Ken Griffin, one of the biggest political donors in recent election cycles, has made his first federal contribution for the 2026 midterm races.

Jeff Bezos blasted Mayor Zohran Mamdani for casting billionaire Ken Griffin as a “villian” in a bizarre video Hizzoner filmed ...

Hedge fund billionaire Ken Griffin was one of the most prominent AI skeptics. Now he's had a change of heart, calling it ...

Mayor Zohran Mamdani has made recent efforts to reach out to Citadel CEO Ken Griffin, according to several sources, but the ...

Citadel founder and CEO Ken Griffin expressed both alarm and optimism about how quickly artificial intelligence has advanced, ...

The capitalist is ghosting the socialist. Mayor Zohran Mamdani has reached out to billionaire Ken Griffin after furious ...

Jeff Bezos blasted Mayor Zohran Mamdani for casting billionaire Ken Griffin as a “villian” in a bizarre video Hizzoner filmed ...

Zohran Mamdani’s “apology tour” to quell the business community’s outrage over his bizarre social media posting targeting ...

New York City Mayor Zohran Mamdani previously announced a tax on luxury second homes in front of Griffin’s Manhattan townhouse.

Billionaire Ken Griffin's clash with NYC Mayor Zohran Mamdani over wealth taxes mirrors the tensions that preceded Citadel's break with Chicago.

NYC Mayor Zohran Mamdani continued his public conversation with billionaire Ken Griffin when asked by Luke Goldstein of The ...