Funding
Series C · Defense tech

Castelion raises $1B Series C

Castelion raised $1 billion in Series C financing announced in August.

Updated Oct 16, 2026By RoundOS Funding desk

JPMorganChase Strategic Investment Group, Andreessen Horowitz, Carlyle, Lightspeed Venture Partners, Lavrock Ventures, Altimeter, General Catalyst, Interlagos and T. Rowe Price Associates are among its backers.

The company develops hypersonic strike missiles for defense.

Funding history

Series C · This round$1B

Sources

  1. Castelionprojectstartups.com
  2. prnewswire.com

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