Castelion raises $800M Series C equity at $13B valuation

Aug 19, 2026 · Funding · Castelion · Defense

Castelion raised $800 million of Series C equity at a $13 billion post-money valuation and separately secured a $250 million committed revolving credit facility.

Castelion company media
Company media · Castelion
  • JPMorganChase’s Strategic Investment Group, Andreessen Horowitz and Carlyle co-led the equity financing.
  • Lightspeed Venture Partners, Lavrock Ventures, Altimeter, General Catalyst, Interlagos and T. Rowe Price also participated.
  • Capital will expand Blackbeard production, accelerate a longer-range strike system and support new defensive systems.

Castelion designs, flight-tests and manufactures mass-producible hypersonic strike weapons, led by Blackbeard. The Torrance company vertically integrates propulsion, guidance, avionics and production, and is building Project Ranger in New Mexico for high-rate missile output.