Sergey Brin Loses $11.03B in a Day as GOOGL Slides 4.44%
Sergey Brin's net worth fell by $11.03B (4.19%) on July 17, 2026, putting the Alphabet (Google) fortune at an estimated $252.49B — #6 in the world.
Published · Updated as figures moved · By RealTimeBillionaire Data Desk
Sergey Brin lost $11.03B of net worth on July 17, 2026, one of the day's biggest moves among the world's richest people. The swing (-$11.03B, or 4.19%) leaves the fortune at an estimated $252.49B, ranked #6 on our real-time list.
The move traces to GOOGL, the listed company behind most of the fortune, which fell 4.44% on the day to 354.46 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 Sergey Brin $10.10B behind Mark Zuckerberg ($262.59B) one spot up, with Jensen Huang closing in from below at $170.92B.
Co-founder of Google, former president of Alphabet Inc.
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.