Bill Ackman has been quietly buying Microsoft since February, when AI fears were dragging the stock

Billionaire investor Bill Ackman has been strategically acquiring shares in Microsoft since February, capitalizing on a dip in the stock price driven by AI-related concerns. His hedge fund, Pershing Square Capital Management, has labeled Microsoft a 'core holding' but has not disclosed the exact size of the investment. This move reflects Ackman's confidence in Microsoft's long-term potential despite recent market volatility.