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RIA / WealthAdvisordual registered (broker-dealer)32 years in industry

MITCHELL BLAIR THORNTON

Advisor at NORTHERN TRUST SECURITIES, INC

Elmhurst, IL | CHICAGO, IL | Chicago, IL

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Search this name across graphsid dfx:ria:f2ed26d7-33ec-3b0e-e09d-35ea6ffc5cd8

Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 1:30 AM UTC and rebuilt at most every 15 minutes.

Relationships: 5
Dated events: 0
On other graphs: 0
Observed: Aug 22, 1994 to Sep 15, 2026

Across DFX

This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Current firm: NORTHERN TRUST SECURITIES, INC
Current firm class: broker-dealer affiliated wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Aug 19, 1994earliest registration or exam on IAPD
Years in industry: 32derivedfrom the industry start date
Years at current firm: 10derivedfrom the current registration's begin date
Prior firms: 4
Current registrations: 1
Registered states: 1
Exams: S65|S63|S66
First exam: Aug 19, 1994
First registration: Aug 22, 1994
Dual registered: yes, broker-dealer
IAPD individual key: 2515299

Registration history

registration spans on IAPD; the basis says whether the span is a current registration or a prior employment record

Firm	Class	Began	Ended	Current	Branch	Basis
NORTHERN TRUST SECURITIES, INC	Bd affiliated wealth	Jul 11, 2016	n/a	yes	CHICAGO, IL\|Elmhurst, IL\|Chicago, IL	Current employment
MOORS & CABOT, INC	Bd affiliated wealth	Aug 11, 2009	Aug 20, 2010	no	SAN FRANCISCO, CA	Previous registration
BANC OF AMERICA INVESTMENT SERVICES, INC.	n/a	Aug 22, 2006	Feb 9, 2009	no	SAN FRANCISCO, CA	Previous registration
WELLS FARGO INVESTMENTS, LLC	n/a	Apr 28, 2005	Aug 21, 2006	no	MENLO PARK, CA\|PALO ALTO, CA\|SAN CARLOS, CA\|PALO ALTO, CA\|LOS ALTOS, CA\|MENLO PARK, CA\|MOUNTAIN VIEW, CA\|PALO ALTO, CA\|BURLINGAME, CA\|FOSTER CITY, CA\|LOS ALTOS, CA\|MILLBRAE, CA\|REDWOOD CITY, CA\|REDWOOD CITY, CA\|SAN MATEO, CA\|SOUTH SAN FRANCISCO, CA\|WOODSIDE, CA\|SAN MATEO, CA\|SAN BRUNO, CA\|PALO ALTO, CA\|BELMONT, CA\|BURLINGAME, CA\|HALF MOON BAY, CA	Previous registration
MORGAN STANLEY DW INC.	n/a	Aug 22, 1994	Apr 20, 2005	no	PURCHASE, NY	Previous registration

Moves

a move is two registration dates; a bulk corporate re-registration is typed BULK_TRANSFER and is not a move

From	To	Left	Joined	Gap, days	Kind	Move type
MOORS & CABOT, INC	NORTHERN TRUST SECURITIES, INC	Aug 20, 2010	Jul 11, 2016	2,152	Firm change after gap	Other
BANC OF AMERICA INVESTMENT SERVICES, INC.	MOORS & CABOT, INC	Feb 9, 2009	Aug 11, 2009	183	Firm change	Other
WELLS FARGO INVESTMENTS, LLC	BANC OF AMERICA INVESTMENT SERVICES, INC.	Aug 21, 2006	Aug 22, 2006	1	Firm change	Other
MORGAN STANLEY DW INC.	WELLS FARGO INVESTMENTS, LLC	Apr 20, 2005	Apr 28, 2005	8	Firm change	Other

Relationships

Registered with (5)

→ NORTHERN TRUST SECURITIES, INCRegistered adviserregistration: current employment
Jul 11, 2016 to presentfactForm ADV
→ MOORS & CABOT, INCRegistered adviserregistration: previous registration
Aug 11, 2009 to Aug 20, 2010factForm ADV
→ BANC OF AMERICA INVESTMENT SERVICES, INC.Registered adviserregistration: previous registration
Aug 22, 2006 to Feb 9, 2009factForm ADV
→ WELLS FARGO INVESTMENTS, LLCRegistered adviserregistration: previous registration
Apr 28, 2005 to Aug 21, 2006factForm ADV
→ MORGAN STANLEY DW INC.Registered adviserregistration: previous registration
Aug 22, 1994 to Apr 20, 2005factForm ADV

Dated events

No dated event names this entity yet.