DFX Intelligence

RIA Intelligence

Registered investment advisers, the advisors registered through them, the capital they report, the private vehicles they run and the people who own them, as a graph with a filing date behind every number. RAUM is what the adviser filed, a move is two registration dates, and a class is a rule you can read.

SEC-registered adviser

Mariner

Independent wealth managerOverland Park,, KansasCRD 151664SEC 801-71691websiteIAPD
Legal name Mariner Managed Account Solutions, LLC
Latest filing Aug 5, 2026
First filing on the tape Mar 30, 2012 · 51 filings
SEC status approved since Jul 28, 2010
RAUM
$2.8B
reported, Item 5.F
Discretionary
99%
of RAUM
Private clients
100%
$2.8B individuals and HNW
Advisors
6
registered through the firm on IAPD
RAUM per advisor
$462M
derived; firm RAUM over IAPD count
Employees
13
7 advisory (5.B.1)
Offices
2
beyond the principal office
Private funds
0
reported on Schedule D
History
51 filings and snapshots on the tape
RAUM$2.8B as of Aug 5, 2026
Mar 30, 2012$212M then
HNW client RAUM$424M as of Aug 5, 2026
Jan 25, 2018$281M then
State-registered IARs (5.B.3)7 as of Aug 5, 2026
Mar 13, 2013135 then
Employees (5.A)13 as of Aug 5, 2026
Mar 13, 2013135 then
Private funds: no history
RAUM n/a over the last fiscal year+23% a year over three
Practice profile
derived from the filing of Aug 5, 2026; every figure names its basis
Archetypes, each a printed rule
  • Mass-affluent RIA · private-client share at least 50 percent, non-HNW individuals at least 60 percent of private-client RAUM
  • Wrap program sponsor · sponsors a wrap fee program (5.I) with at least $100M of wrap assets
RAUM per advisor
$462MderivedRAUM over IAPD advisors; not a book size
Clients per advisor
590derivedindividual and HNW clients (5.D) over advisors
Average HNW client
$9.2MderivedHNW RAUM over HNW clients
Average account
$450,647derivedRAUM over accounts (5.F.2.f)
Discretionary
99%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
2.2derivedItem 5.A over advisors
Advisors per office
2.0derived3 offices incl. principal (1.F.5)
RAUM growth, one year
unknownderivedbetween the last two annual amendments
Advisor growth, one year
unknownderivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
percentage of assetsreportedItem 5.E
Advisory activities
portfolio management for individuals, portfolio management for businesses and institutionsreportedItem 5.G
Wrap fee program
$933MreportedItem 5.I
Custody
$478M, 643 clientsreportedItem 9.A
Ownership
no PE, bank or public-company owner found on Schedule Aderived
Advisor book size
not public; not estimatedreported
Also answered yes on Form ADV
  • buys or sells securities as principal to or from clients (8.A.2)
  • has discretionary authority over which securities are bought or sold (8.C.1)
  • receives research or other products from a broker-dealer, soft dollars (8.E)
  • compensates persons for client referrals (8.G.1)
  • compensates non-employees for client referrals (8.G.2)
  • has custody of client cash or bank accounts (9.A.1.a)
  • has custody of client securities (9.A.1.b)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Individuals$2.3B85%
  • High-net-worth individuals$424M15%
Individual clients
3,491reported
HNW clients
46reported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
6,147reported
Financial planning clients
reported
Wrap fee programs
$933M sponsored, $0 managedreported
Custody of client assets
$478M for 643 clientsreported
Compensation
% of AUMreported
Class basis
private_client_share=1.0 fund_share=0.0 institutional_share=0.0 related_bd=true related_bank=true bd_reps=0.0 bank_owner=falsederived
Advisors registered through the firm
6 on IAPD today, longest tenure first
NameBranchHere sinceIn industryPrior firms
