Sinan A. Aktar

CITADEL SECURITIES LLC

Chicago, IL 60603

Some features on this profile are disabled

CRD#: 2591478

Professional summary

Sinan Altan Aktar is a registered financial professional currently at CITADEL SECURITIES LLC located in Chicago, Illinois and CITADEL SECURITIES INSTITUTIONAL LLC located in Chicago, Illinois.

Sinan is registered as a RR (Registered Representative) and started their career in finance in 1995. Sinan has worked at 10 firms and has passed the Series 63, Series 57TO, SIE, Series 55, Series 7 and Series 24 exams.

Question & Answer

Are you a "fiduciary"?

Aliases

None

Other business activities

Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.

The advisor shows no other business activity.

Blog Corner

CRS (Client Relationship Summary) - BD

Click below to view Sinan Altan Aktar's CRS (Customer Relationship Summary).

Certified licenses

Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®

None

Experience

Current

August 2, 2017 - Present

CITADEL SECURITIES LLC

Office #1: 131 S. Dearborn Street, Chicago, IL 60603

CRD#: 116797

Chicago, IL

Current

May 23, 2019 - Present

CITADEL SECURITIES INSTITUTIONAL LLC

Office #1: 131 S. Dearborn Street, Chicago, IL 60603

CRD#: 281102

Chicago, IL

Past

October 5, 2016 - June 13, 2017

ARXIS SECURITIES LLC

CRD#: 172506

NEW YORK, NY

Past

July 16, 2008 - August 18, 2016

CITI ORDER ROUTING AND EXECUTION, LLC

CRD#: 103768

MT. PLEASANT, SC

Past

July 14, 2008 - November 8, 2012

AUTOMATED TRADING DESK BROKERAGE SERVICES, LLC

CRD#: 36000

MT. PLEASANT, SC

Past

August 18, 2006 - December 9, 2013

CITIGROUP GLOBAL MARKETS INC.

CRD#: 7059

NEW YORK, NY

Past

March 27, 2002 - August 18, 2006

TD WATERHOUSE CAPITAL MARKETS, INC.

CRD#: 116757

BELLEVUE, NE

Past

November 19, 2001 - May 31, 2002

TD AMERITRADE, INC.

CRD#: 7870

OMAHA, NE

Past

June 8, 2000 - August 21, 2001

LADENBURG THALMANN & CO. INC.

CRD#: 505

NEW YORK, NY

Past

June 16, 1995 - June 2, 2000

WM. V. FRANKEL & CO., INCORPORATED

CRD#: 1895

JERSEY CITY, NJ

State Registrations and Notice Filings

Listed states reflect where the advisor is authorized to serve clients under state regulations.

indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.

Visual representation of state registrations

Alabama
(8/2/2017)

Alaska
(8/2/2017)

California
(8/2/2017)

Florida
(8/2/2017)

Illinois
(5/23/2019)

Indiana
(5/23/2019)

Louisiana
(8/2/2017)

Michigan
(8/2/2017)

Montana
(8/2/2017)

New York
(8/2/2017)

Ohio
(5/23/2019)

Pennsylvania
(8/2/2017)

Puerto Rico
(8/2/2017)

Rhode Island
(8/2/2017)

Texas
(8/2/2017)

Virginia
(8/2/2017)

Washington
(8/2/2017)

West Virginia
(4/25/2024)

Wyoming
(8/2/2017)

Exams

State Security Law Exam

Series 63

Date: 12/12/2001

Uniform Securities Agent State Law Examination

General Industry/Product Exam

Series 57TO

Date: 1/2/2023

Securities Trader Exam

General Industry/Product Exam

SIE

Date: 10/1/2018

Securities Industry Essentials Examination

General Industry/Product Exam

Series 55

Date: 11/10/1999

Limited Representative-Equity Trader Exam

General Industry/Product Exam

Series 7

Date: 5/30/1995

General Securities Representative Examination

Principal/Supervisory Exam

Series 24

Date: 2/14/2001

General Securities Principal Examination

SRO Registrations

BOX Exchange LLC

SRO Registrations

Cboe BYX Exchange, Inc.

SRO Registrations

Cboe BZX Exchange, Inc.

SRO Registrations

Cboe C2 Exchange, Inc.

SRO Registrations

Cboe EDGA Exchange, Inc.

SRO Registrations

Cboe EDGX Exchange, Inc.

SRO Registrations

Cboe Exchange, Inc.

SRO Registrations

FINRA

SRO Registrations

Investors' Exchange LLC

SRO Registrations

MIAX Emerald, LLC

SRO Registrations

MIAX PEARL, LLC

SRO Registrations

MIAX Sapphire

SRO Registrations

Miami International Securities Exchange, LLC

SRO Registrations

NYSE American LLC

SRO Registrations

NYSE Arca, Inc.

