Group 1 - Berkshire Hathaway has established a new position in Alphabet, acquiring approximately 17.85 million shares valued at around $4.3 billion, representing about 1.6% of its publicly disclosed 13F portfolio [2] - This investment indicates that Berkshire is increasing its exposure to the technology sector during a transitional period in management as Warren Buffett steps back [2] - Alphabet reported its Q3 2025 earnings, achieving revenue of approximately $102.3 billion, a year-over-year increase of about 16%, with cloud services revenue reaching around $15.2 billion, up 34% [4] Group 2 - The net profit for Alphabet in Q3 2025 was approximately $35 billion, reflecting a year-over-year growth of about 33%, with earnings per share at around $2.87 [4] - Following Buffett's announcement on November 10 regarding his decision to step back from writing Berkshire's annual report, the investment in Alphabet may not have been solely his decision [5] - Berkshire Hathaway's A shares have returned 12.18% year-to-date as of November 14, slightly underperforming the S&P 500 index, which returned 14.49% in the same period [5]