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Bill Ackman, the billionaire founder of the hedge fund Pershing Square Capital Management, is one such professional. As of ...

Bill Ackman, Billionaire investor and founder of Pershing Square Holdings, has had quite the busy 2025, making some notable ...

Hedge-fund stock deal O’Reilly spoke with the Review-Journal after New York hedge-fund boss Bill Ackman reached a deal ... companies as payroll processor ADP, streaming giant Netflix and ride ...

Bill Ackman runs the hedge fund Pershing Square Capital Management. Photo by Jared Siskin/Patrick McMullan via Getty Image “Hertz is uniquely well-positioned in the current tariff environment ...

Billionaire hedge fund manager Bill Ackman announced plans to build a modern-day Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B). Although Ackman and his investors would own most of it, it would be ...

Bill Ackman was written off by many on Wall Street after a string of large investment losses and his failure to win shareholder backing for campaigns he ran against payrolls processor ADP and ...

Bill Ackman has more than 1.2 million followers on ... links to position papers on another investment, ADP; and a news release announcing the winners of his foundation’s awards.

There was a time, I must admit, when the hedge fund billionaire Bill Ackman was one of my Wall Street heroes. It started in December 2012. Ackman had decided to take a short position in the shares ...