Ken Griffin has sent legal letters threatening Sony Pictures over the representation of his company, Citadel, in “Dumb Money.” Citadel's involvement in the GameStop short squeeze event ...

Ken Griffin wants visitors to the offices of his $63 billion hedge-fund firm, Citadel, to have no doubt about its standing ...

Citadel has blasted the CEO of Trump Media—the parent company of Truth Social—after the executive accused the Ken Griffin-led company of "potential market manipulation." On Thursday Devin ...

Ken Griffin built Citadel into a powerful and hugely profitable player in the markets and is moving it to Miami. Here's what drives him. "JB? JB and I are not on speaking terms these days," said ...

According to Citadel CEO Ken Griffin, recent developments in the crypto space could shake confidence in the financial markets in general. Citadel CEO Ken Griffin has been a vocal critic of ...

This week's banking & finance news. Citadel founder and CEO Ken Griffin lauded Elon Musk for leading president Donald Trump's Department of Government Efficiency initiative. When asked about Musk ...

Ken Griffin has bought a unit in NYC's most ... Christopher Sadowski Griffin, the Citadel founder, already owns a $238 million apartment at 220 Central Park South, widely considered Manhattan ...

The billionaire Citadel founder Ken Griffin is one of the biggest donors to the Republican Party but has some worries about the effect of policies the Trump administration has promised.

52nd St.; and mega-billionaire investor Ken Griffin. Citadel and Citadel Securities, separate companies that Griffin leads, will be the skyscraper’s anchor tenants with at least 850,000 square feet.

These and others apply to Ken Griffin, CEO and founder of Citadel. It's no surprise that investors and analysts carefully scrutinize the hedge fund's every move, of which there were several ...