World's Billionaires: Elon Musk Tops the List — August 7, 2026

Elon Musk closed out August 7, 2026 atop the World's Billionaires list, an estimated $381.33B, built primarily on Tesla, SpaceX. Right behind: Michael Dell and Jeff Bezos follow in the next spots, at $326.36B and $290.48B respectively. Combined, the 51 people we track here are worth $3.81T, down $20.18B from the prior session.

Steve Ballmer posted the day's biggest gain, adding $4.13B (2.47%) to reach $171.45B (#9). The move traces to Microsoft (MSFT), which climbed 2.54% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Michael Dell took the day's steepest loss, down $17.54B (5.1%) to $326.36B (#2). The move traces to Dell Technologies (DELL), which fell 5.41% 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 $81.87B. Mukesh Ambani was the day's biggest move in that group, up $1.43B (1.78%) to $81.87B.

Among the 11 women we track, Alice Walton stays on top at $106.04B. Alice Walton was the day's biggest move in that group, down $135.00M (0.13%) to $106.04B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $236.47B. Mark Zuckerberg was the day's biggest move in that group, up $395.50M (0.17%) to $236.47B.

Changpeng Zhao made the biggest rank jump, climbing from #19 to #18, with Jim Walton also moving up. Jim Walton slipped the furthest, from #18 to #19, alongside Changpeng Zhao.