# Isar Aerospace funding: rounds and investors

> Isar Aerospace has raised $487M across 2 rounds since 2025. Investors include HV Capital, Lakestar and Vsquared Ventures. Every round with its source.

Source: https://millionrounds.com/company/isar-aerospace (Millionrounds; every figure on the page links to its filing or article)

Germany · [Series D startup](https://millionrounds.com/companies)

# 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 & Space Defence Tech

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$487M** raised across 2 rounds since 2025, from 3 sources

**$175M** Round **$312M** Series D

- **Latest round:** Series D, $312M Jun 2026
- **Led by:** Molten Ventures and Island Green Capital
- **Step-up i:** 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

**$175M** Round

**$312M** Series D

- **First round:** Round, $175M
- **Biggest round:** $312M
- **Between rounds:** 12 months

## The rounds

- **Jun 2026** Series D **$312M** *6 new* *3 returning* [Molten Ventures](https://millionrounds.com/fund/molten-ventures) Lead [Island Green Capital](https://millionrounds.com/fund/island-green-capital) Lead [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) [HV Capital](https://millionrounds.com/fund/hv-capital) [Lakestar](https://millionrounds.com/fund/lakestar) [UVC Partners](https://millionrounds.com/fund/uvc-partners) [Vsquared Ventures](https://millionrounds.com/fund/vsquared-ventures) [NATO Innovation Fund (NIF)](https://millionrounds.com/fund/nato-innovation-fund) [KfW Capital](https://millionrounds.com/fund/kfw-capital) Reported by Ventureburn and 1 other
- **Jun 2025** Round **$175M** *5 new* [Bayern Kapital](https://millionrounds.com/fund/bayern-kapital) [HV Capital](https://millionrounds.com/fund/hv-capital) [Lakestar](https://millionrounds.com/fund/lakestar) [Eldridge](https://millionrounds.com/fund/eldridge) [Vsquared Ventures](https://millionrounds.com/fund/vsquared-ventures) Source recorded

## Founders and team

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

- **Daniel Metzler** Chief Executive Officer
- **Can Araz** Chief Technology Officer
- **Stella Guillen** Chief 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.

**Round** 2025 **Series D** 2026 [HV Capital](https://millionrounds.com/fund/hv-capital) [Lakestar](https://millionrounds.com/fund/lakestar) [Vsquared Ventures](https://millionrounds.com/fund/vsquared-ventures) [Molten Ventures](https://millionrounds.com/fund/molten-ventures) L [Island Green Capital](https://millionrounds.com/fund/island-green-capital) L [Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) [Bayern Kapital](https://millionrounds.com/fund/bayern-kapital) [UVC Partners](https://millionrounds.com/fund/uvc-partners) [Eldridge](https://millionrounds.com/fund/eldridge) [NATO Innovation Fund (NIF)](https://millionrounds.com/fund/nato-innovation-fund)

## Everyone who backed them

[HV Capital](https://millionrounds.com/fund/hv-capital) VC firm **2** rounds

[Lakestar](https://millionrounds.com/fund/lakestar) VC firm **2** rounds

[Vsquared Ventures](https://millionrounds.com/fund/vsquared-ventures) VC firm **2** rounds

[Molten Ventures](https://millionrounds.com/fund/molten-ventures) VC firm **1** round, led 1

[Island Green Capital](https://millionrounds.com/fund/island-green-capital) VC firm **1** round, led 1

[Earlybird Venture Capital](https://millionrounds.com/fund/earlybird) VC firm **1** round

[Bayern Kapital](https://millionrounds.com/fund/bayern-kapital) Government **1** round

[UVC Partners](https://millionrounds.com/fund/uvc-partners) VC firm **1** round

[Eldridge](https://millionrounds.com/fund/eldridge) Private equity **1** round

[NATO Innovation Fund (NIF)](https://millionrounds.com/fund/nato-innovation-fund) VC firm **1** round

[KfW Capital](https://millionrounds.com/fund/kfw-capital) Fund of funds **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=isar-aerospace).

## 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 Partners](https://millionrounds.com/fund/cipio-partners) Private equity Per its own site

[CoastCap](https://millionrounds.com/fund/coastcap) Family office Per its own site

[VONROSEN](https://millionrounds.com/fund/vonrosen) Family office Per 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 2026](https://millionrounds.com/company/the-exploration-company)[**Helsing** $3.7B · Jul 2026](https://millionrounds.com/company/helsing)[**Quantum Systems** $1.6B · Jul 2026](https://millionrounds.com/company/quantum-systems)[**STARK** $576M · Jun 2026](https://millionrounds.com/company/stark)[**Maple Aviation** $4.6M · Jun 2026](https://millionrounds.com/company/maple-aviation)[**LiveEO** $33M · May 2026](https://millionrounds.com/company/liveeo)

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