Cambium Capital

Activity from announced rounds

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

Cambium Capital is a venture investment firm whose official portfolio includes SambaNova and Polaris.

Recorded funding activity

SambaNova supplies enterprise AI computing infrastructure. Polaris develops optical interconnects, while Arcee builds open-weight language models and deployment tools for infrastructure controlled by customers. These financings show different parts of the computing stack in the recorded activity.

Sources
Rounds participated in
2
Confirmed lead rounds
1
All roles disclosed
New companies
2
First participation on record · 0 follow-on
Funding in participating rounds
$50M
1 disclosed · full round size, not this investor’s share

By stage

Series B2

By primary sector

AI1
Hardware1

By country

United States2

Rounds

2 in this selection
Arcee AI

Open-weight language models and deployment tools that let organizations adapt and run AI on infrastructure they control.

≥$150MSeries B
Lead
Polaris Electro-Optics

Optical interconnect technology for moving data between AI and data-center systems with lower power consumption.

$50MSeries B
Participant