October 8, 2025 — We’re pleased to announce that as of September 23, we have raised $510 million in Series D funding led by Thomas Tull’s US Innovative Technology Fund (USIT) in conjunction with a $100 million debt facility led by Silicon Valley Bank. This new financing, which more than doubles our total capital raised to $990 million, will accelerate product development and expansion.

The round also drew support from Washington Harbour Partners LP and General Innovation Capital Partners, underscoring Stoke’s importance to national security and the U.S. industrial base. Existing backers who also participated include 776, Breakthrough Energy, Glade Brook Capital, Industrious Ventures, NFX, Sparta Group, Toyota Ventures, Woven Capital, among others.