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RIA / WealthAdvisorCertified Financial Plannerdual registered (broker-dealer)32 years in industry

JONATHAN ARNTZ

Advisor at SEIA

LOS ANGELES, CA | Harper Woods, MI

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Search this name across graphsid dfx:ria:6f69c667-1682-24c2-aac6-d4d7a1f4b7bc

Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 10:04 AM UTC and rebuilt at most every 15 minutes.

Relationships: 6
Dated events: 2
On other graphs: 0
Observed: Mar 12, 2001 to Sep 15, 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: SEIA
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: Jan 14, 1994earliest registration or exam on IAPD
Years in industry: 32derivedfrom the industry start date
Years at current firm: 2derivedfrom the current registration's begin date
Prior firms: 5
Current registrations: 1
Registered states: 2
Designations: Certified Financial Planner
Exams: S63|S65
First exam: Jan 14, 1994
First registration: Mar 12, 2001
Dual registered: yes, broker-dealer
Other names: JONATHAN DOUGLAS ARNTZ
IAPD individual key: 2162201

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
Seia	Bd affiliated wealth	Jun 24, 2024	n/a	yes	LOS ANGELES, CA\|Harper Woods, MI	Current employment
CADARET GRANT & CO INC	Former SEC adviser	Apr 7, 2021	Jun 17, 2024	no	Cleveland, OH\|Syracuse, NY\|Commerce Twp., MI\|Cleveland, OH\|Syracuse, NY\|Harper Woods, MI\|SYRACUSE, NY	Previous registration
CEDAR BROOK GROUP	Former SEC adviser	Mar 5, 2018	Jul 1, 2024	no	WEST BLOOMFIELD, MI\|COMMERCE TWP, MI	Previous registration
SECURITIES AMERICA ADVISORS, INC.	Former SEC adviser	Dec 8, 2011	Apr 13, 2021	no	WEST BLOOMFIELD, MI	Previous registration
THE PROFESSIONAL ADVISOR GROUP, LLC	n/a	Feb 5, 2010	May 24, 2012	no	WEST BLOOMFIELD, MI	Previous registration
FSC SECURITIES CORPORATION	Former SEC adviser	Mar 12, 2001	Nov 12, 2002	no	FARMINGTON HILLS , MI	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
CEDAR BROOK GROUP	CADARET GRANT & CO INC	Jul 1, 2024	Apr 7, 2021	-1,181	Firm change after gap	RIA to ibd
CADARET GRANT & CO INC	Seia	Jun 17, 2024	Jun 24, 2024	7	Firm change	Ibd to ibd
SECURITIES AMERICA ADVISORS, INC.	CEDAR BROOK GROUP	Apr 13, 2021	Mar 5, 2018	-1,135	Firm change after gap	Other
THE PROFESSIONAL ADVISOR GROUP, LLC	SECURITIES AMERICA ADVISORS, INC.	May 24, 2012	Dec 8, 2011	-168	Firm change after gap	Other
FSC SECURITIES CORPORATION	THE PROFESSIONAL ADVISOR GROUP, LLC	Nov 12, 2002	Feb 5, 2010	2,642	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
10641:108163:NY:2024-06-17	Jun 17, 2024	Jun 24, 2024	SYRACUSE, NY	Firm change

Relationships

Registered with (6)

→ SEIARegistered adviserregistration: current employment
Jun 24, 2024 to presentfactForm ADV
→ CEDAR BROOK GROUPRegistered adviserregistration: previous registration
Mar 5, 2018 to Jul 1, 2024factForm ADV
→ CADARET GRANT & CO INCRegistered adviserregistration: previous registration
Apr 7, 2021 to Jun 17, 2024factForm ADV
→ SECURITIES AMERICA ADVISORS, INC.Registered adviserregistration: previous registration
Dec 8, 2011 to Apr 13, 2021factForm ADV
→ THE PROFESSIONAL ADVISOR GROUP, LLCRegistered adviserregistration: previous registration
Feb 5, 2010 to May 24, 2012factForm ADV
→ FSC SECURITIES CORPORATIONRegistered adviserregistration: previous registration
Mar 12, 2001 to Nov 12, 2002factForm ADV

Dated events

Occurred
Jul 1, 2024
Advisor changed firm
Jonathan Arntz left Cedar Brook Group for Cadaret Grant & Co Inc (registered 2021-04-07)
Form ADVobserved 6 days ago
Occurred
Jun 17, 2024
Advisor changed firm
Jonathan Arntz left Cadaret Grant & Co Inc for Seia (registered 2024-06-24)
Form ADVobserved 6 days ago