Latest United States Startup Funding Rounds
Startup funding in United States: recent rounds, the companies behind them and their participating investors.
- Rounds
- 2,132 Jan 1 – Oct 9, 2026
- Disclosed funding
- $200B 1765 disclosed amounts
- Median round
- $24M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| R RivoCompany profile Automatically moves idle cash into higher-yield accounts and back before bills are due Automatically moves idle cash into higher-yield accounts and back before bills are due | $2.7M | Seed | Fintech | United States | Investors | |
| OS Obsidian SecurityCompany profile Secures non-human identities and AI agents operating in third-party applications Secures non-human identities and AI agents operating in third-party applications | $85M | Series DSeries C+ | Cybersecurity | United States | Investors | |
| W WellinksCompany profile FDA-cleared remote monitoring platform for cardiopulmonary disease management FDA-cleared remote monitoring platform for cardiopulmonary disease management | $10M | Series B | Healthtech | United States | Investors | |
| H HappyRobotCompany profile Deploys AI agents automating enterprise operations across voice, email and documents Deploys AI agents automating enterprise operations across voice, email and documents | $150M | Series CSeries C+ | AI | United States | Investors | |
| C Uses genomic surveillance to identify hospital infection outbreaks and sources | $3.5M | Pre-SeedPre-seed | Biotech | United States | Investors | |
| RA Rivvi AICompany profile Builds agentic AI infrastructure for healthcare patient outreach and engagement Builds agentic AI infrastructure for healthcare patient outreach and engagement | Undisclosed | StrategicUndisclosed | Healthtech | United States | Investors | |
| VA Valar AtomicsCompany profile Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity. Valar Atomics develops modular nuclear reactors and energy campuses for industrial heat and electricity. | $1B | Series B | Climate tech | United States | Investors | |
| AS Andromeda SurgicalCompany profile Andromeda Surgical develops autonomous surgical robots combining anatomical mapping and surgeon oversight, initially for prostate enucleation. Andromeda Surgical develops autonomous surgical robots combining anatomical mapping and surgeon oversight, initially for prostate enucleation. | $15M | Series A | Robotics | United States | Investors | |
| H Runs autonomous AI-driven penetration testing to secure enterprise networks | $250M | Series ESeries C+ | Cybersecurity | United States | Investors | |
| MM Mariana MineralsCompany profile Builds and operates AI-driven mines and refineries for critical minerals Builds and operates AI-driven mines and refineries for critical minerals | $310M | Series B | Industrial tech | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Jan 1, 2026
- 1Y Combinator (YC)
Nous Research, Santé, Vitalize
125rounds3led - 2Andreessen Horowitz (a16z)
TypeSafe AI, Arena, Vesta
94rounds18led - 3General Catalyst
Minerva Humanoids, Melius
65rounds6led - 4Alumni Ventures
Savvy Wealth, Mona, American Supercritical
55rounds0led - 5Khosla Ventures
Arena, Vinci, Conway Research
54rounds5led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.