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Mamdani forced to thank biz titan Ken Griffin for contribution to NYPD memorial after ‘tax the rich’ blowout

Reported by New York Post
Apr 28, 2026· 3 min read
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Key Takeaways
  • • Mayor Zohran Mamdani featured Ken Griffin's $238 million penthouse at 220 Central Park South in a viral tax-the-rich video announcing New York State's first pied-à-terre tax on second homes valued above $5 million owned by non-primary residents.
  • • Citadel LLC, led by 57-year-old billionaire CEO Ken Griffin (net worth exceeding $50 billion), issued a formal response through COO Gerald Beeson characterizing the mayor's video as "shameful" and asserting that wealthy individuals already pay nearly half of all taxes collected by the city.
  • • Citadel threatened to reconsider a $6 billion redevelopment project at 350 Park Avenue that would generate 6,000 construction jobs and support creation of 15,000+ permanent jobs in Midtown Manhattan, signaling potential retaliation for the public criticism.
  • • The pied-à-terre tax represents the first such surcharge in New York State history and would levy annual fees on secondary residential properties owned by individuals with primary residences outside New York City, as part of Governor Kathy Hochul's broader tax policy initiative.
  • • The dispute highlights escalating tension between municipal leadership pursuing wealth redistribution policies and major institutional investors and real estate developers with significant economic influence and capital deployment capacity in New York markets.
Summary
In early April 2026, New York City Mayor Zohran Mamdani released a promotional video announcing the state's inaugural pied-à-terre tax alongside Governor Kathy Hochul. The tax would impose an annual surcharge on secondary residential properties—including single-family homes, condominiums, and co-ops valued above $5 million—owned by individuals maintaining primary residences outside New York City.

In the video, Mamdani deliberately featured Ken Griffin's penthouse at 220 Central Park South as a focal example of properties that would be subject to taxation. Griffin, CEO of global hedge fund Citadel LLC and one of the world's wealthiest individuals with a net worth exceeding $50 billion according to Forbes, purchased the property in 2019 for approximately $238 million—a record for the most expensive residential property ever sold in the United States at that time.

Citadel responded sharply to the public targeting. COO Gerald Beeson issued an internal employee communication, subsequently reported by the Wall Street Journal, condemning the mayor's approach as "shameful" and defending Griffin's tax contributions. Beeson stated: "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 New York City's often costly and wasteful spending." The statement further argued that wealthy individuals like Griffin already bear disproportionate tax burdens, claiming they pay nearly half of all taxes collected by the city.

Most significantly, Citadel signaled potential withdrawal from a marquee development initiative. Beeson referenced the firm's planned $6 billion redevelopment of 350 Park Avenue in Midtown, a project expected to create 6,000 construction jobs and support development of more than 15,000 permanent positions. The implicit threat suggested Citadel might abandon or delay this substantial economic investment in response to what the firm characterized as hostile political treatment and misrepresentation of its CEO's financial contributions to the city.

The confrontation reflects deepening friction between municipal tax policy ambitions targeting wealth concentration and the leverage wielded by major institutional investors and real estate developers with substantial capital and employment generation capacity in New York markets.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

New York Post Mamdani forced to thank biz titan Ken Griffin for contribution to NYPD memorial after ‘tax the rich’ blowout