StepStone Group

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.

AI infrastructure combining GPU cloud services, managed AI tools, large-scale data centers and modular AI factories for model developers and enterprises.

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

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

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

Antora Energy makes thermal batteries that store electricity as heat in carbon blocks and deliver continuous energy to industrial facilities and other large users.

Provides open-standard AI networking infrastructure for ultra-low-latency training and inference

Provides banking and payment infrastructure for gaming, prediction markets, and crypto trading

Trains workforces in AI and tech skills through apprenticeships for enterprise employers

Provides open-standard AI networking infrastructure for ultra-low-latency training and inference

Builds agentic AI for enterprise IT operations that automates incident detection and root cause analysis

Provides real-time control over AI behavior for organizations

Delivers AI data infrastructure for mission-critical machines across space, defense, and autonomy

Develops advanced thermal cooling technologies for AI data centers and edge devices

Helps enterprises defend against malicious automation and AI-driven abuse

Produces TRISO nuclear fuel for advanced nuclear reactors

Provides open-standard AI networking infrastructure for ultra-low-latency training and inference

Builds highly automated factories producing defense and aerospace systems