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EquityFlowCompanies › Castelion

Castelion

DeepTech · El Segundo, US

Defence tech startup founded by ex-SpaceX engineers building low-cost mass-producible hypersonic missiles.

Founders

Team & hubs

Funding history

DateRoundAmount
Jul 2025Series B
Castelion is closing a $350M Series B, valuing it in the billions, to mass-produce hypersonic missiles.
$350M

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