Billionaire investor Robert Smith is looking to lighten his real estate portfolio—by selling his $24.5 million Carbon Beach mansion in Malibu. Mike Helfrich for Compass The four-bedroom ...

Ric Elias, the billionaire co-founder and CEO of Red Ventures, and his wife Brenda, have sold their Palm Beach, Fla., mansion for a cool $73 million, Gimme Shelter has learned exclusively.