Ken Griffin's $238 million New York City penthouse isn't the only pied-à-terre he owns. See what else is in his portfolio.

Citadel CEO Ken Griffin doesn't approve of New York City Mayor Mamdani's pied-à-terre tax. See all the homes he owns around ...

Mamdani avoids question on Ken Griffin, admits no response after trying to walk back attack on the billionaire

During a CNN interview, New York City Mayor Zohran Mamdani admitted he hasn't heard back from Citadel CEO Ken Griffin as he ...

Citadel CEO Ken Griffin was a prominent AI skeptic. Now he says, 'AI is real.'

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

Citadel CEO says AI is now doing PhD-level finance work in days instead of months—and it left him 'fairly depressed'

Ken Griffin, founder and CEO of Citadel, said artificial intelligence is rapidly transforming high-level financial research, ...

Ken Griffin net worth: Citadel CEO intensifies feud with Mamdani over ‘creepy’ tax video: 'He put me in harm's way'

Citadel's CEO Ken Griffin publicly challenges NYC Mayor Zohran Mamdani, signaling potential withdrawal from a multi-billion-dollar project.

Ken Griffin: Citadel expanding in Miami in response to NYC mayor Mamdani's 'poor taste' tax video

Mamdani's office said in response to Griffin, "our tax system is fundamentally broken. It rewards extreme wealth while working people are pushed to the brink." ...

Elon Musk Amplifies Citadel CEO’s Stanford Warning: AI Is After PhD Jobs Now

Elon Musk amplified Citadel CEO Ken Griffin's warning that agentic AI now replaces PhD-level finance work in hours, not ...
AOL

Citadel CEO Ken Griffin says Trump's tariffs have landed the US in a 'pretty unfortunate position'

Hours before President Donald Trump's highly anticipated speech at the World Economic Forum, Ken Griffin, the outspoken billionaire CEO of Citadel, gave his rundown of the US leader's key economic ...

Mamdani has reached out to Ken Griffin, but billionaire CEO may be waiting for apology: Sources

Mayor Zohran Mamdani has made recent efforts to reach out to Citadel CEO Ken Griffin, according to several sources, but the CEO appears in no mood to speak to Mamdani and may be holding out for a ...
AOL

Citadel's CEO on the AI boom: 'Is it hype? Of course'

Citadel CEO Ken Griffin says the AI boom is being driven as much by hype and spending pressure as by real productivity gains.Fabrice COFFRINI / AFP via Getty Images Hedge fund tycoon Ken Griffin has a ...