United States · Funded startup

Who invested in Ophthonix

7 rounds we have observed, with the 7 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

$92Mraised across 7 rounds since 2004, from 7 sources

$16MSeries B$17MSeries C$35MSeries D$3.1MDebt$5.4MVenture$2.1MRound$14MDebt
Latest round
Debt, $14MOct 2011
Biggest round
$35MSeries D · Dec 2006
Step-upi
6.7×
Investors
7
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.

20042005200620072008200920102011
$16MSeries B$17MSeries C$35MSeries D$3.1MDebt$5.4MVenture$2.1MRound$14MDebt
First round
Series B, $16M
Jan 2004
Biggest round
$35M
Series D · Dec 2006
Usual gap between rounds
14 months
the median of 6

The rounds

  1. Oct 2011
    Debt$14M

    No investor was named in the report.

    Reported by sec.govSEC filing: $14M sold, first sale Oct 2011

  2. Jun 2011
    Round$2.1M

    No investor was named in the report.

    Reported by sec.govSEC filing: $2.1M sold, first sale Jun 2011

  3. Sept 2010
    Venture$5.4M

    No investor was named in the report.

    From a historical funding recordSEC filing: $5.4M sold, first sale Sept 2010

  4. Mar 2010
    Debt$3.1M

    No investor was named in the report.

    From a historical funding recordSEC filing: $3.1M sold, first sale Mar 2010

  5. Dec 2006
    Series D$35M1 new4 returning

    From a historical funding record

  6. Oct 2005
    Series C$17M3 new3 returning

    From a historical funding record

  7. Jan 2004
    Series B$16M3 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 B2004Series C2005Series D2006Debt2010Venture2010Round2011Debt2011Kleiner Perkins Caufield & ByersDeclaration PartnersEnterprise Partners Venture CapitalInterWest PartnersDAG VenturesWasatch AdvisorsTrex Enterprises

Everyone who backed them

Kleiner Perkins Caufield & ByersVC firm3rounds
Declaration PartnersFamily office3rounds
Enterprise Partners Venture CapitalVC firm3rounds
InterWest PartnersVC firm2rounds
DAG VenturesVC firm1round
Wasatch AdvisorsGrowth equity1round
Trex EnterprisesGrowth equity1round

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

Quick answers about Ophthonix

Who invested in Ophthonix?

Ophthonix's investors include Kleiner Perkins Caufield & Byers, Declaration Partners, Enterprise Partners Venture Capital, InterWest Partners and DAG Ventures, and 2 more on record.

How much has Ophthonix raised?

Ophthonix has raised $92M across 7 rounds since 2004.

When did Ophthonix last raise?

Ophthonix's most recent round was a Debt of $14M in Oct 2011.

What was Ophthonix's biggest round?

Ophthonix's largest round on record is $35M (Series D), in Dec 2006.

Who backed Ophthonix first?

Ophthonix's first round on record, in Jan 2004, was backed by Kleiner Perkins Caufield & Byers, Declaration Partners and Enterprise Partners Venture Capital.

What stage is Ophthonix at?

Ophthonix's latest named round is a Debt, in Oct 2011.

Where is Ophthonix based?

Ophthonix is based in the United States.

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