Ken Griffin is a billionaire investor best known for founding the Citadel Advisors. While it owns a number of individual ...

Billionaire hedge fund manager Ken Griffin is taking a hit on his Chicago real estate portfolio as he offloads luxury ...

Griffin disposed of the lion's share of his fund's stake in artificial intelligence (AI) colossus Nvidia in favor of an AI ...

Hedge funds managed by Israel Englander and Ken Griffin both scooped up shares in a troubled pharmaceutical stock last ...

As the billionaire hedge funder exits Chicago, he's poised to sell homes for much less than he paid. He's going all in on ...

Ken Griffin, one of the most successful hedge fund managers in history, slashed Citadel's stake in Nvidia in the second ...

The condo, one of four unfinished floors Griffin owns at the top of a Gold Coast tower, has 7,500 square feet of raw space on ...

Billionaire Ken Griffin has found a buyer for his top-floor condominium on the 38th floor of the building at 9 W. Walton St., ...

Shares of Hawaiian Electric Industries gained after disclosing that Ken Griffin's firm Citadel and related funds have purchased a stake in the company. The stock jumped 6.8% to $10.34 in after-hours ...

The billionaire hedge fund manager is divesting from Chicago and priced the 37th floor at 9 West Walton for a $3.7 million ...

Crain’s residential real estate reporter Dennis Rodkin talks with host Amy Guth about news from the local housing market.

Billionaire Ken Griffin has found a buyer for one of his luxury properties in Chicago, after cutting the asking price to half ...