Billionaire investor offers to form subsidiary to buy controlling interests in operating companies Summerlin in Las Vegas is where Howard Hughes built one of the nation’s top-selling master-planned developments. (Zachary Mirer/CoStar) By Candace Carlisle CoStar News January 13, 2025 | 5:01 P.M. Billionaire investor Bill Ackman’s Pershing Square made a bid to merge with Howard Hughes […]