Bill Ackman, the head of Pershing Square Capital Management, posted on X that the government should carefully review U.S.

Billionaire hedge fund manager Bill Ackman revealed on Friday that his activist investment firm has bought up approximately ...

Bill Ackman announced on Saturday that his management company would leave Delaware to reincorporate in Nevada.

In the aftermath of its CEO's assassination, UnitedHealthcare is now threatening legal retaliation against those who ...

Billionaire investor Bill Ackman pledged to cover the legal fees for a Texas doctor in a dispute with UnitedHealth Group Inc. over her claims that the company asked her to scrub out of an ...

(Bloomberg) -- Bill Ackman said his hedge fund Pershing Square Capital Management owns 30.3 million shares of Uber Technologies Inc., citing the strength of the rideshare company’s management ...

Billionaire investor Bill Ackman sparked a sell-off in UnitedHealth (UNH) shares on Wednesday after suggesting on X that the ...

Billionaire Bill Ackman disclosed Friday his hedge fund made a major bet on ride hailing giant Uber, helping boost shares of the San Francisco-based company to their highest level in months as ...

Bill Ackman has amassed a roughly $2.3 billion stake in Uber, saying in a post on X that the ride-hailing company's stock is undervalued. Ackman said Friday in the post that his Pershing Square ...

Uber Technologies Inc.’s stock is continuing its comeback following Bill Ackman’s disclosure that his Pershing Square investment fund now owns 30.3 million shares of the ride-hailing company.

UnitedHealth shares fell more than 4% on Wednesday before finishing down 1%, a day after hedge-fund manager Bill Ackman wrote a post on social media that said the insurer could be overstating its ...