The Youngest Billionaires (Under 45): Mark Zuckerberg Tops the List — July 17, 2026
Published · By RealTimeBillionaire Data Desk
Mark Zuckerberg led The Youngest Billionaires (Under 45) on July 17, 2026 with an estimated net worth of $262.59B. Whitney Wolfe Herd gained the most, up $1.05M (0.11%). Mark Zuckerberg fell the most, down $5.87B (2.19%).
Top 8
- 1Mark Zuckerberg$262.59B
- 2Brian Chesky$14.30B
- 3Pavel Durov$13.00B
- 4Daniel Ek$7.19B
- 5Brian Armstrong$4.77B
- 6Whitney Wolfe Herd$945.45M
- 7Bobby Murphy$696.98M
- 8Evan Spiegel$687.60M
Biggest Gainers
- Whitney Wolfe Herd-$1.05M (-0.11%)
- Evan Spiegel-$2.80M (-0.41%)
- Bobby Murphy-$2.94M (-0.42%)
- Brian Chesky-$52.20M (-0.36%)
- Daniel Ek-$120.90M (-1.65%)
Biggest Losers
- Mark Zuckerberg-$5.87B (-2.19%)
- Brian Armstrong-$157.92M (-3.2%)
- Daniel Ek-$120.90M (-1.65%)
- Brian Chesky-$52.20M (-0.36%)
- Bobby Murphy-$2.94M (-0.42%)
FAQ
- Who is the richest billionaire under 45 on July 17, 2026?
- Mark Zuckerberg, with an estimated net worth of $262.59B.
- Who gained the most net worth on July 17, 2026?
- Whitney Wolfe Herd added an estimated $1.05M (0.11%), bringing their net worth to $945.45M.
- Who lost the most net worth on July 17, 2026?
- Mark Zuckerberg fell an estimated $5.87B (2.19%), bringing their net worth to $262.59B.
- How many billionaires are on The Youngest Billionaires (Under 45) list?
- 8, with a combined estimated net worth of $304.18B as of July 17, 2026.
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Figures are directional estimates from public stock holdings, not audited valuations, and this site is not affiliated with Forbes.