Funding round
Isar Aerospace Series D
Isar Aerospace, which works in space access launch services in Ottobrunn, raised $310M in a Series D round announced on 9 Jun 2026, at a $2.30B post-money valuation. 6 firms took part. It is Isar Aerospace's fourth venture round on record; the one before was a Series C in Mar 2023.
$310M
Amount raised
270,000,000 EUR converted
$2.30B
Post-money valuation
$1.99B pre-money
6
Investors
no lead named
13%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Isar Aerospace at $2.30B after the new money. The $310M bought investors about 13% of the company. It came 39 months after Isar Aerospace's Series C. It is 47% of the $657M Isar Aerospace has raised in the venture rounds on record. No later venture round is on record for Isar Aerospace.
Isar Aerospace's funding rounds
Isar Aerospace has 4 venture rounds on record and 2 other deals. This one is highlighted.
- Series A 10 Dec 2019, led by Earlybird and Airbus Ventures $17M
- Series B 28 Jul 2021, led by HV Capital, Porsche SE and Lombard Odier $165M
- Series C 28 Mar 2023 $165M
- Debt not a venture round 25 Jun 2025, led by Eldridge Industries $174M
- Series D this round 9 Jun 2026 $310M$2.30B post-money
- Grant not a venture round 3 Aug 2026 $230M
Investors
Who put money in
6 firms took part; no lead investor was named.
Investors
- Island Green Capital new investor
- backs 66 venture-backed companies new investor
- HV Capital backs 124 venture-backed companies new investor
- Lakestar backs 95 venture-backed companies new investor
- backs 49 venture-backed companies new investor
- backs 13 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, geographic expansion, scaling operations and working capital.
- Product development
- Geographic expansion
- Scaling operations
- Working capital
Comparable rounds
How it compares
14 Series D rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $505M, and this round was 61% of the median. The closest in time, other companies' Series D rounds in Aerospace and Defence:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Impulse Space Aerospace and Defence | 2 Jun 2026 | $500M | $4.26B | 137 Ventures and Banner VC |
| Aerospace and Defence | 19 Jun 2026 | $195M | not disclosed | not named |
| Quantum Systems Aerospace and Defence | 2 Jul 2026 | $1.20B | $8.00B | Blackstone and Noteus |
| K2 Space Aerospace and Defence | 30 Jul 2026 | $500M | $6.80B | Kleiner Perkins and ICONIQ |
| Hadrian Aerospace and Defence | 6 Aug 2026 | $1.37B | $7.87B | WCM Investment Management and Washington Harbour |
| True Anomaly Aerospace and Defence | 28 Apr 2026 | $650M | $2.20B | Eclipse and Riot Ventures |
| Saronic Technologies Aerospace and Defence | 31 Mar 2026 | $1.75B | $9.25B | Kleiner Perkins |
| Varda Space Industries Aerospace and Defence | 30 Sep 2026 | $251M | $1.60B | Lux Capital and Natural Capital |
Sources
Where this comes from
Reported by 2 sources.
Questions
Frequently asked
How much did Isar Aerospace raise in its Series D round?
Isar Aerospace raised $310M in its Series D round, announced in Jun 2026.
Which investors took part in Isar Aerospace's Series D round?
Island Green Capital, Molten Ventures, HV Capital, Lakestar, UVC Partners and KfW Capital.
What was Isar Aerospace's valuation at the Series D round?
$2.30B post-money ($1.99B pre-money).
How does it compare with other Series D rounds in Aerospace and Defence?
14 Series D rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $505M, and this round was 61% of the median.