Hedge-fund billionaire Ken Griffin plans to build an eight-acre estate in Palm Beach for his mother — and that’s riling his deep-pocketed neighbors, among them the owner of the NFL’s ...

Billionaire hedge-fund manager Ken Griffin has made plenty of news in Palm Beach, where he plans to open an office of his Citadel financial empire in the old Nieman Marcus building on Worth Avenue ...

See the Palm Beach beachfront home billionaire Ken Griffin of the Citadel financial empire is building for his mother on Billionaires Row.

Palm Beach, Florida, a playground for the rich and famous, is no stranger to opulence. But it seems that billionaire hedge-fund manager Ken Griffin is taking luxury living to a whole new level.

Billionaire Ken Griffin is building what’s estimated to be the most expensive house in the world in Palm Beach. Will it be swallowed up by the sea?

Like a sliver of Versailles transplanted in Palm Beach, billionaire Ken Griffin’s estate extends along 1,400 feet of the Florida coast. For the past decade, the hedge fund titan has gobbled up ...

Architecture board approves a tennis court designed for a vacant lot that is part of Citadel chief Ken Griffin's 27-acre estate in Palm Beach.

A company affiliated with billionaire Ken Griffin, the head of hedge fund Citadel, paid $83M to acquire an office building in Palm Beach as Griffin and his firm continue to expand their presence ...

Billionaire Ken Griffin snapped up a property on Palm Beach’s Worth Avenue for $83 million, located next to a former Neiman Marcus store that his firm has planned to use as an office.

Hedge fund billionaire Ken Griffin has revealed plans to create the world's most expensive home - a $1 billion mega-estate just a quarter mile south of Donald Trump 's Mar-a-Lago. The 55-year-old ...