Stark Defence Raises €500M at €3.5B Valuation: The Full Fact-Check

A Berlin-based defence startup that did not exist at the start of 2024 has just closed one of the largest private defence-technology funding rounds in European history. Stark Defence (styled as STARK) raised €500 million (~$570 million) in a Series B/C round at a post-money valuation of more than €3.5 billion — roughly triple the €1 billion valuation it crossed earlier this year . Here is the full fact-check on the claims.

Who Invested?

The round was co-led by two of Silicon Valley's most prominent venture firms: Sequoia Capital and Peter Thiel's Founders Fund. Eight institutional investors participated in total, including the NATO Innovation Fund, Project A, Air Street Capital, 201 Ventures, Advent, and Döpfner Capital . The involvement of the NATO Innovation Fund — an Alliance-backed vehicle for dual-use European startups — is particularly notable, as it aligns Stark's growth with NATO's strategic priorities for sovereign defence capabilities .

Where Is the Money Going?

Stark has stated that more than 80% of the capital raised will be invested directly into R&D and manufacturing capacity . The NATO Innovation Fund's own announcement confirms the financing is to "accelerate defence research, development and manufacturing across Europe" and will fund new electronic warfare research facilities, scale production output to thousands of systems per month, and accelerate sovereign defence capabilities .

Industry publication UAS Feed emphasises that the capital is earmarked "not for the next clever drone, but for the machinery and facilities to churn out existing ones at scale" . This hardware-heavy allocation distinguishes Stark from software-first defence startups and reflects the urgent demand for physical production capacity driven by the war in Ukraine and rising European defence budgets .

What Does Stark Actually Make?

Stark develops loitering munitions (commonly called kamikaze drones), along with unmanned surface vessels and command-and-control software . Its flagship product is the Virtus loitering munition, which is already deployed in Ukraine and can be assembled in approximately ten minutes . The company also produces the Vanta unmanned surface vessel and Minerva C2 software for multi-domain operations .

Existing Government Contracts and Physical Footprint

Stark is not just fundraising on promises. In February 2026, Germany's Bundeswehr awarded Stark a €269 million contract to supply drones to the 45th Armored Brigade stationed in Lithuania, with a framework agreement that can expand to €1 billion . Germany also approved contracts for as much as €1 billion each for strike drones from Stark, Helsing, and Rheinmetall .

On the manufacturing side, Stark opened a 40,000 sq ft production facility in Swindon, UK, in November 2025, creating more than 100 highly skilled jobs in software, electronics, and aerospace engineering . The company also has an office in Stockholm and is planning a broader Nordic expansion .

The Bottom Line

All the reported facts are accurate and well-supported by multiple credible sources, including Bloomberg, the NATO Innovation Fund's own announcement, TNW, and defence-tech trade publications .

• Funding amount: €500 million — confirmed.
• Valuation: €3.5 billion+ (some sources report €3.2 billion, but most put it above €3.5 billion) — confirmed.
• Key investors: Sequoia, Founders Fund, NATO Innovation Fund — confirmed.
• 80%+ for R&D and manufacturing: Confirmed by both the company and the NATO Innovation Fund.
• Existing government contracts: Yes — a €269 million German contract, expandable to €1 billion.

Stark Defence is now one of Europe's fastest-scaling defence hardware companies, valued at more than 35 times its Series A valuation from early 2025, when it crossed the $1 billion mark after a $62 million round . The company has raised a total of more than €660 million across all rounds to date .