Two Sigma

Two Sigma Investments LP is a New York City-based international hedge fund that uses a variety of technological methods, including artificial intelligence, machine learning, and distributed computing, for its trading…

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Citadel LLC

Citadel LLC (formerly known as Citadel Investment Group, LLC) is an American global financial institution. Founded in 1990 by Kenneth C. Griffin, the company operates two primary businesses: Citadel, one…

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