A condo Griffin bought 25 years ago will be the last to go in the selloff he launched in 2022 after moving his family and his ...

It's a double whammy. Billionaire raises eyebrows with proposal for massive project at island compound: 'This is almost an ...

Billionaire Ken Griffin runs Citadel Advisors, a hedge fund that outperformed the S&P 500 (SNPINDEX: \^GSPC) by 7 percentage ...

A trio of billionaires received good news from the Miami Beach Planning Board on Tuesday. The board approved items related to hedge fund manager Ken Griffin’s private yacht marina on Terminal Island, ...

Billionaire hedge fund manager Ken Griffin added two of the most iconic artifacts in American history to his growing collection of rare documents — spending a combined $18.1 million for items signed ...

Billionaire Ken Griffin’s planned headquarters tower for his Citadel financial firms in Miami is already running into roadblocks, even as it comes in $1.5 billion more expensive than anticipated.

Citadel, the hedge fund founded by billionaire Ken Griffin, has launched a new artificial intelligence-powered tool that aims ...

Ken Griffin is worth an estimated $5 billion. — -- The wife of multibillionaire hedge fund manager Ken Griffin is asking a judge to throw out the prenuptial agreement that she says was signed ...

Citadel billionaire Ken Griffin is selling, for $80.5 million, the vacant Palm Beach building that once housed Neiman Marcus at 151 Worth Ave.

While appearing on TODAY last week, MrBeast challenged Ken Griffin, CEO of the hedge fund Citadel, for a donation to his philanthropic campaign, Team Water. Griffin heard the call and answered. TODAY ...