Investors often track billionaire stock holdings, which are disclosed through SEC Form 13F filings by money managers with over $100 million in assets. Notably, Chase Coleman of Tiger Global Management, who is a long-term investor, made no trades in four of his five largest holdings in Q3 2025, with Microsoft being his top investment at 10.5% of his portfolio. Microsoft, a favorite among billionaires, raises the question of whether it is a wise investment for others as well.
