Latest United States Startup Funding Rounds
Startup funding in United States: recent rounds, the companies behind them and their participating investors.
- Rounds
- 181 Sep 29 – Oct 28, 2026
- Disclosed funding
- $65.1B 157 disclosed amounts
- Median round
- $30M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
 Soufflé TherapeuticsCompany profile Soufflé Therapeutics develops targeted RNA medicines for patients with muscle disorders and heart failure. Soufflé Therapeutics develops targeted RNA medicines for patients with muscle disorders and heart failure. | $135M | Series B | Biotech | United States | Investors | |
| LA An integrated AI commerce platform for brands and retailers. | $3.5M | Seed | Ecommerce | United States | Investors | |
| M MistlabsCompany profile Mistlabs develops Ambi, an ambient AI assistant that uses context and memory to suggest actions across connected devices. Mistlabs develops Ambi, an ambient AI assistant that uses context and memory to suggest actions across connected devices. | Undisclosed | Pre-AUndisclosed | AI | United States | Investors | |
 Ultra RoboticsCompany profile Warehouse robots that pack orders, sort items and assemble kits at existing workstations. Warehouse robots that pack orders, sort items and assemble kits at existing workstations. | $50M | Series A | Robotics | United States | Investors | |
 TypeSafe AICompany profile Developer infrastructure that turns unstructured inputs into typed decisions and probability scores for automated software workflows. Developer infrastructure that turns unstructured inputs into typed decisions and probability scores for automated software workflows. | $870M | Series A | AI | United States | Investors | |
| OC Oxide Computer CompanyCompany profile Designs and manufactures integrated on-prem cloud computing systems Designs and manufactures integrated on-prem cloud computing systems | $445M | Series DSeries C+ | Hardware | United States | Investors | |
| DO Diffusion ONECompany profile Diffusion ONE is a US venture capital fund led by Kristian Fredrickson and Victor Lazarte. Diffusion ONE is a US venture capital fund led by Kristian Fredrickson and Victor Lazarte. | $1.3B | Fund ONEUndisclosed | Business services | United States | Investors Undisclosed | |
| V VEIR designs superconducting power delivery systems for AI data centers. | $110M | Series CSeries C+ | Industrial tech | United States | Investors | |
 ArenaCompany profile Arena evaluates AI models through comparisons and observations of how people use them in real tasks. Arena evaluates AI models through comparisons and observations of how people use them in real tasks. | $200M | Series B | AI | United States | Investors | |
| P PersonaCompany profile Persona develops a personal AI assistant accessed through messages and a planned wearable band. Persona develops a personal AI assistant accessed through messages and a planned wearable band. | $10M | Undisclosed | AI | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Sep 29, 2026
- 1Andreessen Horowitz (a16z)
Hex, ASI, Eka Robotics
19rounds8led - 2Y Combinator (YC)
Vera Health, BioStack, Tractian
15rounds0led - 3General Catalyst
Hyperbolic, Re:Build, Provision Labs
12rounds4led - 4Khosla Ventures
Arda Industries, Tolan
10rounds3led - 5Sequoia Capital
Hex, Warhound, Whop
9rounds4led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.