Quantum Systems
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Investors
Founders
About
Quantum Systems is a Munich-area (Gilching) developer of AI-enabled autonomous aerial systems for defence and security applications, best known for its Vector, Trinity, Reliant and Twister uncrewed platforms and the MOSAIC UXS software ecosystem that connects them 123. Co-founded by Florian Seibel and Sven Kruck, the company has grown into one of Europe’s largest defence-tech businesses by revenue 12. With the Series D, Quantum Systems said it will accelerate the transition from individual uncrewed platforms to an interoperable family of systems, expand production capacity, strengthen supply-chain resilience, scale delivery across allied markets, and continue investing in software and AI capabilities 1234.
Disclaimer: This is a lean profile built from initial round coverage and may be expanded as more information becomes available.
Funding History
| Date | Round | Amount | Lead | Co-investors |
|---|---|---|---|---|
| 2026-07-02 | Series D | €1B (~$1.2B) | Blackstone, Noteus, Airbus, Advent (co-leads) | BOND, Fidelity Management & Research Company, Wellington Management, A.P. Moller Holding, Elephant Lake Ventures, Balderton Capital, HV Capital 1234 |
The Series D valued Quantum Systems at approximately €7 billion (~$8 billion) post-money, more than doubling the ~€3 billion valuation from its November 2025 round 234. Morgan Stanley & Co. International plc acted as financial adviser 1.
What Investors Say
“A structural shift in the European defence market has created significant demand for capital to support the sector’s development.” — David Kaden, Blackstone, quoted in the Series D announcement, July 2, 2026 12
“We are combining crucial architectural, software and AI competencies, thereby accelerating the sensor-to-shooter chain across our joint portfolios.” — Michael Schoellhorn, CEO, Airbus Defence and Space, quoted in the Series D announcement, July 2, 2026 4
What Founders Say
“The future is unmanned. Defence will be defined by autonomous systems that can operate together across domains in real time.” — Florian Seibel, Co-Founder & Co-CEO, Quantum Systems, quoted in the Series D announcement, July 2, 2026 1
“We are profitable, deployed around the world and with the latest financing round, we now have more than $1.2 billion of dry powder to execute.” — Florian Seibel, Co-Founder & Co-CEO, Quantum Systems, quoted in the Series D announcement, July 2, 2026 4
“This financing allows us to scale production, expand globally, and deliver the next generation of AI-powered autonomous systems.” — Sven Kruck, Co-CEO, Quantum Systems, quoted in the Series D announcement, July 2, 2026 4
Sources
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Defence-Industry.eu, “Quantum Systems raises $1.2 billion Series D to scale multi-domain autonomous systems and deepen Airbus defence partnership in Europe,” July 2, 2026. Accessed July 2026. https://defence-industry.eu/quantum-systems-raises-1-2-billion-series-d-to-scale-multi-domain-autonomous-systems-and-deepen-airbus-defence-partnership-in-europe/↩↩↩↩↩↩↩
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Tech.eu, “Quantum Systems raises $1.2BN at $8BN valuation,” July 2, 2026. Accessed July 2026. https://tech.eu/2026/07/02/quantum-systems-raises-12bn-at-8bn-valuation/↩↩↩↩↩↩
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EU-Startups, “Quantum Systems lands €1 billion Series D in one of Europe’s largest DefenceTech financings,” July 2, 2026. Accessed July 2026. https://www.eu-startups.com/2026/07/quantum-systems-lands-e1-billion-series-d-in-one-of-europes-largest-defencetech-financings/↩↩↩↩
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TechFundingNews, “Quantum Systems scoops $1.2B at $8B valuation as Blackstone doubles down on European defence tech,” July 2, 2026. Accessed July 2026. https://techfundingnews.com/quantum-systems-raises-1-2b-at-8bn-valuation-as-blackstone-doubles-down-on-european-defence-tech/↩↩↩↩↩↩