World's Billionaires: Elon Musk Tops the List — September 3, 2026

Elon Musk closed out September 3, 2026 atop the World's Billionaires list, an estimated $396.73B, built primarily on Tesla, SpaceX. Right behind: Michael Dell and Jeff Bezos follow in the next spots, at $364.54B and $274.58B respectively. Combined, the 51 people we track here are worth $3.79T, up $65.94B from the prior session.

Michael Dell posted the day's biggest gain, adding $47.04B (14.82%) to reach $364.54B (#2). The move traces to Dell Technologies (DELL), which climbed 15.81% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Steve Ballmer took the day's steepest loss, down $1.40B (0.81%) to $170.44B (#9). The move traces to Microsoft (MSFT), which fell 0.84% 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 $81.37B. Mukesh Ambani was the day's biggest move in that group, up $72.69M (0.09%) to $81.37B.

Among the 11 women we track, Alice Walton stays on top at $103.05B. Miriam Adelson was the day's biggest move in that group, up $280.00M (1.24%) to $22.82B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $237.50B. Mark Zuckerberg was the day's biggest move in that group, up $5.01B (2.15%) to $237.50B.

Larry Ellison made the biggest rank jump, climbing from #9 to #8, with Miriam Adelson and Steve Ballmer also moving up. Steve Ballmer slipped the furthest, from #8 to #9, alongside Prince Alwaleed bin Talal and Larry Ellison.