World's Billionaires: Elon Musk Tops the List — August 4, 2026

Elon Musk closed out August 4, 2026 atop the World's Billionaires list, an estimated $382.37B, built primarily on Tesla, SpaceX. Right behind: Michael Dell and Jeff Bezos follow in the next spots, at $320.31B and $301.30B respectively. Combined, the 51 people we track here are worth $3.82T, up $32.08B from the prior session.

Michael Dell posted the day's biggest gain, adding $23.81B (8.03%) to reach $320.31B (#2). The move traces to Dell Technologies (DELL), which climbed 5.83% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Bernard Arnault took the day's steepest loss, down $2.09B (1.49%) to $137.73B (#10). The move traces to LVMH (MC.PA), which climbed 2.47% 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 $81.42B.

Among the 11 women we track, Alice Walton stays on top at $105.36B. Françoise Bettencourt Meyers was the day's biggest move in that group, down $586.71M (0.83%) to $69.88B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $236.58B. Mark Zuckerberg was the day's biggest move in that group, up $1.45B (0.62%) to $236.58B.

Michael Dell made the biggest rank jump, climbing from #3 to #2, with Larry Ellison and Jensen Huang also moving up. Steve Ballmer slipped the furthest, from #7 to #9, alongside Jeff Bezos and Miriam Adelson.