StepStone Group

Activity from announced rounds

Activity in this selectionUnited States · Oct 14, 2026 · Jul 17, 2026
Rounds participated in
6
Confirmed lead rounds
0
3 roles undisclosed
New companies
6
First participation on record · 0 follow-on
Funding in participating rounds
$1.2B
5 disclosed · full round size, not this investor’s share

By stage

Series C+4
Series A1
Series B1

By primary sector

AI3
Climate tech1
Hardware1
Industrial tech1

By country

United States6

Rounds

6 in this selection
SiMa.ai

SiMa.ai builds a full-stack physical AI platform that combines purpose-built silicon and software to help developers deploy machine learning on real-world devices.

$150MSeries C
Participant
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
Clay

A go-to-market platform that combines customer and prospect data with AI research and automation tools for revenue teams.

$115MSeries D
Participant
Velaura AI

Develops ultra-low-power silicon for AI data centers and Physical AI systems

$110MSeries A
Role not disclosed
Mariana Minerals

Builds and operates AI-driven mines and refineries for critical minerals

$310MSeries B
Role not disclosed
Antora Energy

Delivers affordable, reliable energy to industry, data centers, and the grid.

$550MSeries C
Role not disclosed