Archive · 29 Nov 2025
Sergey Brin Donates $1.1 Billion in Alphabet Stock
Sergey Brin, one of the richest people in the world, gave away over $1.1 billion worth of Alphabet stock.
Most of the money went to a nonprofit he created called Catalyst4, which helps with research on brain diseases and climate change.
He also gave some money to his family's foundation and the Michael J. Fox Foundation, which helps find cures for Parkinson’s disease.
Brin has become even richer this year because the price of Alphabet stock has gone up a lot.
He owns about 6% of Alphabet, and his total wealth has increased by $97.3 billion so far this year.
Sergey Brin donated over $1.1 billion in Alphabet stock to charities.
Most of the donation went to Catalyst4, supporting research on brain diseases and climate change.
Additional funds were given to Brin's family foundation and the Michael J. Fox Foundation.
Brin's net worth has increased significantly this year due to a rally in Alphabet shares.
He owns a 6% stake in Alphabet, which has seen a year-to-date gain of $97.3 billion.
- Who
- Sergey Brin, co-founder of Google and Alphabet Inc.
- What
- Donated $1.1 billion worth of Alphabet stock to charities.
- When
- This week, with the donation disclosed on Friday.
- Where
- The donation was made to organizations including Catalyst4, Brin's family foundation, and the Michael J. Fox Foundation.
- Why
- To support research into central nervous system diseases, climate-change solutions, and Parkinson’s disease.
- Recipient
- Catalyst4, Brin family foundation, Michael J. Fox Foundation
- Stock Shares
- 3.5 million
- Brin's Stake in Alphabet
- 6%