Latest United States Startup Funding Rounds
Startup funding in United States: recent rounds, the companies behind them and their participating investors.
- Rounds
- 168 Sep 30 – Oct 29, 2026
- Disclosed funding
- $64.1B 147 disclosed amounts
- Median round
- $30M Of disclosed amounts
| Company | Amount | Round | Sector | Country | Investors | Announced |
|---|---|---|---|---|---|---|
| V VolantisCompany profile Photonic computing and interconnect technology for fast, large-scale AI inference. Photonic computing and interconnect technology for fast, large-scale AI inference. | $88M | Series A | AI | United States | Investors | |
| DH Devoted HealthCompany profile Devoted Health brings Medicare Advantage coverage together with medical care, virtual visits, in-home services and Member Service Guides for older adults. Devoted Health brings Medicare Advantage coverage together with medical care, virtual visits, in-home services and Member Service Guides for older adults. | $555M | Series GSeries C+ | Healthtech | United States | Investors | |
 ArmadinCompany profile Armadin develops AI agents that test attack paths across enterprise systems and show defenders how connected weaknesses could be exploited. Armadin develops AI agents that test attack paths across enterprise systems and show defenders how connected weaknesses could be exploited. | $255.5M | Series B | Cybersecurity | United States | Investors | |
| S SatlytCompany profile Software that lets satellite operators run additional applications and AI workloads on existing spacecraft. Software that lets satellite operators run additional applications and AI workloads on existing spacecraft. | $8M | Seed | Space tech | United States | Investors | |
| A AugmetaCompany profile AI operators monitor business KPIs and take action to protect revenue or find growth opportunities. AI operators monitor business KPIs and take action to protect revenue or find growth opportunities. | $3M | Seed | Enterprise software | United States | Investors | |
| P PhotonCompany profile Photon provides messaging infrastructure that lets developers run AI agents inside iMessage, WhatsApp and other communication channels. Photon provides messaging infrastructure that lets developers run AI agents inside iMessage, WhatsApp and other communication channels. | $4.5M | Seed | Developer tools | United States | Investors | |
| A AnthropicCompany profile Develops Claude and conducts research into reliable, interpretable and steerable artificial intelligence. Develops Claude and conducts research into reliable, interpretable and steerable artificial intelligence. | ≤$42B | Convertible financing facilityUndisclosed | AI | United States | Investors | |
| AB Aptatek Biosciences, Inc.Company profile Aptatek Biosciences develops connected diagnostic tools for metabolic monitoring at home. Its investigational PheCheck programme measures blood phenylalanine for people with PKU. Aptatek Biosciences develops connected diagnostic tools for metabolic monitoring at home. Its investigational PheCheck programme measures blood phenylalanine for people with PKU. | Undisclosed | Initial close of financingUndisclosed | Biotech | United States | Investors | |
| O OrtetCompany profile Ortet is an AI research lab building models and shared computing and data infrastructure for healthcare and life-science work. Ortet is an AI research lab building models and shared computing and data infrastructure for healthcare and life-science work. | $500M | Investment commitmentUndisclosed | AI | United States | Investors | |
| FE Flow EngineeringCompany profile Flow Engineering builds requirements management software and AI agents for hardware development teams. Flow Engineering builds requirements management software and AI agents for hardware development teams. | $50M | Series B | Enterprise software | United States | Investors |
Active investors in this selection
All investors →Ranked by rounds participated in · From Sep 30, 2026
- 1Andreessen Horowitz (a16z)
Hex, ASI, Eka Robotics
17rounds7led - 2Y Combinator (YC)
Vera Health, BioStack, Tractian
13rounds0led - 3General Catalyst
Hyperbolic, Re:Build, Provision Labs
11rounds4led - 4Sequoia Capital
Hex, Warhound, Whop
10rounds4led - 5SV Angel
Vera Health, BioStack, Arda Industries
8rounds0led
Latest digests
Archive →Explore published rounds while the next edition is being prepared.