Donna M. Buchanan
Professional summary
Donna Mcmahan Buchanan, who also goes by Donna Lynn Mcmahan, is a registered financial advisor currently at CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. located in Baltimore, Maryland and CAMBRIDGE INVESTMENT RESEARCH, INC. located in Shelton, Connecticut.
Donna is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1994. Donna has worked at 6 firms and has passed the Series 65, Series 63, SIE, Series 7 and Series 6 exams.
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Donna Mcmahan Buchanan's CRS (Customer Relationship Summary).
Certified licenses
Experience
October 29, 2007 - Present
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
Office #1: 8010 Corporate Dr Ste A, Baltimore, MD 21236Office #2: 2 Corporate Dr., Ste. 921, Shelton, CT 06484March 1, 1999 - Present
CAMBRIDGE INVESTMENT RESEARCH, INC.
Office #1: 2 Corporate Dr. Ste. 921, Shelton, CT 06484Office #2: 230 Schilling Circle Suite 352, Hunt Valley, MD 21031January 1, 1999 - November 7, 2007
API FINANCIAL PLANNING SERVICES INC
October 8, 1996 - March 1, 1999
SUNAMERICA SECURITIES, INC.
February 1, 1996 - October 4, 1996
CRESTAR SECURITIES CORPORATION
February 23, 1994 - February 1, 1996
LOYOLA INVESTMENT SERVICES, INC.
Primary Firm SEC Registration
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CRD#: 134139 / SEC#: 801-63930
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(8/5/2005)
(7/29/2024)
(12/23/2025)
(5/26/1999)
(1/21/2020)
(7/29/2024)
(7/29/2024)
(3/1/1999)
(10/29/2007)
(10/1/2020)
(10/18/2023)
(7/29/2024)
(7/31/2024)
(1/2/2020)
(7/29/2024)
(1/29/2019)
(7/29/2024)
(6/25/2020)
Exams
FINRA
Current Firm
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
CRD#: 134139 / SEC#: 801-63930
Contact information
SEC notice filing (53 States and Territories)
Regulatory assets under management
| Total Number of Accounts | 438,414 |
| AUM (Assets Under Management) | $ 102,413,096,032 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 12/16/2025 | ||
| 11/26/2025 | ||
| 12/09/2024 | ||
| 04/29/2024 |
Red Flags
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