Griffin, the honcho of Citadel, has decamped to Florida — and is in the process of cutting ties with the city that he once called home.

The apartment at No. 9 Walton, asking $8.5 million, hit the market the same week he sold off two other units in the building

The hedge fund founder never moved into the two offloaded dwellings, which were part of a record-breaking four-unit deal in 2017

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