Germany · Series D startup

Who invested in Isar Aerospace

2 rounds we have observed, with the 11 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.

Aerospace & SpaceDefence Tech

Raised 5 months ago

Funding summaryUpdated 26 Oct 2026

$487Mraised across 2 rounds since 2025, from 3 sources

$175MRound$312MSeries D
Latest round
Series D, $312MJun 2026
Led by
Molten Ventures and Island Green Capital
Step-upi
1.8×
Investors
11 (2 led)
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.

2026
$175MRound$312MSeries D
First round
Round, $175M
Jun 2025
Biggest round
$312M
Series D · Jun 2026
Between rounds
12 months
from the last two

The rounds

  1. Jun 2026
    Series D$312M6 new3 returning

    Reported by Ventureburn and 1 other

  2. Jun 2025
    Round$175M5 new

    Source recorded

Founders and team

From Isar Aerospace's own website: 3 on the team.

  • Daniel MetzlerChief Executive Officer
  • Can ArazChief Technology Officer
  • Stella GuillenChief Commercial Officer

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.

Round2025Series D2026HV CapitalLakestarVsquared VenturesMolten VenturesLIsland Green CapitalLEarlybird Venture CapitalBayern KapitalUVC PartnersEldridgeNATO Innovation Fund (NIF)

Everyone who backed them

HV CapitalVC firm2rounds
LakestarVC firm2rounds
Vsquared VenturesVC firm2rounds
Molten VenturesVC firm1round, led 1
Island Green CapitalVC firm1round, led 1
Earlybird Venture CapitalVC firm1round
Bayern KapitalGovernment1round
UVC PartnersVC firm1round
EldridgePrivate equity1round
NATO Innovation Fund (NIF)VC firm1round
KfW CapitalFund of funds1round

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

Also claim to have backed them

These 3 firms list Isar Aerospace as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Cipio PartnersPrivate equityPer its own site
CoastCapFamily officePer its own site
VONROSENFamily officePer its own site

Quick answers about Isar Aerospace

Who invested in Isar Aerospace?

Isar Aerospace's investors include HV Capital, Lakestar, Vsquared Ventures, Molten Ventures and Island Green Capital, and 6 more on record. Molten Ventures led its latest round.

How much has Isar Aerospace raised?

Isar Aerospace has raised $487M across 2 rounds since 2025.

When did Isar Aerospace last raise?

Isar Aerospace's most recent round was a Series D of $312M in Jun 2026, led by Molten Ventures.

What was Isar Aerospace's biggest round?

Its most recent round, $312M in Jun 2026, is also its largest on record.

Who backed Isar Aerospace first?

Isar Aerospace's first round on record, in Jun 2025, was backed by Bayern Kapital, HV Capital and Lakestar and 2 others.

What stage is Isar Aerospace at?

Isar Aerospace's latest named round is a Series D, in Jun 2026.

Where is Isar Aerospace based?

Isar Aerospace is based in Germany.

Who led Isar Aerospace's rounds?

Molten Ventures led the Series D in 2026.

Companies like Isar Aerospace

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

The Exploration Company$610M · Sept 2026Helsing$3.7B · Jul 2026Quantum Systems$1.6B · Jul 2026STARK$576M · Jun 2026Maple Aviation$4.6M · Jun 2026LiveEO$33M · May 2026

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