Ken Griffin, shown in November 2014, is the founder and CEO of the Chicago-based Citadel investment firm and the state’s wealthiest person, worth $20.9 billion, according to Forbes.

Billionaire Ken Griffin is relocating his hedge-fund firm Citadel from Chicago to Miami, the third major employer to announce the move of a corporate headquarters from Illinois in the past two ...

Chicago hedge fund billionaire Ken Griffin made a big business decision Thursday by announcing plans to pull up stakes in Illinois, but his move is also being read in some circles as a political ...

Citadel CEO Ken Griffin bought a $238 million penthouse condo in New York City earlier this year and is expanding his Park Avenue offices, but Illinois’ richest man says he’s staying put in ...

Hedging his bets? Illinois’ richest person compares Chicago to Afghanistan, hints of moving firm’s headquarters Hedge fund billionaire Ken Griffin said he personally saw “25 bullet shots in ...

CHICAGO — Ken Griffin, the billionaire founder of the hedge fund Citadel, ... Griffin has also donated more than $33 million to Illinois Gov. Bruce Rauner, a Republican, ...

Hedge fund billionaire Ken Griffin says he might move Citadel's headquarters out of ... where he was reminded of a 2013 quote where he described Chicago and Illinois as a city and state ...

Billionaire hedge-fund manager Ken Griffin has sold the top two floors of Chicago’s No. 9 Walton condo tower for $19 million, marking a 44% loss from his 2017 purchase price of over $34 million ...

CHICAGO — Billionaire hedge fund manager Ken Griffin, the wealthiest person in Illinois, told the Economic Club of Chicago Monday he has grave doubts about the future of Chicago, and that his ...

CHICAGO (WLS) -- Ken Griffin made a $20 million donation to the campaign of Republican gubernatorial candidate Richard Irvin. In a statement, Irvin said he appreciates Griffin's support.