United States · Series B startup

Who invested in Petra Systems

2 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.

Cleantech

Funding summaryUpdated 26 Oct 2026

$54Mraised across 2 rounds since 2007, from 2 sources

$14MSeries A$40MSeries B
Latest round
Series B, $40MFeb 2010
Step-upi
2.9×
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.

200820092010
$14MSeries A$40MSeries B
First round
Series A, $14M
May 2007
Biggest round
$40M
Series B · Feb 2010
Between rounds
2.8 years
from the last two

The rounds

  1. Feb 2010
  2. May 2007
    Series A$14M3 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

BlueRun VenturesVC firm1round
Craton Equity PartnersInvestment firm1round
NTECGovernment1round
DFJ ElementVC firm1round

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

Quick answers about Petra Systems

Who invested in Petra Systems?

Petra Systems's investors include BlueRun Ventures, Espí­rito Santo Ventures, Craton Equity Partners, OnPoint Technologies and NTEC, and 1 more on record.

How much has Petra Systems raised?

Petra Systems has raised $54M across 2 rounds since 2007.

When did Petra Systems last raise?

Petra Systems's most recent round was a Series B of $40M in Feb 2010.

What was Petra Systems's biggest round?

Its most recent round, $40M in Feb 2010, is also its largest on record.

Who backed Petra Systems first?

Petra Systems's first round on record, in May 2007, was backed by BlueRun Ventures, NTEC and DFJ Element.

What stage is Petra Systems at?

Petra Systems's latest named round is a Series B, in Feb 2010.

Where is Petra Systems based?

Petra Systems is based in the United States.

Companies like Petra Systems

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