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

Elon Musk closed out September 7, 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 $209.08M from the prior session.

Germán Larrea posted the day's biggest gain, adding $27.30M (0.06%) to reach $44.51B (#23). The move traces to Grupo México (GMEXICOB.MX), which fell 0.81% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Prince Alwaleed bin Talal took the day's steepest loss, down $214.66M (0.94%) to $22.69B (#33). The move traces to Kingdom Holding (4280.SR), which fell 2.17% 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 $82.17B. Mukesh Ambani was the day's biggest move in that group, up $10.66M (0.01%) to $82.17B.

Among the 11 women we track, Alice Walton stays on top at $103.57B. Françoise Bettencourt Meyers was the day's biggest move in that group, down $15.55M (0.02%) to $69.60B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $245.87B.

Miriam Adelson made the biggest rank jump, climbing from #33 to #32, with Prince Alwaleed bin Talal also moving up. Prince Alwaleed bin Talal slipped the furthest, from #32 to #33, alongside Miriam Adelson.