US startups raise 20 billion dollars in October venture capital deployment

United States startups secured 20.83 billion dollars across 563 venture funding rounds in October 2026, AlleyWatch reported. Total capital raised increased 71 percent compared with October 2025, although it fell 25 percent from the total recorded in September 2026. [1]

Large transactions drove much of the monthly total, according to AlleyWatch. Four funding rounds of 1 billion dollars or more generated 5.35 billion dollars, representing 26 percent of all capital deployed in October. Additionally, 43 rounds of 100 million dollars or more accounted for 68 percent of the overall total. [1]

Ramp raised 1.85 billion dollars in a Series G funding round led by Dragoneer and Thrive Capital, AlleyWatch reported. Tenstorrent closed a 1.5 billion dollar Series E round at a 6.2 billion dollar valuation. Kalshi collected 1 billion dollars in a Series G round co led by Sequoia Capital and Wellington Management, while Flapping Airplanes also completed a billion dollar round. [1]

Series A investments experienced a notable expansion during the month, according to AlleyWatch. Early stage Series A rounds totaled 5.11 billion dollars in October, representing a 72 percent increase from the 2.97 billion dollars raised in September. Three Series A rounds of 400 million dollars or more accounted for 2.27 billion dollars of that sector total. [1]