Latest United States Startup Funding Rounds
Startup funding in United States: recent rounds, the companies behind them and their participating investors.
- Rounds
- 2,222 Jan 1 – Oct 26, 2026
- Disclosed funding
- $249B 1844 disclosed amounts
- Median round
- $24M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| 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 | |
 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 | |
| OS Orbital SentryCompany profile Builds persistent infrared imaging satellites for wildfire detection and defense Builds persistent infrared imaging satellites for wildfire detection and defense | Undisclosed | Pre-SeedPre-seed | Space tech | United States | Investors | |
| Z AI security and governance platform purpose-built for enterprise AI agents | $125M | Series CSeries C+ | Cybersecurity | United States | Investors | |
| I Whole-genome sequencing and bioinformatics platform for precision oncology | $31M | Series B | Biotech | United States | Investors | |
 Dash BioCompany profile Dash Bio provides automated bioanalysis for preclinical and clinical drug testing. Dash Bio provides automated bioanalysis for preclinical and clinical drug testing. | $30M | Series A | Biotech | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Jan 1, 2026
- 1Y Combinator (YC)
BioStack, Tractian, Blacksmith
132rounds3led - 2Andreessen Horowitz (a16z)
ASI, Eka Robotics, Town
98rounds19led - 3General Catalyst
Provision Labs, Tractian, Different
70rounds7led - 4Alumni Ventures
Maxinsights, Daytona, Chariot Claims
60rounds0led - 5Khosla Ventures
Arda Industries, Tolan
58rounds6led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.