Ken Griffin is officially one property away from washing his hands of Chicago. The billionaire Citadel founder is close to ...

Billionaire Citadel founder Ken Griffin has sold two more of his Chicago condos in transactions totaling $15.9 million.

The billionaire founder of Citadel offloaded his holdings within No. 9 West Walton Street, getting closer to completing a ...

The formerly Chicago-based billionaire The sales bring to a close one of the stranger odysseys in high-end Chicago-area real ...

Griffin completed his sell-off of his stack of four unfinished floors at No. 9 Walton, where his losses total almost $23.5 ...

Citadel is drawing hundreds of employees from Chicago as it bets on a community-focused, in-office workplace strategy.

"I may agree with your diagnosis on what the problem is, but don’t kill the patient in the pursuit of treating the disease," ...

The founder and CEO of Citadel pledged $8 million in 2022. The latest gift raises his total contributions to $13 million.

Ken Griffin called the new tariffs President Trump announced last week a "huge policy mistake" and worried that other ...

The founder and CEO of Citadel has pledged a total of $13 million ... Billionaire developer Ken Griffin has pledged another $5 million toward the Cox Science Center and Aquarium's expansion ...