The founder and CEO of Citadel pledged $8 million in 2022. The latest gift raises his total contributions to $13 million.

I n February, high-end Miami Beach real-estate agents buzzed that billionaire hedge-fund manager Ken Griffin had purchased ...

Ken Griffin and Home Depot founder Ken Langone join a growing list of executives blasting the president’s agenda.

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 ...

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 ...

(Bloomberg) -- Elon Musk’s Department of Government Efficiency recruited an assistant to billionaire Ken Griffin to help cut ... didn’t reply to a message seeking comment on Hoffman’s ...

Ken Griffin called the new tariffs President Trump announced last week a "huge policy mistake" and worried that other countries would invoke them as "an opportunity to displace American leadership ...