United States · Venture startup

Who invested in OpGen

11 rounds we have observed, with the 13 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

$87Mraised across 11 rounds since 2005, from 11 sources

$5.0MSeries B$24MSeries A$4.1MDebt$4.0MDebt$17MSeries B$3.5MDebt$17MSeries C$4.0MDebt$1.1MDebt$1.2MDebt$6.0MVenture
Latest round
Venture, $6.0MJul 2015
Biggest round
$24MSeries A · Sept 2007
Step-upi
4.8×
Investors
13
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.

200520072009201120132015
$5.0MSeries B$24MSeries A$4.1MDebt$4.0MDebt$3.5MDebt$17MSeries C$4.0MDebt$1.1MDebt$6.0MVenture
First round
Series B, $5.0M
Jan 2005
Biggest round
$24M
Series A · Sept 2007
Usual gap between rounds
7 months
the median of 9

The rounds

  1. Jul 2015
    Venture$6.0M1 new

    From a historical funding recordSEC filing: $2.6M sold, first sale Jul 2015

  2. Feb 2015
    Debt$1.2M

    No investor was named in the report.

    From a historical funding recordSEC filing: $1.2M sold, first sale Feb 2015

  3. Jul 2014
    Debt$1.1M

    No investor was named in the report.

    From a historical funding recordSEC filing: $1.1M sold, first sale Jul 2014

  4. Apr 2014
    Debt$4.0M

    No investor was named in the report.

    From a historical funding recordSEC filing: $4.0M sold, first sale Dec 2013

  5. Mar 2012
    Series C$17M2 new4 returning

    Reported by finsmes.comSEC filing: $6.1M sold, first sale Mar 2012

  6. Feb 2012
    Debt$3.5M

    No investor was named in the report.

    Reported by sec.govSEC filing: $3.5M sold, first sale Nov 2011

  7. Sept 2010
    Series B$17M1 new4 returning

    Reported by opgen.comSEC filing: $9.2M sold, first sale Sept 2010

  8. May 2010
    Debt$4.0M

    No investor was named in the report.

    Reported by sec.govSEC filing: $4.0M sold, first sale Mar 2010

  9. Jan 2010
    Debt$4.1M

    No investor was named in the report.

    Reported by sec.govSEC filing: $4.0M sold, first sale Nov 2009

  10. Sept 2007
  11. Jan 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.

Everyone who backed them

Versant VenturesVC firm3rounds
CHL Medical PartnersVC firm3rounds
jVen CapitalGrowth equity2rounds
Mason WellsPrivate equity2rounds
In-Q-TelAccelerator1round
Harris & Harris GroupGrowth equity1round
Cross Creek CapitalVC firm1round
Stonehenge CapitalInvestment firm1round
Mason Wells Biomediacl FundGrowth equity1round

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

Quick answers about OpGen

Who invested in OpGen?

OpGen's investors include Highland Capital Partners, Versant Ventures, CHL Medical Partners, jVen Capital and Mason Wells, and 8 more on record.

How much has OpGen raised?

OpGen has raised $87M across 11 rounds since 2005.

When did OpGen last raise?

OpGen's most recent round was a Venture of $6.0M in Jul 2015.

What was OpGen's biggest round?

OpGen's largest round on record is $24M (Series A), in Sept 2007.

Who backed OpGen first?

OpGen's first round on record, in Jan 2005, was backed by Stonehenge Capital, State of Wisconsin Investment Board and Wisconsin Alumni Research Foundation and 1 others.

What stage is OpGen at?

OpGen's latest named round is a Venture, in Jul 2015.

Where is OpGen based?

OpGen is based in the United States.

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