Here’s a quick update on the Mamdani vs. Griffin situation.
Key current headlines
- Multiple outlets report that NYC Mayor Zohran Mamdani publicly accused hedge fund billionaire Ken Griffin of being unresponsive to outreach, with Mamdani saying he’d met or attempted to meet with business leaders across the city to discuss his vision [source reports indicate outreach occurred and Griffin had not yet responded as of late May 2026]. This has kept the exchange alive without a formal meeting to resolve it [see coverage noting no response at that time].
- The dispute intensified around tax policy aimed at high-value residences (a “pied-à-terre” tax) and broader conversations about taxing the ultra-wealthy to fund city initiatives; Griffin suggested Mamdani’s rhetoric and actions could endanger business interests and personal safety, prompting pushback from the mayor’s office that emphasized inclusive growth and fair tax reform [coverage on the tax proposal and the ensuing comments].
- Several outlets also highlighted the dynamic between Mamdani’s public advocacy for tax reform targeting wealthy individuals and Griffin’s role as a major employer and investor in New York City, with implications for Midtown-focused development and the city’s economic climate [business coverage tied to development projects and investor sentiment].
What this means moving forward
- Expect continued public statements from both sides as Mamdani pursues broader engagement with business leaders and Griffin assesses his position on ongoing or proposed development and tax initiatives.
- Any potential meetings or private discussions could shift the narrative from public dueling to policy compromises, particularly around revenue-raising measures and how they affect business investment in NYC.
- The storyline remains fluid; developments could include new statements, meeting announcements, or shifts in Griffin’s willingness to engage if the mayor adjusts policy positions or if Albany or other state actors weigh in on tax reform.
Illustration
- A simple way to track the conflict: (Mamdani public outreach) → (Griffin response or silence) → (policy proposals or counterproposals) → (any meeting or agreement) → (impact on NYC business climate and development projects).
If you’d like, I can compile a concise timeline of the key statements and any public meetings or meetings scheduled, and I can provide brief blurbs with dates and sources. I can also monitor for any new developments and summarize them as they appear. Would you like me to proceed with a timeline or a quick status brief in bullet form?
Note: The above reflects the latest public reporting on this topic as of now; if you want precise citations, I can pull the most recent articles and provide inline references.
Sources
During a CNN interview, New York City Mayor Zohran Mamdani admitted he hasn't heard back from Citadel CEO Ken Griffin as he attempts to quell the squabble between the two of them.
www.wfmd.comBillionaire Ken Griffin says being New York City Mayor Zohran Mamdani's poster boy for a tax-the-rich campaign put his life in danger.
www.cbsnews.comBillionaire Ken Griffin says being New York City Mayor Zohran Mamdani's poster boy for a tax the rich campaign put his life in danger. CBS News New York's Marcia Kramer reports.
www.cbsnews.comBillionaire Ken Griffin says being New York City Mayor Zohran Mamdani's poster boy for a tax-the-rich campaign put his life in danger.
www.cbsnews.comLess than a day after Zohran Mamdani won New York City's mayoral election, billionaire Ken Griffin said he wants to see the politician take a different stance than the one he campaigned on.
www.bloomberg.comFOX 5 N.Y.'s Morgan McKay has the latest.
www.fox5ny.comThe dispute was sparked after Mamdani posted a video outside Griffin’s $238 million Midtown penthouse, voicing support for a proposed "pied-à-terre" tax on high-value second homes.
www.fox5ny.comZohran Mamdani said Tuesday that he had not heard back from Ken Griffin after trying to repair mayor mamdani vs ken griffin. The New York City mayor said his office had reached out to business leaders across the city and that he was willing to meet with them.Mamdani and GriffinMamdani told's Kaitlan…
www.el-balad.com