Billionaire hedge fund manager Ken Griffin just raised Citadel's position in global-consulting powerhouse Accenture.

Jeff Yass and Ken Griffin are in a league of their own. Yass is the co-founder and managing director at the global ...

Ken Griffin started the Citadel hedge fund in 1990. In the third quarter, Griffin and Citadel more than tripled its stake in ...

Ken Griffin is arguably one of the most successful investors of all time. He made a name for himself when he shorted stocks ...

While much of the media's attention has been squarely focused on Nvidia, longtime tech behemoth Microsoft (NASDAQ: MSFT) is ...

Citadel Advisors, run by billionaire investor Ken Griffin, is one of the most prestigious hedge funds on Wall Street, and ...

Griffin has been happy with how Sequoia, which is a minority shareholder in Citadel Securities, has helped his market maker.

The era of explosive growth in multistrategy hedge funds is over, according to billionaire Ken Griffin, who runs one of the ...

Hedge-fund titan Ken Griffin said he’s anxious about Donald Trump’s potential tariff policies, but that the US economy is ...

Billionaire hedge fund mogul Ken Griffin is continuing his exodus from Chicago with the sale of his luxury penthouse at the No. 9 Walton condo tower, taking a staggering 44% loss on the deal.

In today's big story, billionaire Ken Griffin has some advice for President-elect Donald Trump, including a suggestion for his Treasury pick. What's on deck: But first, can I give you a tip?

The billionaire Republican megadonor and Citadel CEO Ken Griffin has expressed openness to selling a minority stake in the $65 billion hedge fund he established in 1990. In an interview with ...