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RIA / WealthAdvisorChartered Financial Analystdual registered (broker-dealer)26 years in industry

MARK DAVID WHEELER

Advisor at WILLIAM BLAIR & COMPANY L.L.C.

CHICAGO, IL | ORLAND PARK, IL

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Search this name across graphsid dfx:ria:04976381-c5d0-8f0a-98e9-beefe5252e22

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 12:30 PM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: Jun 19, 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: WILLIAM BLAIR & COMPANY L.L.C.
Current firm class: broker-dealer affiliated wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Oct 20, 1999earliest registration or exam on IAPD
Years in industry: 26derivedfrom the industry start date
Years at current firm: 16derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 1
Designations: Chartered Financial Analyst
Exams: S63|S65
First exam: Oct 20, 1999
First registration: Jun 19, 2002
Dual registered: yes, broker-dealer
IAPD individual key: 4008421

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
WILLIAM BLAIR & COMPANY L.L.C.	Bd affiliated wealth	Oct 21, 2009	n/a	yes	CHICAGO, IL\|CHICAGO, IL\|CHICAGO, IL\|ORLAND PARK, IL	Current employment
J.P. MORGAN SECURITIES LLC	Wirehouse	Oct 1, 2008	Jun 11, 2009	no	CHICAGO, IL	Previous registration
J.P. MORGAN SECURITIES INC.	n/a	Sep 27, 2006	Oct 1, 2008	no	CHICAGO, IL\|CHICAGO, IL	Previous registration
BANC ONE SECURITIES CORPORATION	n/a	Jun 19, 2002	Sep 27, 2006	no	CHICAGO, IL\|CHICAGO, IL\|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
J.P. MORGAN SECURITIES LLC	WILLIAM BLAIR & COMPANY L.L.C.	Jun 11, 2009	Oct 21, 2009	132	Firm change	Other
J.P. MORGAN SECURITIES INC.	J.P. MORGAN SECURITIES LLC	Oct 1, 2008	Oct 1, 2008	0	Bulk transfer	Other
BANC ONE SECURITIES CORPORATION	J.P. MORGAN SECURITIES INC.	Sep 27, 2006	Sep 27, 2006	0	Bulk transfer	Other

Relationships

Registered with (4)

→ WILLIAM BLAIR & COMPANY L.L.C.Registered adviserregistration: current employment
Oct 21, 2009 to presentfactForm ADV
→ J.P. MORGAN SECURITIES LLCRegistered adviserregistration: previous registration
Oct 1, 2008 to Jun 11, 2009factForm ADV
→ J.P. MORGAN SECURITIES INC.Registered adviserregistration: previous registration
Sep 27, 2006 to Oct 1, 2008factForm ADV
→ BANC ONE SECURITIES CORPORATIONRegistered adviserregistration: previous registration
Jun 19, 2002 to Sep 27, 2006factForm ADV

Dated events

No dated event names this entity yet.