UnitedHealth Group said on Wednesday a mistake at the hospital was behind the phone call that led to a surgeon being pulled from the operating room to defend a patient's inpatient stay, a move that was eventually criticized by billionaire Bill Ackman.

Billionaire investor Bill Ackman's plans to turn real estate company Howard Hughes Holdings into a diversified holding company will not impact how his investment portfolios buy and sell stakes in companies.

Uber is an attractive growth investment opportunity in the vehicles and parts sector and recently received backing by Bill Ackman.

Billionaire investor William Ackman increased his stake in sportswear company Nike by 15% and cut his investment in fast-casual food chain Chipotle Mexican Grill by 14%, during the fourth quarter, according to a regulatory filing made on Friday.

Recently, billionaire investor Bill Ackman's firm, Pershing Square, disclosed its trades for the fourth quarter of 2024. Among the moves was the continued accumulation of Nike (NYSE: NKE), the sneaker and sporting apparel giant whose fall from grace has caused it to lose over 50% of its peak value since late 2021.

Ackman made a bid to take Howard Hughes Holdings private, with the goal of turning the real estate firm into a holding company.

Bill Ackman is an American billionaire hedge fund manager, who has amassed a net worth of $9.2 billion. The Harvard Business School graduate is the founder and CEO of Pershing Square Capital Management,

Billionaire investor William Ackman increased his Nike (NYSE:NKE) holdings by 15% and reduced his Chipotle Mexican Grill (NYSE:CMG) shares by 14% in Q4, according to a 13F regulatory filing. Pershing Square

Billionaire investor Bill Ackman increased his stake in sportswear company Nike by 15% and cut his investment in fast-casual food chain Chipotle Mexican Grill by 14%, during the fourth quarter, according to a regulatory filing made on Friday.

The Woodlands-based Howard Hughes Holdings Inc. (NYSE: HHH) has received a new offer from its former chairman’s firm. Pershing Square Holdco LP, the parent holding company of Pershing Square Capital Management LP,

In the middle of 2024, Bill Ackman's fund, Pershing Square Capital Management, took a new stake in the iconic footwear and apparel brand Nike (NYSE: NKE). Nike has struggled to keep up with competition and lost some of its marketing luster that for so many years captured the attention of the sports world.

Uber (NYSE: UBER) got a huge new investor last week when hedge fund manager Bill Ackman announced a $2.3 billion stake in the company. Ackman is known as a long-term investor willing to bet big on concentrated ideas,