Warren Buffett’s Berkshire Hathaway disclosed a new $4.3 billion position in Alphabet, making it the 10th-largest equity holding. This marks a rare tech investment for Berkshire, likely initiated by portfolio managers Todd Combs or Ted Weschler. Alphabet shares are up 46% year-to-date on strong AI and cloud demand. Berkshire also trimmed its Apple stake by 15% to $60.7 billion. The conglomerate cut holdings in Bank of America, Verisign, and DaVita during Q3. Berkshire has been a net seller of equities for 12 consecutive quarters amid elevated market valuations. CEO Warren Buffett, 95, is set to step down at year-end, with Vice Chairman Greg Abel succeeding him.

Read more at Quiver Quantitative: Berkshire Hathaway Reveals New $4.3 Billion Alphabet (GOOGL) Stake, Trims Apple and Bank of America Holdings