Ackman's Pershing Square takes stake in Microsoft, citing 'compelling' valuation

Bill Ackman, chief executive officer of Pershing Square Capital Management LP, center, during the company's initial public offering (IPO) on the floor of the New York Stock Exchange (NYSE) in New York, US, on Wednesday, April 29, 2026. Michael Nagle | Bloomberg | Getty Images Bill Ackman's hedge fund Pershing Square will disclose a new ⁠position in Microsoft later in the day, the ​billionaire investor ​said on ​Friday, arguing that the tech giant sits at a "highly compelling valuation". …