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RIA / WealthAdvisor25 years in industry

FRANK B GRINNELL

Advisor at GRINNELL CAPITAL, LLC

PARK CITY, UT

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Search this name across graphsid dfx:ria:0532eaca-cc74-5807-6e0b-8973b350a7b0

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 5:31 AM UTC and rebuilt at most every 15 minutes.

Relationships: 6
Dated events: 0
On other graphs: 0
Observed: Jan 3, 2003 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: GRINNELL CAPITAL, LLC
Current firm class: former SEC adviserderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Oct 12, 2000earliest registration or exam on IAPD
Years in industry: 25derivedfrom the industry start date
Years at current firm: 5derivedfrom the current registration's begin date
Prior firms: 5
Current registrations: 1
Registered states: 5
Exams: S66|S63|S65
First exam: Oct 12, 2000
First registration: Jan 3, 2003
Dual registered: no
IAPD individual key: 4246539

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
GRINNELL CAPITAL, LLC	Former SEC adviser	Mar 26, 2021	n/a	yes	PARK CITY, UT	Current employment
MML INVESTORS SERVICES, LLC	Bd affiliated wealth	Mar 23, 2018	Jan 13, 2020	no	GREENWOOD VILLAGE, CO	Previous registration
RBC CAPITAL MARKETS, LLC	National bd RIA	Mar 13, 2015	Oct 4, 2017	no	EAGLE, ID\|DENVER, CO	Previous registration
TENZING CAPITAL, LLC	n/a	Apr 18, 2011	Apr 17, 2015	no	BOISE, ID\|BOISE, ID	Previous registration
MORGAN STANLEY	Wirehouse	Jun 1, 2009	Nov 29, 2010	no	BOISE, ID	Previous registration
CITIGROUP GLOBAL MARKETS INC.	Bd affiliated wealth	Jan 3, 2003	Jun 1, 2009	no	SAN FRANCISCO, CA\|SAN FRANCISCO, CA\|BOISE, ID	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
MML INVESTORS SERVICES, LLC	GRINNELL CAPITAL, LLC	Jan 13, 2020	Mar 26, 2021	438	Firm change after gap	Ibd to new firm
RBC CAPITAL MARKETS, LLC	MML INVESTORS SERVICES, LLC	Oct 4, 2017	Mar 23, 2018	170	Firm change	Other
TENZING CAPITAL, LLC	RBC CAPITAL MARKETS, LLC	Apr 17, 2015	Mar 13, 2015	-35	Firm change after gap	Other
MORGAN STANLEY	TENZING CAPITAL, LLC	Nov 29, 2010	Apr 18, 2011	140	Firm change	Other
CITIGROUP GLOBAL MARKETS INC.	MORGAN STANLEY	Jun 1, 2009	Jun 1, 2009	0	Bulk transfer	Other

Relationships

Registered with (6)

→ GRINNELL CAPITAL, LLCRegistered adviserregistration: current employment
Mar 26, 2021 to presentfactForm ADV
→ MML INVESTORS SERVICES, LLCRegistered adviserregistration: previous registration
Mar 23, 2018 to Jan 13, 2020factForm ADV
→ RBC CAPITAL MARKETS, LLCRegistered adviserregistration: previous registration
Mar 13, 2015 to Oct 4, 2017factForm ADV
→ TENZING CAPITAL, LLCRegistered adviserregistration: previous registration
Apr 18, 2011 to Apr 17, 2015factForm ADV
→ MORGAN STANLEYRegistered adviserregistration: previous registration
Jun 1, 2009 to Nov 29, 2010factForm ADV
→ CITIGROUP GLOBAL MARKETS INC.Registered adviserregistration: previous registration
Jan 3, 2003 to Jun 1, 2009factForm ADV

Dated events

No dated event names this entity yet.