Germany · Series E startup

Who invested in Sunfire

4 rounds we have observed, with the 9 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.

CleantechEnergy

Funding summaryUpdated 26 Oct 2026

$281Mraised across 4 rounds since 2012, from 4 sources

$7.8MSeries A$11MSeries B$29MRound$233MSeries E
Latest round
Series E, $233MMar 2024
Step-upi
8.2×
Investors
9
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.

201420162018202020222024
$7.8MSeries A$11MSeries B$29MRound$233MSeries E
First round
Series A, $7.8M
Nov 2012
Biggest round
$233M
Series E · Mar 2024
Usual gap between rounds
4.8 years
the median of 3

The rounds

  1. Mar 2024
    Series E$233M2 new

    Source recorded

  2. Jan 2019
    Round$29M3 new

    Reported by Tech.eu

  3. Feb 2014
    Series B$11M1 new3 returning

    From a historical funding record

  4. Nov 2012
    Series A$7.8M3 new

    From a historical funding record

Founders and team

From Sunfire's own website: 2 founders, 2 on the team.

Nils AldagCEO & Founder
Christian von OlshausenCTO & Founder
  • Frank PosnanskiCFO
  • Jens HennebergCOO

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 A2012Series B2014Round2019Series E2024Total Energy VenturesBilfinger Venture CapitalElectranova CapitalEuropean Investment BankIdinvest PartnersLightrockTotal EnergyCarl BerninghausenPaul Wurth S.A./ INVEN

Everyone who backed them

Total Energy VenturesVC firm2rounds
Electranova CapitalGrowth equity2rounds
European Investment BankGovernment1round
Idinvest PartnersPrivate equity1round
LightrockVC firm1round
Total EnergyInvestment firm1round
Carl Berninghausenno record of our own yet1round
Paul Wurth S.A./ INVENno record of our own yet1round

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

Also claim to have backed them

This firm lists Sunfire as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Planet First PartnersGrowth equityPer its own site

Quick answers about Sunfire

Who invested in Sunfire?

Sunfire's investors include Total Energy Ventures, Bilfinger Venture Capital, Electranova Capital, European Investment Bank and Idinvest Partners, and 4 more on record.

How much has Sunfire raised?

Sunfire has raised $281M across 4 rounds since 2012.

When did Sunfire last raise?

Sunfire's most recent round was a Series E of $233M in Mar 2024.

What was Sunfire's biggest round?

Its most recent round, $233M in Mar 2024, is also its largest on record.

Who backed Sunfire first?

Sunfire's first round on record, in Nov 2012, was backed by Total Energy Ventures, Bilfinger Venture Capital and Electranova Capital.

What stage is Sunfire at?

Sunfire's latest named round is a Series E, in Mar 2024.

Where is Sunfire based?

Sunfire is based in Germany.

Companies like Sunfire

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

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.