4 Dow Jones Industrial Giants Make Up 50% of Warren Buffett's Berkshire Hathaway Portfolio - 24/7 Wall St. 4 Dow Jones Industrial Giants Make Up 50% of Warren Buffett's Berkshire Hathaway Portfolio By Lee Jackson Published Jul 30, 8:43AM EDT Quick Read Greg Abel became Berkshire CEO January 1, 2026, preserving Buffett's buy-forever strategy that concentrates 50% of holdings in just four Dow stocks. Apple ($$AAPL) anchors Berkshire's portfolio at 21% despite recent share trimming, while Coca-Cola ($$KO) delive ...