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Castelion logo

Castelion

Recent Financing

Hybrid C

Recent Raise

$1.1B

Castelion is a defense technology company building low-cost, mass-producible hypersonic strike weapons and related defensive systems.

California, United States
251-500
Private
castelion.com
PitchBook

Highlights

Focus Areas

Aerospace
Government
Manufacturing
Military
National Security

Recent Investors

Lavrock Ventures logo
Andreessen Horowitz logo
Lightspeed Venture Partners logo
Interlagos logo
First In logo
BlueYard Capital logo
General Catalyst logo
Altimeter Capital logo
Cantos logo
Champion Hill Ventures logo
J.P. Morgan logo
Carlyle logo

Financials

$13B

Valuation as of 08/20/2026

$1.5B

Total Raised

5

Funding rounds

17

Investors


Team

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See the team members at Castelion.