AI startup funding

AI startup funding, week by week

Each week Presspool lists the AI companies that publicly announced a funding round, each round confirmed at two linked public sources. The latest week, October 26–31, 2026, has 49 rounds; 44 announced in dollars; 42 exactly stated USD rounds total $1.5 billion; 2 qualified or unstated USD amounts excluded from totals and rankings. Of its 49 companies, 5 (10%) had already been cited in AI answers recorded by the Machine Relations Index. Across all 6 weeks: 343 listed confirmed rounds, and 287 announced in dollars; 279 exactly stated USD rounds total $16.19 billion; 8 qualified or unstated USD amounts excluded from totals and rankings. Counts and totals cover only listed confirmed rounds; the record may not include every round.

Every week

WeekRoundsAnnounced in dollarsLargest exact USD roundAlready cited by AI engines
October 26–31, 20264944 announced in dollars; 42 exactly stated USD rounds total $1.5 billion; 2 qualified or unstated USD amounts excluded from totals and rankingsUpwind, $400 million5 of 49
October 18–24, 202664the 52 announced in dollars total $3.81 billionFlapping Airplanes, $1 billion5 of 64
October 12–17, 20265443 announced in dollars; 42 exactly stated USD rounds total $912 million; 1 qualified or unstated USD amounts excluded from totals and rankingsSalience Labs, $125 million3 of 54
October 5–10, 20266253 announced in dollars; 51 exactly stated USD rounds total $2.92 billion; 2 qualified or unstated USD amounts excluded from totals and rankingsTypeSafe AI, $870 million4 of 62
September 28, 2026 – October 3, 202656the 46 announced in dollars total $3.32 billionInstinct, $1 billion5 of 56
September 21–26, 20265849 announced in dollars; 46 exactly stated USD rounds total $3.74 billion; 3 qualified or unstated USD amounts excluded from totals and rankingsTEKEVER, $580 million9 of 58

Research that measured these rosters

September 21–26, 2026: Machine Relations Research measured the 24 rounds this week's roster held when it was first published on September 26, 2026 against the Machine Relations Index release of the same day: the websites of 17 of the 24 companies were cited in none of 16,925 eligible answer runs recorded since May 10, 2026. 17 of 24 Newly Funded AI Companies Are in Zero AI Answers, Machine Relations Research, September 26, 2026.

How these rosters are built

A round is listed once two linked public sources confirm its amount and investors, as the method page sets out. Nobody pays to be listed. Every week is also in /weeks.json, and each week's page has a Markdown twin. Full method.