The billionaire hedge-funder’s presence in the market has driven prices higher than ever before.

Citadel founder and CEO Ken Griffin, 55 ... anarchy," Griffin said of the student protesters. The US, Griffin said, has "lost ...

Ken Griffin built Citadel into a powerful and hugely ... what has made the country so great has been lost. "We've lost sight of the opportunities people can enjoy in America in recent years ...

Ken Griffin joins a growing list of the super-rich who have spoken out against Trump’s aggressive tariff program. Reporter A billionaire GOP megadonor has ripped into President Donald Trump over ...

Billionaire hedge fund manager Ken Griffin is seeking to sell a penthouse he owns at the Zaha Hadid-designed One Thousand Museum, The Real Deal has learned. A company tied to Griffin’s Miami ...