Ken Griffin expressed concerns in an interview with Bloomberg News.
“We’re getting to the point that if things don’t change, we’re gone,” Griffin told Bloomberg. “Things aren’t changing.”
The Citadel concern is shared by many IL companies -- costs, taxes and crime are harmful to ongoing ops.
Ken Griffin moving hedge fund headquarters from Chicago to Miami
Chicago Tribune, Jun 23, 2022 at 9:30 am
In a note to employees Thursday, Griffin said his investment firm, Citadel, will relocate to new headquarters in Miami’s financial district after more than 30 years in Chicago. Citadel, which has about 1,000 employees in Chicago, will maintain an office in the city, but many are expected to shift with the corporate locus to the Sunshine State, where Griffin, a Florida native, recently moved with his family.
Here is the Bloomberg story
https://www.bloomberg.com/news/articles/2022-05-19/ken-griffin-s-citadel-nears-breaking-point-on-chicago-exit