Hudson River Trading

Jane Street

Financial Services

New York, NY

Two Sigma

Financial Services

New York, NY

Citadel

Financial Services

Miami, Florida

Optiver

Financial Services

Jump Trading Group

Financial Services

Chicago, Illinois

IMC Trading

Financial Services

Amsterdam, Noord Holland

Citadel Securities

Financial Services

Miami, Florida

Millennium

Investment Management

New York, NY

Point72

Financial Services

Stamford, Connecticut

The D. E. Shaw Group

Financial Services

New York, New York