Union Square Ventures

Activity from announced rounds

Activity in this selectionAI

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
11
Confirmed lead rounds
1
6 roles undisclosed
New companies
10
First participation on record · 1 follow-on
Funding in participating rounds
$879.4M
11 disclosed · full round size, not this investor’s share

By stage

Series A5
Series B3
Undisclosed3

By primary sector

AI3
Hardware3
Climate tech1
Healthtech1
Industrial tech1
2 more
Proptech1
Robotics1

By country

United States10
United Kingdom1

Rounds

11 in this selection
Tolan

Tolan develops a voice-first AI companion that remembers conversations and helps people organize everyday life.

$30MUndisclosed
Lead
Nous Research

Open-source AI models and the Hermes agent, which retains project memory and reusable skills across tasks.

$90MSeries B
Participant
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
Gritt

Combines robotics and AI to automate labor-intensive infrastructure and construction site tasks

$32.4MSeed+Series A
Role not disclosed
Generalist AI

Generalist AI develops foundation models that let robots learn tasks across different hardware and environments.

$400MSeries B
Participant
Board

Builds interactive gaming devices blending board games with video games

$20MSeries A
Role not disclosed
Status AI

Builds a gamified social simulation platform where users roleplay characters inside AI-generated social worlds

$17MSeries A
Role not disclosed
Doctronic

Provides AI-powered personalized health insights and connects users to licensed providers instantly

$40MSeries B
Role not disclosed
Isembard

Develops software to automate manufacturing of key component parts for industries

$50MSeries A
Role not disclosed
Efficient Computer

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

$60MSeries A
Role not disclosed