In his inaugural letter to shareholders as CEO, Greg Abel signaled a potential shift in Berkshire Hathaway Inc.'s (NYSE:BRK) (NYSE:BRK) equity strategy by not mentioning two of the firm's largest holdings from his list of “core” investments.The ‘Core Four’ Vs. The Missing GiantsAbel's letter emphasized a “concentrated approach” toward businesses Berkshire intends to hold for decades.This omission also aligns with a 9% reduction in the Bank of America stake during the final quarter of 2025. While the Chevron ...