World's Billionaires: Michael Dell Tops the List — September 19, 2026

Michael Dell closed out September 19, 2026 atop the World's Billionaires list, an estimated $417.64B, built primarily on Dell Technologies. Right behind: Elon Musk and Jeff Bezos follow in the next spots, at $399.71B and $273.41B respectively. Combined, the 51 people we track here are worth $3.87T, down $21.34B from the prior session.

Jensen Huang posted the day's biggest gain, adding $2.34B (1.3%) to reach $182.82B (#7). The move traces to Nvidia (NVDA), which climbed 1.34% 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 $14.24B (3.3%) to $417.64B (#1). The move traces to Dell Technologies (DELL), which fell 3.46% 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 $76.41B. Mukesh Ambani was the day's biggest move in that group, down $832.75M (1.08%) to $76.41B.

Among the 11 women we track, Alice Walton stays on top at $103.37B. Françoise Bettencourt Meyers was the day's biggest move in that group, down $455.27M (0.66%) to $68.20B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $263.01B. Mark Zuckerberg was the day's biggest move in that group, down $5.80B (2.16%) to $263.01B.

Jack Ma made the biggest rank jump, climbing from #30 to #28, with Jensen Huang and MacKenzie Scott also moving up. Larry Ellison slipped the furthest, from #7 to #8, alongside Germán Larrea and Abigail Johnson.