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Top Biotech companies in New York

Companies applying biology, chemistry, and computation to therapeutics and tooling. Filtered to companies headquartered in New York.

Built from a search like: “Top Biotech companies in New York”

Ranked by current headcount across Biotech companies headquartered in New York. Refreshed daily.

  1. 1
    Regeneron· Tarrytown, New York, United States
    • Post-IPO equity
    • 16.7k employees
    • Founded 1988
  2. 2
    Flatiron Health· New York, New York, United States
    • Series D
    • 1.5k employees
    • Founded 2012
  3. 3
    Certified Group· Melville, New York, United States
    • 1.3k employees
    • Founded 2005
  4. 4
    Axsome Therapeutics, Inc.· New York, New York, United States
    • Post-IPO debt
    • 935 employees
    • Founded 2012
  5. 5
    Menarini Stemline· New York, New York, United States
    • Post-IPO equity
    • 751 employees
    • Founded 2003
  6. 6
    Taconic Biosciences· Rensselaer, New York, United States
    • 501 employees
    • Founded 1952
  7. 7
    ACM Global Laboratories· Rochester, New York, United States
    • 501 employees
    • Founded 1997
  8. 8
    BioIVT· Woodbury, New York, United States
    • Debt
    • 477 employees
    • Founded 1981
  9. 9
    North Central Bronx Hospital· Bronx, New York, United States
    • 379 employees
  10. 10
    Immunovant· New York, New York, United States
    • Post-IPO equity
    • 342 employees
    • Founded 2018
  11. 11
    Syndax Pharmaceuticals· New York, New York, United States
    • Post-IPO debt
    • 329 employees
    • Founded 2005
  12. 12
    Certified Laboratories, Inc.· Melville, New York, United States
    • 315 employees
    • Founded 1926
  13. 13
    New York Genome Center· New York, New York, United States
    • Grant
    • 256 employees
    • Founded 2011
  14. 14
    IGI· New York, New York, United States
    • 238 employees
    • Founded 2019
  15. 15
    Roivant· New York, New York, United States
    • Post-IPO equity
    • 225 employees
    • Founded 2014
  16. 16
    Opentrons Labworks Inc.· New York, New York, United States
    • Series D
    • 201 employees
    • Founded 2014
  17. 17
    Formation Bio· New York, New York, United States
    • Series D
    • 190 employees
    • Founded 2013
  18. 18
    Immunai· New York, New York, United States
    • Series B
    • 184 employees
    • Founded 2019
  19. 19
    Advanced Idea Mechanics Biotechnology by Dohme Global Group· Albany, New York, United States
    • 177 employees
  20. 20
    Genencor· Rochester, New York, United States
    • 176 employees
    • Founded 1982
  21. 21
    Acorda Therapeutics, Inc.· Pearl River, New York, United States
    • Post-IPO equity
    • 169 employees
    • Founded 1995
  22. 22
    Enzo Life Sciences, Inc.· Farmingdale, New York, United States
    • Pre-seed
    • 169 employees
    • Founded 1976
  23. 23
    Click Therapeutics, Inc.· New York, New York, United States
    • Series D
    • 140 employees
    • Founded 2012
  24. 24
    ZeptoMetrix· Buffalo, New York, United States
    • 135 employees
    • Founded 1999
  25. 25
    HistoGenetics· Ossining, New York, United States
    • 123 employees
    • Founded 2006

Find engineers at Biotech companies in New York

New York has long been a hub for Biotech, and the list above ranks the largest Biotech companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 296 matching companies in our index, this is a good map of where the Biotech talent in New Yorklives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest Biotech companies in New York tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for “Biotech engineers in New Yorkhiring senior staff” or “founders of Biotech companies in New Yorkwho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled Biotech companies headquartered in New York from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 08:10:13 GMT

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