Berkshire Hathaway boosts Alphabet to a top three holding, ups Delta and housing bets

•Berkshire Hathaway increased its stake in Alphabet by 83% in Q2, making it the third-largest U.S.-listed equity holding by market value.

•The conglomerate also added to its investments in Delta Air Lines, increasing its holding by 44% to 57.3 million shares.

•Berkshire boosted its housing bets, increasing its holding of Lennar Class A shares by nearly 30% and adding a small position in D.R. Horton.