venture Investments5 shared
General Catalyst4 shared
SR One3 shared
Logos Capital3 shared
HBM Healthcare Investment3 shared
NanoDimension3 shared
AlleyCorp3 shared
Frist Cressey Ventures3 shared
Cowen Healthcare Investments2 shared
Founders Fund2 shared
BlackRock2 shared
Mayfield Fund2 shared
Woodline Partners2 shared
Colt Ventures2 shared
Last updated: 15 April 2026