Ken Griffin

First, Boeing announced it was leaving Chicago. Then came Caterpillar. And now, Citadel.

After billionaire Ken Griffin announced his company would be leaving Chicago, Mayor Lori Lightfoot praised his philanthropic efforts while defending the city against criticisms about crime. NBC 5’s Natalie Martinez has more on the decision, and how residents are reacting.

Two grocery stores are joining a number of businesses closing up shop in Chicago due in part to growing crime. The state’s richest billionaire is also doing the same. NBC 5’s Charlie Wojciechowski reports.

Already facing criticism from Republican opponents for businesses leaving Illinois, Gov. J.B. Pritzker is under more scrutiny after billionaire Ken Griffin announced that his investment firm Citadel will move from Chicago.

“Miami is a vibrant, growing metropolis that embodies the American Dream,” Griffin said in a letter to employees, about the decision to move.

A 105,000-square-foot Los Angeles megamansion known as “The One” sold at a bankruptcy auction for $141 million

Billionaire Ken Griffin made his support for a Republican governor official on Monday, contributing $20 million to Aurora Mayor Richard Irvin in his quest to replace Democratic Gov. J.B. Pritzker.

Along with a record-setting price, the property known as “The One,” in the Bel Air section of Los Angeles, comes with a history of drama, lawsuits and debt.

Sales at Christie’s, Sotheby’s and Philips totaled $2.65 billion over the course of the two weeks, according to Pi-eX.

The record payday is likely to draw criticism over hedge fund pay and fairness in financial markets.

Billionaire hedge fund manager Ken Griffin is donating $4.75 million to repair portions of Chicago’s Lakefront Trail damaged by weather and rising water levels as the city’s iconic landmark prepares to reopen. Sandra Torres reports.

The Museum of Science and Industry will change its name in honor of a record $125 million donation from Chicago billionaire Ken Griffin, the museum announced Thursday

The Museum of Science and Industry will change its name in honor of a record $125 million donation from Ken Griffin, the Chicago museum announced Thursday.

An estate on Indian Creek Island sold for $50 million, making it the most expensive single-family home ever sold in the Miami area, according to people familiar with the deal. The property, at 3 Indian Creek Island Road, was not officially listed but had sold in 2012 for $47 million. At the time, that marked a record for the most...

A billionaire hedge fund founder has purchased a penthouse in New York for roughly $238 million.

Hedge fund billionaire Ken Griffin closed a deal to buy the most expensive home ever sold in the U.S., paying around $238 million for a New York penthouse overlooking Central Park. The deal is the largest in Griffin’s recent $700 million, global real estate shopping spree, believed to be the largest ever for a U.S. billionaire.

Aug. 22, 2018, was a big day for arguably the most powerful politician in Illinois.