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

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

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

Bill Ackman, the billionaire hedge fund manager and CEO of Pershing Square Capital Management.Adam Jeffery/CNBC via Getty Images Billionaire hedge fund manager Bill Ackman says he is moving his ...

Bill Ackman expects privatization of Fannie Mae will provide a huge catalyst for the stock. However, Wall Street analysts are concerned any privatization attempts will fail. The uncertainty makes ...

Pershing Square Capital Management Chief Executive Officer Bill Ackman said he took down a critical post about UnitedHealth Group Inc. after the company’s lawyers told him the claims about the company ...

Bill Ackman built a net worth of $9.3 billion by spotting promising opportunities. The hedge fund manager doesn't usually reveal the opportunities he likes to the public. However, he recently made ...

Bill Ackman, the owner of investment firm Pershing Square, said on Saturday that he is reincorporating his management company ...

Bill Ackman, the billionaire hedge fund manager and CEO of Pershing Square Capital Management.Adam Jeffery/CNBC via Getty Images Billionaire hedge fund manager Bill Ackman says he is moving his ...