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NewsBreitbartMay 6, 2026United States

Citadel CEO Ken Griffin Halts New York City Expansion Over Tax Policy

Citadel founder Ken Griffin announced he is stopping his firm's expansion in New York City, citing concerns over Mayor Zohran Mamdani's tax policies. Griffin stated that the firm will instead focus its growth on Miami, Florida.

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Why It Matters

The decision by a major financial firm to halt expansion in New York City impacts local commercial real estate demand and potential tax revenue for the city.

Key Facts

  • Ken Griffin has officially halted Citadel's expansion plans in New York City.
  • The decision is attributed to Mayor Zohran Mamdani's recently instituted tax plan.
  • Citadel intends to prioritize growth in Miami, Florida, citing a business-friendly environment.
  • Griffin publicly criticized Mayor Mamdani's social media activity near his residence.
  • Griffin linked his concerns about political rhetoric to the recent killing of UnitedHealthcare CEO Brian Thompson.

Who's Mentioned

personZohran Mamdani“Mayor of New York City”locationMiami“City where Citadel is focusing future growth”locationNew York City“City where expansion was halted”personBrian Thompson“Late CEO of UnitedHealthcare”organizationCitadel“Financial firm led by Ken Griffin”personDonald Trump“President of the United States”personKen Griffin“Founder and CEO of Citadel”