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RIA / WealthAdvisordual registered (broker-dealer)13 years in industry

MARK ARENAS

Advisor at STRATEGIC ADVISERS LLC

NEW YORK, NY | JERSEY CITY, NJ

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Search this name across graphsid dfx:ria:5566299d-6d64-4eaf-d624-238f052634fa

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 8:52 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 0
On other graphs: 0
Observed: Sep 10, 2018 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: STRATEGIC ADVISERS LLC
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: Aug 1, 2013earliest registration or exam on IAPD
Years in industry: 13derivedfrom the industry start date
Years at current firm: 1derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 3
Exams: S66
First exam: Sep 7, 2018
First registration: Sep 10, 2018
Dual registered: yes, broker-dealer
Other names: MARK CHRISTOPHER ARENAS|Mark Arenas
IAPD individual key: 6980781

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
STRATEGIC ADVISERS LLC	National bd RIA	Mar 31, 2025	n/a	yes	JERSEY CITY, NJ\|NEW YORK, NY	Current employment
FIDELITY PERSONAL AND WORKPLACE ADVISORS	Former SEC adviser	Jun 16, 2022	Mar 31, 2025	no	NEW YORK, NY	Previous registration
TD AMERITRADE INVESTMENT MANAGEMENT, LLC	Former SEC adviser	Sep 10, 2018	Mar 16, 2021	no	Columbia, MD\|Paramus, NJ	Previous registration
TD AMERITRADE, INC.	Former SEC adviser	Sep 10, 2018	Mar 16, 2021	no	Columbia, MD\|Paramus, NJ	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
FIDELITY PERSONAL AND WORKPLACE ADVISORS	STRATEGIC ADVISERS LLC	Mar 31, 2025	Mar 31, 2025	0	Bulk transfer	Ibd to ibd
TD AMERITRADE INVESTMENT MANAGEMENT, LLC	TD AMERITRADE, INC.	Mar 16, 2021	Sep 10, 2018	-918	Firm change after gap	Other
TD AMERITRADE, INC.	TD AMERITRADE INVESTMENT MANAGEMENT, LLC	Mar 16, 2021	Sep 10, 2018	-918	Channel change	Other

Relationships

Registered with (4)

→ STRATEGIC ADVISERS LLCRegistered adviserregistration: current employment
Mar 31, 2025 to presentfactForm ADV
→ FIDELITY PERSONAL AND WORKPLACE ADVISORSRegistered adviserregistration: previous registration
Jun 16, 2022 to Mar 31, 2025factForm ADV
→ TD AMERITRADE INVESTMENT MANAGEMENT, LLCRegistered adviserregistration: previous registration
Sep 10, 2018 to Mar 16, 2021factForm ADV
→ TD AMERITRADE, INC.Registered adviserregistration: previous registration
Sep 10, 2018 to Mar 16, 2021factForm ADV

Dated events

No dated event names this entity yet.