World's Billionaires: Elon Musk Tops the List — September 5, 2026

Elon Musk closed out September 5, 2026 atop the World's Billionaires list, an estimated $395.53B, built primarily on Tesla, SpaceX. Right behind: Michael Dell and Jeff Bezos follow in the next spots, at $386.90B and $277.83B respectively. Combined, the 51 people we track here are worth $3.85T, down $6.96B from the prior session.

Michael Dell posted the day's biggest gain, adding $5.43B (1.42%) to reach $386.90B (#2). The move traces to Dell Technologies (DELL), which climbed 1.5% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Elon Musk took the day's steepest loss, down $9.16B (2.26%) to $395.53B (#1). The move traces to Tesla (TSLA), which fell 5.92% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

Among the 7 Indian billionaires we track, Mukesh Ambani stays on top at $82.16B. Mukesh Ambani was the day's biggest move in that group, up $987.18M (1.22%) to $82.16B.

Among the 11 women we track, Alice Walton stays on top at $103.57B. Alice Walton was the day's biggest move in that group, down $640.00M (0.61%) to $103.57B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $245.87B. Mark Zuckerberg was the day's biggest move in that group, up $2.13B (0.87%) to $245.87B.

Mark Zuckerberg made the biggest rank jump, climbing from #6 to #5, with Larry Ellison and Sergey Brin also moving up. Sergey Brin slipped the furthest, from #5 to #6, alongside Jensen Huang and Mark Zuckerberg.