US Venture Capital funding reaches $27.89B in September 2026

US startups raised $27.89 billion across 754 funding rounds in September 2026, representing a 54% increase from August, though the total remains 9.8% below September 2025 levels.

Late-stage funding saw significant growth, accounting for $19.84 billion or 71.2% of the month's total capital. Four rounds of $1 billion or more were recorded, including $3.9 billion for Crusoe, $3.0 billion for The Boring Company, $2.0 billion for Cognition, and $1.0 billion for Stoke Space.

Sector-specific investments were heavily concentrated in AI infrastructure, compute, and networking, with companies such as Crusoe, Positron, Gimlet Labs, Celero, GMI Cloud, and Cornelis Networks raising a combined $5.78 billion. Space and defense companies, including Stoke Space, Mach Industries, and Impulse Space, raised $1.91 billion.

Geographically, California led US funding with $9.58 billion (34% of the total), followed by Colorado at $4.32 billion and Texas at $4.17 billion. New York's share of US capital rose to 11.2% in September.