Altimeter

Activity from announced rounds

Activity in this selectionOct 17, 2026 · Jul 20, 2026

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
6
Confirmed lead rounds
1
4 roles undisclosed
New companies
6
First participation on record · 0 follow-on
Funding in participating rounds
$3.9B
5 disclosed · full round size, not this investor’s share

By stage

Series C+5
Seed1

By primary sector

AI2
Defense tech2
Climate tech1
Space tech1

By country

United States6

Rounds

6 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
Participant
SciFin

SciFin gives enterprise revenue teams a continuously updated view of accounts, deals, forecasts, territories and customer conversations. Its AI companion, Pixie, uses that connected context to answer business questions, identify risks, prepare reports and recommend follow-up actions.

$44MSeed
Lead
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
Role not disclosed
Base Power

Builds and deploys home batteries providing backup power and grid support

$1BSeries D
Role not disclosed
K2 Space

Manufactures large, high-power satellites.

$500MSeries D
Role not disclosed