Warren Buffett's Berkshire Hathaway reveals $4B stake in Google parent, sells more Apple

Core Viewpoint - Berkshire Hathaway disclosed a $4.3 billion investment in Alphabet, while reducing its stake in Apple, marking a significant shift in its equity portfolio as Warren Buffett prepares to step down as CEO [1][2]. Group 1: Investment in Alphabet - Berkshire Hathaway owns 17.85 million shares of Alphabet as of September 30 [1][4]. - The investment in Alphabet is valued at approximately $4.3 billion [1]. Group 2: Changes in Apple Stake - Berkshire reduced its Apple stake to 238.2 million shares from 280 million shares in the third quarter [2]. - The company has sold nearly three-quarters of its original 905 million shares in Apple [2]. Group 3: Overall Equity Portfolio - As of September 30, Berkshire's US-listed stock holdings constitute a significant portion of its $283.2 billion equity portfolio [3].