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 ...

Citadel's flagship Wellington fund rose 15.1% last year. Since Citadel's inception in 1990, the firm produced an annualized net return of 19.2% through the end of May. Billionaire investor Ken Griffin ...

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

Billionaire investor Kenneth C Griffin runs one of the most successful hedge funds in the world. As the founder and CEO of ...

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.

Originally issued by Lincoln during the Civil War in 1863, the proclamation declared enslaved people in the Confederate states to be free. This version, signed in 1864, had been expected to sell for ...

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.

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 ...

Such extraordinary returns have elevated Citadel CEO Ken Griffin to the rank of the 40th richest person in the world, according to Forbes’ “Real-Time Billionaires” list. Today, his hedge ...

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 ...