Altimeter

Activity from announced rounds

Activity in this selectionrel-labs-9b4281c0
Rounds participated in
10
Confirmed lead rounds
1
8 roles undisclosed
New companies
10
First participation on record · 0 follow-on
Funding in participating rounds
$5.8B
9 disclosed · full round size, not this investor’s share

By stage

Series C+8
Seed1
Series B1

By primary sector

AI4
Defense tech2
Climate tech1
Cybersecurity1
Hardware1
1 more
Space tech1

By country

United States10

Rounds

10 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

Manufacturer of big, 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
Nexthop AI

Provides highly efficient AI networking solutions for hyperscale data centers

$500MSeries B
Role not disclosed
Cerebras Systems

Builds the fastest AI infrastructure in the world

$1BSeries H
Role not disclosed
Baseten

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

$300MSeries E
Role not disclosed