World's Billionaires: Michael Dell Tops the List — September 16, 2026

Michael Dell closed out September 16, 2026 atop the World's Billionaires list, an estimated $400.46B, built primarily on Dell Technologies. Right behind: Elon Musk and Jeff Bezos follow in the next spots, at $396.55B and $268.55B respectively. Combined, the 51 people we track here are worth $3.83T, down $18.88B from the prior session.

Michael Dell posted the day's biggest gain, adding $6.46B (1.64%) to reach $400.46B (#1). The move traces to Dell Technologies (DELL), which climbed 1.73% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Larry Ellison took the day's steepest loss, down $4.88B (2.8%) to $169.39B (#9). The move traces to Oracle (ORCL), which fell 3.07% 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 $76.86B. Mukesh Ambani was the day's biggest move in that group, down $1.01B (1.3%) to $76.86B.

Among the 11 women we track, Alice Walton stays on top at $104.05B. Alice Walton was the day's biggest move in that group, down $495.00M (0.47%) to $104.05B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $264.58B. Mark Zuckerberg was the day's biggest move in that group, up $1.62B (0.62%) to $264.58B.

Michael Dell made the biggest rank jump, climbing from #2 to #1, with Jensen Huang and Steve Ballmer also moving up. Larry Ellison slipped the furthest, from #7 to #9, alongside Elon Musk and Michael Dell.