22–23 SeptStarts in 4 days, 0 hours, 14 minutes and 11 secondsBeacon Collective: Illuminate 2026Event details

Castelion

GRCDefense

Castelion is a defense tech company that develops and manufactures modern weapons systems for the U.S. military.

2022
Founded
4y
Age
$1.5B
Total funding
Defense
Area

Funding timeline

Aug 2026
Series C - Castelion
Aug 2026
Debt Financing - Castelion
Members only
Dec 2025
Series B - Castelion
Members only
Jan 2025
Debt Financing - Castelion
Members only
Jan 2025
Series A - Castelion
Members only
Oct 2023
Seed Round - Castelion
Members only
Apr 2023
Pre Seed Round - Castelion
Members only

6 earlier round amounts are shown to members.

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