
Citadel Securities LLC is an American market making firm headquartered in Miami, Florida. It is one of the largest market making firms in the United States, along with Virtu and Jane Street, and is involved in one out of every four stock trades in the United States as of 2026. It is also the largest designated market maker on the New York Stock Exchange.
Contender: Citadel
Ranked #2 on "Top 10 US Quantitative Hedge Funds". Cast your vote to back or challenge this spot.
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