Castelion
Builds low-cost, mass-producible hypersonic strike missiles for defense
$1BSeries C
Role not disclosedA
Altimeter
Activity from announced rounds
All recorded activity
- Rounds participated in
- 8
- Confirmed lead rounds
- — 8 roles undisclosed
- New companies
- 8 First participation on record · 0 follow-on
- Funding in participating rounds
- $5.8B 8 disclosed · full round size, not this investor’s share
By stage
By primary sector
1 more
Space tech1
By country
Rounds
8 in all activityHadrian
Builds highly automated factories producing defense and aerospace systems
$1.4BSeries D
Role not disclosedBase Power
Builds and deploys home batteries providing backup power and grid support
$1BSeries D
Role not disclosedK2 Space
Manufacturer of big, high-power satellites
$500MSeries D
Role not disclosedXBOW
Runs autonomous AI agents that continuously probe software for vulnerabilities at machine speed
$120MSeries C
Role not disclosedNexthop AI
Provides highly efficient AI networking solutions for hyperscale data centers
$500MSeries B
Role not disclosedCerebras Systems
Builds the fastest AI infrastructure in the world
$1BSeries H
Role not disclosedBaseten
Builds systems software for AI applications, focusing on inference and model deployment
$300MSeries E
Role not disclosed