DFX Intelligence

Data Factory

RIA / WealthAdvisordual registered (broker-dealer)26 years in industry

STEVEN LOUIS ZIMMERMANN

Advisor at STIFEL, NICOLAUS & COMPANY, INCORPORATED

Cumberland, WI | WEST BEND, WI

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:9f9e6149-e4f7-7503-8573-59810b4070de

Data as of Sep 15, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 12:46 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: Feb 28, 2002 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: STIFEL, NICOLAUS & COMPANY, INCORPORATED
Current firm class: national broker-dealer RIAderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Apr 19, 2000earliest registration or exam on IAPD
Years in industry: 26derivedfrom the industry start date
Years at current firm: 8derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 2
Exams: S65|S63
First exam: Apr 19, 2000
First registration: Feb 28, 2002
Dual registered: yes, broker-dealer
IAPD individual key: 2027289

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
STIFEL, NICOLAUS & COMPANY, INCORPORATED	National bd RIA	Mar 16, 2018	n/a	yes	Cumberland, WI\|WEST BEND, WI	Current employment
B. C. ZIEGLER AND COMPANY	Former SEC adviser	Jun 26, 2009	Mar 16, 2018	no	WEST BEND, WI\|CHICAGO, IL	Previous registration
ALLSPRING FUNDS MANAGEMENT, LLC	Asset manager	Jan 1, 2005	Jul 20, 2009	no	MENOMONEE FALLS, WI	Previous registration
STRONG CAPITAL MANAGEMENT INC	n/a	Feb 28, 2002	Jan 1, 2005	no	MENOMONEE FALLS, WI	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
B. C. ZIEGLER AND COMPANY	STIFEL, NICOLAUS & COMPANY, INCORPORATED	Mar 16, 2018	Mar 16, 2018	0	Bulk transfer	Other
ALLSPRING FUNDS MANAGEMENT, LLC	B. C. ZIEGLER AND COMPANY	Jul 20, 2009	Jun 26, 2009	-24	Firm change	Other
STRONG CAPITAL MANAGEMENT INC	ALLSPRING FUNDS MANAGEMENT, LLC	Jan 1, 2005	Jan 1, 2005	0	Bulk transfer	Other

Relationships

Registered with (4)

→ STIFEL, NICOLAUS & COMPANY, INCORPORATEDRegistered adviserregistration: current employment
Mar 16, 2018 to presentfactForm ADV
→ B. C. ZIEGLER AND COMPANYRegistered adviserregistration: previous registration
Jun 26, 2009 to Mar 16, 2018factForm ADV
→ ALLSPRING FUNDS MANAGEMENT, LLCRegistered adviserregistration: previous registration
Jan 1, 2005 to Jul 20, 2009factForm ADV
→ STRONG CAPITAL MANAGEMENT INCRegistered adviserregistration: previous registration
Feb 28, 2002 to Jan 1, 2005factForm ADV

Dated events

No dated event names this entity yet.