Investor

Baker Brothers Investments

Last cheque observed Apr 2013. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

QuietGrowth equity

Series FSeries BSeries C

Cheques on record
0%of best year0cheques in 12 months, 11 on record
Since the last cheque4954days00hrs00min00sec
Median round$25MRounds led0 of 11Exits1 from the portfolioMostly inUnited States, 82%
Pitch Baker Brothers Investments

Baker Brothers Investments highlights

  1. 01

    11 rounds on record

  2. 02

    Mostly Series F and Series B: 45% of its rounds

  3. 03

    1 exits from the portfolio

What they do

Type
Growth equity (from a list, unverified)
Cheque size
Not stated
Based in
NEW YORK
Cold pitches
Not stated

The record

Every round we can evidence, newest first11 appearances

  1. 2013

    1 round

  2. Apr
    Aquinox PharmaceuticalsSeries C · CA · finance.yahoo.com$18MWith 4 others
  3. 2012

    1 round

  4. Oct
    Presidio PharmaceuticalsVenture · US$8.0MWith 2 others
  5. 2011

    1 round

  6. Mar
    Synageva BioPharmaVenture · US · masshightech.com$25MWith 3 others
  7. 2010

    1 round

  8. Jun
    Aquinox PharmaceuticalsSeries B · CA · aqxpharma.com$25MWith 3 others
  9. 2009

    4 rounds

  10. Oct
    Synageva BioPharmaSeries F · US · altassets.net$12MWith 4 others
  11. Jul
    PharmAtheneSecondary · US · ir.pharmathene.com$19MWith 3 others
  12. Apr
    Synageva BioPharmaSeries F · US · pehub.com$30MWith 1 other
  13. Feb
    diaDexusSeries F · US · deals.stage.venturebeat.com$9.2MWith 2 others
  14. 2007

    3 rounds

  15. Aug
    Presidio PharmaceuticalsSeries B · US · presidiopharma.com$26MWith 4 others
  16. Mar
    PhenomixSeries C · US · phenomixcorp.com$55MWith 10 others
  17. Jan
    diaDexusSeries E · US · scalevp.com$40MWith 6 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 registration4 named

AAAlexandra Ann TooheyChief Financial OfficeriForm ADV
FJFelix James BakerLimited PartneriForm ADV
JCJulian Charles BakerLimited PartneriForm ADV
SLScott Lawrence LessingPresident, Chief Compliance OfficeriForm ADV

We also hold 4 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

$28Bassets it managesOct 2026
Registeredinvestment adviserfull reporting to the SEC
Legal name
Baker Bros. Advisors LP
SEC number
CRD 158149

Funds on its Form ADV

2 private funds, $22B in gross assets · filed Mar 2024

  1. Baker Brothers Life Sciences, L.P.Hedge330 investors$20B
  2. 667, L.P.Hedge9 investors$1.5B

Exits from the portfolio

Companies it backed that were later bought or listed1 in all

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 Baker Brothers Investments. A count of rooms they were both in, not a relationship either has claimed.

Quick answers about Baker Brothers Investments

What does Baker Brothers Investments invest in?

Baker Brothers Investments invests most often at Series F and Series B (45% of the rounds on record).

How active is Baker Brothers Investments?

11 investments on record, 0 of them in the last 12 months. The most recent was in Apr 2013.

How big are Baker Brothers Investments's cheques?

The median round it joins is $25M.

Does Baker Brothers Investments lead rounds?

Rarely, if at all: none of its 11 investments on record names it as the lead.

Where does Baker Brothers Investments invest?

Most of the companies it backs are in the United States (82%) and Canada (18%).

Is Baker Brothers Investments investing now?

No investments in the last 12 months; the latest was in Apr 2013.

Who does Baker Brothers Investments invest alongside?

Most often New Leaf Venture Partners (3 rounds together), Ventures West (3 rounds together) and Bay City Capital (2 rounds together).

What kind of investor is Baker Brothers Investments?

Baker Brothers Investments is a growth equity firm based in NEW YORK.

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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