Castelion Raises $1 billion Series C
Castelion Raises $1 Billion Series C To Scale Production Of Low-Cost Hypersonic Weapons.
Series C$1 billionTotal tracked $1 billionUndisclosed HQ
What it does
Castelion Raises $1 Billion Series C To Scale Production Of Low-Cost Hypersonic Weapons.
Traction
undisclosed investors participated in the latest tracked round; deeper traction analysis is held until source support is strong enough.
Trend impact
MD-grade thesis held: available source material is not specific enough to support a non-generic investor-economist read without overclaiming.
Funding history
- August 19, 2026 · Series C · $1 billion · undisclosed investors