About Citadel Securities


Our Commitment

Making Better Markets for a Better World

Citadel Securities is a leading global market maker across a broad array of fixed income and equity products. Our unique set of capabilities and tools are designed to drive down the cost of transactions, helping to meet the liquidity needs of asset managers, banks, broker-dealers, hedge funds, government agencies, and public pension programs. We strive to provide the most efficient execution and the highest caliber of services, making markets more fair and accessible for all.

Our commitment to
civic leadership

At Citadel Securities, we are passionate problem solvers. We do not accept the status quo and we are constantly looking to achieve what others think is impossible. That’s true not just in our careers, but also in our communities.

With a focus on increasing access and opportunity so that people can pursue their dreams and realize their fullest potential, we act quickly, decisively and boldly in moments of great consequence to take on even the most difficult challenges, whether close to home or far afield.

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Our Track Record


Receives numerous industry awards including Equities and Currencies Flow Market-Maker of the Year by Risk Magazine. Solidifies position as the leading Designated Market-Maker (DMM) in Canada. Fortune Magazine names Citadel Securities CEO Peng Zhao to their 40 Under 40 list. Serves as DMM for Uber and Slack IPOs. Opens offices in Austin, Texas and Zurich, Switzerland.

Growth continues

Grows institutional client base to over 1,000 and surpasses 40% retail equity market share. Serves as Designated Market Maker for the historic direct listing of Spotify on the New York Stock Exchange. Launches Citadel Connect Europe, a systematic internalizer designed to provide bilateral liquidity to counterparties in Europe. Launches 110 trader development program in offices around the world. Receives numerous industry awards, including Equities Flow Market Maker of the Year and Currencies Flow Market Maker of the Year by Risk Magazine and ETF Liquidity Provider of the Year by ETF.com

Expands to serve clients in over 30 countries

Opens office in Dublin and increases international employee base to over 20% of total headcount. Receives numerous industry awards including Interest Rate Derivatives House of the Year by IFR, Market Maker of the Year by FOW, and Equities Flow Market Maker of the Year and Rates Flow Market Maker of the Year by Risk Magazine.

Becomes #1 Designated Market Maker on the NYSE

Becomes #1 Designated Market Maker on the NYSE3. Launches CDX market making. Wins “Rates and Equities Flow Market Maker of the Year” from Risk Magazine. 2016 also saw trading surges at critical historical moments, with Citadel Securities managing more than a 3x volume increase following the US election and over 4x during Brexit. Firm named one of the country’s 50 best workplaces for recent college graduates by Great Place to Work. Firm recognized as Best Flow House for Equities and Interest Rates by Risk Magazine.

Launches US Treasuries market making

Recognized as “Interest Rate Derivatives House of the Year” by Risk Magazine and IFR Magazine. Wins “Best Electronic Liquidity Provider” at the Markets Choice Awards. Named one of the country’s 30 best workplaces in financial services and insurance by Great Place to Work.

Launches Interest Rate Swap market making. Citadel Connect reaches 79m shares ADV2.
Launches OTC and IMM market making business
Begins delivery of algorithms to external clients
First one-billion share day in equity trading
Achieves 15% market share in equities1. Achieves first 1M contract option day
Launches options customer routing and equity market making businesses
Launches electronic options market making business, becoming industry leader in 18 months

Global Locations


Global Headquarters
131 South Dearborn Street
Chicago, IL 60603 USA

TEL 312-395-3100

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New York

350 Park Avenue
(Between 51st and 52nd Street)
New York, NY 10022 USA

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120 London Wall
London EC2Y 5ET
United Kingdom

TEL 44-0-20-7645-9700

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Hong Kong

16th Floor
Two International Finance Centre
8 Finance Street
Hong Kong SAR, China

TEL 852-3667-5500

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First Canadian Place
100 King Street West
Suite 4720
PO Box 147
Toronto, Ontario
M5X 1C7

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316 West 12th Street
5th floor
Austin, TX 78701 USA

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Level 20
Westpac Building
60 Martin Pl
Sydney NSW 2000

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One Grand Canal Square
5th Floor
Dublin 2
Dublin, Ireland

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Klausstrasse 19
Floor 3

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15/F Plaza 66, Tower II
Nanjing West Road
Shanghai, China

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Asia Square Tower 2
12 Marina View
Singapore, 018961

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11 Avenue Delcassé
75008 Paris – 5th FL

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