Warren Buffett stepped down as CEO of Berkshire Hathaway (NYSE: BRK-B | BRK-B Price Prediction) on December 31, 2025, after six decades leading the conglomerate he transformed from a struggling textile mill into a $1 trillion empire. The “Oracle of Omaha” left his successor, Greg Abel, with a very concentrated portfolio: more than 65% of Berkshire’s ... Why a Passive Income Portfolio With 5 of Warren Buffett’s Highest Yielding Stocks Is Genius