Latest United States Startup Funding Rounds
Startup funding in United States: recent rounds, the companies behind them and their participating investors.
- Rounds
- 738 Jul 29 – Oct 26, 2026
- Disclosed funding
- $108B 590 disclosed amounts
- Median round
- $25M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| S Builds orbital data centers running AI GPU compute in space | $250M | Series A extensionSeries A | Space tech | United States | Investors | |
| MM Develops a combined imaging and therapy system for prostate care | $31.5M | Series A | Healthtech | United States | Investors | |
| MS Muon SpaceCompany profile Muon Space designs, deploys and operates satellite constellations tailored to customer missions and monitoring needs. Muon Space designs, deploys and operates satellite constellations tailored to customer missions and monitoring needs. | $250M | Series CSeries C+ | Space tech | United States | Investors | |
 Apollo AtomicsCompany profile Apollo Atomics develops compact pressurized-water reactors designed for factory manufacturing. Apollo Atomics develops compact pressurized-water reactors designed for factory manufacturing. | $31M | Seed | Climate tech | United States | Investors | |
| TA Twin1 AICompany profile Gives professionals AI-powered digital twins that scale their expertise securely Gives professionals AI-powered digital twins that scale their expertise securely | $20M | Seed | AI | United States | Investors | |
| R AI-first system of record for independent hardware, paint, and supply stores | $30M | Series B | Ecommerce | United States | Investors | |
| RN Relativity NetworksCompany profile Builds hollow-core fiber optical networking technology connecting distributed AI data centers Builds hollow-core fiber optical networking technology connecting distributed AI data centers | $22M | SAFE financingUndisclosed | Hardware | United States | Investors | |
| KI KaliVir ImmunotherapeuticsCompany profile Develops oncolytic immunotherapies for patients with advanced solid tumors Develops oncolytic immunotherapies for patients with advanced solid tumors | $14M | Series A | Biotech | United States | Investors | |
| OP Ours PrivacyCompany profile Provides a HIPAA-compliant customer data platform for healthcare marketers Provides a HIPAA-compliant customer data platform for healthcare marketers | $15M | Series A | Healthtech | United States | Investors | |
| T TravelXCompany profile AI-native platform helping airlines dynamically optimize inventory after booking AI-native platform helping airlines dynamically optimize inventory after booking | Undisclosed | Series A | AI | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Jul 29, 2026
- 1Y Combinator (YC)
BioStack, Tractian, Blacksmith
56rounds3led - 2Andreessen Horowitz (a16z)
ASI, Eka Robotics, Town
42rounds16led - 3Khosla Ventures
Arda Industries, Tolan
25rounds6led - 4Sequoia Capital
Warhound, Whop, Blacksmith
23rounds7led - 5Alumni Ventures
Maxinsights, Daytona, Chariot Claims
22rounds0led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.