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Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing strategies for production at scale. We’re designing, building, and testing next generation long range strike weapons systems to give America and its Allies a definitive edge and deter future conflicts.
Investor insights
Funding rounds participated in
$70M sweet spot round size
Investor type
Privately Held
Basic info
Industry
Defense and Space Manufacturing
Sectors
Defense and Space Manufacturing
Date founded
2022
Funding rounds raised
Total raised
$70M
from 2 investors over 1 rounds
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Castelion raised $70M on March 1, 2025
Investors: Lightspeed Venture Partners and + 6 Other investors