Funding
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Union Square Ventures

Activity from announced rounds

Activity in this selectionOct 6, 2026 · AI · Sep 7, 2026

Union Square Ventures is the venture firm explicitly named by Nous Research and Efficient Computer.

Recorded funding activity

Nous develops open models and agents. Efficient develops processors, while Rune deploys computing at renewable-energy sites. The company records retain separate technologies and financing events.

Sources
Rounds participated in
2
Confirmed lead rounds
0
All roles disclosed
New companies
1
First participation on record · 1 follow-on
Funding in participating rounds
$140M
2 disclosed · full round size, not this investor’s share

By stage

Series A1
Undisclosed1

By primary sector

Climate tech1
Hardware1

By country

United States2

Rounds

2 in this selection
Efficient Computer

Efficient Computer develops general-purpose data-flow processors and software tools for computing and AI systems.

$100MAdditional funding
Participant
Rune

A modular clean-compute platform that deploys GPU clusters at renewable-energy sites without building a conventional data center.

$40MSeries A
Participant