United States · Venture startup

Who invested in Ambit Biosciences

7 rounds we have observed, with the 16 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.

Funding summaryUpdated 26 Oct 2026

$194Mraised across 7 rounds since 2005, from 7 sources

$31MSeries C$49MSeries D$6.4MDebt$12MSeries D$15MDebt$30MSeries D$50MVenture
Latest round
Venture, $50MNov 2012
Step-upi
1.7×
Investors
16
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.

20052006200720082009201020112012
$31MSeries C$49MSeries D$6.4MDebt$12MSeries D$15MDebt$30MSeries D$50MVenture
First round
Series C, $31M
May 2005
Biggest round
$50M
Venture · Nov 2012
Usual gap between rounds
17 months
the median of 6

The rounds

  1. Nov 2012
  2. Jun 2011
  3. Oct 2010
    Debt$15M

    No investor was named in the report.

    From a historical funding recordSEC filing: $15M sold, first sale Sept 2010

  4. Apr 2010
    Series D$12M

    No investor was named in the report.

    From a historical funding recordSEC filing: $12M sold, first sale Mar 2010

  5. Jun 2009
    Debt$6.4M

    No investor was named in the report.

    From a historical funding recordSEC filing: $6.4M sold, first sale Jun 2009

  6. Nov 2007
  7. May 2005

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
AcquiredDaiichi Sankyo$410MSept 2014

From historical deal records. Wrong? Tell us.

Everyone who backed them

GimvPrivate equity4rounds
Roche Venture FundCorporate VC4rounds
Forward VenturesAccelerator4rounds
OrbiMedPrivate equity3rounds
MedImmune VenturesCorporate VC3rounds
Radius VenturesVC firm3rounds
Apposite CapitalVC firm3rounds
Avalon VenturesVC firm2rounds
GrowthWorksVC firm2rounds
Horizon Technology FinanceVenture debt2rounds
GeneChemGrowth equity2rounds
Aisling CapitalPrivate equity1round
NovaQuestPrivate equity1round
QuintilesCorporate VC1round

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

Quick answers about Ambit Biosciences

Who invested in Ambit Biosciences?

Ambit Biosciences's investors include Gimv, Roche Venture Fund, Forward Ventures, OrbiMed and MedImmune Ventures, and 11 more on record.

How much has Ambit Biosciences raised?

Ambit Biosciences has raised $194M across 7 rounds since 2005.

When did Ambit Biosciences last raise?

Ambit Biosciences's most recent round was a Venture of $50M in Nov 2012.

What was Ambit Biosciences's biggest round?

Its most recent round, $50M in Nov 2012, is also its largest on record.

Who backed Ambit Biosciences first?

Ambit Biosciences's first round on record, in May 2005, was backed by Avalon Ventures, Gimv and Roche Venture Fund and 4 others.

What stage is Ambit Biosciences at?

Ambit Biosciences's latest named round is a Venture, in Nov 2012.

Where is Ambit Biosciences based?

Ambit Biosciences is based in the United States.

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