World's Billionaires: Elon Musk Tops the List — August 19, 2026

Elon Musk closed out August 19, 2026 atop the World's Billionaires list, an estimated $388.45B, built primarily on Tesla, SpaceX. Right behind: Michael Dell and Jeff Bezos follow in the next spots, at $348.06B and $278.69B respectively. Combined, the 51 people we track here are worth $3.77T, down $25.15B from the prior session.

Warren Buffett posted the day's biggest gain, adding $983.84M (0.93%) to reach $106.62B (#12). The move traces to Berkshire Hathaway (BRK-B), which climbed 0.95% on the day — most of a billionaire's daily swing simply follows their main stock's share price.

On the other side, Mark Zuckerberg took the day's steepest loss, down $8.86B (3.86%) to $220.28B (#6). The move traces to Meta Platforms (META), which fell 4.45% 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 $81.33B.

Among the 11 women we track, Alice Walton stays on top at $107.60B. Françoise Bettencourt Meyers was the day's biggest move in that group, up $503.71M (0.74%) to $68.47B.

Among the 8 billionaires under 45 we track, Mark Zuckerberg stays on top at $220.28B. Mark Zuckerberg was the day's biggest move in that group, down $8.86B (3.86%) to $220.28B.

Jim Walton made the biggest rank jump, climbing from #18 to #17, with Rob Walton and Daniel Ek also moving up. Zhong Shanshan slipped the furthest, from #17 to #18, alongside Changpeng Zhao and Savitri Jindal.