Bill Ackman is one of the most widely followed investment managers in the world. He's in charge of Pershing Square Capital, a ...

Bill Ackman, the head of Pershing Square Capital Management, posted on X that the government should carefully review U.S.

A former personal assistant to Arizona Cardinals owner Michael Bidwill has filed a lawsuit against him, saying that she was ...

Billionaire hedge fund manager Bill Ackman revealed on Friday that his activist investment firm has bought up approximately ...

Pershing Square’s Bill Ackman revealed Friday that he has built a significant stake in Uber, saying the stock is still ...

With Bill Ackman's posts, one of the world’s most prominent investors is intensifying a dispute between a doctor and ...

Plus, the food conglomerate owner of Krispy Kreme buys an insurance company and a distressed-debt battle in Japan ...

The penalty phase of the government's antitrust case against Google is set to begin soon, and Apple stands to lose billions ...

Bill Ackman announced on Saturday that his management company would leave Delaware to reincorporate in Nevada.

Billionaire Bill Ackman helped fund the spinoff of Howard Hughes Holdings Inc. from General Growth Properties in 2010 and has been a big shareholder in the real-estate company since then.

UMG settles 'Republic' trademark lawsuit against investment platform ... said on Saturday that billionaire Bill Ackman's Pershing Square has no right to require the record label to become a ...