Joshua Townsend PierceCertified Financial PlannerOverland Park,, Ks Feb 11, 201022 y3
John Patrick CogswellChartered Financial AnalystOverland Park,, Ks Feb 11, 201030 y4
Stuart Weinel LongChartered Financial AnalystBoston, Ma Jul 18, 201120 y4
Ethan Macdougall SomersChartered Financial AnalystBoston, Ma Apr 5, 201612 y3
Andy MaiChartered Financial AnalystBoston, Ma Apr 22, 202011 y2
Justin Marzilli BrownBoston, MaJan 13, 202612 y0
Advisor movement
1 left, 0 joined in 12 months
net -1 in 12 months0 left in 90 days0 joined in 90 daysdeparture rate 17% of current headcount1 left over 36 months
Left, latest
Joined, latest
Teams: two or more advisors moving together within fourteen days, from one state
Private funds
No private fund reported.
Owners and control persons
Schedule A and B, latest filing
  • Renee Cheryl Bicknell · Chief Operating Officercontrol
    since 01/2024 · owns less than 5%
  • Christopher Martin Bicknell · Chief Executive Officercontrol
    since 01/2024 · owns less than 5%
  • Allen Jeffrey Poe · Chief Financial Officercontrol
    since 01/2024 · owns less than 5%
  • Kenny Pointer · Chief Services Officercontrol
    since 01/2024 · owns less than 5%
  • Renee Cheryl Bicknell · Elected Managercontrol
    since 07/2021 · owns F of Mwa Holdco, LLC
  • Christopher Martin Bicknell · Elected Managercontrol
    since 07/2021 · owns F of Mwa Holdco, LLC
  • Glenn John Danhakl · Trusteecontrol
    since 10/1997 · owns F of The Danhakl Revocable Trust
  • Paul Gary Henson · Elected Managercontrol
    since 07/2021 · owns F of Mwa Holdco, LLC
  • Adam Jonathan Seiffer · Elected Managercontrol
    since 07/2021 · owns F of Mwa Holdco, LLC
  • Davis Jonathan Sokoloff · Trusteecontrol
    since 10/1997 · owns F of The Sokoloff Family Trust
  • Davis Jonathan Sokoloff · Elected Managercontrol
    since 07/2021 · owns F of Mwa Holdco, LLC
  • Jenelle Anne Dorian · Chief Risk Officer
    since 07/2026 · owns less than 5%
  • Michele Deann Elmore · Chief Services Officer
    since 07/2026 · owns less than 5%
  • Kim Maureen Kiefer-Goldenberg · Chief Compliance Officer
    since 01/2024 · owns less than 5%
  • Townsend Joshua Pierce · Managing Director
    since 12/2024 · owns less than 5%
Entity owners
  • Mariner Wealth Advisors · Managing Member
    direct · owns 75% or more
  • Emerald Holdings I, LLC · General Partner
    indirect · owns F of Emerald Holdings II, L.P.
  • Emerald Holdings II, L.P. · Limited Partner
    indirect · owns 75% or more of Lgp Feeder. L.P.
  • Gei Capital Viii, LLC · General Partner
    indirect · owns F of Green Equity Investors Side Viii L.P.
  • Gei Capital Viii, LLC · General Partner
    indirect · owns F of Green Equity Investors Viii L.P.
  • Gei Viii Mw Aggregator LLC · Member
    indirect · owns 25% to 50% of Mwa Holdco, LLC
  • Green Equity Investors Side Viii L.P. · Member
    indirect · owns 75% or more of Gei Viii Mw Blocker LLC
  • Leonard Green & Partners, L.P. · Manager
    indirect · owns 75% or more of Peridot Coinvest Manager LLC
  • Lgp Feeder. L.P. · Limited Partner
    indirect · owns 50% to 75% of Leonard Green & Partners, L.P.
  • Lgp Management, Inc. · Manager
    indirect · owns F of Gei Capital Viii, LLC
  • Lgp Management, Inc. · General Partner
    indirect · owns F of Leonard Green & Partners, L.P.
  • Mariner Wealth Advisors, LLC · Managing Member
    indirect · owns 75% or more of Mariner Wealth Advisors
  • Mwa Holdco, LLC · Manager
    indirect · owns F of Mwa Midco, LLC
  • Mwa Midco, LLC · Manager
    indirect · owns F of Mariner Wealth Advisors
  • Peridot Coinvest Manager LLC · Manager
    indirect · owns F of Gei Viii Mw Aggregator LLC
  • Peridot Coinvest Manager LLC · Manager
    indirect · owns F of Gei Viii Mw Blocker LLC
