Pershing Square initiated a new position in Microsoft. (Michael M. Santiago/Getty Images)Pershing Square Capital Management, the hedge fund run by billionaire Bill Ackman, added Microsoft as a core holding during the first quarter of 2026, betting that the software giant will be a winner in the artificial-intelligence race.
Pershing Square Snapped Up Microsoft Shares, Exited Hilton, Slashed Alphabet Stake in First Quarter
The fund’s latest 13F filing was submitted to the Securities and Exchange Commission on Friday.










