PROBE: U.S. DOJ Subpoenas Information from Citadel and KCG

Posted on 05/10/2016


Citadel LLC, a firm founded by billionaire Ken Griffin, has one of the largest private stock trading venues in the United States. It is known as an internalizer. The trading platform executes stock orders initiated by brokers against Citadel’s stock inventory. According to April documents by the Financial Industry Regulatory Authority (FINRA), Citadel’s private stock […]