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Ken Griffin Enlarges Miami HQ Project at 1201 Brickell After Public Clash With New York Mayor

The expanded scheme signals a deeper corporate shift toward Miami that could reshape where Citadel deploys capital and talent.

Overview

  • Recent filings and company statements show the 1201 Brickell development will add a 300-unit apartment tower, roughly 1,420 parking spaces, and more office space while removing a planned hotel, with site work underway and vertical construction expected later this year.
  • Citadel says the scheme will focus on commercial offices; filings describe a 54-story Foster + Partners tower of about 1.7 million square feet that Citadel and its affiliates plan to occupy roughly one-third of, and project costs are estimated in the multibillion-dollar range.
  • Ken Griffin has acquired all units in a 22-story condominium across the street with plans to demolish it for future expansion, extending the roughly five acres he has assembled in Brickell and consolidating room for a larger Miami campus.
  • The changes come after New York Mayor Zohran Mamdani filmed a Tax Day video outside Griffin’s Manhattan penthouse on April 15, a confrontation that coverage links to Griffin’s pledge to “double down” on Miami and has renewed questions about Citadel’s commitment to projects such as 350 Park Avenue.
  • The dispute and the buildout feed a wider debate over the pied-à-terre tax, which city officials project will raise roughly $340–$500 million a year, while independent estimates suggest Griffin’s New York properties could face about $1.3–$1.4 million in extra annual tax, and Miami market watchers say the moves are already affecting local real estate demand.