Mark Zuckerberg Loses $5.87B in a Day as META Slides 2.46%
Mark Zuckerberg's net worth fell by $5.87B (2.19%) on July 17, 2026, putting the Meta Platforms fortune at an estimated $262.59B — #5 in the world.
Published · Updated as figures moved · By RealTimeBillionaire Data Desk
Mark Zuckerberg lost $5.87B of net worth on July 17, 2026, one of the day's biggest moves among the world's richest people. The swing (-$5.87B, or 2.19%) leaves the fortune at an estimated $262.59B, ranked #5 on our real-time list.
The move traces to META, the listed company behind most of the fortune, which fell 2.46% on the day to 664.54 USD per share. Because a billionaire's wealth is concentrated in stock, daily net worth simply follows the share price multiplied by the shares held.
The loss leaves Mark Zuckerberg $533.00M behind Larry Page ($263.12B) one spot up, with Sergey Brin closing in from below at $252.49B.
Co-founder, chairman, and CEO of Meta Platforms (Facebook, Instagram, WhatsApp).
Figures are our real-time estimates, derived from public stock holdings plus a static estimate for private assets — directional, not audited, and they will move again with the next trading session.