Defense Tech Startup Mach Industries Reaches $1.8 Billion Valuation After Series C Raise
Mach Industries, a defense technology startup founded in 2023 and led by CEO Ethan Thornton at age 22, has raised $300 million in a Series C funding round, valuing the company at $1.8 billion — nearly four times its valuation from June 2025. The investment was led by Infinite Capital and Ribbit Capital, with participation from major VCs like Sequoia and Khosla Ventures.
Topics: autonomous weapons defense tech Series C round startup funding