Alphabet Stock Today (Nov. 17, 2025): Buffett’s Big Bet Meets Antitrust Heat and a $40B AI Gamble
Berkshire Hathaway disclosed a $4.3–4.9 billion stake in Alphabet, sending shares up as much as 7% in premarket trading before settling near $276, down 0.8% by early Monday. The move comes as Alphabet faces new EU fines and U.S. antitrust scrutiny. Berkshire now holds about 17.9 million shares, or 0.3% of the company. Alphabet’s market cap stands at roughly $3.3 trillion.