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RIA / WealthAdvisordual registered (broker-dealer)29 years in industry

MARK STEVEN FANTASIA

Advisor at CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.

Leominster, MA | Sarasota, FL | Boylston, MA

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Search this name across graphsid dfx:ria:004b1be2-3566-94a6-d3f4-45b2c9137f20

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 5:46 PM UTC and rebuilt at most every 15 minutes.

Relationships: 5
Dated events: 1
On other graphs: 0
Observed: Jul 16, 2004 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: CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.
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: Jul 30, 1997earliest registration or exam on IAPD
Years in industry: 29derivedfrom the industry start date
Years at current firm: 3derivedfrom the current registration's begin date
Prior firms: 4
Current registrations: 1
Registered states: 2
Exams: S65|S63
First exam: Jul 30, 1997
First registration: Jul 16, 2004
Dual registered: yes, broker-dealer
IAPD individual key: 2920917

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
CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	Bd affiliated wealth	Aug 1, 2023	n/a	yes	Sarasota, FL\|Leominster, MA\|Boylston, MA	Current employment
CUSO FINANCIAL SERVICES, L.P.	Former SEC adviser	Apr 20, 2006	Aug 1, 2023	no	CHELMSFORD, MA\|FITCHBURG, MA	Previous registration
CETERA INVESTMENT SERVICES LLC	Former SEC adviser	Oct 18, 2005	Apr 17, 2006	no	WORCESTER, MA	Previous registration
BANC OF AMERICA INVESTMENT SERVICES, INC.	n/a	Oct 20, 2004	Oct 25, 2005	no	WORCHESTER, MA	Previous registration
QUICK & REILLY, INC.	n/a	Jul 16, 2004	Oct 20, 2004	no	WORCESTER, MA	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
CUSO FINANCIAL SERVICES, L.P.	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	Aug 1, 2023	Aug 1, 2023	0	Firm change	Ibd to ibd
CETERA INVESTMENT SERVICES LLC	CUSO FINANCIAL SERVICES, L.P.	Apr 17, 2006	Apr 20, 2006	3	Firm change	Other
BANC OF AMERICA INVESTMENT SERVICES, INC.	CETERA INVESTMENT SERVICES LLC	Oct 25, 2005	Oct 18, 2005	-7	Firm change	Other
QUICK & REILLY, INC.	BANC OF AMERICA INVESTMENT SERVICES, INC.	Oct 20, 2004	Oct 20, 2004	0	Bulk transfer	Other

Relationships

Registered with (5)

→ CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.Registered adviserregistration: current employment
Aug 1, 2023 to presentfactForm ADV
→ CUSO FINANCIAL SERVICES, L.P.Registered adviserregistration: previous registration
Apr 20, 2006 to Aug 1, 2023factForm ADV
→ CETERA INVESTMENT SERVICES LLCRegistered adviserregistration: previous registration
Oct 18, 2005 to Apr 17, 2006factForm ADV
→ BANC OF AMERICA INVESTMENT SERVICES, INC.Registered adviserregistration: previous registration
Oct 20, 2004 to Oct 25, 2005factForm ADV
→ QUICK & REILLY, INC.Registered adviserregistration: previous registration
Jul 16, 2004 to Oct 20, 2004factForm ADV

Dated events

Occurred
Aug 1, 2023
Advisor changed firm
Mark Steven Fantasia left Cuso Financial Services, L.P. for Cambridge Investment Research Advisors, Inc. (registered 2023-08-01)
Form ADVobserved 6 days ago