At least 26 billionaires spent millions trying to stop Mamdani from becoming New York’s next mayor. More surprising are the two billionaires who backed him.

Bill Ackman, Ronald Lauder, William Lauder, Barry Diller and Dan Loeb have all made large donations to stop Mamdani. So have several non-New Yorkers.

At least 26 billionaires spent millions trying to stop Mamdani from becoming New York’s next mayor. More surprising are the two billionaires who backed him.