Elon Musk lost his trillionaire status again after just three days, as his net worth fell from a recent high of $1.05 trillion to $987 billion on Thursday, according to the Bloomberg Billionaire Index.
The swing came alongside weakness in his companies. SpaceX shares were down 3.5% and trading under $162 yesterday, while Tesla was also down more than 2%. Forbes estimated that Musk lost $21 billion Wednesday morning when SpaceX shares fell after a report that the company plans to raise $40 billion to buy Nvidia chips.
That followed a sharp run-up earlier in the week. SpaceX shares rose nearly 8% at the start of the week, and Morgan Stanley analysts called the stock 'cheap' at the day’s prices. Musk owns around 4.76 billion shares of SpaceX, including another 1.3 billion shares of unvested restricted stock, which pushed his net worth back above $1 trillion before the latest reversal.
Musk has long argued that the headline figure is not the same as cash. 'Trillionaire represents some percentage ownership in companies that I built, and it’s not sitting in a bank account,' he said in an interview with entrepreneur Peter Diamandis earlier this year. He also said, 'I own a percentage of the companies. The companies are doing lots of useful things, the value of the company grows.'
The billionaire volatility is not unique to Musk. The piece also points to Oracle founder Larry Ellison, whose net worth rose by $101 billion after a breakout earnings report and then fell by an estimated $34 billion just two days later. Michael Dell, Larry Page and Jeff Bezos also saw large gains over the same period.
Ray Dalio offered the same basic distinction between paper wealth and money that can actually be spent. 'Wealth is not the same as money,' Dalio said on Steven Bartlett’s podcast. 'You have to sell the wealth to get money because you can only spend money.'
For markets, this is a simple reminder that net worth headlines are often just a reflection of stock prices, leverage and investor sentiment. Capital rewards clear rules, but it also punishes assumptions fast. A trillion-dollar label can vanish in days when the market has already voted otherwise.
The bigger question is what this says about wealth in a system increasingly shaped by AI and equity markets. Musk told The Economist that 'Money won’t matter in 2036,' and he has floated the idea of 'universal high income.' Whether that future arrives or not, the present still runs on ownership, earnings and the market’s daily verdict.
