Refolk

Series B Biotech companies in Boston

Companies applying biology, chemistry, and computation to therapeutics and tooling. Filtered to Series B-stage companies headquartered in Boston.

Built from a search like: Top Series B Biotech companies in Boston

Ranked by current headcount across Series B Biotech companies in Boston. Refreshed daily.

  1. 1
    Foundation Medicine· Boston, Massachusetts, United States
    • Series B
    • 1.8k employees
    • Founded 2010
  2. 2
    Empatica· Boston, Massachusetts, United States
    • Series B
    • 127 employees
    • Founded 2011
  3. 3
    Asimov· Boston, Massachusetts, United States
    • Series B
    • 116 employees
    • Founded 2017
  4. 4
    Strand Therapeutics· Boston, Massachusetts, United States
    • Series B
    • 116 employees
    • Founded 2017
  5. 5
    GALY· Boston, Massachusetts, United States
    • Series B
    • 80 employees
    • Founded 2019
  6. 6
    Embark Veterinary· Boston, Massachusetts, United States
    • Series B
    • 78 employees
    • Founded 2015
  7. 7
    Ratio Therapeutics· Boston, Massachusetts, United States
    • Series B
    • 73 employees
    • Founded 2021
  8. 8
    Labviva· Boston, Massachusetts, United States
    • Series B
    • 68 employees
    • Founded 2017
  9. 9
    Akouos· Boston, Massachusetts, United States
    • Series B
    • 58 employees
    • Founded 2016
  10. 10
    Prilenia· Boston, Massachusetts, United States
    • Series B
    • 58 employees
    • Founded 2018
  11. 11
    Precede Biosciences· Boston, Massachusetts, United States
    • Series B
    • 54 employees
    • Founded 2021
  12. 12
    Mediar Therapeutics· Boston, Massachusetts, United States
    • Series B
    • 53 employees
    • Founded 2019
  13. 13
    Stellaromics Inc.· Boston, Massachusetts, United States
    • Series B
    • 52 employees
    • Founded 2022
  14. 14
    Atalanta Therapeutics· Boston, Massachusetts, United States
    • Series B
    • 51 employees
    • Founded 2018
  15. 15
    Cerevance· Boston, Massachusetts, United States
    • Series B
    • 37 employees
    • Founded 2016
  16. 16
    PureTech· Boston, Massachusetts, United States
    • Series B
    • 29 employees
    • Founded 2006
  17. 17
    NodThera· Boston, Massachusetts, United States
    • Series B
    • 23 employees
    • Founded 2016
  18. 18
    Ace Vision Group· Boston, Massachusetts, United States
    • Series B
    • 20 employees
    • Founded 2006
  19. 19
    Chroma Medicine· Boston, Massachusetts, United States
    • Series B
    • 18 employees
    • Founded 2021
  20. 20
    DermBiont, Inc.· Boston, Massachusetts, United States
    • Series B
    • 15 employees
    • Founded 2017
  21. 21
    Imbria Pharmaceuticals· Boston, Massachusetts, United States
    • Series B
    • 15 employees
    • Founded 2018
  22. 22
    Elion Therapeutics· Boston, Massachusetts, United States
    • Series B
    • 14 employees
    • Founded 2017
  23. 23
    Invetx - a Dechra Division· Boston, Massachusetts, United States
    • Series B
    • 13 employees
    • Founded 2018
  24. 24
    NFlection Therapeutics· Boston, Massachusetts, United States
    • Series B
    • 9 employees
    • Founded 2014
  25. 25
    OncoPep, Inc.· Boston, Massachusetts, United States
    • Series B
    • 4 employees
    • Founded 2010

Find engineers at Series B Biotech companies in Boston

Searching for “engineers at top Series B Biotech companies in Boston” surfaces this slice of the market. The list above ranks Biotech companies headquartered in Boston whose latest disclosed round is Series B, by current headcount, drawn from public LinkedIn and Crunchbase records. With 25 matching companies in our index, this is a tight read on where the Biotech talent in Boston is heating up.

Three filters at once narrows the field hard. The companies that survive all three — Series B, Biotech, in Boston — are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Biotech’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series B Biotech companies in Boston hiring” or “founders of Series B Biotech companies in Boston who left in the last year” and Refolk returns a ranked shortlist with the evidence behind each match.

How this list is built

Refolk pulled Biotech companies headquartered in Boston whose latest disclosed funding round is Series B from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 08:10:21 GMT

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