Flagship Pioneering
Flagship Pioneering is an American life sciences venture capital and bioplatform innovation company based in Cambridge, Massachusetts. It conceives, creates, resources, and grows first-in-category ventures in biotechnology, healthcare, and sustainability, having founded over 100 companies including Moderna.
45% of their portfolio is in Biotech & Life Sciences. Deal activity decreased year-over-year (2 deals in the last 12 months vs 4 prior). Average disclosed round size is $85.7M (across 114 rounds with reported amounts).
Portfolio
76
Fund Size
$3.6B
Top Stage
Series B
Last 12 Mo
2
Team
Yvonne Hao
Chief Operating Officer and General Partner
Jeffrey Luber
Growth Partner
Yasir Al-Wakeel
CEO-Partner and Chief Executive Officer of Vesalius Therapeutics
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 Harbinger Health | Unknown | $100M | Apr 2026 |
 Mirai Bio | Unknown | $50M | Jan 2026 |
 Lila Sciences | Series A | $350M | Oct 2025 |
| LLILA | Seed | $200M | Mar 2025 |
| Lila Sciences | Seed | $200M | Mar 2025 |
 Inari Agriculture | Growth | $144M | Jan 2025 |
| IInari Agriculture | Growth | $144M | Jan 2025 |
 Ampersand Biomedicines | Series B | $65M | Jan 2025 |
 Inari | Growth | $144M | Jan 2025 |
 Etiome | Series A | $50M | Jan 2025 |
 Evelo | Series D | $75M | Aug 2024 |
 Evelo Biosciences | Series D | $75M | Aug 2024 |
 Abiologics | Unknown | $50M | Jul 2024 |
 Seres Therapeutics | Series E | $113M | Jan 2024 |
| Harbinger Health | Series B | $140M | Jan 2024 |
| Harbinger Health | Unknown | $140M | Sep 2023 |
 Indigo Agriculture | Growth | $250M | Sep 2023 |
 Generate:Biomedicines | Series C | $273M | Sep 2023 |
 Alltrna | Series B | $109M | Aug 2023 |
| Ampersand Biomedicines | Series B | $65M | Jan 2023 |
 Quotient Therapeutics | Unknown | $50M | Jan 2023 |
| Harbinger Health | Series B | — | Jan 2023 |
 Cellarity | Series C | $121M | Oct 2022 |
| SSenda Biosciences | Series C | $123M | Aug 2022 |
 Apriori Bio | Unknown | $50M | Jul 2022 |
Top Co-Investors
Last updated: 20 October 2026