United States · Series C startup

Who invested in Ciris Energy

3 rounds we have observed, with the 5 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.

Chemicals & Materials

Funding summaryUpdated 26 Oct 2026

$49Mraised across 3 rounds since 2010, from 3 sources

$24MSeries B$25MSeries C
Latest round
Series C, $25MJul 2013
Investors
5
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.

2010201120122013
?Series A$24MSeries B$25MSeries C
First round
Series A
Jan 2010
Biggest round
$25M
Series C · Jul 2013
Usual gap between rounds
2.6 years
the median of 2

The rounds

  1. Jul 2013
    Series C$25M1 new

    Reported by finsmes.com

  2. Jan 2011
    Series B$24M1 new3 returning

    Reported by techcrunch.comSEC filing: $24M sold, first sale Dec 2010

  3. Jan 2010
    Series AAmount undisclosed3 new

    Reported by finsmes.comSEC filing: $4.0M sold, first sale Jan 2010

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

Rho Capital PartnersPrivate equity2rounds
GE Energy Financial ServicesInvestment firm2rounds
Khosla VenturesVC firm1round
APC InvestorsInvestment firm1round

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

Quick answers about Ciris Energy

Who invested in Ciris Energy?

Ciris Energy's investors include Rho Capital Partners, Braemar Energy Ventures, GE Energy Financial Services, Khosla Ventures and APC Investors.

How much has Ciris Energy raised?

Ciris Energy has raised $49M across 3 rounds since 2010. One round did not disclose an amount, so the total is a floor.

When did Ciris Energy last raise?

Ciris Energy's most recent round was a Series C of $25M in Jul 2013.

What was Ciris Energy's biggest round?

Its most recent round, $25M in Jul 2013, is also its largest on record.

Who backed Ciris Energy first?

Ciris Energy's first round on record, in Jan 2010, was backed by Rho Capital Partners, Braemar Energy Ventures and GE Energy Financial Services.

What stage is Ciris Energy at?

Ciris Energy's latest named round is a Series C, in Jul 2013.

Where is Ciris Energy based?

Ciris Energy is based in the United States.

Companies like Ciris Energy

In the same sector, and raised in the last eighteen months.

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