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RIA / WealthAdvisorChartered Financial Analyst20 years in industry

MARY ERWIN

Advisor at O'SHAUGHNESSY ASSET MANAGEMENT, LLC

STAMFORD, CT

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Search this name across graphsid dfx:ria:a784fc90-3ac1-a003-94f4-dbbe81c995c8

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 12:27 PM UTC and rebuilt at most every 15 minutes.

Relationships: 9
Dated events: 2
On other graphs: 0
Observed: Jan 6, 2006 to Sep 14, 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: O'SHAUGHNESSY ASSET MANAGEMENT, LLC
Current firm class: independent wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Jan 6, 2006earliest registration or exam on IAPD
Years in industry: 20derivedfrom the industry start date
Years at current firm: 0derivedfrom the current registration's begin date
Prior firms: 8
Current registrations: 1
Registered states: 1
Designations: Chartered Financial Analyst
Exams: S66
First exam: Dec 5, 2018
First registration: Jan 6, 2006
Dual registered: no
Other names: Mary Rose Erwin|Mary Erwin
IAPD individual key: 4800999

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
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	Independent wealth	Sep 29, 2025	n/a	yes	STAMFORD, CT	Current employment
RUSSELL INVESTMENTS	Asset manager	Apr 18, 2023	May 13, 2024	no	SEATTLE, WA\|Tampa, FL	Previous registration
RAYMOND JAMES & ASSOCIATES, INC.	National bd RIA	Nov 5, 2019	Nov 17, 2022	no	ST. PETERSBURG, FL	Previous registration
Captrust	Institutional manager	Apr 18, 2019	Jun 17, 2019	no	Tampa, FL\|RALEIGH, NC	Previous registration
BLACKROCK INVESTMENT MANAGEMENT, LLC	Asset manager	Dec 12, 2018	Mar 22, 2019	no	Boston, MA\|PRINCETON, NJ	Previous registration
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	Wirehouse	Oct 15, 2013	Jan 15, 2015	no	TAMPA, FL\|NEW YORK, NY\|BOSTON, MA	Previous registration
BLACKROCK INVESTMENT MANAGEMENT, LLC	Asset manager	Apr 19, 2007	Jul 31, 2009	no	PRINCETON, NJ	Previous registration
MERRILL LYNCH INVESTMENT MANAGERS LP	n/a	May 30, 2006	Oct 2, 2006	no	SAINT PETERSBURG, FL\|PLAINSBORO, NJ	Previous registration
T. ROWE PRICE ADVISORY SERVICES, INC.	Bd affiliated wealth	Jan 6, 2006	May 4, 2006	no	TAMPA, FL	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
RUSSELL INVESTMENTS	O'SHAUGHNESSY ASSET MANAGEMENT, LLC	May 13, 2024	Sep 29, 2025	504	Firm change after gap	Other
RAYMOND JAMES & ASSOCIATES, INC.	RUSSELL INVESTMENTS	Nov 17, 2022	Apr 18, 2023	152	Firm change	Other
Captrust	RAYMOND JAMES & ASSOCIATES, INC.	Jun 17, 2019	Nov 5, 2019	141	Firm change	Other
BLACKROCK INVESTMENT MANAGEMENT, LLC	Captrust	Mar 22, 2019	Apr 18, 2019	27	Firm change	Other
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	BLACKROCK INVESTMENT MANAGEMENT, LLC	Jan 15, 2015	Dec 12, 2018	1,427	Firm change after gap	Other
BLACKROCK INVESTMENT MANAGEMENT, LLC	MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	Jul 31, 2009	Oct 15, 2013	1,537	Firm change after gap	Other
MERRILL LYNCH INVESTMENT MANAGERS LP	BLACKROCK INVESTMENT MANAGEMENT, LLC	Oct 2, 2006	Apr 19, 2007	199	Firm change	Other
T. ROWE PRICE ADVISORY SERVICES, INC.	MERRILL LYNCH INVESTMENT MANAGERS LP	May 4, 2006	May 30, 2006	26	Firm change	Other

Relationships

Registered with (8)

→ O'SHAUGHNESSY ASSET MANAGEMENT, LLCRegistered adviserregistration: current employment
Sep 29, 2025 to presentfactForm ADV
→ RUSSELL INVESTMENTSRegistered adviserregistration: previous registration
Apr 18, 2023 to May 13, 2024factForm ADV
→ RAYMOND JAMES & ASSOCIATES, INC.Registered adviserregistration: previous registration
Nov 5, 2019 to Nov 17, 2022factForm ADV
→ CAPTRUSTRegistered adviserregistration: previous registration
Apr 18, 2019 to Jun 17, 2019factForm ADV
→ BLACKROCK INVESTMENT MANAGEMENT, LLCRegistered adviserregistration: previous registration
Dec 12, 2018 to Mar 22, 2019factForm ADV
→ MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATEDRegistered adviserregistration: previous registration
Oct 15, 2013 to Jan 15, 2015factForm ADV
→ MERRILL LYNCH INVESTMENT MANAGERS LPRegistered adviserregistration: previous registration
May 30, 2006 to Oct 2, 2006factForm ADV
→ T. ROWE PRICE ADVISORY SERVICES, INC.Registered adviserregistration: previous registration
Jan 6, 2006 to May 4, 2006factForm ADV

Dated events

Occurred
May 13, 2024
Advisor changed firm
Mary Erwin left Russell Investments for O'Shaughnessy Asset Management, Llc (registered 2025-09-29)
Form ADVobserved 4 days ago
Occurred
Nov 17, 2022
Advisor changed firm
Mary Erwin left Raymond James & Associates, Inc. for Russell Investments (registered 2023-04-18)
Form ADVobserved 4 days ago