US startups raise $27.89B in September 2026, up 54% from August
The September 20026 US Venture Capital Funding Report
AI Overview
US startups raised $27.89B across 754 rounds in September 2026, up 54% from August's $18.1B but 9.8% below September 2025's $30.91B. Four rounds of $1B or more.
Why it matters
September's totals show how much of US venture capital now concentrates in a handful of AI infrastructure, space and defense rounds, with four deals alone taking 36% of the month.