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RIA / WealthRegistered advisermixed wealth managerSEC registeredRAUM 100m 1b

CORNERSTONE SELECT ADVISORS, LLC

CRD 144044

ST. LOUIS, MO

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:830dbbda-5c51-0774-d75e-30ef0fe93dd9

Data as of Apr 2, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 12:37 AM UTC and rebuilt at most every 15 minutes.

Relationships: 9
Dated events: 1
On other graphs: 0
Observed: May 21, 2018 to Apr 2, 2026
31 observations

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

Firm class: mixed wealth managerderivedprivate_client_share=0.43 fund_share=0.57 institutional_share=0.0 related_bd=false related_bank=false bd_reps=0.0
Regulatory AUM: $315MItem 5.F on the latest filing (2026-04-02); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $209M
Private client RAUM: $134MderivedItem 5.D individuals plus high net worth individuals
Private client share: 43%derivedprivate client RAUM over total RAUM
Advisors on IAPD: 3
RAUM per advisor: $105Mderivedthe firm's RAUM over its IAPD headcount: a firm average, never a person's book
Employees: 4
Advisory employees: 4
Offices: 2Schedule D 1.F, beyond the principal office
Accounts: 790
Individual clients: 164
High net worth clients: 40
Custody, client assets: $14.8M
SEC number: 801-113472
CRD: 144044
Filings on the tape: 31
First filed: May 21, 2018
Latest filed: Apr 2, 2026
Organised: Limited Liability Company, MO
Website: csastl.com

Advisors on IAPD

current investment adviser representatives on the IAPD individual feed, longest tenure first

Advisor	Designations	Branch	Years here	In industry	Prior firms	Dual registered
DOYLE EDWIN GUSTUS	n/a	ST. LOUIS, MO	19	34	4	no
BYRON WADE GUSTUS	n/a	ST. LOUIS, MO	4	16	n/a	no
ALAN KENT SUITER	n/a	ST. LOUIS, MO \| SPRINGFIELD, MO	0	42	4	no

Owners and control persons

Schedule A and B as filed; ownership codes are the form's bands (NA under 5%, A 5 to 10%, B 10 to 25%, C 25 to 50%, D 50 to 75%, E over 75%); people are listed as filed and never merged by name

Owner	Title	Ownership code	Control person	Acquired	First seen	Last seen
GUSTUS, DOYLE, EDWIN	MANAGING MEMBER	E	yes	10/2009	May 21, 2018	Mar 7, 2024
GUSTUS, BYRON, WADE	CHIEF FINANCIAL OFFICER	Na	no	02/2022	Sep 6, 2022	Mar 7, 2024
SADZEWICZ, GERY, JOSEPH	Cco	Na	no	10/2009	May 21, 2018	Mar 7, 2024

Regulatory AUM by fiscal year

annual amendments (and the roster's annual snapshot) as filed; where a year was amended twice the later filing draws the line; showing 8 of 11

Fiscal year	Filed	RAUM	Discretionary	Employees	Advisory staff	Offices	Private funds	Fund GAV
2025	Apr 2, 2026	$315M	$209M	4	4	2	n/a	n/a
2024	Feb 27, 2025	$234M	$143M	2	2	0	n/a	n/a
2023	Mar 7, 2024	$211M	$211M	2	2	0	n/a	n/a
2022	Mar 13, 2023	$182M	$182M	2	2	0	n/a	n/a
2021	Feb 23, 2022	$194M	$194M	3	2	0	n/a	n/a
2020	Mar 9, 2021	$179M	$179M	3	1	0	n/a	n/a
2019	Mar 13, 2020	$155M	$155M	3	1	0	n/a	n/a
2018	Mar 21, 2019	$126M	$126M	1	0	0	n/a	n/a

Advisor flows

derived: registrations beginning and ending at this CRD on IAPD, bulk corporate re-registrations excluded; the rate is departures over IAPD headcount

