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RIA / WealthAdvisordual registered (broker-dealer)23 years in industry

ALAN ABRAHAM LINKER

Advisor at STIFEL, NICOLAUS & COMPANY, INCORPORATED

BOCA RATON, FL

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Search this name across graphsid dfx:ria:57298a0f-9abb-59c3-2889-da720cdf5152

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 19, 2026, 5:07 PM UTC and rebuilt at most every 15 minutes.

Relationships: 5
Dated events: 0
On other graphs: 0
Observed: Oct 15, 2002 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: STIFEL, NICOLAUS & COMPANY, INCORPORATED
Current firm class: national broker-dealer RIAderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Oct 11, 2002earliest registration or exam on IAPD
Years in industry: 23derivedfrom the industry start date
Years at current firm: 11derivedfrom the current registration's begin date
Prior firms: 4
Current registrations: 1
Registered states: 2
Exams: S66
First exam: Oct 11, 2002
First registration: Oct 15, 2002
Dual registered: yes, broker-dealer
IAPD individual key: 4474665

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
STIFEL, NICOLAUS & COMPANY, INCORPORATED	National bd RIA	Mar 13, 2015	n/a	yes	BOCA RATON, FL	Current employment
MORGAN STANLEY	Wirehouse	Jun 1, 2009	Mar 23, 2015	no	Boca Raton, FL\|MIAMI BEACH, FL	Previous registration
CITIGROUP GLOBAL MARKETS INC.	Bd affiliated wealth	May 22, 2008	Jun 1, 2009	no	BOCA RATON, FL	Previous registration
UBS FINANCIAL SERVICES INC.	Wirehouse	Aug 9, 2005	May 29, 2008	no	BOCA RATON, FL\|BOCA RATON, FL	Previous registration
MORGAN STANLEY DW INC.	n/a	Oct 15, 2002	Aug 9, 2005	no	BOCA RATON, 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
MORGAN STANLEY	STIFEL, NICOLAUS & COMPANY, INCORPORATED	Mar 23, 2015	Mar 13, 2015	-10	Firm change	Wirehouse to ibd
CITIGROUP GLOBAL MARKETS INC.	MORGAN STANLEY	Jun 1, 2009	Jun 1, 2009	0	Bulk transfer	Other
UBS FINANCIAL SERVICES INC.	CITIGROUP GLOBAL MARKETS INC.	May 29, 2008	May 22, 2008	-7	Firm change	Other
MORGAN STANLEY DW INC.	UBS FINANCIAL SERVICES INC.	Aug 9, 2005	Aug 9, 2005	0	Firm change	Other

Relationships

Registered with (5)

→ STIFEL, NICOLAUS & COMPANY, INCORPORATEDRegistered adviserregistration: current employment
Mar 13, 2015 to presentfactForm ADV
→ MORGAN STANLEYRegistered adviserregistration: previous registration
Jun 1, 2009 to Mar 23, 2015factForm ADV
→ CITIGROUP GLOBAL MARKETS INC.Registered adviserregistration: previous registration
May 22, 2008 to Jun 1, 2009factForm ADV
→ UBS FINANCIAL SERVICES INC.Registered adviserregistration: previous registration
Aug 9, 2005 to May 29, 2008factForm ADV
→ MORGAN STANLEY DW INC.Registered adviserregistration: previous registration
Oct 15, 2002 to Aug 9, 2005factForm ADV

Dated events

No dated event names this entity yet.