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

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

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

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

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

Chicagoans view business leaders as a force for good: 44% said businesses and their executives have a duty to give back to ...

Citadel founder Ken Griffin returned to his Florida high school with his mom in tow to talk to students. Here's what he told them.

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

I n February, high-end Miami Beach real-estate agents buzzed that billionaire hedge-fund manager Ken Griffin had purchased ...