NYC Billionaires Rally Around Griffin in Feud With Mayor Mamdani

The press release from Zohran Mamdani declaring New York City’s first pied-à-terre tax cited a $238 million penthouse in Midtown bought by one Ken Griffith.

It was a misspelling — the mayor’s office meant to say Citadel founder Ken Griffin — and a sign of how quickly the surprise policy was rolled out. Then Mamdani went a step further, filming a viral video outside the penthouse and calling out the billionaire by name (this time he got it right).

That’s now uniting Wall Street executives and New York’s ultra-wealthy against the 34-year-old mayor, igniting the first significant resistance to his ...