The rounds this investor is named on, who it invests beside, and where it shows up.
Named on 46 rounds in the feed, most often at Series D+ and in AI.
We explore, evolve, and solve with our partners and clients, bringing together diverse specialists and perspectives to cover all of the private markets — and to uncover what others may not.
Investment firmstepstonegroup.comRounds from 2021-12-20 to 2026-09-28
| Company | Round | Amount | Announced | Role |
|---|---|---|---|---|
SiMa.ai SiMa.ai scaling physical ai across across robotics, automotive, industrial automation, aerospace & defense, smart vision, and healthcare. | Series C Verified against 4 of 70 sources | $150M | 2026-09-28 | [ PART ] |
Fab2 A semiconductor company rethinking manufacturing by designing its own fabrication tools | Series A Verified against 4 of |
| $500M |
| 2026-09-09 |
| [ PART ] |
Clay GTM software company | Series D Verified against 4 of 6 sources | $115M | 2026-09-09 | [ PART ] |
Crusoe An AI data-center builder | Series F Verified against 4 of 20 sources | $3.9B | 2026-09-04 | [ PART ] |
Velaura Velaura provides ultra-low-power compute solutions for Physical AI and data center applications. | Series A Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $110M | 2026-08-18 | [ PART ] |
Antora Antora builds and deploys thermal energy storage to power always-on industrial operations with low-cost energy. | Series C Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $550M | 2026-07-30 | [ PART ] |
Helsing Helsing sells AI-enabled autonomous systems for defense applications, targeting government and industry clients. | Series E Verified against 4 of 14 sources[ REPORTED LATER ]: This round was announced before Fireround first saw it. It stays in the company's history, not in Latest, Trending, or alerts. | $1.8B | 2026-07-13 | [ PART ] |
Multiverse Multiverse provides AI training solutions for companies looking to upskill their workforce in artificial intelligence. | Funding round Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $70M | 2026-05-15 | [ PART ] |
Frore Systems Frore Systems sells advanced cooling solutions like LiquidJet for data centers and AirJet for consumer devices. | Series D Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $143M | 2026-03-16 | [ PART ] |
Overland AI Overland sells autonomous ground vehicles (AGVs) designed for military and high-risk missions. | Funding round Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $100M | 2026-02-03 | [ PART ] |
Northwood Space Northwoodspace provides hardware, software, and network infrastructure for space communications to support space missions. | Series B Verified against 1 of 3 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $100M | 2026-01-27 | [ PART ] |
Standard Nuclear Advanced nuclear fuel products for nuclear reactors, primarily targeting the energy sector. | Series A Verified against 2 of 4 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $140M | 2026-01-26 | [ PART ] |
Zanskar Zanskar provides services in the renewable energy sector, working with investors and partners to develop sustainable energy solutions. | Series C Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $115M | 2026-01-21 | [ PART ] |
SpaceXAI The company sells AI-driven APIs and solutions focused on text, voice, and image processing for developers and businesses. | Series D+ Verified against 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $20B | 2026-01-06 | [ PART ] |
Federato AI-native insurance core platform | Series D Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $100M | 2025-11-18 | [ PART ] |
Crusoe An AI data-center builder | Series E Verified against 1 of 3 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $1.4B | 2025-10-24 | [ PART ] |
Zepto Zeptonow sells a wide variety of everyday products including groceries, electronics, and personal care items to consumers, focusing on rapid delivery. | Growth Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $450M | 2025-10-17 | [ PART ] |
Base Power Base Power offers home energy solutions, including backup battery systems and fixed-rate electricity plans primarily for homeowners in Texas and Illinois. | Series C Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $1.0B | 2025-10-08 | [ PART ] |
Vercel Vercel sells cloud platform services designed for building and deploying frontend applications and serverless functions. | Series F Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $300M | 2025-09-30 | [ PART ] |
Upscaleai Upscaleai offers AI-native networking solutions designed for scaling AI workloads and infrastructure. | Seed Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $100M | 2025-09-17 | [ PART ] |
SiMa.ai SiMa.ai scaling physical ai across across robotics, automotive, industrial automation, aerospace & defense, smart vision, and healthcare. | Funding round Verified against 1 of 3 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $85M | 2025-08-01 | [ PART ] |
Radiant Radiant Nuclear sells nuclear microreactors designed for commercial and government customers, providing independent energy solutions. | Series C Verified against 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $165M | 2025-05-28 | [ PART ] |
Stash Stash offers digital financial services including investment management, automated investing, and a debit card that rewards spending with stock. | Series D+ Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $146M | 2025-05-13 | [ PART ] |
