Billionaire investor Kenneth C Griffin runs one of the most successful hedge funds in the world. As the founder and CEO of ...

The stock market has proven resilient in the face of President Donald Trump's aggressive trade war and conflict in the Middle ...

Citadel Securities acquires Morgan Stanley's electronic options market-making business, solidifying its industry dominance.

Griffin, who runs a $66 billion hedge fund, was able to navigate markets that turned turbulent in April after U.S. President Donald Trump announced "reciprocal" tariffs on dozens of countries. Citadel ...

Ken Griffin, the founder and CEO of Citadel, is seen in November 2014. Nancy Stone / Chicago Tribune. Ken Griffin, from left, then-Mayor Rahm Emanuel and then-police Superintendent Eddie Johnson ...

Discover how Citadel Securities solidifies its dominance in market-making with a key acquisition from Morgan Stanley.

How Ken Griffin rebuilt Citadel’s ramparts on whatsapp (opens in a new window) Save Robin Wigglesworth, Laurence Fletcher and Ortenca Aliaj. Published April 7 2021.

Citadel, the hedge fund run by billionaire Ken Griffin, reported a record $16 billion in profit last year — knocking off Ray Dalio’s Bridgewater as the most successful firm seven years running.

Ken Griffin, Citadel's founder, speaks with executive Kelly Brennan at the firm's Palm Beach, Florida, bubble in 2020. Citadel 2022-06-23T19:30:12Z ...

Ken Griffin’s philanthropy. Citadel says Ken Griffin has donated more than $600 million to educational, cultural, medical and civic organizations over the past 30 years.

Citadel, the $51 billion hedge fund founded by Ken Griffin, is moving its global headquarters to Miami from Chicago, becoming the latest company to leave the Windy City.