Billionaire investor Bill Ackman, who endorsed Trump’s 2024 presidential bid, warned Sunday that going ahead with the new tariffs was tantamount to launching an “economic nuclear war.” ...

Bill Ackman's fund, Pershing Square Capital Management, owns about a dozen stocks. After decades of investing, the billionaire is held in high esteem for his investing prowess. Ackman is making a ...

On April 17, hedge fund billionaire Bill Ackman reacted to Beijing’s proposal for a 90-day pause on its own tariffs, calling the development a hopeful sign: “The rift is healing,” he posted ...

Billionaire hedge fund investor Bill Ackman on Wednesday praised President Trump’s decision to implement a 90-day pause on reciprocal tariffs against foreign trading partners, with the exception ...

Howard Hughes Holdings Inc.’s stock rose Monday as billionaire Bill Ackman reached a final agreement to acquire a controlling interest in the real-estate-development company, which he plans to ...

Billionaire and Harvard alum Bill Ackman told CNBC’s "Squawk Box" on Monday that there needs to be a change in corporation leadership at his alma mater. The Trump administration has targeted ...

Billionaire hedge fund manager Bill Ackman has donated $250,000 to a super PAC supporting former New York Governor Andrew Cuomo in New York City’s mayoral race. Ackman’s contribution to the ...

Shares of Hertz HTZ-3.40%decrease; red down pointing triangle rose more than 50% after hedge-fund manager Bill Ackman’s firm disclosed a significant stake in the rental-car company. Ackman-led ...

Shares in Universal Music Group UMG0.94%increase; green up pointing triangle fell after hedge fund manager Bill Ackman said his Pershing Square firm would reduce its stake in the world’s largest ...