The most active biotech startup investors
426 investors hold three or more biotech startups each, 2,443 portfolio startups in all. The most active here are Y Combinator (112), RA Capital Management (96) and Plug and Play (85). 73 of them are accelerators.
Investors backing startups worldwide
| Investor | Startups here | Portfolio rounds, 12 mo | Latest activity |
|---|---|---|---|
| 112 | 255 | Oct 2026 | |
| 96 | 31 | Oct 2026 | |
| 85 | 154 | Nov 2026 | |
| 84 | 35 | Oct 2026 | |
| 65 | 19 | Oct 2026 | |
| 64 | 17 | Oct 2026 | |
| 58 | 57 | Oct 2026 | |
| 48 | 14 | Oct 2026 | |
| 48 | 9 | Oct 2026 | |
| 46 | 47 | Nov 2026 | |
| 44 | 97 | Oct 2026 | |
| HHelmholtzAccelerator · Germany · Cytiva, Tcelltech, BioRN | 38 | 9 | Oct 2026 |
| 37 | 25 | Oct 2026 | |
| 37 | 15 | Oct 2026 | |
| 35 | 27 | Sep 2026 | |
| 34 | 38 | Oct 2026 | |
| 34 | – | – | |
| 32 | 102 | Nov 2026 | |
| 32 | 4 | Feb 2026 | |
| 30 | 10 | Sep 2026 | |
| 29 | 12 | Sep 2026 | |
| 28 | 22 | Oct 2026 | |
| 26 | 11 | Aug 2026 | |
| 26 | 7 | Sep 2026 | |
| 26 | 2 | Oct 2026 | |
| 25 | 13 | Oct 2026 | |
| 24 | 4 | Jun 2026 | |
| 23 | 58 | Oct 2026 | |
| IIllumina VenturesVenture capital · Iambic Therapeutics, OraSure.com. Please be aware that OraSure Technologies, Inc., Integrated Biosciences | 23 | 7 | Oct 2026 |
| 23 | 4 | Oct 2026 | |
| 23 | 2 | Feb 2026 | |
| 23 | 1 | Jul 2026 | |
| 22 | 39 | Sep 2026 | |
| 22 | 4 | Jun 2026 | |
| 21 | 4 | Aug 2026 | |
| 21 | – | – | |
| 20 | 121 | Nov 2026 | |
| 20 | 83 | Oct 2026 | |
| 20 | 81 | Oct 2026 | |
| CCambridge EnterpriseAccelerator · United Kingdom · COLORIFIX, Pretzel Therapeutics, bit.bio | 20 | 28 | Sep 2026 |
The most backed startups worldwide
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Questions
Who invests in biotech startups?
426 investors hold three or more biotech startups each, 2,443 portfolio startups in all. The most active here are Y Combinator (112), RA Capital Management (96) and Plug and Play (85). 73 of them are accelerators.
How is this list built?
From what each investor holds: the portfolio page it publishes, the Y Combinator directory and the announced rounds that name it. An investor counts for a sector when at least three of its portfolio companies are based there; the list is rebuilt every night from 2,414 portfolios.
