TL;DRLondon-based PhysicsX raised $300M in a Temasek-led Series C at a $2.4bn valuation, more than doubling in under a year. The F1-founded AI startup cuts engineering simulation from days to seconds and is growing fastest in AI data centre hardware.

London-based PhysicsX has raised $300 million in a Series C round led by Singaporean sovereign wealth fund Temasek, more than doubling its valuation to $2.4 billion, less than a year after its Series B priced the company at just under $1 billion.

The round was oversubscribed. Alongside Temasek, which first invested in PhysicsX during its 2025 Series B, new backers M&G Investments and Intrepid Growth Partners joined. Existing investors including Nvidia, Applied Materials, Atomico, General Catalyst, and Siemens all increased their stakes.

What PhysicsX does

PhysicsX builds an AI-native engineering platform that replaces conventional physics simulations, which take hours or days, with AI models that deliver results in seconds. The technology is used across aerospace, automotive, semiconductor manufacturing, energy, and materials production, and has already been applied to cut aircraft design cycles from months to days.