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Mitchell Blair Thornton

NORTHERN TRUST SECURITIES, INC.·CHICAGO, Illinois
SIE, Series 3, Series 7, Series 8, Series 9, Series 10, Series 24, Series 31, Series 63, Series 65, Series 66Clean record31 years registeredNORTHERN TRUST SECURITIES, INC.
50 S. LASALLE, CHICAGO, IL 60603-0001CRD# 2515299Firm CRD# 7927

Profile Verification

Sourced · FINRA · SEC · CFP Board · Self-disclosed
Identity
Mitchell Blair Thornton · CHICAGO, IL
Registration
CRD #2515299 · NORTHERN TRUST SECURITIES, INC. · 31 years registered
Brand Profile
Not yet started
01

Career History

Jul 2016present
Aug 2009Aug 2010
SAN FRANCISCO, CA
BANC OF AMERICA INVESTMENT SERVICES, INC.
Aug 2006Feb 2009
SAN FRANCISCO, CA
WELLS FARGO INVESTMENTS, LLC
Apr 2005Aug 2006
PALO ALTO, CA
MORGAN STANLEY
Aug 1994Apr 2005
PURCHASE, NY
02

Registrations & Exams

FINRA examinations passed
SIE
Series 3
Series 7
Series 8
Series 9
Series 10
Series 24
Series 31
Series 63
Series 65
Series 66
Registration record
First registered · August 22, 1994
Years registered · 31
03

Disclosure History

Clean record · no disclosure events on file

Source: SEC IAPD, as of 14 August 2026. Verify on FINRA BrokerCheck →

04

Firm Overview

Firm
NORTHERN TRUST SECURITIES, INC.
CRD 7927 · SEC 801-80781
AUM
$1.0B
Regulatory assets under management
Employees
75
2,110 client accounts
Services offered by NORTHERN TRUST SECURITIES, INC.
Per Form ADV
Portfolio management (individuals)
Pension consulting
Selection of other advisers
Security ratings or pricing services
Client types served by the firm
Per Form ADV
Individuals
Pension & Retirement Plans
Introduction

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05

Frequently Asked Questions

What services does Mitchell Blair Thornton offer?
Mitchell Blair Thornton specializes in Investment Management, Retirement Planning, Wealth Management. Contact their office in CHICAGO, Illinois for a consultation.
What are Mitchell Blair Thornton's credentials?
Mitchell Blair Thornton is a registered investment adviser representative. Check their firm's Form ADV filing for detailed qualification information.
Where is Mitchell Blair Thornton located?
Mitchell Blair Thornton is based in CHICAGO, Illinois, working with NORTHERN TRUST SECURITIES, INC.. Their office serves clients in the CHICAGO metropolitan area and surrounding communities.
How does Mitchell Blair Thornton charge for services?
Mitchell Blair Thornton's firm is compensated through percentage of aum, subscription fees, commissions. Always review the firm's Form ADV Part 2 for complete fee details before engaging an advisor.
How large is NORTHERN TRUST SECURITIES, INC.?
NORTHERN TRUST SECURITIES, INC. has approximately 75 employees and manages $1.0B in regulatory assets under management. The firm is registered with the SEC as an investment adviser.
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