J.B. Pritzker purchased the two ritzy condos his political nemesis Ken Griffin recently sold in Chicago. The billionaire ...

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 ...

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

Griffin has been happy with how Sequoia, which is a minority shareholder in Citadel Securities, has helped his market maker.

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

Ken Griffin urged Trump to moderate immigration and inflation policies, warned tax cuts risk debt, and is open to selling a ...

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

The Governor and First Lady may feel up to the job, as they've been serial rehabbers at a portfolio of homes and horse farms ...

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

Steve Grzanich has the business news of the day with the Wintrust Business Minute. Governor Pritzker has bought two floors of ...