From a $1 billion mega-mansion in Palm Beach to a London estate once linked to MI6, here’s a closer look at the homes of ...

Billionaire investor Ken Griffin's hedge funds at Citadel have all posted positive returns during a volatile 2025, led by the tactical trading fund.Citadel's multistrategy Wellington fund, its largest ...

Ken Griffin, the founder and CEO of Citadel, is seen in November 2014. Nancy Stone / Chicago Tribune. Ken Griffin, from left, then-Mayor Rahm Emanuel and then-police Superintendent Eddie Johnson ...

Billionaire hedge fund manager Ken Griffin added two of the most iconic artifacts in ... The founder and chief executive of Citadel — whose net worth is estimated at $46 billion, according to Forbes — ...

Citadel, the hedge fund run by billionaire Ken Griffin, reported a record $16 billion in profit last year — knocking off Ray Dalio’s Bridgewater as the most successful firm seven years running.

An internal company memo revealed the person is a neurologist who previously worked at Morgan Stanley and is a Harvard grad.

Billionaire Ken Griffin's Citadel is planning to give back about $7 billion in profits to investors after a year of double-digit returns, a source familiar with the matter said Tuesday.

Ken Griffin, the founder and CEO of Citadel, Nov. 5, 2014. “It’s becoming ever more difficult to have this as our global headquarters, a city which has so much violence,” Griffin said.

How Ken Griffin CEO of Citadel is spending millions becoming a mega-donor for Ron DeSantis and expanding his reach into the political domain.

Ken Griffin is moving Citadel’s headquarters to Miami, leaving its current home of Chicago after the billionaire decried the city’s crime rate and voiced frustrations with political leadership ...

Griffin's fund owned more than 5 million shares of Microsoft (MSFT-0.53%) at the end of the third quarter, valued at roughly $1.6 billion. The tech giant has been a huge winner for Citadel in 2023 ...