Griffin Cites NYC Tax Video in Miami HQ Expansion Plans

Citadel CEO Ken Griffin announced plans Tuesday to expand his firm's Miami headquarters by adding hundreds of thousands of square feet of office space, citing New York City Mayor Zohran Mamdani's recent video promoting a tax on luxury second homes as a key factor reinforcing the commitment to South Florida.

Griffin made the remarks during an interview at the Milken Institute Global Conference in Beverly Hills, California, following his panel appearance. Construction has already begun on Citadel's new 1,049-foot tower at 1201 Brickell Bay Drive in Miami's Brickell neighborhood, which a firm spokesperson confirmed last month will rank among the city's tallest buildings upon completion.

The expansion decision stems from a viral video Mamdani posted on Tax Day, April 15, standing outside Griffin's 238 million penthouse at Central Park South in Midtown Manhattan. The property, purchased in 2019, holds the record for the most expensive home sale in U.S. history. In the video, Mamdani highlighted the condo while announcing a proposed annual fee on luxury properties worth more than 5 million that are not primary residences for their owners.

Griffin described the video, which he said he...