Sergey Brin Loses $5.15B in a Day as GOOGL Slides 2.17%

Sergey Brin lost $5.15B of net worth on July 18, 2026, one of the day's biggest moves among the world's richest people. The swing (-$5.15B, or 2.04%) leaves the fortune at an estimated $247.34B, ranked #6 on our real-time list.

The move traces to GOOGL, the listed company behind most of the fortune, which fell 2.17% on the day to 346.77 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 $8.77B behind Mark Zuckerberg ($256.10B) one spot up, with Jensen Huang closing in from below at $167.25B.

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.