Some familiar names in Chicago business circles were among the biggest spenders during the 2024 elections.

Billionaire hedge fund manager Ken Griffin is seeking to sell a penthouse he owns at Zaha Hadid-designed One Thousand Museum.

The clock starts ticking Monday to win city approval for Midtown’s most ambitious development project — a 1.8 million ...

Elon Musk’s Department of Government Efficiency recruited an assistant to billionaire Ken Griffin to help cut costs across the US national security establishment. Adam Hoffman, 24, left Griffin ...

These and others apply to Ken Griffin, CEO and founder of Citadel. It's no surprise that investors and analysts carefully scrutinize the hedge fund's every move, of which there were several ...

Ken Griffin's Citadel Securities is making moves in the cryptocurrency space as the Trump administration embraces the digital assets. Citadel Securities plans to offer cryptocurrency trading services.