Castelion is a cutting-edge defense technology company focused on restoring America's conventional deterrence capability through the rapid, affordable, and scalable production of advanced strike weapons. The company specializes in hypersonic munitions production, integrating its first hypersonic weapon, Blackbeard, with U.S. Army and U.S. Navy operational platforms.
Estimated Valuation
Powered by
Leadership & Board
- Current Number of Employees
- 293
- Current LinkedIn Followers
- 58,862
Latest Estimated Valuation
- Total Amount Raised
- $1B
- Total Funding Rounds
- 2
- Latest Funding Amount
- $1B
- Latest Funding Round
- Series C
Employee Trend
Castelion had 293 employees as of October 26, 2026. The number of employees increased by 0 (0.00%) week-over-week.
293Latest Employee Count
0(0.00%)Week-Over-Week Change
Social Trend
Castelion had 58,862 followers as of October 26, 2026. The number of followers increased by 723 (1.24%) week-over-week.
58,862Latest Followers Count
723(1.24%)Week-Over-Week Change
Funding Round
| Funding Date | Funding Round | Amount Raised | Post-Money Valuation |
|---|---|---|---|
| Aug 19, 2026 | Series C | $1.00B | ― |
| Dec 05, 2025 | Series B | $350.00M | ― |
Investors
| Investor Name | Funding Round |
|---|---|
| General Catalyst | Series B |
| Lightspeed Venture Partners | Series B |
| Andreessen Horowitz | Series B |
| Altimeter Capital | Series B |
| Space VC | Series B |
| Interlagos | Series B |
| Cantos | Series B |
| Avenir | Series B |
Similar Companies
Related News and Analysis
