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Quantum Systems announced the signing of its $1.2 billion Series D financing round, valuing the company at ~ $8 billion on a post-money basis. The round was co-led by Blackstone, Noteus, Airbus and Advent, and supported by a high-calibre syndicate of crossover and long-term institutional investors including BOND, Fidelity Management & Research Company, Wellington Management, A.P. Moller Holding, and Elephant Lake Ventures, as well as existing shareholders such as Balderton and HV Capital. The financing more than doubled Quantum Systems’ valuation, reflecting the company’s fast-growing revenue, demonstrated profitability, and category-defining market positioning with its multi-domain strategy.
With the Series D, Quantum Systems will accelerate the transition from individual uncrewed platforms to an interoperable family of systems connected through MOSAIC UXS, the company’s software ecosystem for uncrewed systems.
Alongside the Series D, Airbus Defence and Space and Quantum Systems agreed to deepen their strategic collaboration, bringing together complementary expertise to accelerate the development of next-generation sovereign European defence capabilities.
Florian Seibel, co-CEO and co-founder of Quantum Systems, said: “The future is unmanned. Defence will be defined by autonomous systems that can operate together across domains in real time. With Quantum Systems, we are building a next generation neo prime that has the potential to disrupt defence as we know it today. We are profitable, deployed around the world and with the latest financing round we now have more than $1.2Bn of dry powder to execute.”
Sven Kruck, co-CEO of Quantum Systems, said: “In just a few years, Quantum Systems has become a trusted defence technology partner. This financing allows us to scale production, expand globally, and deliver the next generation of AI-powered autonomous systems across air, land, sea and adjacent domains.”
Proceeds will be used to expand production capacity, strengthen supply chain resilience, scale delivery across allied markets and continue investing in software and AI capabilities.
“Quantum Systems has built a financial profile that sets a new benchmark for the defence market: triple-digit growth, double-digit profitability and disciplined execution at scale,” said Jonas Jarosch, CFO of Quantum Systems. “This financing unlocks our next phase of growth as we industrialise our multi-domain platform, scale production across allied markets and continue investing in the technology infrastructure that defines our long-term competitive position.”
Quantum Systems enters this next phase with proven operational deployment at scale. In Ukraine in 2025, the company’s systems executed over 19,000 missions. At the same time, Quantum Systems has expanded its production footprint across Germany, Ukraine, the United States, Australia, Romania, the United Kingdom and the Baltics.
Michael Schoellhorn, CEO at Airbus Defence and Space, said: “Modern combat is won through decision speed – the ability to capture, process and fuse massive data from air, ground and space faster than the adversary. Autonomous systems are critical, rapidly evolving force multipliers. Their full operational value comes when they are deployed with human oversight, trusted command-and-control structures and seamless integration across crewed and uncrewed assets at the tactical edge. This is why we are excited to deepen our cooperation with Quantum Systems: We are combining crucial architectural, software and AI competencies, thereby accelerating the sensor-to-shooter chain across our joint portfolios. This is where Airbus’ role as a large defence prime is evolving into that of an architect and ecosystem builder.”
David Kaden, Senior Managing Director at Blackstone, said: “A structural shift in the European defence market has created significant demand for capital to support the sector’s development and the adoption of advanced technologies. We look forward to supporting the company as it scales operations in Germany, expands across allied markets and builds the infrastructure for durable, long-term growth and security.”
Zoé Fabian-Frey, General Partner at Noteus, added: “Quantum Systems reflects the growing strength of Europe’s deep-tech and defence ecosystem. The company has shown how software, AI and operational execution can turn unmanned systems into scalable, sovereign multi-domain capabilities.”
Mike Marshall, Managing Director at Advent, said: “We believe Quantum Systems sits at the centre of the shift towards unmanned systems, with the product depth, customer traction and industrial ambition to scale internationally. This investment reinforces our commitment to next-generation defence technologies and we are looking forward to partnering with the team to expand production and to build for long-term growth.”
Morgan Stanley & Co. International plc served as exclusive financial adviser and placement agent for the transaction.
