United States · Series C startup

Who invested in Calistoga Pharmaceuticals

5 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Funding summaryUpdated 26 Oct 2026

$97Mraised across 5 rounds since 2007, from 5 sources

$21MSeries A$5.2MSeries A$1.0MSeries A$30MSeries B$40MSeries C
Latest round
Series C, $40MJun 2010
Step-upi
1.3×
Investors
8
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2007200820092010
$21MSeries A$5.2MSeries A$1.0MSeries A$30MSeries B$40MSeries C
First round
Series A, $21M
Mar 2007
Biggest round
$40M
Series C · Jun 2010
Usual gap between rounds
14 months
the median of 4

The rounds

  1. Jun 2010
    Series C$40M2 new4 returning

    Reported by calistogapharma.comSEC filing: $19M sold, first sale Jun 2010

  2. May 2009
    Series B$30M4 returning

    From a historical funding recordSEC filing: $15M sold, first sale May 2009

  3. Mar 2009
    Series A$1.0M

    No investor was named in the report.

    From a historical funding recordSEC filing: $1.0M sold, first sale Mar 2009

  4. Jan 2008
    Series A$5.2M2 new2 returning

    From a historical funding record

  5. Mar 2007

Founders and team

From the SEC filings it signed: 5 on the team.

  • Andrew Michael GuggenhimeExecutive Officeri
  • Carol GallagherExecutive Officer, Directori
  • Clifford Michael StocksExecutive Officeri
  • Langdon Michael MillerExecutive Officeri
  • W. Michael GallatinDirector, Promoteri

On the board, as filediEdward Michael HurwitzJames Michael TopperRichard Michael LinRobert Lee Douglas

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

The exit

ExitBuyerPriceWhen
AcquiredGilead Sciences$375MFeb 2011

From historical deal records. Wrong? Tell us.

Everyone who backed them

Alta PartnersVC firm4rounds
Three Arch PartnersGrowth equity4rounds
Frazier Healthcare PartnersPrivate equity3rounds
AmgenCorporate VC3rounds
Frazier Technology VenturesGrowth equity1round
Amgen VenturesGrowth equity1round
Quogue Capitalno record of our own yet1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Calistoga Pharmaceuticals

Who invested in Calistoga Pharmaceuticals?

Calistoga Pharmaceuticals's investors include Alta Partners, Three Arch Partners, Frazier Healthcare Partners, Amgen and Frazier Technology Ventures, and 3 more on record.

How much has Calistoga Pharmaceuticals raised?

Calistoga Pharmaceuticals has raised $97M across 5 rounds since 2007.

When did Calistoga Pharmaceuticals last raise?

Calistoga Pharmaceuticals's most recent round was a Series C of $40M in Jun 2010.

What was Calistoga Pharmaceuticals's biggest round?

Its most recent round, $40M in Jun 2010, is also its largest on record.

Who backed Calistoga Pharmaceuticals first?

Calistoga Pharmaceuticals's first round on record, in Mar 2007, was backed by Alta Partners, Frazier Healthcare Partners and Three Arch Partners and 1 others.

What stage is Calistoga Pharmaceuticals at?

Calistoga Pharmaceuticals's latest named round is a Series C, in Jun 2010.

Where is Calistoga Pharmaceuticals based?

Calistoga Pharmaceuticals is based in the United States.

Companies like Calistoga Pharmaceuticals

In the same sector, and raised in the last eighteen months.

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.