August 19, 2026
Castelion
Castelion raised $1 billion in Series C financing to scale production of low-cost hypersonic weapons.
- Round
- Series C
- Amount raised
- $1B
- Lead investor
- —
- Industry
- Defense, Aerospace
- Headquarters
- United States
- Employees
- 201-500 employees
- Website
- castelion.com
- View profile →
Other investors
- JPMorganChase
- Andreessen Horowitz
- Carlyle
Source: Google Alerts