(Reuters) - Universal Music Group said on Wednesday that billionaire Bill Ackman-led Pershing Square has exercised its right to request an offering and secondary listing of the record label in the United States.

Shares of Howard Hughes Holdings jumped after hedge-fund manager Bill Ackman's firm offered to buy 11.8 million Howard Hughes shares at $85 apiece to own a majority stake in the company. The stock jumped about 9.

Born into a wealthy New York family, Bill Ackman has amassed a fortune estimated at more than $9 billion, according to Forbes. As he tries to buy The Woodlands-based Howard Hughes Holdings, here's what you should know about the creator of Pershing Square Capital Management.