Investor Lists

Series B biotech investors

Updated 7 November 2026

Firms we have watched take part in a Series B 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 464 →The top 25
464investors on the list+11 this week
9,400cheques in 12 months-1% against the market
$30Mmedian round they joined+275% against the market median
92%wrote a cheque in 12 months
60%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. 8General CatalystDeploying nowVC firm · United States1,387$27Mmedian roundNov 2026last seen
  9. 9SV AngelDeploying nowVC firm · United States1,349$18Mmedian roundOct 2026last seen
  10. 10BpifranceDeploying nowGovernment · France1,151$4.5Mmedian roundOct 2026last seen
  11. 11Khosla VenturesDeploying nowVC firm · United States1,128$26Mmedian roundNov 2026last seen
  12. 12Founders FundDeploying nowVC firm · United States1,122$15Mmedian roundOct 2026last seen
  13. 13Bessemer Venture PartnersDeploying nowVC firm · United States1,038$30Mmedian roundNov 2026last seen
  14. 14Index VenturesDeploying nowVC firm · United Kingdom1,027$31Mmedian roundNov 2026last seen
  15. 15GaingelsDeploying nowPrivate equity · United States1,010$8Mmedian roundOct 2026last seen
  16. 16Google VenturesDeploying nowCorporate VC · United States884$38Mmedian roundOct 2026last seen
  17. 17EIC AcceleratorDeploying nowGovernment · European Union875$4.3Mmedian roundOct 2026last seen
  18. 18BoxGroupDeploying nowVC firm · United States773$18Mmedian roundNov 2026last seen
  19. 19Menlo VenturesDeploying nowVC firm · United States740$37Mmedian roundOct 2026last seen
  20. 20Norwest Venture PartnersDeploying nowVC firm · United States705$25Mmedian roundOct 2026last seen
  21. 21BDC CapitalDeploying nowVC firm · Canada685$6Mmedian roundSept 2026last seen
  22. 22CanaanDeploying nowVC firm · United States610$20Mmedian roundOct 2026last seen
  23. 23Korea Tech Incubator Program For StartupDeploying nowGovernment · South Korea597$2.1Mmedian roundSept 2026last seen
  24. 24SVB CapitalDeploying nowVC firm · United States564$20Mmedian roundOct 2026last seen
  25. 25VenrockDeploying nowVC firm · United States560$36Mmedian roundOct 2026last seen
439 more on this list

All 464 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 B biotech investors

Who are the most active series B biotech investors?

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

How many series B biotech investors are there?

464 are on record. 92% made an investment in the last 12 months and 60% have led a round.

Which stages do series B biotech investors back?

Of the rounds with a named stage in the last 12 months, mostly Seed (24%) and Series A (24%).

How big are the rounds series B biotech investors join?

The typical (median) round among the leading investors here is $20M.

Which sectors do series B biotech investors back most?

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

Which series B biotech investors lead the most rounds?

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

Where are series B biotech investors based?

Most of the leading investors here are based in the United States (20 of the top 25); the rest in France and the United Kingdom.

What have series B biotech investors invested in recently?

Recent rounds include Physicl (Seed, Nov 2026, with U.S. Venture Partners), Harbinger (Series D+, Nov 2026, with Fidelity) and ArrayPatch (Seed, Nov 2026, with Enterprise Ireland).

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