United States · Series D startup

Who invested in KOTURA

4 rounds we have observed, with the 6 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

$39Mraised across 4 rounds since 2004, from 4 sources

$11MVenture$13MSeries B$10MSeries C$4.7MSeries D
Latest round
Series D, $4.7MNov 2009
Biggest round
$13MSeries B · Sept 2005
Investors
6
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.

20052006200720082009
$11MVenture$13MSeries B$10MSeries C$4.7MSeries D
First round
Venture, $11M
Jun 2004
Biggest round
$13M
Series B · Sept 2005
Usual gap between rounds
21 months
the median of 3

The rounds

  1. Nov 2009
    Series D$4.7M

    No investor was named in the report.

    Reported by sec.govSEC filing: $4.7M sold, first sale Nov 2009

  2. Feb 2008
  3. Sept 2005
  4. Jun 2004
    Venture$11M2 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.

Everyone who backed them

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

Quick answers about KOTURA

Who invested in KOTURA?

KOTURA's investors include ARCH Venture Partners, ComVentures, GF Private Equity Group, Viterbi Group and Velocity Interactive Group, and 1 more on record.

How much has KOTURA raised?

KOTURA has raised $39M across 4 rounds since 2004.

When did KOTURA last raise?

KOTURA's most recent round was a Series D of $4.7M in Nov 2009.

What was KOTURA's biggest round?

KOTURA's largest round on record is $13M (Series B), in Sept 2005.

Who backed KOTURA first?

KOTURA's first round on record, in Jun 2004, was backed by ARCH Venture Partners and ComVentures.

What stage is KOTURA at?

KOTURA's latest named round is a Series D, in Nov 2009.

Where is KOTURA based?

KOTURA is based in the United States.

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