Kenneth C. Griffin, the billionaire plaintiff seeking damages in the Littlejohn leaker suit, has reached an agreement with the IRS and the Treasury to dismiss the case with prejudice.

Billionaire philanthropist and Citadel CEO Ken Griffin has donated $15 million to Mount Sinai Medical Center to help expand cancer research and treatment in Miami Beach and Hialeah.

The Griffin Museum of Science and Industry recently unveiled a new interactive exhibit, “Beyond the Surface: The Art of ...

The exhibit takes up four rooms in the Kenneth C. Griffin Studio. Entering the studio, guests walk past an introduction of Duman and the show, then are introduced to the history of X-rays. Multiple ...

The billionaire Kenneth C. Griffin, who bought the stegosaurus fossil for $44.6 million, is lending it to the American Museum of Natural History in New York for four years.

Last month, the Museum of Science and Industry officially added Kenneth C. Griffin to the front of its name, a rebranding that has been in the works since Griffin’s $125 million donation in 2019.

The Museum of Science and Industry is now the Kenneth C. Griffin Museum of Science and Industry, named after the billionaire CEO of Citadel, pictured, in recognition of his $125 million donation.

Back in 2017, Griffin, through the Kenneth C. Griffin Charitable Fund, donated $16.5 million to the Chicago-based Field Museum.

Mr. Griffin is the founder, CEO, co-chief investment officer and 80% owner of Citadel, a multinational hedge fund with $63 billion in assets under management. He moved the company’s global ...

Back in 2017, Griffin, through the Kenneth C. Griffin Charitable Fund, donated $16.5 million to the Chicago-based Field Museum.

Big-Name Donors Are Moving On From Trump Deep-pocketed conservatives, including Stephen A. Schwarzman and Kenneth C. Griffin, said they plan to back alternatives to the former president.