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Sergey Brin Donates $700 Million in Alphabet Shares Following AI Announcements

The Google co-founder transferred 4.1 million shares to an undisclosed recipient, continuing his pattern of strategic philanthropic giving.

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Overview

  • Brin's donation, valued at nearly $700 million, was split between Class A (voting) and Class C (non-voting) Alphabet shares.
  • The gift was disclosed in an SEC filing on May 22, 2025, but the recipient remains unidentified, likely a charity, trust, or financial vehicle.
  • This donation aligns with Brin's history of leveraging Alphabet stock for philanthropy, including $600 million in May 2023 and over $100 million in May and November 2024.
  • The timing coincided with Google’s I/O developer conference, where new AI features boosted Alphabet shares by over 7%.
  • Brin, ranked 10th on Bloomberg’s Billionaires Index with a net worth of $144 billion, has focused his giving on Parkinson’s research and climate initiatives.