United States · Investor

SR One

Last cheque observed Oct 2026; 139 cheques on record.

Deploying nowNew fund $237M, Oct 2025Corporate VC

SeedSeries ASeries BTelehealthHealth-techWell-being

Deploying now
67%of best year12cheques in 12 months, 139 on record
Since the last cheque2days00hrs00min00sec
Median round$66MRounds led2 of 139Sole investor5 roundsExits7 from the portfolioMostly inUnited States, 68%
Pitch SR One

SR One highlights

  1. 01

    12 cheques in the last 12 months

  2. 02

    Mostly Series B and Series A: 65% of its rounds

  3. 03

    Sole investor in 5 rounds, median $1.5M

  4. 04

    7 exits from the portfolio

What they do

A biotechnology venture capital firm, partnering with founders and entrepreneurs to translate innovative science into medicines.From their own website
Type
Corporate VC (from a list, unverified)
Cheque size
Not stated
Stages
SeedSeries ASeries BGrowthPre-IPO
Sectors
TelehealthHealth-techWell-being
Based in
San Francisco, United States
Cold pitches
Not stated

The record

Every round we can evidence, newest first139 appearances

  1. 2026

    11 rounds

  2. Oct
    Dren BioUS · Wowtale$350MWith 13 others
  3. Jul
    Crystalys TherapeuticsSeries B · Frazier Life Sciences$130MWith 10 others
  4. Jul
    FORE BiotherapeuticsSeries D · US · Ventureburn$67MLed
  5. Jul
    Draig TherapeuticsSeries B · GB · Jefferson Life Sciences$65MWith 6 others
  6. Jul
    Spero TherapeuticsDebt · US · HealthCare Royalty$105MWith 3 others
  7. Apr
    VeraDermicsUS$384MWith 3 others
  8. Mar
    ImmutrinSeries A · GB$87MWith 2 others
  9. Jan
    AlumisUS$345MWith 6 others
  10. Jan
    AirNexis TherapeuticsSeries A · US$200MWith 2 others
  11. Jan
    CORXEL PharmaceuticalsSeries D$287MWith 5 others
  12. Jan
    Poplar TherapeuticsSeries A · US$50MWith 1 other
  13. 2025

    13 rounds

  14. Dec
    Addition TherapeuticsSeries A · US$100MSole investor
  15. Oct
    VeraDermicsSeries C · US$150MWith 2 others
  16. Oct
    MISSION TherapeuticsVenture · GB$13MWith 3 others
  17. Oct
    Zenas BioPharmaUS$120MWith 4 others
  18. Sept
    ARS PharmaceuticalsDebt · US$100MWith 2 others
  19. Sept
    Odyssey TherapeuticsSeries D · US$213MWith 4 others
  20. Sept
    Crystalys TherapeuticsSeries A · US$205MWith 3 others
  21. Sept
    Avenzo TherapeuticsSeries B · US$60MWith 5 others
  22. Jun
    Draig TherapeuticsSeries A · GB$140MWith 2 others
  23. May
    Fore BiotherapeuticsSeries D · US$40MWith 3 others
  24. May
    ORIC PharmaceuticalsUS$125MWith 3 others
  25. Feb
    ADARx PharmaceuticalsVenture · USUndisclosedWith 6 others
  26. Jan
    Windward BioSeries A · CH$200MWith 4 others
  27. 2024

    9 rounds

  28. Dec
    Antag TherapeuticsSeries A · DK$84MWith 4 others
  29. Dec
    Akamis BioSeries A · GB$60MWith 2 others
  30. Sept
    NomicSeries B · CA$42MWith 2 others
  31. Aug
    ElektrofiSeries C · US$112MWith 5 others
  32. Jul
    Renalys PharmaSeries A · JP$39MWith 1 other
  33. Jul
    AsceneuronSeries C · CH$100MWith 4 others
  34. Jul
    Dren BioVenture · US$25MWith 4 others
  35. May
    Zenas BioPharmaSeries C · US · Tellus BioVentures$200MLed
  36. Jan
    Effector TherapeuticsUS$15MWith 2 others
  37. 2023

