Greg Abel’s Berkshire Hathaway filing shows Alphabet, Delta Air Lines and housing stocks among its biggest US positions, while trimming Bank of America and exiting Capital One and Constellation Brands. The portfolio was worth $299.25 billion, according to BeInCrypto, and Berkshire bought $23.5 billion of stock and sold $3.7 billion in the quarter, ending 14 straight quarters of selling. Berkshire also held about 106 million Alphabet shares and a $5.4 billion Delta stake.