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David Walter Odiorne III

Investment Adviser Representative at MASON INVESTMENT ADVISORY SERVICES INC

Reston, VACRD #1893820Dual-registered
No disclosures on record
Sourced from SEC IAPD & FINRA BrokerCheck
Years of Experience
30 yrs
States Registered
2 states
Exams Passed
6

Registrations & licenses

Registration type
Dual-registered
Registered in 2 states
ConnecticutVirginia
Examinations passed
Series 65
Uniform Investment Adviser Law Examination
Passed 12/30/1999
Series 63
Uniform Securities Agent State Law Examination
Passed 10/18/1999
SIE
Securities Industry Essentials Examination
Passed 10/1/2018
Series 7
General Securities Representative Examination
Passed 10/7/1999
Series 6
Investment Company Products/Variable Contracts Representative Examination
Passed 2/16/1989
Series 8
General Securities Sales Supervisor Examination (Options Module & General Module)
Passed 7/12/1995

Approximate fees

Estimated from the firm's Form ADV — individual terms may differ. Not a quote.

Primary fee model
Assets Under Management (AUM)
Source

Mason Investment Advisory Services Inc Form ADV Part 2A (Item 5), most recent annual amendment.

Employment history

Registration history as reported to FINRA, most recent first.

MASON INVESTMENT ADVISORY SERVICES INCCurrent
1/9/2001Reston, VA
MASON SECURITIES, INC.
10/8/199911/10/2025Reston, VA
NORTHWESTERN MUTUAL INVESTMENT SERVICES, INC.
11/12/19944/8/1996Milwaukee, WI
ROBERT W. BAIRD & CO. INCORPORATED
11/12/19944/8/1996Milwaukee, WI
NML EQUITY SERVICES, INC.
2/17/19891/29/1991Milwaukee, WI

Official records & sources

Data as of August 9, 2026 · Source: SEC IAPD & FINRA BrokerCheck

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About this profile

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. David Walter Odiorne III has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.

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