Citadel CEO Ken Griffin tells CNBC that he will be expanding his company in Miami in reaction to NYC Mayor Zohran Mamdani’s viral video, which made Griffin the poster boy for his tax-the-rich campaign.

Citadel CEO Ken Griffin tells CNBC that he will be expanding his company in Miami in reaction to NYC Mayor Zohran Mamdani’s viral video, which made Griffin the poster boy for his tax-the-rich campaign.

"The only decision that we’ve made with no regrets in the last few days is to… pic.twitter.com/stXNCblxVf

— Bracha (@brachahalperin) May 6, 2026