Stark Defence

Headquarters

Berlin, Germany

Founded

2024

Employees

500

Total funding

€660M+

Valuation

€3.5B+ (Series C, Jun 2026)

Stage

Series C

Status

active

Domains

Loitering munitions, Strike drones, Unmanned surface vessels, C2 software

LinkedIn

www.linkedin.com/company/stark-defence

Website

stark-defence.com

• FounderFlorian SeibelCo-founder of Quantum Systems and Stark Defence
• FounderJohannes SchabackCo-founder of Stark Defence
• FounderUwe HorstmannCEO and co-founder of Stark Defence

• Fund201 VenturesEuropean defense-tech-focused venture capital firm run by Eric Slesinger; portfolio includes Isembard, Polar Mist, and Delian Alliance Industries. (The prior claim that Helsing is a portfolio company was independently verified and refuted -- removed.)

Approximate ownership by holder. Indexed holders link to their records.

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What does Stark Defence do?

Stark Defence builds loitering munitions (Virtus), unmanned surface vessels (Vanta), and command-and-control software (Minerva) for multi-domain operations. Its Virtus loitering munition can be assembled in ten minutes and has been deployed in Ukraine. The company raised €500M in June 2026 led by Sequoia Capital and Founders Fund at a €3.5B+ valuation, bringing total funding to over €660M. Stark has a framework agreement with the German military worth up to €2.86B and operates production facilities across Germany, Ukraine, Sweden, and the UK.

Where is Stark Defence headquartered?

Stark Defence is headquartered in Berlin, Germany and was founded in 2024.

How much funding has Stark Defence raised?

Stark Defence has raised €660M+ in disclosed funding, at a most recent valuation of €3.5B+ (Series C, Jun 2026).

What does Stark Defence specialize in?

Stark Defence works across Loitering munitions, Strike drones, Unmanned surface vessels, C2 software.

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