Dollars rain on Elon Musk, net worth jumped by $42.2 billion in a single day

There has been a huge increase in the wealth of Tesla’s Elon Musk, the world’s richest person. On Wednesday, there was such a rain of dollars on them that they lost 42.2 billion dollars in a single day. According to Bloomberg Billionaires Index, Musk’s wealth has reached $683 billion after this jump. Musk’s wealth has increased by $63.1 billion in just 14 days. On the other hand, the top-10 billionaires of the Bloomberg Billionaires Index suffered major setbacks on Wednesday. Jeff Bezos got a blow of $ 5.22 billion, Larry Ellison got a blow of $ 8.85 billion, Mark Zuckerberg got a blow of $ 5.32 billion and Bernard Arnault got a blow of $ 2.48 billion. Steve Ballmer also lost $3.55 billion and Jensen Huang lost $2.16 billion. Larry Page lost $70.5 million, Sergey Brin lost $90 million and Warren Buffett lost $118 million. Musk is the CEO of Tesla, the world’s most valuable car maker, and private rocket business SpaceX. Musk owns about 12% of Tesla, according to the company’s 2025 proxy statement. He also has about 304 million exercisable stock options from his 2018 compensation package. According to Bloomberg, SpaceX’s valuation has been done using a December 2025 tender offer, valuing the company at about $800 billion. Musk owns about 42% of the private company through a trust, based on a September 2025 filing with the Federal Communications Commission. 5% private company discount has been applied. An adjustment was made to take into account the new valuation in December 2025, increasing his net worth by $168 billion.

Why did wealth soar?

xAI’s valuation is calculated using the January 2026 funding round, which raised $20 billion and had a post-money valuation of $230 billion. According to a person familiar with the company’s capital structure, who did not want to be identified because the information is private, Musk owned 51% of the company after the round. 15% liquidity discount has been applied. The new valuation was implemented in January 2026, increasing his net worth by $48 billion.