“Miami’s open for business”: Ken Griffin doubles down on offices at his Brickell supertall

Billionaire Ken Griffin is bolstering the office space at his Brickell supertall that will serve as Citadel and Citadel Securities’ headquarters, with the firms potentially taking additional square footage.  Griffin now is developing a standalone 54-story, 1.7 million-square-foot office tower, nixing the planned hotel, Commercial Observer reported. Although the news comes amid a public kerfuffle between the billionaire and New York Mayor Zohran Mamdani, the Brickell supertall office expansion was planned prior to the spat. In an April 15 video, Mamdani endorsed a proposed 5 percent pieds-à-terre tax, standing in front of 220 Central Park South, where Griffin bought a […]This article originally appeared on The Real Deal. Click here to read the full story.