Elon Musk’s net worth has fallen below $400 billion as Tesla (TSLA) stock tumbles in 2025 amid growing concerns over the EV giant’s future. As

In keeping with his promotional nature, Musk said there was a path by which Tesla could be worth more than the next top five companies by market cap combined. Tesla was the seventh largest company in the S&P 500 at year-end. This result seems very unlikely, in my view.