Alphabet announced plans to raise $80 billion through stock sales, including a $10 billion investment from Berkshire Hathaway, to expand its AI infrastructure.

The deal builds on a stake Berkshire has steadily expanded since late 2025, making Alphabet one of its biggest recent bets.

Alphabet said it plans to sell $80 billion in stock, including through a $10 billion investment by Berkshire Hathaway.

By Tomi Kilgore and Emily Bary