Who is billionaire Bill Ackman? Ackman is a prominent investing activist: When he considers that a company in which he has ...

Fast forward half a century, Bill Ackman, the billionaire hedge fund manager behind Pershing Square Capital Management, is ...

UnitedHealth Group said on Wednesday a mistake at the hospital was behind the phone call that led to a surgeon being pulled ...

Bill Ackman, head of Pershing Square Capital Management (PSHZF), racked up more than $2.3 billion worth of shares in Uber ...

Orveon’s chief executive officer Neela Montgomery has departed the company after a little more than a year in the top job and ...

Billionaire investor Bill Ackman's plans to turn real estate company Howard Hughes Holdings into a diversified holding company will not impact how his investment portfolios buy and sell stakes in ...

The hedge fund manager is waging his own money this time in a bid to build another financial behemoth that can rival the life ...

On Friday, Feb. 7, hedge fund manager Bill Ackman took to social media platform X (formerly Twitter) to reveal his firm's ...

Meme stocks like AMC Entertainment and GameStop get their price spikes from exceptional buying interest. GameStop jumped on ...

(Reuters) - UnitedHealth has reached out to the U.S. Securities and Exchange Commission about billionaire investor Bill Ackman's now-deleted post on social media platform X that said he would take a ...

Investing.com-- In a now-deleted post, hedge fund manager Bill Ackman said on Tuesday evening that he would short UnitedHealth Group (NYSE:UNH), calling on the SEC to investigate the firm on claims ...

(Bloomberg) -- UnitedHealth Group Inc. said it contacted the US Securities and Exchange Commission with concerns about investor Bill Ackman’s since-deleted post on X suggesting that the company ...