Billionaire hedge fund manager Bill Ackman deleted a post on X in which he raised the possibility that the midair collision ...

Investors like to watch Bill Ackman's trading moves closely. Pershing Square Capital Management, Ackman's hedge fund firm, ...

Bill Ackman is one of the best-known billionaires in the world of investing. As manager of his Pershing Square Capital hedge ...

Billionaire Bill Ackman isn't as much of an activist investor as he used to be. However, he still doesn't mind trying to ...

Billionaire investor Bill Ackman has been climbing the ranks of best investors to watch for much of the 21st century. For ...

Shares slip after a run-up that followed December disclosure of Pershing Square chief’s plan to end government conservatorship of mortgage insurers.

An analysis of Bill Ackman's presentation on Fannie Mae and Freddie Mac, cautioning investors on volatility and long-term ...

According to the New York Post. According to the New York Post, creating “a modern-day Berkshire Hathaway” is no mean feat, ...

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.

Billionaire investor Bill Ackman is once again flexing his political muscle — this time by publicly touting the New York mayoral candidacy of former hedge fund manager Whitney Tilson because ...

After riots that appeared to target Israeli soccer fans in Amsterdam, hedge-fund investor Bill Ackman said that was the tipping point for his plan to delist an investment fund based there.

Had Bill Ackman and Pershing Square kept their original $1.1 billion investment in Netflix stock, it would now be worth $2.74 billion.