CHAOS App CHAOS provides collaboration tools for music industry professionals. | Series C Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $275M | 2025-05-02 | [ PART ] |
CHAOS Industries A defense systems company built to keep American and allied airspace secure | Series C Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $275M | 2025-05-02 | [ PART ] |
Apex Apexspace sells configurable spacecraft platforms to government and commercial customers for satellite deployments. | Series C Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $200M | 2025-04-28 | [ PART ] |
Northwood Space Northwoodspace provides hardware, software, and network infrastructure for space communications to support space missions. | Series A Verified against 1 of 4 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $30M | 2025-04-22 | [ PART ] |
Auradine Auradine delivers ultra-low-power compute solutions for Physical AI and data center applications. | Series C Verified against 1 of 3 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $153M | 2025-04-16 | [ LEAD ] |
Cyberhaven Cyberhaven unifies DLP, DSPM, insider risk, and AI security on one platform. | Series D Verified against 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $100M | 2025-04-02 | [ LEAD ] |
Temporal Technologies A developer of a durable execution platform for modern software and AI orchestration | Series C Verified against 1 of 4 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $146M | 2025-03-31 | [ PART ] |
BuildOps BuildOps gives commercial contractors one place to run service and projects — with AI built in, not bolted on. | Series C Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $127M | 2025-03-21 | [ PART ] |
Nerdio Managed IT services focused on Microsoft cloud solutions for enterprises and managed service providers. | Series C Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $500M | 2025-03-18 | [ PART ] |
Epirus Epirus Inc. sells advanced defense systems designed to counter threats from drones using high-power microwave technology. | Series D Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $250M | 2025-03-05 | [ PART ] |
Eikon Therapeutics Eikon is a late-stage clinical biopharmaceutical company focused on inventing and developing breakthrough therapeutics for serious illnesses through innovative scientific and engineering approaches. | Series D Verified against 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $350.7M | 2025-02-26 | [ PART ] |
KoBold Metals KoBold Metals is a scientific mineral exploration and development company focused on critical minerals, utilizing AI and human expertise to find them more effectively. | Series C Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $537M | 2025-01-03 | [ PART ] |
Federato AI-native insurance core platform | Series C Verified against 1 of 3 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $40M | 2024-11-20 | [ LEAD ] |
Poolside Poolside is a foundation model company bringing intelligence to everywhere work gets done. | Series B Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $500M | 2024-10-02 | [ PART ] |
Zepto Zeptonow sells a wide variety of everyday products including groceries, electronics, and personal care items to consumers, focusing on rapid delivery. | Funding round Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $340M | 2024-08-29 | [ PART ] |
Zepto Zeptonow sells a wide variety of everyday products including groceries, electronics, and personal care items to consumers, focusing on rapid delivery. | Series F Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $665M | 2024-06-20 | [ LEAD ] |
ThreatLocker A global leader in Zero Trust cybersecurity | Series D Developing, 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $115M | 2024-04-24 | [ PART ] |
Auradine Auradine delivers ultra-low-power compute solutions for Physical AI and data center applications. | Series B Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $80M | 2024-04-10 | [ PART ] |
Zepto Zeptonow sells a wide variety of everyday products including groceries, electronics, and personal care items to consumers, focusing on rapid delivery. | Funding round Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $200M | 2023-08-25 | [ LEAD ] |
Spot AI Spot AI turns existing cameras into AI coworkers that understand behavior, trigger human-like deterrence and real-time responses, and organize evidence across security, safety, and operations. | Series B Verified against 1 of 2 sources[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $40M | 2022-11-17 | [ PART ] |
Multiverse Multiverse provides AI training solutions for companies looking to upskill their workforce in artificial intelligence. | Series D Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $220M | 2022-06-08 | [ LEAD ] |
Eikon Therapeutics Eikon is a late-stage clinical biopharmaceutical company focused on inventing and developing breakthrough therapeutics for serious illnesses through innovative scientific and engineering approaches. | Series B Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $517.8M | 2022-01-06 | [ PART ] |
Turing Turing powers frontier AI labs with datasets, RL environments, and expert talent - and helps Fortune 500 deploy and scale AI agents in production | Series D Verified against 1 source[ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $87M | 2021-12-20 | [ PART ] |