United States · Funded startup

Who invested in Plextronics

10 rounds we have observed, with the 8 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.

Hardware & Electronics

Funding summaryUpdated 26 Oct 2026

$55Mraised across 10 rounds since 2004, from 10 sources

$3.4MVenture$21MSeries B$1.2MVenture$14MSeries B$5.6MDebt$3.0MDebt$4.0MDebt$2.5MDebt$573KDebt
Latest round
Debt, $573KOct 2013
Biggest round
$21MSeries B · Aug 2007
Investors
8
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.

20042006200820102012
$3.4MVenture$21MSeries B?Venture$1.2MVenture$14MSeries B$5.6MDebt$3.0MDebt$4.0MDebt$2.5MDebt$573KDebt
First round
Venture, $3.4M
May 2004
Biggest round
$21M
Series B · Aug 2007
Usual gap between rounds
10 months
the median of 9

The rounds

  1. Oct 2013
    Debt$573K

    No investor was named in the report.

    Reported by sec.govSEC filing: $573K sold, first sale Sept 2013

  2. Jun 2013
    Debt$2.5M

    No investor was named in the report.

    Reported by sec.govSEC filing: $2.5M sold, first sale May 2013

  3. Jul 2012
    Debt$4.0M

    No investor was named in the report.

    Reported by sec.govSEC filing: $4.0M sold, first sale Jul 2012

  4. Apr 2012
    Debt$3.0M

    No investor was named in the report.

    Reported by sec.govSEC filing: $3.0M sold, first sale Apr 2012

  5. Jul 2011
    Debt$5.6M

    No investor was named in the report.

    From a historical funding recordSEC filing: $5.6M sold, first sale Jun 2011

  6. Aug 2009
    Series B$14M1 returning

    Reported by green.venturebeat.comSEC filing: $13M sold, first sale Jun 2009

  7. Oct 2008
    Venture$1.2M

    No investor was named in the report.

    Reported by plextronics.com

  8. Nov 2007
    VentureAmount undisclosed1 new

    From a historical funding record

  9. Aug 2007
  10. May 2004
    Venture$3.4M2 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.

Venture2007Venture2008Series B2009Debt2011Debt2012Debt2012Debt2013Debt2013SolvayInnovation WorksBirchmere VenturesApplied VenturesFirelake Capital ManagementDraper TriangleNewlin Investment CompanySmithfield Trust

The exit

ExitBuyerPriceWhen
AcquiredSolvayundisclosedMar 2014

From historical deal records. Wrong? Tell us.

Everyone who backed them

SolvayVC firm2rounds
Innovation WorksGovernment1round
Birchmere VenturesVC firm1round
Applied VenturesCorporate VC1round
Firelake Capital ManagementGrowth equity1round
Draper TriangleVC firm1round
Newlin Investment CompanyPrivate equity1round
Smithfield Trustno record of our own yet1round

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

Quick answers about Plextronics

Who invested in Plextronics?

Plextronics's investors include Solvay, Innovation Works, Birchmere Ventures, Applied Ventures and Firelake Capital Management, and 3 more on record.

How much has Plextronics raised?

Plextronics has raised $55M across 10 rounds since 2004. One round did not disclose an amount, so the total is a floor.

When did Plextronics last raise?

Plextronics's most recent round was a Debt of $573K in Oct 2013.

What was Plextronics's biggest round?

Plextronics's largest round on record is $21M (Series B), in Aug 2007.

Who backed Plextronics first?

Plextronics's first round on record, in May 2004, was backed by Innovation Works and Smithfield Trust.

What stage is Plextronics at?

Plextronics's latest named round is a Debt, in Oct 2013.

Where is Plextronics based?

Plextronics is based in the United States.

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