World's Billionaires: Elon Musk Tops the List — September 10, 2026
Published · By News Desk (automated, compiled from live market data)
Elon Musk closed out September 10, 2026 atop the World's Billionaires list, an estimated $401.17B, built primarily on Tesla, SpaceX. Right behind: Michael Dell and Jeff Bezos follow in the next spots, at $394.68B and $272.21B respectively. Combined, the 51 people we track here are worth $3.84T, down $8.91B from the prior session.
Mark Zuckerberg posted the day's biggest gain, adding $14.07B (5.75%) to reach $258.79B (#4). The move traces to Meta Platforms (META), which climbed 6.55% on the day — most of a billionaire's daily swing simply follows their main stock's share price.
On the other side, Larry Page took the day's steepest loss, down $5.40B (2.14%) to $246.45B (#5). The move traces to Alphabet (Google) (GOOGL), which fell 2.28% 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 $79.53B. Mukesh Ambani was the day's biggest move in that group, down $488.29M (0.61%) to $79.53B.
Among the 11 women we track, Alice Walton stays on top at $102.92B. MacKenzie Scott was the day's biggest move in that group, down $411.30M (0.95%) to $42.72B.
Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $258.79B. Mark Zuckerberg was the day's biggest move in that group, up $14.07B (5.75%) to $258.79B.
Mark Zuckerberg made the biggest rank jump, climbing from #5 to #4, with Abigail Johnson and Aliko Dangote also moving up. Jack Ma slipped the furthest, from #28 to #30, alongside Larry Page and Miriam Adelson.
Top 10
- 1Elon Musk$401.17B
- 2Michael Dell$394.68B
- 3Jeff Bezos$272.21B
- 4Mark Zuckerberg$258.79B
- 5Larry Page$246.45B
- 6Sergey Brin$236.54B
- 7Larry Ellison$192.79B
- 8Jensen Huang$183.94B
- 9Steve Ballmer$168.72B
- 10Bernard Arnault$120.48B
Biggest Gainers
- Mark Zuckerberg+$14.07B (+5.75%)
- Michael Dell+$959.00M (+0.24%)
- Warren Buffett+$185.12M (+0.17%)
- Masayoshi Son+$59.38M (+0.17%)
- Gautam Adani+$11.34M (+0.02%)
Biggest Losers
- Larry Page-$5.40B (-2.14%)
- Sergey Brin-$5.17B (-2.14%)
- Jeff Bezos-$4.20B (-1.52%)
- Bernard Arnault-$1.98B (-1.61%)
- Jensen Huang-$1.65B (-0.89%)
Rank Moves
Climbed
- Mark Zuckerberg#5 → #4
- Abigail Johnson#29 → #28
- Aliko Dangote#30 → #29
Slipped
- Jack Ma#28 → #30
- Larry Page#4 → #5
- Miriam Adelson#32 → #33
FAQ
- Who is the richest billionaire in the world on September 10, 2026?
- Elon Musk, with an estimated net worth of $401.17B.
- Who gained the most net worth on September 10, 2026?
- Mark Zuckerberg added an estimated $14.07B (5.75%), bringing their net worth to $258.79B.
- Who lost the most net worth on September 10, 2026?
- Larry Page fell an estimated $5.40B (2.14%), bringing their net worth to $246.45B.
- How many billionaires are on the World's Billionaires list?
- 51, with a combined estimated net worth of $3.84T as of September 10, 2026.
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Figures are directional estimates from public stock holdings, not audited valuations, and this site is not affiliated with Forbes.