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RIA / WealthAdvisordual registered (broker-dealer)10 years in industry

Brendan W OBrien

Advisor at MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

HUNT VALLEY, MD

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Search this name across graphsid dfx:ria:15dea0c8-bcf2-7215-9edf-3b358237042c

Data as of Sep 16, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 12:58 PM UTC and rebuilt at most every 15 minutes.

Relationships: 5
Dated events: 0
On other graphs: 0
Observed: Oct 30, 2015 to Sep 16, 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: MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
Current firm class: wirehousederived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Oct 30, 2015earliest registration or exam on IAPD
Years in industry: 10derivedfrom the industry start date
Years at current firm: 5derivedfrom the current registration's begin date
Prior firms: 4
Current registrations: 1
Registered states: 2
Exams: S63|S65
First exam: Oct 30, 2015
First registration: Oct 30, 2015
Dual registered: yes, broker-dealer
Other names: BRENDAN O'BRIEN|BRENDAN WILLIAM OBRIEN|BRENDAN WILLIAM O'BRIEN
IAPD individual key: 5540044

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
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	Wirehouse	Jun 2, 2021	n/a	yes	HUNT VALLEY, MD	Current employment
PRUCO SECURITIES, LLC	No RAUM reported	Sep 22, 2020	May 3, 2021	no	North Bethesda, MD\|Hunt Valley, MD	Previous registration
EAGLE STRATEGIES LLC	Bd affiliated wealth	Apr 14, 2020	Sep 22, 2020	no	TIMONIUM, MD	Previous registration
SUNCOAST GLOBAL FINANCIAL ADVISERS, LLC	n/a	Feb 23, 2017	Dec 13, 2019	no	Tampa, FL\|TAMPA, FL	Previous registration
CAPITOL SECURITIES MANAGEMENT, INC.	Independent wealth	Oct 30, 2015	Mar 21, 2016	no	RESTON, VA\|BALTIMORE, MD	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
PRUCO SECURITIES, LLC	MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	May 3, 2021	Jun 2, 2021	30	Firm change	Ibd to wirehouse
EAGLE STRATEGIES LLC	PRUCO SECURITIES, LLC	Sep 22, 2020	Sep 22, 2020	0	Firm change	Ibd to ibd
SUNCOAST GLOBAL FINANCIAL ADVISERS, LLC	EAGLE STRATEGIES LLC	Dec 13, 2019	Apr 14, 2020	123	Firm change	Other
CAPITOL SECURITIES MANAGEMENT, INC.	SUNCOAST GLOBAL FINANCIAL ADVISERS, LLC	Mar 21, 2016	Feb 23, 2017	339	Firm change	Other

Relationships

Registered with (5)

→ MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATEDRegistered adviserregistration: current employment
Jun 2, 2021 to presentfactForm ADV
→ PRUCO SECURITIES, LLCRegistered adviserregistration: previous registration
Sep 22, 2020 to May 3, 2021factForm ADV
→ EAGLE STRATEGIES LLCRegistered adviserregistration: previous registration
Apr 14, 2020 to Sep 22, 2020factForm ADV
→ SUNCOAST GLOBAL FINANCIAL ADVISERS, LLCRegistered adviserregistration: previous registration
Feb 23, 2017 to Dec 13, 2019factForm ADV
→ CAPITOL SECURITIES MANAGEMENT, INC.Registered adviserregistration: previous registration
Oct 30, 2015 to Mar 21, 2016factForm ADV

Dated events

No dated event names this entity yet.