Castelion
ARLINGTON, VA · Information Technology, Manufacturing · 121 employees
Castelion builds American hypersonic deterrence through rapid, affordable, and scalable production of advanced strike weapons. Blackbeard is the first U.S. hypersonic system engineered from inception for industrial-rate output, commercial unit cost, and continuous flight test iteration. The company is headquartered in Torrance, California, with manufacturing operations in New Mexico, Texas, and Ca
Funding history
- Series B — $350.0M — Dec 2025
- Venture - Series Unknown — $360.0M — Nov 2025
- Venture - Series Unknown — $60.0M — Nov 2025
- Series A — $100.0M — Jan 2025
- Venture - Series Unknown — $8.6M — Oct 2023
Recent signals
- May 13, 2026: Castelion and Department of War Establish Agreement to Produce Low-Cost Hypersonic Missiles.
- Dec 05, 2025: Raised $350.0M in Series B
- Nov 20, 2025: Raised $360.0M in Venture - Series Unknown
- Nov 20, 2025: Raised $60.0M in Venture - Series Unknown
- Jan 29, 2025: Raised $100.0M in Series A
- Oct 06, 2023: Raised $8.6M in Venture - Series Unknown
- Apr 21, 2023: Raised $5.4M in Venture - Series Unknown
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