Ackman wrote late Tuesday to Mamdani on X: “congrats on the win. Now you have a big responsibility. If I can help NYC, just ...

The Herbalife Plaza in Torrance, California, on May 1, 2016. Bloomberg photo by Patrick T. Fallon. The documentary film "Betting on Zero," which chronicles hedge fund manager Bill Ackman's attempt to ...

Ackman built a massive position in Uber Technologies ( UBER 4.84%) at the start of 2025, praising CEO Dara Khosrowshahi for ...

Ackman started buying shares of this company after management aimed to course correct from some poor decisions. With a new CEO in charge, it's showing signs of a turnaround. The market has continued ...

Mayor-elect Zohran Mamdani on Wednesday responded to billionaire Bill Ackman’s olive branch in the wake of his historic ...

Ackman kicked off 2025 with a bang, taking a massive stake in Uber Technologies ( UBER 0.56%). Pershing Capital owned more than 30 million shares to close out the second quarter, worth roughly $2.8 ...

Hedge fund manager Bill Ackman is one of more controversial figures on Wall Street. The head of the $12 billion Pershing Square Capital Management fund has gained the ire of several peers, including ...

Bill Ackman's investment in Hertz may be the next Chipotle moment as the rental-car company sees a surprise profit and a 40% ...