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RIA / WealthAdvisordual registered (broker-dealer)25 years in industry

MARK JAMES DENNIS

Advisor at DIMENSIONAL FUND ADVISORS LP

AUSTIN, TX

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Search this name across graphsid dfx:ria:43ed2ccc-8e11-effb-8394-a3b53a333d9f

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 10:02 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: Aug 22, 2001 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: DIMENSIONAL FUND ADVISORS LP
Current firm class: asset managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Oct 24, 2000earliest registration or exam on IAPD
Years in industry: 25derivedfrom the industry start date
Years at current firm: 15derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 1
Exams: S63|S65
First exam: Oct 24, 2000
First registration: Aug 22, 2001
Dual registered: yes, broker-dealer
IAPD individual key: 4238686

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
DIMENSIONAL FUND ADVISORS LP	Asset manager	Jul 12, 2011	n/a	yes	AUSTIN, TX	Current employment
MORGAN STANLEY & CO. LLC	n/a	Jul 13, 2007	Dec 31, 2010	no	CHICAGO, IL\|NEW YORK, NY\|DALLAS, TX\|DALLAS, TX\|CHICAGO, IL	Previous registration
DWS INVESTMENT MANAGEMENT AMERICAS, INC.	Other adviser	Jul 17, 2003	Jun 15, 2005	no	CHICAGO, IL	Previous registration
MORGAN STANLEY DW INC.	n/a	Aug 22, 2001	May 19, 2003	no	CHICAGO, IL	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 & CO. LLC	DIMENSIONAL FUND ADVISORS LP	Dec 31, 2010	Jul 12, 2011	193	Firm change	Other
DWS INVESTMENT MANAGEMENT AMERICAS, INC.	MORGAN STANLEY & CO. LLC	Jun 15, 2005	Jul 13, 2007	758	Firm change after gap	Other
MORGAN STANLEY DW INC.	DWS INVESTMENT MANAGEMENT AMERICAS, INC.	May 19, 2003	Jul 17, 2003	59	Firm change	Other

Relationships

Registered with (4)

→ DIMENSIONAL FUND ADVISORS LPRegistered adviserregistration: current employment
Jul 12, 2011 to presentfactForm ADV
→ MORGAN STANLEY & CO. LLCRegistered adviserregistration: previous registration
Jul 13, 2007 to Dec 31, 2010factForm ADV
→ DWS INVESTMENT MANAGEMENT AMERICAS, INC.Registered adviserregistration: previous registration
Jul 17, 2003 to Jun 15, 2005factForm ADV
→ MORGAN STANLEY DW INC.Registered adviserregistration: previous registration
Aug 22, 2001 to May 19, 2003factForm ADV

Dated events

No dated event names this entity yet.