
Warren Buffett, the world's most celebrated investor, will step down as Berkshire Hathaway's chief executive officer on 31 December 2025, ending a 60-year tenure that transformed a failing textile company into a $1.08 trillion (£800B) empire.
For millions of retirement savers whose 401(k) plans hold Berkshire shares or index funds weighted toward the conglomerate, the question looms large: should you worry?