Pershing Square's potential majority stake could influence Howard Hughes' future, but risks remain. See my recommendation on HHH stock.

Bill Ackman's Pershing Square is offering to take over the rest of Howard Hughes Holdings the investment firm does not own for $85 a share."While we are pleased with the substantial business progress Howard Hughes Holdings has made over the more than 14 years since it went public,

Shares of Howard Hughes rose Monday but were below Ackman’s offering price. It may take more from Pershing Square to seal a deal.

Under the proposed deal, a Pershing Square unit will buy 11.8 million shares for $1 billion from non-Pershing Square affiliate shareholders of Howard Hughes, while the real estate developer will commence a $500 million share repurchase at $85 per share for up to 5.9 million shares.

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.

Howard Hughes (HHH) was up 11.3% in premarket trade after billionaire hedge fund manager, Bill Ackman, through Pershing Square issued a proposal that would increase its holdings in HHH.

Pershing Square Capital Management LP has proposed a deal to merge one of its subsidiaries with real estate company Howard Hughes Holdings Inc., according to a letter to investors.