Flagship Pioneering

The record

Every round we can evidence, newest first53 appearances

1. 2026

   3 rounds

2. Apr
   Metaphore BiotechnologiesVenture · USUndisclosedWith 1 other
3. Apr
   Serif Bio­med­i­cinesVenture · US$50MSole investor
4. Jan
   Foghorn TherapeuticsUS$50MWith 3 others
5. 2025

   11 rounds

6. Dec
   Denali TherapeuticsDebt · US$200MWith 3 others
7. Oct
   Seres TherapeuticsGrant · US$3.6MWith 2 others
8. Oct
   Expedition MedicinesSeries A · US$50MSole investor
9. Sept
   Lila SciencesSeries A · US · TechStartups$235MWith 21 others
10. Sept
    ExtuitiveSeed · US$20MSole investor
11. Jul
    Terrana BiosciencesSeries B · US$50MSole investor
12. Apr
    EtiomeSeries A · US$50MSole investor
13. Mar
    IndigoVenture · US$1.5MWith 1 other
14. Mar
    Lila SciencesSeed · US · AlleyWatch$200MWith 8 others
15. Mar
    Ampersand BiomedicinesSeries B · US$65MWith 1 other
16. Jan
    HarbingerSeries B · US · TechCrunch$100MWith 14 others
17. 2024

    4 rounds

18. Sept
    Mirai BioSeries A · US$50MSole investor
19. Jul
    Apriori BioGrant · US$1.1MSole investor
20. May
    Prologue MedicinesSeries A · US$50MSole investor
21. Jan
    CIBOVenture · USUndisclosedWith 2 others
22. 2023

    7 rounds

23. Nov
    Quotient TherapeuticsSeed · GB$50MSole investor
24. Aug
    AlltrnaSeries B · US$109MSole investor
25. Jul
    Evelo BiosciencesUS$26MWith 2 others
26. Jun
    Empress TherapeuticsVenture · US$50MSole investor
27. May
    Metaphore BiotechnologiesVenture · US$50MSole investor
28. Mar
    Ring TherapeuticsSeries C · US$87MWith 3 others
29. Feb
    Omega TherapeuticsUS$40MWith 3 others
30. 2022

    8 rounds

31. Dec
    Montai TherapeuticsSeries A · US$50MSole investor
32. Oct
    CellaritySeries C · US$121MWith 1 other
33. Oct
    AxcellaUS$34MWith 1 other
34. Oct
    Valo HealthVenture · USUndisclosedWith 3 others
35. Sept
    Codiak BiosciencesUS$20MWith 4 others
36. Aug
    Senda BiosciencesSeries C · US$123MWith 3 others
37. May
    ProFound TherapeuticsSeries A · US$75MSole investor
38. Mar
    Vesalius TherapeuticsSeries A · US$75MSole investor
39. 2021

    6 rounds

40. Oct
    Invaio SciencesDebt · US$50MWith 1 other
41. Sept
    Tarveda TherapeuticsVenture · US$6.0MWith 3 others
42. Aug
    LarondeSeries B · US$440MWith 4 others
43. Apr
    Repertoire Immune MedicinesSeries B$189MWith 3 others
44. Mar
    Rubius Therapeutics$200MSole investor
45. Feb
    Kaleido BioSciences$60MWith 2 others
46. 2020

    1 round

47. Dec
    Sigilon Therapeutics$145MWith 3 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

The team

Named by the firm itself, on a filing, its Form ADV or its company registration1 named

We also hold 59 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.