Altimeter

Activity from announced rounds

Activity in this selectionSeries C+

Altimeter is an investment firm identified in financing coverage for Hadrian and in Crusoe’s own funding announcement.

Recorded funding activity

Crusoe builds AI infrastructure spanning GPU cloud services, data centers and modular computing systems. Other activity recorded here includes a lead role in SciFin’s seed financing for enterprise revenue operations and participation in Castelion’s hypersonic defence systems. These examples are specific financing relationships rather than a complete firm strategy.

Sources
Rounds participated in
8
Confirmed lead rounds
0
5 roles undisclosed
New companies
8
First participation on record · 0 follow-on
Funding in participating rounds
$9.2B
8 disclosed · full round size, not this investor’s share

By stage

Series C+8

By primary sector

AI3
Defense tech2
Climate tech1
Cybersecurity1
Space tech1

By country

United States8

Rounds

8 in this selection
Crusoe

AI infrastructure combining GPU cloud services, managed AI tools, large-scale data centers and modular AI factories for model developers and enterprises.

$3.9BSeries F (initial close; anticipated total)
Participant
Castelion

Builds low-cost, mass-producible hypersonic strike missiles for defense

$1BSeries C
Role not disclosed
Hadrian

Builds highly automated factories producing defense and aerospace systems

$1.4BSeries D
Participant
Base Power

Base Power builds and operates home batteries that supply backup electricity and help balance the power grid.

$1BSeries D
Participant
K2 Space

Manufactures large, high-power satellites.

$500MSeries D
Role not disclosed
XBOW

Runs autonomous AI agents that continuously probe software for vulnerabilities at machine speed

$120MSeries C
Role not disclosed
Cerebras Systems

Cerebras Systems develops computing infrastructure for AI.

$1BSeries H
Role not disclosed
Baseten

Builds systems software for AI applications, focusing on inference and model deployment

$300MSeries E
Role not disclosed