Crusoe and Fluidstack lead AI infrastructure funding surge in 2026

In the week of August 29 to September 4, 2026, AI infrastructure dominated the top funding rounds, with Crusoe securing $3 billion and Fluidstack raising $1.5 billion. Denver-based Crusoe, led by Atreides Management and Valor Equity Partners, now totals $7.2 billion in funding and is valued at $30 billion. New York-based Fluidstack, led by Jane Street Capital, reached $2.6 billion in funding with a valuation of $18 billion. Other notable deals included Gimlet Labs and Upwind Security, both raising $300 million. Gimlet, backed by Andreessen Horowitz, focuses on AI inference, while Upwind Security, co-led by Bessemer Venture Partners and TCV, combines cloud security with AI. Additional rounds included David’s $250 million for food and nutrition, HiBob’s $166 million for HR software, and Lyte AI’s $165 million for robotics. TabaPay raised $155 million for fintech, while Thyme Care and HiddenLayer secured $125 million and $100 million respectively in healthcare and AI cybersecurity. All deals reflect the growing demand for AI infrastructure and related technologies in 2026.