United States · Venture startup

Who invested in AkaRx

6 rounds we have observed, with the 2 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.

Pharma

Funding summaryUpdated 26 Oct 2026

$52Mraised across 6 rounds since 2005, from 6 sources

$6.0MSeries A$8.1MSeries A$2.0MSeries A$5.0MVenture$5.0MVenture$26MVenture
Latest round
Venture, $26MJan 2010
Step-upi
5.2×
Investors
2
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.

20062007200820092010
$6.0MSeries A$8.1MSeries A$2.0MSeries A$5.0MVenture$5.0MVenture$26MVenture
First round
Series A, $6.0M
Aug 2005
Biggest round
$26M
Venture · Jan 2010
Usual gap between rounds
5 months
the median of 5

The rounds

  1. Jan 2010
  2. Jul 2007
    Venture$5.0M

    No investor was named in the report.

    From a historical funding record

  3. Feb 2007
    Venture$5.0M

    No investor was named in the report.

    From a historical funding record

  4. Oct 2006
    Series A$2.0M2 returning

    From a historical funding record

  5. May 2006
    Series A$8.1M2 returning

    From a historical funding record

  6. Aug 2005
    Series A$6.0M2 new

    From a historical funding record

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.

Series A2005Series A2006Series A2006Venture2007Venture2007Venture2010InterWest PartnersSutter Hill Ventures

The exit

ExitBuyerPriceWhen
AcquiredEisai$255MJan 2010

From historical deal records. Wrong? Tell us.

Everyone who backed them

InterWest PartnersVC firm4rounds
Sutter Hill VenturesVC firm4rounds

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

Quick answers about AkaRx

Who invested in AkaRx?

AkaRx's investors include InterWest Partners and Sutter Hill Ventures.

How much has AkaRx raised?

AkaRx has raised $52M across 6 rounds since 2005.

When did AkaRx last raise?

AkaRx's most recent round was a Venture of $26M in Jan 2010.

What was AkaRx's biggest round?

Its most recent round, $26M in Jan 2010, is also its largest on record.

Who backed AkaRx first?

AkaRx's first round on record, in Aug 2005, was backed by InterWest Partners and Sutter Hill Ventures.

What stage is AkaRx at?

AkaRx's latest named round is a Venture, in Jan 2010.

Where is AkaRx based?

AkaRx is based in the United States.

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