Citadel Leaves Chicago Tower as City Alarmed by ‘Job Killer’ Tax

Citadel is shrinking its footprint in Chicago three years after billionaire owner Ken Griffin left for Florida, moving the company’s remaining operations in the city out of the downtown tower...

By Miranda Davis, Isis Almeida · Bloomberg Markets

Citadel is shrinking its footprint in Chicago three years after billionaire owner Ken Griffin left for Florida, moving the company’s remaining operations in the city out of the downtown tower that was named for it, according to people familiar with the matter.