Investor Lists

Series A biotech investors

Updated 7 November 2026

Firms we have watched take part in a Series A round raised by a biotech company in the last two years. Both the stage and the sector are what they did, not what their website says.

See all 650 →The top 25
650investors on the list+7 this week
12,083cheques in 12 months-6% against the market
$18Mmedian round they joined+125% against the market median
89%wrote a cheque in 12 months
54%have led a round

The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

  1. 1Y CombinatorDeploying nowAccelerator · United States6,412$3Mmedian roundOct 2026last seen
  2. 2500 GlobalDeploying nowAngel · United States2,140$3.6Mmedian roundOct 2026last seen
  3. 3Sequoia CapitalDeploying nowVC firm · United States2,099$35Mmedian roundNov 2026last seen
  4. 4National Science FoundationDeploying nowGovernment · United States1,869$926Kmedian roundSept 2026last seen
  5. 5Andreessen HorowitzDeploying nowVC firm · United States1,661$27Mmedian roundNov 2026last seen
  6. 6New Enterprise AssociatesDeploying nowVC firm · United States1,610$34Mmedian roundOct 2026last seen
  7. 7Alumni VenturesDeploying nowVC firm · United States1,598$12Mmedian roundNov 2026last seen
  8. 8Plug and PlayDeploying nowAccelerator · United States1,561$5Mmedian roundNov 2026last seen
  9. 9General CatalystDeploying nowVC firm · United States1,387$27Mmedian roundNov 2026last seen
  10. 10Lightspeed Venture PartnersDeploying nowVC firm · United States1,341$35Mmedian roundNov 2026last seen
  11. 11BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  12. 12Khosla VenturesDeploying nowVC firm · United States1,128$26Mmedian roundNov 2026last seen
  13. 13Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  14. 14Bessemer Venture PartnersDeploying nowVC firm · United States1,038$30Mmedian roundNov 2026last seen
  15. 15Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  16. 16GaingelsDeploying nowPrivate equity · United States1,010$8Mmedian roundOct 2026last seen
  17. 17MassChallengeDeploying nowAccelerator · United States984$1.8Mmedian roundSept 2026last seen
  18. 18SOSVDeploying nowVC firm · United States951$2.5Mmedian roundNov 2026last seen
  19. 19Google VenturesDeploying nowCorporate VC · United States884$38Mmedian roundOct 2026last seen
  20. 20EIC AcceleratorDeploying nowGovernment · European Union875$4.3Mmedian roundOct 2026last seen
  21. 21Google for StartupsDeploying nowAccelerator · United States811$1.4Mmedian roundSept 2026last seen
  22. 22First Round CapitalDeploying nowVC firm · United States807$18Mmedian roundOct 2026last seen
  23. 23BoxGroupDeploying nowVC firm · United States773$18Mmedian roundNov 2026last seen
  24. 24Insight PartnersDeploying nowVC firm · United States765$40Mmedian roundOct 2026last seen
  25. 25Goldman SachsDeploying nowPrivate equity · United States758$73Mmedian roundOct 2026last seen
625 more on this list

All 650 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

See the whole list →

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Quick answers about series A biotech investors

Who are the most active series A biotech investors?

By cheques observed, the most active are Y Combinator, 500 Global, Sequoia Capital, National Science Foundation and Andreessen Horowitz.

How many series A biotech investors are there?

650 are on record. 89% made an investment in the last 12 months and 54% have led a round.

Which stages do series A biotech investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (27%) and Series A (23%).

How big are the rounds series A biotech investors join?

The typical (median) round among the leading investors here is $18M.

Which sectors do series A biotech investors back most?

In the last 12 months, mostly AI, Biotech and Healthcare.

Which series A biotech investors lead the most rounds?

Andreessen Horowitz (114 led), General Catalyst (97 led) and Sequoia Capital (91 led).

Where are series A biotech investors based?

Most of the leading investors here are based in the United States (22 of the top 25); the rest in France and the United Kingdom.

What have series A biotech investors invested in recently?

Recent rounds include Arka Fincap (Other, Nov 2026, with TPG), Fathom Therapeutics (Nov 2026, with Sutter Hill Ventures) and Humble Robotics (Series A, Nov 2026, with Obvious Ventures).

Built from the rounds we watched, refreshed every night. How we count · Report a correction