AdvisorCheck - Find and Connect with Top Financial Advisors on Your Terms
Advisor Search
Why AdvisorCheck

We're Here To Help

AdvisorCheck empowers you to find, evaluate, and monitor financial advisors with confidence and clarity.

Advisor Monitoring

Financial advisor's situations can change, sometimes without notice. AdvisorCheck's Monitoring tool helps you avoid surprises and stay on top of your financial health.

Firm Stability Insights

The stability of your financial advisor's firm has a significant impact in the security and quality of service you receive. Our tool provides historical data and key insights over time to help you make informed, confident decisions.

Pricing
For Advisors
DM

Donald L. Mahon

BTIG
Dallas, TX 75201
Some features on this profile are disabled
CRD#: 2890417
DM

Professional summary

Donald Lee Mahon is a registered financial professional currently at BTIG, LLC located in Dallas, Texas.

Donald is registered as a RR (Registered Representative) and started their career in finance in 1997. Donald has worked at 8 firms and has passed the Series 63, Series 99TO, SIE, Series 87, Series 7, Series 4, Series 14, Series 10, Series 9 and Series 24 exams.

Question & Answer

Are you a "fiduciary"?
No

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 Donald Lee Mahon'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

July 19, 2010 - Present

BTIG, LLC

Office #1: 200 Crescent Court Suite 225, Dallas, TX 75201
BD
CRD#: 122225
Dallas, TX
Past

January 31, 2011 - May 13, 2026

BAYRIDGE SECURITIES, LLC

BD
CRD#: 155765
SAN FRANCISCO, CA
Past

October 27, 2004 - August 11, 2010

THOMAS WEISEL PARTNERS LLC

RIA
CRD#: 46237
SAN FRANCISCO, CA
Past

April 24, 2000 - August 11, 2010

THOMAS WEISEL PARTNERS LLC

BD
CRD#: 46237
SAN FRANCISCO, CA
Past

May 20, 1999 - January 18, 2000

E*OFFERING

BD
CRD#: 36717
SAN FRANCISCO, CA
Past

September 1, 1998 - May 19, 1999

ROBERTSON STEPHENS, INC.

BD
CRD#: 41271
SAN FRANCISCO, CA
Past

July 30, 1998 - September 1, 1998

BANCAMERICA SECURITIES, INC.

BD
CRD#: 17977
SAN FRANCISCO, CA
Past

April 6, 1998 - July 16, 1998

LEHMAN BROTHERS INC.

BD
CRD#: 7506
NEW YORK, NY
Past

June 27, 1997 - March 17, 1998

RODMAN & RENSHAW INC.

BD
CRD#: 724
CHICAGO, IL

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
(7/19/2010)
RR
Colorado
(7/19/2010)
RR
Connecticut
(7/19/2010)
RR
Illinois
(7/19/2010)
RR
Massachusetts
(7/19/2010)
RR
New Jersey
(7/19/2010)
RR
New York
(7/19/2010)
RR
Texas
(7/19/2010)

Exams

State Security Law Exam
RR
Series 63
Date: 7/3/1997
Uniform Securities Agent State Law Examination
General Industry/Product Exam
RR
Series 99TO
Date: 1/2/2023
Operations Professional Examination
General Industry/Product Exam
RR
SIE
Date: 10/1/2018
Securities Industry Essentials Examination
General Industry/Product Exam
RR
Series 87
Date: 8/12/2010
Research Analyst Exam - Part II Regulations Module
General Industry/Product Exam
RR
Series 7
Date: 6/26/1997
General Securities Representative Examination
Principal/Supervisory Exam
RR
Series 4
Date: 4/15/2011
Registered Options Principal Examination
Principal/Supervisory Exam
RR
Series 14
Date: 9/11/2008
Compliance Officer Examination
Principal/Supervisory Exam
RR
Series 10
Date: 12/31/2002
General Securities Sales Supervisor - General Module Examination
Principal/Supervisory Exam
RR
Series 9
Date: 12/19/2002
General Securities Sales Supervisor - Options Module Examination
Principal/Supervisory Exam
RR
Series 24
Date: 8/20/1999
General Securities Principal Examination
SRO Registrations
RR
Cboe BZX Exchange, Inc.
SRO Registrations
RR
FINRA
SRO Registrations
RR
NYSE Arca, Inc.
SRO Registrations
RR
Nasdaq ISE, LLC
SRO Registrations
RR
Nasdaq Stock Market

Current Firm

BL
BTIG, LLC
BASS TRADING, LLC | BTIG, LLC | BTIG ELECTRONIC TRADING | BAYPOINT TRADING, LLC

CRD#: 122225 / SEC#: , 8-65473

BD
Broker-Dealer Firm Regulated by FINRA (San Francisco district office)
Loading...

Contact information

Main Address
350 Bush Street 9th Floor, San Francisco, CA 94104
Mailing Address
350 Bush Street 9th Floor, San Francisco, CA 94104
Phone number
(415) 248-2200
Established
Delaware since 06/05/2002
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Large
# of Employees

FINRA licenses (53 States and Territories)

Documents

Customer Relationship Summary (CRS / FINRA)

Direct owners and executive officers

NamePositionCRD#
CONDOR TRADING LPMANAGER/MEMBER
CZEPIEL, KYLE ROBERTCHIEF OPERATING OFFICER2360785
ENDRES, BRIAN KENNETHCFO/FINOP/PRINCIPAL FINANCIAL OFFICER AND PRINCIPAL OPERATIONS OFFICER2673131
HAMILTON, AUSTINCHIEF COMPLIANCE OFFICER2592315
LEROY, ANTON MAURICECHIEF EXECUTIVE OFFICER2862204

Disclosures

Regulatory Event11
Civil Event1

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

BTIG, LLC

CRD#: 122225Dallas, TX 75201

TRUST BUT VERIFY

Monitor Donald Mahon

Get automatic monthly alerts on:
Job or Firm Moves
Licensing Changes
Client Complaints
New Red Flags
Contact Information Updates

Similar Advisors

Kenneth Bernard Hopkins
Kenneth HopkinsAdvisorCheck Check Mark
ORION WEALTH MANAGEMENT LLC
IAR
RR
RICHARDSON, TX
David Antonio Alvarez
David AlvarezAdvisorCheck Check Mark
EDWARD JONES
IAR
RR
Grapevine, TX
JM
Jonathan MeaneyAdvisorCheck Check Mark
RAYMOND JAMES FINANCIAL SERVICES ADVISORS, INC
IAR
RR
DALLAS, TX
footer-logo
How We Help
Advisor Search
Find Advisors by State
Blog
Glossary
For Advisors
About Us
Help Center
Terms Of UsePrivacy PolicySubscription Policy
Help Center
AdvisorCheck does not offer investment advice and should not replace discussions with professional accounting, tax, legal or financial advisors.© 2026 AdvisorCheck, an AIMR Analytics company. All rights reserved.