Castelion
Castelion designs, tests, and manufactures next-generation military systems rapidly and at massive scale to deter future wars.
Total raised
$1.1B
4 rounds on record
Last round
$647M
Aug 2026
Why it's on the radar
TeamFundraising signals (who's likely raising, and why) are on Team.Start a free 14-day trial →Funding history · 4 rounds
Aug 2026Form D$647MSEC filing
Nov 2025Form D$360MSEC filing
Nov 2025Form D$60MSEC filing
Oct 2023Form D$8.6MSEC filing
Key people
ProKey people, exec moves and open roles are on Pro.Start a free 14-day trial →