AlphaMaven AlphaMaven

Ken Griffin’s Citadel Blasts Mamdani’s Viral Tax-the-Rich Stunt

Reported by Disruptionbanking
Apr 26, 2026· 3 min read
Save Post LinkedIn Email
Key Takeaways
  • • Citadel formally objected to NYC Mayor Zohran Mamdani's use of Ken Griffin's $238 million penthouse in a promotional video for a proposed pied-à-terre tax on second homes valued over $5 million.
  • • Citadel Chief Operating Officer Gerald Beeson defended Griffin in an internal memo, stating it was "shameful" to single out Griffin as an example of wealthy individuals not bearing their fair share, citing the firm's $2.3 billion in city and state taxes paid over the past five years.
  • • The pied-à-terre tax proposal, backed by Governor Kathy Hochul and Mayor Mamdani, targets second-home owners and is designed to support New York City's budget gap closure efforts.
  • • Citadel suggested potential consequences for its NYC operations, including implications for a $6 billion development project, signaling the hedge fund may reassess its commitment to the city amid the tax dispute.
  • • The conflict reflects broader tensions between wealthy financial institutions and progressive municipal leadership over taxation and contribution to public services in New York City.
Summary
Ken Griffin's Citadel has formally challenged New York City Mayor Zohran Mamdani's use of the billionaire hedge fund manager's $238 million penthouse in a promotional video advancing a proposed pied-à-terre tax. Mamdani, a democratic socialist, filmed the video titled "Happy Tax Day, New York. We're taxing the rich" in front of Griffin's property as part of his campaign to tax wealthy property owners, particularly those from outside the state who own New York City residences.

Citadel's pushback came through an internal memo from Chief Operating Officer Gerald Beeson, seen by Reuters, in which he objected to what the firm characterized as unfair targeting of Griffin. "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," Beeson stated. Citadel countered the mayor's messaging by highlighting its substantial tax contributions, noting that the firm's principals and team members have paid nearly $2.3 billion in combined city and state taxes over the past five years.

The dispute emerged as New York State Governor Kathy Hochul proposed a new tax on second homes worth over $5 million, which Mamdani publicly supported. The pied-à-terre tax is intended to close New York City's budget gap by generating revenue from luxury second-home owners. Citadel's response suggested the firm could reconsider its commitment to significant projects in the city, with sources indicating a $6 billion development project may be at risk depending on the tax proposal's final outcome.

The confrontation underscores the mounting friction between institutional financial players and progressive municipal leadership on questions of wealth taxation and corporate contribution to city services. Mamdani has shown no indication of backing down from his tax-the-rich agenda, while Citadel's implicit threat regarding its investment footprint signals the stakes remain high for New York City's relationship with its most prominent hedge fund operators.

Go deeper than the headline

Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.

Start your free 7-day trial

Sources

1 outlet

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

Disruptionbanking Ken Griffin’s Citadel Blasts Mamdani’s Viral Tax-the-Rich Stunt