Funding round
Quantum Systems Series C
Quantum Systems, which works in unmanned aerial system manufacturing in Gilching, raised $210M in a Series C round announced on 27 Nov 2025, led by Balderton Capital, at a $3.50B post-money valuation. 1 firm took part. It is Quantum Systems' third venture round on record; the one before was a Series B in Sep 2024.
$210M
Amount raised
180,000,000 EUR converted
$3.50B
Post-money valuation
$3.29B pre-money
1
Investors
1 lead
6.0%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Quantum Systems at $3.50B after the new money. The $210M bought investors about 6.0% of the company. It came 14 months after Quantum Systems' Series B. It is 14% of the $1.55B Quantum Systems has raised in the venture rounds on record. Quantum Systems raised again 8 months later: a Series D round of $1.20B in Jul 2026, at $8.00B post-money.
Quantum Systems' funding rounds
Quantum Systems has 4 venture rounds on record. This one is highlighted.
Investors
Who put money in
Balderton Capital led the round.
Lead investor
- Balderton Capital backs 140 venture-backed companies new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to hiring, product development, geographic expansion, sales and marketing, scaling operations, acquisitions and working capital.
- Hiring
- Product development
- Geographic expansion
- Sales and marketing
- Scaling operations
- Acquisitions
- Working capital
Comparable rounds
How it compares
24 Series C rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $250M, and this round was 84% of the median. The closest in time, other companies' Series C rounds in Aerospace and Defence:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Forterra Aerospace and Defence | 12 Nov 2025 | $238M | $1.00B | Moore Strategic Ventures |
| K2 Space Aerospace and Defence | 11 Dec 2025 | $250M | $3.00B | Redpoint Ventures |
| Aerospace and Defence | 24 Sep 2025 | $60M | not disclosed | 1789 Capital |
| Sierra Space Aerospace and Defence | 5 Mar 2026 | $550M | $8.00B | LuminArx Capital Management |
| Hadrian Aerospace and Defence | 17 Jul 2025 | $260M | not disclosed | Founders Fund and Lux Capital |
| Varda Space Industries Aerospace and Defence | 10 Jul 2025 | $187M | $500M | Natural Capital and Shrug Capital |
| Aerospace and Defence | 26 Mar 2026 | $170M | not disclosed | Mohari Ventures Natural Capital |
| Aerospace and Defence | 18 Mar 2026 | $110M | not disclosed | Airtree |
Sources
Where this comes from
Reported by 2 sources.
Questions
Frequently asked
How much did Quantum Systems raise in its Series C round?
Quantum Systems raised $210M in its Series C round, announced in Nov 2025.
Who led Quantum Systems' Series C round?
Balderton Capital led it.
What was Quantum Systems' valuation at the Series C round?
$3.50B post-money ($3.29B pre-money).
How does it compare with other Series C rounds in Aerospace and Defence?
24 Series C rounds in Aerospace and Defence within a year either side disclosed an amount; the median was $250M, and this round was 84% of the median.
Did Quantum Systems raise again after this round?
Yes: a Series D round in Jul 2026 of $1.20B at $8.00B post-money.