Billionaire Bill Ackman helped fund the spinoff of Howard Hughes Holdings Inc. from General Growth Properties in 2010 and has been a big shareholder in the real-estate company since then.

Pershing Square's Ackman airs plan to lead entity to buy a majority of Howard Hughes Holdings' stock under his leadership Billionaire Bill Ackman helped fund the spinoff of Howard Hughes Holdings ...

Billionaire investor Bill Ackman is once again flexing his political muscle — this time by publicly touting the New York mayoral candidacy of former hedge fund manager Whitney Tilson because ...

Bill Ackman has a lot of balls in the air. A few years ago he invented Pershing Square SPARC Holdings, a listed “special purpose acquisition rights” company aimed at eventually taking a large ...

Bill Ackman is trying to make good on his consideration of taking control of Howard Hughes Holdings. Ackman’s Pershing Square Capital Management is offering shareholders $85 a share as it looks ...

See the 10 stocks » Billionaire Bill Ackman has set his sights on Howard Hughes Bill Ackman, the billionaire investor who operates the Pershing Square hedge fund, has been involved with Howard ...

Bill Ackman's Pershing Square is forming a new entity ... Howard Hughes shares jumped 10% to $78.95 a share Monday on the news. CNBC was reaching out to the company for comment.