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Castelion

castelion.com ↗
PROCESS SCHEMATIC · DEFENSE / AEROSPACE / HYPERSONIC MISSILES LIVE
Founded
2023
Stage
SERIES B
Raised
$434.2M
HQ
EL SEGUNDO, CA
Layer
MANUFACTURING

Develops mass-manufactured hypersonic missiles.

Funding history

RoundAmountDateLead
Seed$14.2M2023-10a16z and Lavrock Ventures
Series A ($70M equity; excludes $30M venture debt from SVB)$70M2025-01Lightspeed Venture Partners
Series B$350M2025-12Altimeter Capital and Lightspeed Venture Partners
Downstream
US Department of Defense (hypersonic munitions)
Related
Cowboy SpacePryzmSenra SystemsNorthwood Space

Sources

Castelion Closes $350 Million Series B to Mass Produce U.S. Hypersonic Weapons ↗Castelion is raising a $350M Series B to scale hypersonic missile business (TechCrunch) ↗Castelion Announces $100M Financing (Business Wire, Jan 2025) ↗Castelion Raises $14.2M in Initial Funding (FinSMEs, Oct 2023) ↗