Bill Ackman's Pershing Square fund has taken a major new position in Microsoft (NasdaqGS:MSFT), going public with the stake ...

Bill Ackman posted on X on May 15 that Pershing Square had taken a new position and that the 13F filing due later that day would reveal the details. He described the company as sitting at a "highly ...

The Bill Gates Foundation Trust sold its entire Microsoft (MSFT) stake in Q1 2026, offloading the final 7.7 million shares ...

Two of Wall Street's most closely watched billionaire stock pickers, both once voluble activist investors, took opposite ...

Microsoft stock dipped after the Gates Foundation sold its final $3.2B MSFT stake to fund a $9 billion philanthropy push.

Bill Ackman, founder and Chief Executive Officer of Pershing Square Capital, has explained why he sold his Alphabet GOOG ...

Despite the IPO's horrific first-day performance, Ackman is confident that "it's going to be a very good long-term ride" for ...

U.S. stocks retreated from artificial-intelligence-fueled record highs on Friday, as spiking crude prices ignited global inflation fears.

Meta's plan to cut about 10% of its workforce is tied to increased AI investment, while leaving the door open to additional layoffs. As AI spending booms, Meta announces 8,000 layoffs while Microsoft ...