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RIA / WealthAdvisor25 years in industry

Jon A DuPrau

Advisor at QUANTUM PORTFOLIO MANAGEMENT, LLC

NEW YORK, NY

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Search this name across graphsid dfx:ria:77efc5d1-fce2-867a-35b2-d187c05a6971

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 6:35 PM UTC and rebuilt at most every 15 minutes.

Relationships: 7
Dated events: 2
On other graphs: 0
Observed: Oct 18, 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: QUANTUM PORTFOLIO MANAGEMENT, LLC
Current firm class: mixed wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: May 10, 2001earliest registration or exam on IAPD
Years in industry: 25derivedfrom the industry start date
Years at current firm: 3derivedfrom the current registration's begin date
Prior firms: 5
Current registrations: 2
Registered states: 2
Exams: S63|S65
First exam: May 10, 2001
First registration: Oct 18, 2001
Dual registered: no
Other names: JON ANTHONY DUPRAU
IAPD individual key: 4349379

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
INDEX TECHNOLOGIES GROUP LLC	Other adviser	May 21, 2024	n/a	yes	NEW YORK, NY	Current employment
QUANTUM PORTFOLIO MANAGEMENT, LLC	Mixed wealth	May 22, 2023	n/a	yes	NEW YORK, NY	Current employment
ASHTON THOMAS SECURITIES, LLC	Independent wealth	May 21, 2024	Jun 25, 2025	no	New York, NY\|ROCHESTER, NY	Previous registration
RAYMOND JAMES & ASSOCIATES, INC.	National bd RIA	Apr 13, 2018	Jun 21, 2023	no	Los Angeles, CA\|New York, NY	Previous registration
J.P. MORGAN SECURITIES LLC	Wirehouse	May 12, 2011	Apr 17, 2018	no	SANTA BARBARA, CA\|Los Angeles, CA	Previous registration
WELLS FARGO ADVISORS	Wirehouse	Jul 1, 2003	May 13, 2011	no	SANTA BARBARA, CA\|SAN LUIS OBISPO, CA\|SANTA BARBARA, CA\|SANTA BARBARA, CA	Previous registration
PRUDENTIAL EQUITY GROUP, LLC	n/a	Oct 18, 2001	Jul 1, 2003	no	SANTA BARBARA, CA	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
ASHTON THOMAS SECURITIES, LLC	INDEX TECHNOLOGIES GROUP LLC	Jun 25, 2025	May 21, 2024	-400	Firm change after gap	RIA to RIA
RAYMOND JAMES & ASSOCIATES, INC.	QUANTUM PORTFOLIO MANAGEMENT, LLC	Jun 21, 2023	May 22, 2023	-30	Firm change	Ibd to new firm
J.P. MORGAN SECURITIES LLC	RAYMOND JAMES & ASSOCIATES, INC.	Apr 17, 2018	Apr 13, 2018	-4	Firm change	Wirehouse to ibd
WELLS FARGO ADVISORS	J.P. MORGAN SECURITIES LLC	May 13, 2011	May 12, 2011	-1	Firm change	Wirehouse to wirehouse
PRUDENTIAL EQUITY GROUP, LLC	WELLS FARGO ADVISORS	Jul 1, 2003	Jul 1, 2003	0	Bulk transfer	Other

Team moves

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

Team	Left	Joined	From	Kind
705:326280:NY:2023-06-21	Jun 21, 2023	May 22, 2023	NEW YORK, NY	Firm change
79:705:CA:2018-04-17	Apr 17, 2018	Apr 13, 2018	LOS ANGELES, CA	Firm change

Relationships

Registered with (7)

→ INDEX TECHNOLOGIES GROUP LLCRegistered adviserregistration: current employment
May 21, 2024 to presentfactForm ADV
→ QUANTUM PORTFOLIO MANAGEMENT, LLCRegistered adviserregistration: current employment
May 22, 2023 to presentfactForm ADV
→ ASHTON THOMAS SECURITIES, LLCRegistered adviserregistration: previous registration
May 21, 2024 to Jun 25, 2025factForm ADV
→ RAYMOND JAMES & ASSOCIATES, INC.Registered adviserregistration: previous registration
Apr 13, 2018 to Jun 21, 2023factForm ADV
→ J.P. MORGAN SECURITIES LLCRegistered adviserregistration: previous registration
May 12, 2011 to Apr 17, 2018factForm ADV
→ WELLS FARGO ADVISORSRegistered adviserregistration: previous registration
Jul 1, 2003 to May 13, 2011factForm ADV
→ PRUDENTIAL EQUITY GROUP, LLCRegistered adviserregistration: previous registration
Oct 18, 2001 to Jul 1, 2003factForm ADV

Dated events

Occurred
Jun 25, 2025
Advisor changed firm
Jon A Duprau left Ashton Thomas Securities, Llc for Index Technologies Group Llc (registered 2024-05-21)
Form ADVobserved 6 days ago
Occurred
Jun 21, 2023
Advisor changed firm
Jon A Duprau left Raymond James & Associates, Inc. for Quantum Portfolio Management, Llc (registered 2023-05-22)
Form ADVobserved 6 days ago