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.

Billionaire investor Bill Ackman has offered to purchase additional shares in Howard Hughes Holdings, with the intention of turning the real estate company into a Buffett-like conglomerate. Pershing Square Capital Management founder and Chief Executive Bill Ackman is proposing a merger to form a company that he thinks could emulate Warren Buffett’s Berkshire Hathaway.

Billionaire Bill Ackman is offering to take over Howard Hughes Holdings, with the goal of turning the Houston real estate firm into a holding company akin to Warren Buffett's Berkshire Hathaway. Ackman's Pershing Square Capital Management is seeking to own as much as 69% of Howard Hughes Holdings,