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RIA / WealthAdvisor25 years in industry

Trenton James Grens

Advisor at BROOKSTONE CAPITAL MANAGEMENT LLC

WHEATON, IL

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:4bbcfbdc-7d9e-1dd3-6fb4-e5e699971ef4

Data as of Sep 14, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 9:14 AM UTC and rebuilt at most every 15 minutes.

Relationships: 4
Dated events: 1
On other graphs: 0
Observed: Oct 30, 2000 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: BROOKSTONE CAPITAL MANAGEMENT LLC
Current firm class: independent wealth managerderived
Book size: not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none
Industry start: Oct 30, 2000earliest registration or exam on IAPD
Years in industry: 25derivedfrom the industry start date
Years at current firm: 0derivedfrom the current registration's begin date
Prior firms: 3
Current registrations: 1
Registered states: 1
Exams: S65|S63
First exam: Jul 3, 2014
First registration: Oct 30, 2000
Dual registered: no
Other names: TRENT J GRENS|TRENT GRENS
IAPD individual key: 2460818

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
BROOKSTONE CAPITAL MANAGEMENT LLC	Independent wealth	Apr 7, 2026	n/a	yes	WHEATON, IL	Current employment
ASSETMARK, INC.	Bd affiliated wealth	Jun 21, 2022	Sep 25, 2024	no	Chicago, IL\|CONCORD, CA	Previous registration
ASTOR INVESTMENT MANAGEMENT LLC	Former SEC adviser	Oct 13, 2015	Feb 16, 2021	no	CHICAGO, IL	Previous registration
BANC ONE SECURITIES CORPORATION	n/a	Oct 30, 2000	Mar 9, 2005	no	EVANSTON, IL	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
ASSETMARK, INC.	BROOKSTONE CAPITAL MANAGEMENT LLC	Sep 25, 2024	Apr 7, 2026	559	Firm change after gap	Ibd to RIA
ASTOR INVESTMENT MANAGEMENT LLC	ASSETMARK, INC.	Feb 16, 2021	Jun 21, 2022	490	Firm change after gap	RIA to ibd
BANC ONE SECURITIES CORPORATION	ASTOR INVESTMENT MANAGEMENT LLC	Mar 9, 2005	Oct 13, 2015	3,870	Firm change after gap	Other

Relationships

Registered with (4)

→ BROOKSTONE CAPITAL MANAGEMENT LLCRegistered adviserregistration: current employment
Apr 7, 2026 to presentfactForm ADV
→ ASSETMARK, INC.Registered adviserregistration: previous registration
Jun 21, 2022 to Sep 25, 2024factForm ADV
→ ASTOR INVESTMENT MANAGEMENT LLCRegistered adviserregistration: previous registration
Oct 13, 2015 to Feb 16, 2021factForm ADV
→ BANC ONE SECURITIES CORPORATIONRegistered adviserregistration: previous registration
Oct 30, 2000 to Mar 9, 2005factForm ADV

Dated events

Occurred
Sep 25, 2024
Advisor changed firm
Trenton James Grens left Assetmark, Inc. for Brookstone Capital Management Llc (registered 2026-04-07)
Form ADVobserved 5 days ago