Citadel warns $6B NYC project may be at risk after mayor targets Ken Griffin

Mayor Zohran Mamdani mentioned Citadel CEO Ken Griffin by name while announcing a new tax on expensive second homes in New York City for non-residents.

BREAKING: Billionaire Ken Griffin of Citadel is "appaled that New York Mayor Zohran Mamdani used his Manhattan penthouse as the backdrop as the tax-the-rich video," per Bloomberg As a result, Griffin has raised the possibility that the company might not move forward with a new Midtown construction.

Citadel attacks Zohran Mamdani for using Ken Griffin’s penthouse to sell tax plan ft.trib.al/ayZQD86

Citadel denounced the mayor’s move with Chief Operating Officer Gerald Beeson saying in an internal memo that targeting Griffin showed “ignorance and disdain” toward contributors to the city’s economy. - via @cnbc.com www.cnbc.com/2026/04/23/n...

After Mayor Mamdani made CEO Ken Griffin the face of a proposed pied-à-terre tax, Griffin’s company Citadel said it might halt construction on a new tower.

In 2020 Ken Griffin spent $54 million to successfully defeat an Illinois ballot measure that would increase taxes on the wealthy. The result was shuttered healthcare programs and struggling schools. In 2022, he left Chicago for Miami anyways. Tax the rich.

If Ken Griffin is known for anything, it's his man-of-the-people rizz

Well it has to be said ... Fuck Citadel and Ken Griffin ... If you have spend a quarter of a billion on a penthouse and you hardly use it then you deserve much worse... How much did #JamesFontanella-Khan and #AmeliaPollard get paid to write this hit piece?

Billionaire Ken Griffin is appalled that New York Mayor Zohran Mamdani used his 24,000-square-foot Manhattan penthouse last week as the backdrop for a tax-the-rich video, triggering a subtle threat to re-evaluate his firm’s investment in the city. on.wsj.com/48m5Apz

Griffin’s COO emailed employees saying, "It is shameful that he used Ken’s name as the example of those who supposedly aren’t carrying their fair share of the burdens associated with NYC’s often costly & wasteful spending." www.wsj.com/us-news/ken-...