Legendary investor Warren Buffett ended his run as the CEO of Berkshire Hathaway (NYSE:BRK)(NYSE:BRK) at the end of 2025. Buffett may have another long run coming to an end as of Tuesday. Buffett Drops Out Of Top 10 Richest Once the richest person in the world, Buffett finished 2025 ranked 10th at a net worth of $151 billion, up $9.44 billion for the year. Just over one month into 2026, Buffett has fallen out of the top 10 richest people in the world, with Walmart Inc (NYSE:WMT) heir Jim Walton