Citadel leaving Chicago along with other corporate headquarters - Axios Chicago

Axios - Chicago

Axios - Chicago

Ken Griffin's Citadel Move Is 'Punch in the Gut' for Chicago

Ken Griffin, Illinois' Richest Man, Moving Citadel Headquarters To

Another company moving headquarters out of Illinois

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Billionaire Ken Griffin's Citadel Becomes Latest Company To Move

Hines JV to Recapitalize Chicago's Citadel Center - Commercial

Ken Griffin's Citadel left Chicago after colleague robbed at gunpoint