Elon Musk has long railed against the U.S. government, saying a crushing number of federal probes and safety programs have stymied Tesla, his electric car company, and its efforts to create fleets of robotaxis and other self-driving automobiles.

After reaching a net worth of more than $486 billion in December, Elon Musk’s wealth has sunk below $400 billion for the first time in 2025. Tesla—where Musk derives about 60% of his wealth—has had an abysmal year. Waning demand and Musk’s continued controversial foray into politics have helped drive the stock down 27%.

Tesla’s stock continues to pullback, as the souring of public opinion toward CEO Elon Musk fuels worries of lower sales.