Billionaire investor Bill Ackman is pushing back on New York City’s pied-à-terre tax, arguing the levy will backfire by ...

Bill Ackman is an avid investor who can spot major value.

Bill Ackman just placed two massive bets on mega-cap tech stocks that the broader market has been punishing, and his ...

The billionaire investor is assembling a West Side campus for brain research, paying $260 million for a life sciences ...

Bill Ackman just placed two multi-billion-dollar bets on beaten-down Mag 7 giants at the same time, a move rare even for him.

The new facility will be constructed on the Upper West Side, where Ackman has just purchased two buildings for a planned ...

Billionaire hedge-fund manager William Ackman is leading a group that is in contract to pay $90 million for a Manhattan ...

Hedge-fund manager Bill Ackman's flagship Pershing Square fell 0.6% last month, according to an investor update sent Wednesday. Bill Ackman's bet against nutritional supplement maker Herbalife has ...

Billionaire investor Bill Ackman questioned New York City Mayor Zohran Mamdani (D) on Tuesday after a mayor-appointed commission recommended an 18.2% salary increase for the mayor and other elected ...

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Bill Ackman holds his immigration stance, says US should keep top international graduates instead of sending them to ...