MentionFox lists 42 Cloud infrastructure companies for 2026. Of them, 36 are Y Combinator companies (the newest batch here is Fall 2026, with 8); 5 filed a Form D notice with the SEC; 1 won an SBIR or STTR award. Across the 5 Form D notices in the table that report an amount sold, the median is $24.8M; the largest is $47.8M, by AheadComputing, Inc. (its Form D, filed Jun 16, 2026).
Other years
All years (158) 2025 (23) 2024 (19) 2023 (20)
Cloud infrastructure startups in 2026
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Ascii | The best cloud VMs for billions of agents | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Aviern | Unmanned airplanes for geospatial intelligence | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Boat | The best cloud VMs for billions of agents | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| GrayPass | Verify that the expected person is in control before key actions. | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Maritime | The managed cloud for AI agents. | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Nodus Compute | Intelligent execution layer for AI workloads | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Tilion | Super fast, unblockable browser infra for agents | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Workers IO | Deterministic Virtual Machines | Fall 2026 | Y Combinator batch | Y Combinator listing | |
| Bitzero Holdings Inc. | Filed Aug 14, 2026 | $24.8M | SEC Form D | ||
| Eagle Mountain Data Inc (funding history) | Filed Aug 10, 2026 | $710,000 | SEC Form D | ||
| AheadComputing, Inc. (funding history) | Filed Jun 16, 2026 | $47.8M | SEC Form D | ||
| Belvedir | The easiest way to make private AI models | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Click | Summer 2026 | Y Combinator batch | Y Combinator listing | ||
| Computable | Exchange for Physical Compute | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Control Seat | AI that runs factories | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Decawork | The Agent Control Plane for IT teams | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Experiential Labs | Open source OpenRouter that turns your traffic into a better model | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| hiloop | Autoresearch as a service: we solve your hardest measurable problems | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Hoplite | Effortlessly deploy cloud software factories. | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Luca IQ | API-first tax engine for CPA firms and developers | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| machine0 | AWS for Agents | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| OneCLI | The open source AI teammates for your company. | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| OneTriangle | The cheapest, fastest lightweight inference | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| OpenVector | AI that turns any camera to an autonomous worker with real-time vision | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Riften | Earned intelligence for every company | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Shielded | The agentic origination desk for supply chain risk. | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| Touchmark | Market for future inference capacity | Summer 2026 | Y Combinator batch | Y Combinator listing | |
| OTTera Inc (funding history) | Filed May 13, 2026 | $75,000 | SEC Form D | ||
| Relay, Inc. (funding history) | Filed May 5, 2026 | $42.1M | SEC Form D | ||
| Expanse | Unlock wasted GPU capacity. | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| InsForge (InstaCloud) | The agent-native serverless cloud | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| Reason Machines | Reason Machines builds Reason Agent, the autonomous software engineer… | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| Sazabi | The AI-native observability platform for fast-moving engineering teams | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| Superlog | Make software self-healing | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| Uno Wallet | The AI mobile wallet that replaces Apple Pay | Spring 2026 | Y Combinator batch | Y Combinator listing | |
| Steampunk, Inc. | The purpose of this order is to purchase innovation and modernization with design intelligence (imdi) ocio cloud support services | Award starts Mar 30, 2026 | $19.1M | SBIR Phase III | Federal award record |
| Approxima | Your software should build itself. | Winter 2026 | Y Combinator batch | Y Combinator listing | |
| Bidflow | AI Takeoffs for Electrical | Winter 2026 | Y Combinator batch | Y Combinator listing | |
| Fern | RL environments for robotics companies | Winter 2026 | Y Combinator batch | Y Combinator listing | |
| RunAnywhere | Fastest inference anywhere: open models on-prem, hosted or on-device | Winter 2026 | Y Combinator batch | Y Combinator listing | |
| Salus | Guardrails to validate your agent's actions before they execute | Winter 2026 | Y Combinator batch | Y Combinator listing | |
| Shofo | The World's Largest Video Library | Winter 2026 | Y Combinator batch | Y Combinator listing |
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