The Citadel CEO broke up with the Windy City in 2022, taking his family and his headquarters to his native Florida — leaving ...

Billionaire Ken Griffin said his hedge fund’s Chicago footprint will shrink to just two floors as crime, taxes and other challenges push employees to relocate to Miami and New York. "Chicago, you know ...

That leaves one member of the elite group of stocks that Griffin no longer views as so magnificent. He sold 2.1 million ...

Citadel, the hedge fund founded by billionaire Ken Griffin, has launched a new artificial intelligence-powered tool that aims to help investors conduct research on stocks faster and more efficiently, ...

Griffin isn't retreating from AI, but he had good reasons to take some profits and rebalance his bets on the trend. Ken Griffin is not your typical Wall Street billionaire. As the founder and CEO of ...

Griffin's Citadel Advisors hedge fund significantly increased its stake in Microsoft in Q2. Microsoft is popular with other billionaire investors and Wall Street analysts, too. The stock should ...

Billionaire Ken Griffin is trimming his commercial real estate portfolio in South Florida by selling a property in the famed Worth Avenue shopping district in Palm Beach, Fla. In other Tananbaum deals ...

A previous version of this Need to Know column and a MarketWatch news alert inaccurately characterized Ken Griffin’s view on gold, as compared with that of Goldman Sachs. Barbara Kollmeyer is based in ...