Joined, 12m	Left, 12m	Net, 12m	Departure rate, 12m	Joined, 90d	Left, 90d	Left, no destination yet	Joined, 36m	Left, 36m
1	0	1	0.0%	0	0	0	1	0

Growth

derived from consecutive annual filings; RAUM as reported

Latest fiscal year	RAUM	A year earlier	1y change	Three years earlier	3y CAGR	Employees	A year earlier	Offices	A year earlier
2025	$315M	$234M	34.7%	$182M	20.2%	4	2	2	0

Relationships

Registered with (5)

← ALAN KENT SUITERAdvisorregistration: current employment
Jan 2, 2026 to presentfactForm ADV
← BYRON WADE GUSTUSAdvisorregistration: current employment
Feb 11, 2022 to presentfactForm ADV
← DOYLE EDWIN GUSTUSAdvisorregistration: previous registration
Jul 13, 2007 to Jan 22, 2010factForm ADV
← MARK STEPHEN THOMPSONAdvisorregistration: previous registration
Jun 8, 2007 to Oct 29, 2009factForm ADV
← RYAN CHRISTOPHER KLUMPAdvisorregistration: previous registration
Jun 8, 2007 to Jan 29, 2008factForm ADV

Owns (2)

← SADZEWICZ, GERY, JOSEPHOwnerCCO, ownership code NA, individual
May 21, 2018 to Mar 7, 2024factForm ADV
← GUSTUS, BYRON, WADEOwnerCHIEF FINANCIAL OFFICER, ownership code NA, individual
Sep 6, 2022 to Mar 7, 2024factForm ADV

Controls (1)

← GUSTUS, DOYLE, EDWINOwnerMANAGING MEMBER, ownership code E, individual
May 21, 2018 to Mar 7, 2024factForm ADV

Dated events

Occurred
May 21, 2018
First Form ADV filing
Cornerstone Select Advisors, Llc filed its initial SEC registration (Form ADV)
Form ADVobserved 4 days ago

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:830dbbda-5c51-0774-d75e-30ef0fe93dd9
First observed: May 21, 2018
Last observed: Apr 2, 2026 5 months ago
Source families: Federal regulator filings
3 registered feeds stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.

CORNERSTONE SELECT ADVISORS, LLC

CRD 144044

ST. LOUIS, MO

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:830dbbda-5c51-0774-d75e-30ef0fe93dd9

Data as of Apr 2, 2026 (this record's last observation) from federal regulator filings. Page built Sep 20, 2026, 12:37 AM UTC and rebuilt at most every 15 minutes.

Advisor

Designations

Branch

Years here

In industry

Prior firms

Dual registered

DOYLE EDWIN GUSTUS

n/a

ST. LOUIS, MO

BYRON WADE GUSTUS

n/a

ST. LOUIS, MO

n/a

ALAN KENT SUITER

n/a

ST. LOUIS, MO | SPRINGFIELD, MO

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

GUSTUS, DOYLE, EDWIN

MANAGING MEMBER

yes

10/2009

May 21, 2018

Mar 7, 2024

GUSTUS, BYRON, WADE

CHIEF FINANCIAL OFFICER

02/2022

Sep 6, 2022

Mar 7, 2024

SADZEWICZ, GERY, JOSEPH

Cco

10/2009

May 21, 2018

Mar 7, 2024

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2025

Apr 2, 2026

$315M

$209M

n/a

2024

Feb 27, 2025

$234M

$143M

n/a

2023

Mar 7, 2024

$211M

n/a

2022

Mar 13, 2023

$182M

n/a

2021

Feb 23, 2022

$194M

n/a

2020

Mar 9, 2021

$179M

n/a

2019

Mar 13, 2020

$155M

n/a

2018

Mar 21, 2019

$126M

n/a

Joined, 12m

Left, 12m

Net, 12m

Departure rate, 12m

Joined, 90d

Left, 90d

Left, no destination yet

Joined, 36m

Left, 36m

0.0%

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2025

$315M

$234M

34.7%

$182M

20.2%