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RIA / WealthAdvisordual registered (broker-dealer)17 years in industry

David E Mathias

Advisor at XCELSIOR ADVISOR PARTNERS LLC

SCOTTSDALE, AZ

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Search this name across graphsid dfx:ria:bc2e7a5f-3437-714d-3b55-6cda8b2fb123

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 11:47 AM UTC and rebuilt at most every 15 minutes.

Relationships: 5
Dated events: 1
On other graphs: 0
Observed: Sep 10, 2009 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: XCELSIOR ADVISOR PARTNERS 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: Sep 8, 2009earliest registration or exam on IAPD
Years in industry: 17derivedfrom the industry start date
Years at current firm: 0derivedfrom the current registration's begin date
Prior firms: 4
Current registrations: 1
Registered states: 1
Exams: S66
First exam: Sep 8, 2009
First registration: Sep 10, 2009
Dual registered: yes, broker-dealer
Other names: DAVID ELLIOTT MATHIAS
IAPD individual key: 5394836

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
XCELSIOR ADVISOR PARTNERS LLC	Independent wealth	Apr 23, 2026	n/a	yes	SCOTTSDALE, AZ\|SCOTTSDALE, AZ	Current employment
ROBERT W. BAIRD & CO. INCORPORATED	Mixed wealth	Apr 7, 2014	Apr 28, 2026	no	SCOTTSDALE, AZ\|Scottsdale, AZ	Previous registration
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	Wirehouse	Dec 18, 2013	Apr 1, 2014	no	CHANDLER, AZ	Previous registration
FIRST HEARTLAND CONSULTANTS, INC.	Bd affiliated wealth	Oct 25, 2012	Sep 20, 2013	no	PHOENIX, AZ	Previous registration
LPL FINANCIAL LLC	Bd affiliated wealth	Sep 10, 2009	Oct 18, 2010	no	PHOENIX, AZ	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
ROBERT W. BAIRD & CO. INCORPORATED	XCELSIOR ADVISOR PARTNERS LLC	Apr 28, 2026	Apr 23, 2026	-5	Firm change	RIA to RIA
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	ROBERT W. BAIRD & CO. INCORPORATED	Apr 1, 2014	Apr 7, 2014	6	Firm change	Other
FIRST HEARTLAND CONSULTANTS, INC.	MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED	Sep 20, 2013	Dec 18, 2013	89	Firm change	Other
LPL FINANCIAL LLC	FIRST HEARTLAND CONSULTANTS, INC.	Oct 18, 2010	Oct 25, 2012	738	Firm change after gap	Other

Team moves

moves this advisor made together with colleagues (two or more registrations ending and beginning together)

Team	Left	Joined	From	Kind
8158:334779:AZ:2026-04-28	Apr 28, 2026	Apr 23, 2026	SCOTTSDALE, AZ	Firm change

Relationships

Registered with (5)

→ XCELSIOR ADVISOR PARTNERS LLCRegistered adviserregistration: current employment
Apr 23, 2026 to presentfactForm ADV
→ ROBERT W. BAIRD & CO. INCORPORATEDRegistered adviserregistration: previous registration
Apr 7, 2014 to Apr 28, 2026factForm ADV
→ MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATEDRegistered adviserregistration: previous registration
Dec 18, 2013 to Apr 1, 2014factForm ADV
→ FIRST HEARTLAND CONSULTANTS, INC.Registered adviserregistration: previous registration
Oct 25, 2012 to Sep 20, 2013factForm ADV
→ LPL FINANCIAL LLCRegistered adviserregistration: previous registration
Sep 10, 2009 to Oct 18, 2010factForm ADV

Dated events

Occurred
Apr 28, 2026
Advisor changed firm
David E Mathias left Robert W. Baird & Co. Incorporated for Xcelsior Advisor Partners Llc (registered 2026-04-23)
Form ADVobserved 6 days ago