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Castelion is raising a $350M Series B to scale hypersonic missile business

From TechCrunch

By Aria Alamalhodaei

July 3, 2025

Castelion is raising a $350M Series B to scale hypersonic missile business

A hypersonics weapon startup is lining up a massive new funding round to scale its business with the U.S Department of Defense.
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Castelion is raising a $350M Series B to scale hypersonic missile business

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Colossal Biosciences reportedly in talks to raise new capital at $20B–$30B valuation

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Jul 20, 2026

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Inference startup Infinity raises $15M from Touring Capital, OpenAI and Anthropic researchers

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Castelion is raising a $350M Series B to scale hypersonic missile business

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A hypersonics weapon startup is lining up a massive new funding round to scale its business with the U.S Department of Defense.

Jul 3, 2025

Hermeus raises $350M to build unmanned hypersonic fighters

Hermeus raises $350M to build unmanned hypersonic fighters

The defense aviation startup is coming off two successful flight demonstrations, and with the next one, it's aiming to go supersonic.

Apr 7, 2026

Two-year-old defense tech Mach Industries confirms $100M raise led by Khosla, Bedrock

Two-year-old defense tech Mach Industries confirms $100M raise led by Khosla, Bedrock

Rising-star defense tech Mach Industries has announced a new $100 million round from Khosla, Bedrock and Sequoia.

Jun 17, 2025

Northwood Space secures a $100M Series B and a $50M Space Force contract

Northwood Space secures a $100M Series B and a $50M Space Force contract

With so much interest in funding space tech, hard tech, and defense tech right now, Mendler said this was an opportunity for her company to grow responsibly and quickly.

Jan 27, 2026