"Billionaire" and "successful hedge fund manager" are titles that carry significant weight on Wall Street. These and others ...

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 ...

The clock starts ticking Monday to win city approval for Midtown’s most ambitious development project — a 1.8 million ...

from Julia Koch, widow of David Koch. Christopher Sadowski Griffin, the Citadel founder, already owns a $238 million apartment at 220 Central Park South, widely considered Manhattan’s top condo ...

Ken Griffin's hedge fund is up over 30% this year, even while the broader market has sunk double digits over the same timeframe. October was another month of gains for Citadel's flagship hedge ...

Ken Griffin's Citadel Securities is making moves in the cryptocurrency space as the Trump administration embraces the digital assets. Citadel Securities plans to offer cryptocurrency trading services.

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Hedge fund Citadel has made a £305mn bet against drugmaker GSK, the biggest short position against the ...

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 ...