Upwind Closes $400 Million Series C at $3.8 Billion Valuation as Revenue Quadruples in 2026
New York, United States, October 28th, 2026, FinanceWire
Led by Bessemer Venture Partners, the funding will accelerate Upwind’s cloud and AI security platform as enterprises face major infrastructure shifts and rising threats from AI-powered attacks and autonomous agents.
Upwind Security, the cloud and AI security company, today announced the close of its $400 million Series C funding round at a $3.8 billion valuation. The round was led by Bessemer Venture Partners, with participation from Canapi Ventures and existing investors Cyberstarts, Greylock Partners, Craft Ventures, Leaders Fund, Salesforce Ventures, TCV, Alta Park Capital, Penny Jar Capital, Cerca Partners, Swish Ventures, and Picture Capital.
The announcement follows a period of significant growth for Upwind, which has quadru...