London-based startup PhysicsX has raised $300 million in a Series C funding round, valuing the company at approximately $2.4 billion. The round was oversubscribed and was led by Singaporean sovereign wealth fund Temasek. This more than doubles the company’s valuation compared to its previous funding round, in which PhysicsX had been valued at just under one billion dollars. In addition to Temasek, which had first invested in PhysicsX in 2025, new investors M&G Investments and Intrepid Growth