United States · Funded startup

Who invested in Sitrion

9 rounds we have observed, with the 4 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.

IT Services

Funding summaryUpdated 26 Oct 2026

$46Mraised across 9 rounds since 2004, from 9 sources

$1.4MSeries A$8.6MSeries B$6.0MRound$7.0MSeries D$12MSeries E$10MSeries F$319KVenture$19KSeed$500KRound
Latest round
Round, $500KJul 2014
Biggest round
$12MSeries E · Dec 2007
Step-upi
26.4×
Investors
4
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.

200420062008201020122014
$1.4MSeries A$8.6MSeries B$7.0MSeries D$12MSeries E$10MSeries F$319KVenture$19KSeed$500KRound
First round
Series A, $1.4M
Jun 2004
Biggest round
$12M
Series E · Dec 2007
Usual gap between rounds
14 months
the median of 8

The rounds

  1. Jul 2014
    Round$500K

    No investor was named in the report.

    From a historical funding recordSEC filing: $500K sold, first sale Jun 2014

  2. Nov 2011
    Seed$19K

    No investor was named in the report.

    Reported by sec.gov

  3. Feb 2010
    Venture$319K

    No investor was named in the report.

    Reported by sec.gov

  4. Dec 2008
  5. Dec 2007
  6. Apr 2006
    Series D$7.0M2 returning

    Reported by paidcontent.org

  7. Apr 2005
    Round$6.0M1 returning

    From a historical funding record

  8. Nov 2004
    Series B$8.6M1 new1 returning

    Reported by newsgator.com

  9. Jun 2004
    Series A$1.4M1 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 B2004Round2005Series D2006Series E2007Series F2008Venture2010Seed2011Round2014Mobius Venture CapitalMV PartnersVista VenturesMasthead Venture Partners

Everyone who backed them

Mobius Venture CapitalGrowth equity6rounds
MV PartnersVC firm3rounds
Vista VenturesGrowth equity2rounds

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

Quick answers about Sitrion

Who invested in Sitrion?

Sitrion's investors include Mobius Venture Capital, MV Partners, Vista Ventures and Masthead Venture Partners.

How much has Sitrion raised?

Sitrion has raised $46M across 9 rounds since 2004.

When did Sitrion last raise?

Sitrion's most recent round was an Undisclosed round of $500K in Jul 2014.

What was Sitrion's biggest round?

Sitrion's largest round on record is $12M (Series E), in Dec 2007.

Who backed Sitrion first?

Sitrion's first round on record, in Jun 2004, was backed by Mobius Venture Capital.

What stage is Sitrion at?

Sitrion's latest named round is an Undisclosed round, in Jul 2014.

Where is Sitrion based?

Sitrion is based in the United States.

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