Castelion
Builds low-cost, mass-producible hypersonic strike missiles for defense
$1BSeries C
Role not disclosedLoading investors…
Activity from announced rounds
Builds low-cost, mass-producible hypersonic strike missiles for defense
Builds highly automated factories producing defense and aerospace systems
Builds and deploys home batteries providing backup power and grid support
Manufacturer of big, high-power satellites
Runs autonomous AI agents that continuously probe software for vulnerabilities at machine speed
Provides highly efficient AI networking solutions for hyperscale data centers
Builds the fastest AI infrastructure in the world
Builds systems software for AI applications, focusing on inference and model deployment