Berkshire's Alphabet Stake Climbs in Value as AI Stock Nears $400

As of May 25, Alphabet shares have rallied sharply to ~$380–$400 after Berkshire's Q1 purchases at an average ~$314. The 13-F filings first revealed on May 15 that new CEO Greg Abel more than tripled the Alphabet stake to ~58 million shares (~$17–23 billion) while opening a $2.6–3 billion Delta Air Lines position and exiting 16 holdings. Subsequent reports through May 20 highlighted Abel's aggressive tech concentration versus Bill Ackman's 95% Alphabet exit to fund Microsoft, alongside Berkshire's record $397.6 billion cash pile. Latest coverage notes robust Google Cloud growth (+63% YoY) but flags the stock's rich 27x operating-cash-flow multiple post-rally.