    2 rounds

  38. Nov
    ArcellxUS$200MWith 4 others
  39. May
    Morphic TherapeuticUS$276MWith 5 others
  40. 2022

    5 rounds

  41. Dec
    PulmocideSeries C · GB$52MWith 3 others
  42. Sept
    Spero TherapeuticsUS$9.0MWith 3 others
  43. Jun
    Ancora BiotechSeries A · US$60MWith 1 other
  44. Jun
    MiroBioSeries B · GB$97MWith 3 others
  45. Jan
    Simcha TherapeuticsSeries B · US$40MWith 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 registration5 named

JCJames Chalmers MacadamCFOiForm ADV
MFMatthew FoyPartner of GPiFiling they signed
RDRajeev DadooLimited Partner; Managing Partner; COOiForm ADV
SOSasha Oshrine KeoughCCOiForm ADV
SJSimeon John GeorgeManaging Member of the Ultimate Managing MemberiFiling they signed

We also hold 17 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.

What the register says

From the firm's own filings with the SEC, which it must file accurately by law

$2.4Bassets it managesOct 2026
Registeredinvestment adviserfull reporting to the SEC
Legal name
SR ONE Capital Management, LP
SEC number
CRD 306361

Funds on its Form ADV

17 private funds, $1.6B in gross assets · filed Jul 2024

  1. SR One Capital Fund II Aggregator, L.P.Private equity69 investors$580M
  2. SR One Capital Fund I Aggregator, L.P.Private equity34 investors$505M
  3. SR One Capital Opportunities Fund I, L.P.Private equity7 investors$203M
  4. AMZL, L.P.Private equity2 investors$150M
  5. SR One Co-Invest II, LLCPrivate equity2 investors$65M
  6. SR One Co-Invest III, LLCPrivate equity2 investors$18M
  7. SR One Co-Invest IV, LLCPrivate equity2 investors$18M
  8. SR One Co-Invest XI, LLCPrivate equity5 investors$15M
  9. SR One Co-Invest IV-A, LLCPrivate equity4 investors$11M
  10. SR One Co-Invest VI, LLCPrivate equity2 investors$5.5M

And 7 more on the filing.

Who backs their funds

1 LP on record in SR One's funds

Committed
$841M
Funds
4
Vintages
2023 to 2025

The institutions that put money into its funds, which the firm then invests in companies.Source: the pension's own report, latest Mar 2026.

Exits from the portfolio

Companies it backed that were later bought or listed7 in all

Alios BioPharmaBought by Johnson & Johnson$1.8BSept 2014
iPierianBought by Bristol-Myers Squibb$175MApr 2014
NuPatheBought by Endo Health Solutions$105MDec 2013
SyntaxinBought by Ipsen$206MJul 2013
Semprus BioSciencesBought by Teleflex$30MJun 2012
NuPatheListedUndisclosedAug 2010
AblynxListedUndisclosedNov 2007

An exit counts when it came after the firm's first round in the company. From historical deal records.

Who they invest alongside

The investors most often in the same rounds as SR One. A count of rooms they were both in, not a relationship either has claimed.

Recently backed

The latest companies SR One put money into.

Quick answers about SR One

What does SR One invest in?

SR One invests most often at Series B and Series A (65% of the rounds on record), in sectors such as Telehealth, Health-tech and Well-being.

How active is SR One?

139 investments on record, 12 of them in the last 12 months, and it led 2. The most recent was in Oct 2026.

What has SR One invested in recently?

Its most recent investments on record: Dren Bio (Undisclosed round, Oct 2026), Crystalys Therapeutics (Series B, Jul 2026) and FORE Biotherapeutics (Series D, Jul 2026).

How big are SR One's cheques?

The median round it joins is $66M.

Does SR One lead rounds?

Sometimes: it led 2 of its 139 investments on record (1%).

Where does SR One invest?

Most of the companies it backs are in the United States (68%), the United Kingdom (18%) and Switzerland (5%).

Is SR One investing now?

Yes: it is actively investing, with 12 investments in the last 12 months.

Who does SR One invest alongside?

Most often OrbiMed (15 rounds together), Atlas Venture (13 rounds together) and Novartis Venture Fund (10 rounds together).

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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it