Billionaire hedge fund manager Ken Griffin just raised Citadel's position in global-consulting powerhouse Accenture.

Jeff Yass and Ken Griffin are in a league of their own. Yass is the co-founder and managing director at the global ...

Ken Griffin started the Citadel hedge fund in 1990. In the third quarter, Griffin and Citadel more than tripled its stake in ...

Microsoft is a major player in AI through its partnership with OpenAI and its Azure Cloud infrastructure. Citadel sold much ...

Ken Griffin is arguably one of the most successful investors of all time. He made a name for himself when he shorted stocks ...

Billionaire businessman Ken Griffin on Thursday said he would contemplate selling a piece of his $65B hedge fund Citadel.

The Republican megadonor Ken Griffin expressed concerns about Donald Trump's policies.

Any list of the greatest hedge fund managers of all time should include Ken Griffin. Today, Citadel ranks among the largest ...

I am gravely concerned that the rise of tariffs puts us on a slippery slope towards crony capitalism,” the billionaire ...

The Tribune reports that Griffin — who left Chicago for Florida in 2022 after complaining about the political climate in ...

Illinois Governor JB Pritzker has been named as the mystery buyer behind the record-setting $19 million sale of two of Ken ...

The Citadel honcho has decamped to Florida — and is in the process of cutting ties with the city that he once called home.