Billionaire hedge fund founder Ken Griffin has broken records for some ... according to the Bloomberg Billionaires Index. Some of his fortune was recently spent on a waterfront estate worth ...

"Tariffs are what you do in the death throes of a nation," Griffin said at a conference outside Miami.

Ken Griffin is partnering with Related Cos. to help develop the massive new Miami headquarters to house his Citadel businesses. Related, known for its work on developments such as Hudson Yards ...

Citadel’s Ken Griffin is forging ahead with his new Park Avenue office tower, filing plans with the city as the developers gear up for a public review of the project starting in March.

Ken Griffin is partnering ... to execute such an exciting project.” Griffin, who has a net worth estimated at nearly $42 billion according to the Bloomberg Billionaires Index, has been building ...

Ken Griffin is partnering ... to execute such an exciting project.” Griffin, who has a net worth estimated at nearly $42 billion according to the Bloomberg Billionaires Index, has been building ...