Citadel’s Ken Griffin Sues IRS for Leaking Financial Data Business News Citadel’s Ken Griffin Sues IRS for Leaking Financial Data Frank Nez January 19, 2023 [Bloomberg] Billionaire hedge fund manager Ken Griffin sued the USÂ Internal Revenue Service, claiming it failed to protect... Read More Read more about Citadel’s Ken Griffin Sues IRS for Leaking Financial Data