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

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UnitedHealth's shares fell about 1.5% in afternoon trade after Ackman's post. "Any claims that health insurers, which ...

William Albert Ackman, more commonly known as Bill Ackman, is the founder and CEO of Pershing Square Capital Management, a ...

Bill Ackman, the billionaire CEO of Pershing Square Capital Management, says he will move his management company out of Delaware to reincorporate in Nevada. His announcement, which came in a post ...

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 ...