What moved it
First place again.
That year’s milestones
- $500B, October 2025. Passes $500 billion. Wealth of Elon Musk, Wikipedia, citing Forbes
- $600B, 15 December 2025. The first person ever worth $600 billion. Forbes, 15 December 2025
- $700B, 19 December 2025. Passes $700 billion, four days after $600 billion. Wealth of Elon Musk, Wikipedia, citing Forbes
Against today
Our checkpoint at the close on 15 October 2026 was $924.3 billion, which is 2.7 times his March 2025 figure. Against the $22 million he took from selling Zip2 in 1999, the 2025 figure was 15,545 times as much.
Where the figure comes from
His entry on the Forbes World’s Billionaires list, published each March and measured a few weeks before: The World's Billionaires, Wikipedia, citing Forbes . Every year is on History.