Billionaires like Tim Cook are raving about the book, which reframes wealth to include social, time, mental, and physical prosperity.

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 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

Bill Ackman, founder and chief executive of Pershing Square Capital Management, has built his reputation as one of Wall Street's most high-profile corporate agitators on high-stakes activist campaigns that have reshaped companies and sparked intense debates.

Bill Ackman is the founder and CEO of Pershing Square, a hedge fund with around $12.9 billion in assets under management. On Friday, Feb. 7, Ackman took to social media platform X (formerly Twitter) to reveal that Pershing Square has accumulated 30.

UnitedHealth Group Inc. said a hospital error led to its phone call with a Texas surgeon that was later criticized by billionaire Bill Ackman, who suggested that the insurer overstated profits in a since-deleted post on social media.

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.

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

The hedge fund manager is waging his own money this time in a bid to build another financial behemoth that can rival the life's work of Warren Buffett.

Bill Ackman's Pershing Square proposed to acquire 10 million newly issued Howard Hughes shares at $90 per share — up from $85 per share earlier.

Billionaire investor Bill Ackman’s Pershing Square Capital Management increased its stake in Nike (NKE) stock by 15% during the fourth quarter.

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.