Warren Buffett Stepped Back From Berkshire Hathaway With a Bang; Its Investment in 1 AI Stock Now Tops $30 Billion

Warren Buffett’s Berkshire Hathaway has built a roughly $30 billion position in Alphabet after Buffett began stepping back from day-to-day operations ahead of the end of 2025. In a CNBC interview, Buffett said the investment, confirmed by Berkshire’s buying activity and earlier June issuance, was largely prompted by his view of Google Search’s appeal, despite Berkshire’s traditional caution on tech. Berkshire bought $10 billion in newly issued Alphabet shares in June at about $350 each, and Alphabet stock closed around $333 on July 30. Berkshire’s late-2025 open-market purchases brought the total to $30 billion, making Alphabet a major position.