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Private company

Citadel Securities

Logo: Citadel Securities, Public domain, via Wikimedia Commons4

American market making firm

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 2026.2 It was founded by Kenneth C. Griffin.1 Its chief executive is Peng Zhao (since 2017).1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • Industryfinancial services1
  • HeadquartersMiami1
  • Websitewww.citadelsecurities.com
  • Legal formlimited liability company1
  • LEI12UUJYTN7D3SW8KCSG253
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressC/O The Corporation Trust Company, 19801 Wilmington, United States3
  • Registered withDivision of Corporations, Department of State, 34201833

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830 Brickell Construction, Miami April 2024 C
Photo: Phillip Pessar, CC BY 2.0, via Wikimedia Commons5

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 2026.2

Corporate structure

Citadel Securities is part of a group headed by Citadel Securities Global Holdings LLC. 4 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

The story

Founded by Kenneth C. Griffin.1

Leadership

Who has led Citadel Securities, and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Peng Zhao2017–now
20202025

Subsidiaries and ownership

Parent company (GLEIF)

Ultimate parent

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Jul 30, 2021Parent Directly consolidated by CSHC US LLC3
  2. Jan 2017New chief executive Peng Zhao becomes CEO1
  3. Jul 30, 2001Founded Citadel Securities is founded3

Sources

The numbers on this page point here. Each one links to the record it came from.

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