SRO Registrations

NYSE Texas, Inc.

SRO Registrations

Nasdaq BX, Inc.

SRO Registrations

Nasdaq GEMX, LLC

SRO Registrations

Nasdaq ISE, LLC

SRO Registrations

Nasdaq MRX, LLC

SRO Registrations

Nasdaq PHLX LLC

SRO Registrations

Nasdaq Stock Market

SRO Registrations

New York Stock Exchange

Current Firm

CITADEL SECURITIES INSTITUTIONAL LLC

CRD#: 281102 / SEC#: , 8-69663

Broker-Dealer Firm Regulated by FINRA (Florida district office)

Upgrade to AdvisorCheck Premium

Get A Biweekly Pulse, AutomaticallyReceive biweekly alerts automatically. Stay informed and proactive.

Catch Firm-Level Red Flags SoonerCatch leadership changes and disclosures early, before issues escalate.

See Trends. Not Just SnapshotsMonitor firm stability metrics like AUM and advisor ratios over time.

Contact information

Main Address

830 Brickell Plaza, Miami, FL 33131

Mailing Address

830 Brickell Plaza, Miami, FL 33131

Phone number

(305) 929-6851

Established

Delaware since 06/08/2015

Firm type

Limited Liability Company

Fiscal year end

December

Firm Size

Medium

# of Employees

FINRA licenses (16 States and Territories)

Documents

Direct owners and executive officers

Name	Position	CRD#
CSHC US LLC	OWNER
ZHAO, PENG	CHIEF EXECUTIVE OFFICER	4978269
CITADEL SECURITIES GROUP LP (FKA CALC IV LP)	MANAGING MEMBER
HAROLD, MARC RYAN	CHIEF COMPLIANCE OFFICER	3200916
HENRY, STEVEN MICHAEL	CHIEF ACCOUNTING OFFICER	5587809

Red Flags

Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.

Check for any disclosures as part of your thorough research when choosing an advisor.

Similar Advisors

Michael Basile

COUNTRY CAPITAL MANAGEMENT COMPANY

Chicago, IL

Louis Paster

UBS FINANCIAL SERVICES INC.

IAR

Chicago, IL

Jaime Villalobos

WILLIAM BLAIR

IAR

Chicago, IL

We're Here To Help

Advisor Monitoring

Firm Stability Insights

Sinan A. Aktar

Professional summary

Question & Answer

Aliases

Other business activities

Blog Corner

CRS (Client Relationship Summary) - BD

Click below to view Sinan Altan Aktar's CRS (Customer Relationship Summary).

Certified licenses

Experience

CITADEL SECURITIES INSTITUTIONAL LLC

ARXIS SECURITIES LLC

CITI ORDER ROUTING AND EXECUTION, LLC

AUTOMATED TRADING DESK BROKERAGE SERVICES, LLC

CITIGROUP GLOBAL MARKETS INC.

TD WATERHOUSE CAPITAL MARKETS, INC.

TD AMERITRADE, INC.

LADENBURG THALMANN & CO. INC.

WM. V. FRANKEL & CO., INCORPORATED

State Registrations and Notice Filings

Exams

Series 63

Date: 12/12/2001

Series 57TO

Date: 1/2/2023

SIE

Date: 10/1/2018

Series 55

Date: 11/10/1999

Series 7

Date: 5/30/1995

Series 24

Date: 2/14/2001

BOX Exchange LLC

Cboe BYX Exchange, Inc.

Cboe BZX Exchange, Inc.

Cboe C2 Exchange, Inc.

Cboe EDGA Exchange, Inc.

Cboe EDGX Exchange, Inc.

Cboe Exchange, Inc.

FINRA

Investors' Exchange LLC

MIAX Emerald, LLC

MIAX PEARL, LLC

MIAX Sapphire

Miami International Securities Exchange, LLC

NYSE American LLC

NYSE Arca, Inc.

NYSE Texas, Inc.

Nasdaq BX, Inc.

Nasdaq GEMX, LLC

Nasdaq ISE, LLC

Nasdaq MRX, LLC

Nasdaq PHLX LLC

Nasdaq Stock Market

New York Stock Exchange

Current Firm

CITADEL SECURITIES INSTITUTIONAL LLC

Contact information

FINRA licenses (16 States and Territories)

Documents

Direct owners and executive officers

Red Flags

Company Information

CITADEL SECURITIES INSTITUTIONAL LLC

TRUST BUT VERIFY

Similar Advisors