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MR

Mairin Rooney

GT SECURITIES
Los Angeles, CA 90094
Some features on this profile are disabled
CRD#: 5893591
MR

Professional summary

Mairin Rooney, who also goes by Mairin Christin Rooney, Mairin Rooney, is a registered financial professional currently at GT SECURITIES, INC. located in Los Angeles, California.

Mairin is registered as a RR (Registered Representative) and started their career in finance in 2011. Mairin has worked at 5 firms and has passed the Series 63, SIE, Series 79 and Series 24 exams.

Question & Answer

Are you a "fiduciary"?
No

Aliases

Mairin Christin Rooney | Mairin Rooney

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 Mairin Rooney's CRS (Customer Relationship Summary).
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

January 20, 2026 - Present

GT SECURITIES, INC.

Office #1: 12130 Millennium Dr Suite 300, Los Angeles, CA 90094
BD
CRD#: 116012
Los Angeles, CA
Past

August 2, 2021 - February 15, 2024

LEERINK PARTNERS LLC

BD
CRD#: 39011
NEW YORK, NY
Past

October 12, 2017 - August 25, 2021

GOLDMAN SACHS & CO. LLC

BD
CRD#: 361
NEW YORK, NY
Past

April 30, 2015 - May 2, 2017

MORGAN STANLEY & CO. LLC

BD
CRD#: 8209
NEW YORK, NY
Past

March 11, 2014 - April 29, 2015

WELLS FARGO SECURITIES, LLC

BD
CRD#: 126292
NEW YORK, NY
Past

May 26, 2011 - December 13, 2013

WELLS FARGO SECURITIES, LLC

BD
CRD#: 126292
NEW YORK, NY

State Registrations and Notice Filings

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

RR
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

RR
California
(2/4/2026)

Exams

State Security Law Exam
RR
Series 63
Date: 3/18/2011
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
SIE
Date: 10/1/2018
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 79
Date: 5/25/2011
Investment Banking Registered Representative Examination
Principal/Supervisory Exam
RR
Series 24
Date: 4/27/2021
General Securities Principal Examination
SRO Registrations
RR
FINRA

Current Firm

GS
GT SECURITIES, INC.
GROWTHINK SECURITIES, INC. | GT SECURITIES, INC. | GROWTHINK, INC.

CRD#: 116012 / SEC#: , 8-53527

BD
Broker-Dealer Firm Regulated by FINRA (Los Angeles district office)
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Contact information

Main Address
12130 Millennium Dr Suite 300, Los Angeles, CA 90094
Mailing Address
12130 Millennium Dr, Los Angeles, CA 90094
Phone number
(310) 846-5004
Established
California since 12/06/2001
Firm type
Corporation
Fiscal year end
December
Firm Size
Medium
# of Employees

FINRA licenses (51 States and Territories)

Blank US states mapAlaskaHawaiiAlabamaArkansasArizonaCaliforniaColoradoConnecticutDelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWisconsinWest VirginiaWyoming

Documents

Customer Relationship Summary (CRS / FINRA)

Direct owners and executive officers

NamePositionCRD#
GROWTHINK, INC.PARENT CORPORATION
LAVINSKY, DAVID KENNETHMANAGING DIRECTOR4455040
TURO, JAMES STEVENMANAGING DIRECTOR & CHIEF COMPLIANCE OFFICER2083402

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.

Company Information

GT SECURITIES, INC.

CRD#: 116012Los Angeles, CA 90094

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