  • The Danhakl Revocable Trust · Limited Partner
    indirect · owns 25% to 50% of Emerald Holdings II, L.P.
  • The Danhakl Revocable Trust · Member
    indirect · owns 25% to 50% of Emerald Holdings I, LLC
  • The Sokoloff Family Trust · Member
    indirect · owns 25% to 50% of Emerald Holdings I, LLC
  • The Sokoloff Family Trust · Limited Partner
    indirect · owns 25% to 50% of Emerald Holdings II, L.P.
Related persons
Schedule D 7.A
Advisers that list Mariner as a related person
Office movement
IAPD branch city; joins and departures in 12 months
OfficeAdvisorsJoinedLeftTeams outForming
Boston, Ma610
Overland Park,, Ks · principal500
Vero Beach, Fl001
Offices
Schedule D 1.F, the 25 largest
  • Boston, MA6 employees
  • , 1 employees
ADV anomalies
6 against comparable advisers; where to look, not conclusions
  • unusually high clients per advisorStatic outlier · filing Aug 5, 2026
    private clients per advisor of 589.5 against a peer median of 64.5 (1151 comparable advisers, 99.0th percentile, 12.8 robust deviations)
    peers: independent wealth managers, $1B to $5B (1,151) · 99% percentile
  • control person changedChange between filings · filing Aug 5, 2026
    DANHAKL, JOHN, GLENN (TRUSTEE) left Schedule A between the filings of 2024-01-29 and 2026-08-05
    peers: independent wealth managers, $1B to $5B (1,362)
  • control person changedChange between filings · filing Aug 5, 2026
    HENSON, GARY, PAUL (ELECTED MANAGER) left Schedule A between the filings of 2024-01-29 and 2026-08-05
    peers: independent wealth managers, $1B to $5B (1,362)
  • control person changedChange between filings · filing Aug 5, 2026
    SEIFFER, JONATHAN, ADAM (ELECTED MANAGER) left Schedule A between the filings of 2024-01-29 and 2026-08-05
    peers: independent wealth managers, $1B to $5B (1,362)
  • control person changedChange between filings · filing Aug 5, 2026
    POINTER, KENNY (CHIEF SERVICES OFFICER) left Schedule A between the filings of 2024-01-29 and 2026-08-05
    peers: independent wealth managers, $1B to $5B (1,362)
  • control person changedChange between filings · filing Aug 5, 2026
    SOKOLOFF, JONATHAN, DAVIS (TRUSTEE) left Schedule A between the filings of 2024-01-29 and 2026-08-05
    peers: independent wealth managers, $1B to $5B (1,362)
What changed
consecutive filings, newest first
  • Accounts · 5,559 to 6,147
    May 1, 2025 to Mar 26, 2026
  • Advisory employees · 6 to 7
    May 1, 2025 to Mar 26, 2026
  • HNW clients · 37 to 46
    May 1, 2025 to Mar 26, 2026
  • Individual clients · 3,205 to 3,491
    May 1, 2025 to Mar 26, 2026
  • Assets in custody · $416M to $478M
    May 1, 2025 to Mar 26, 2026
  • Employees · 12 to 13
    May 1, 2025 to Mar 26, 2026
  • State-registered IARs · 6 to 7
    May 1, 2025 to Mar 26, 2026
  • Legal name · BAYSTATE WEALTH MANAGEMENT LLC to MARINER MANAGED ACCOUNT SOLUTIONS, LLC
    May 1, 2025 to Mar 26, 2026
  • Discretionary RAUM · $2.3B to $2.7B
    May 1, 2025 to Mar 26, 2026
  • HNW RAUM · $368M to $424M
    May 1, 2025 to Mar 26, 2026
  • Individual RAUM · $2.0B to $2.3B
    May 1, 2025 to Mar 26, 2026
  • Non-discretionary RAUM · $45.9M to $35.1M
    May 1, 2025 to Mar 26, 2026
  • RAUM · $2.4B to $2.8B
    May 1, 2025 to Mar 26, 2026
  • Wrap assets (sponsor) · $828M to $933M
    May 1, 2025 to Mar 26, 2026
  • Accounts · 4,733 to 5,559
    Apr 5, 2024 to May 1, 2025
  • Business name · BAYSTATE WEALTH MANAGEMENT to MARINER
    Apr 5, 2024 to May 1, 2025
  • HNW clients · 27 to 37
    Apr 5, 2024 to May 1, 2025
  • Individual clients · 2,796 to 3,205
    Apr 5, 2024 to May 1, 2025
  • Assets in custody · $358M to $416M
    Apr 5, 2024 to May 1, 2025
  • Financial planning clients · unset to
    Apr 5, 2024 to May 1, 2025
  • Discretionary RAUM · $1.9B to $2.3B
    Apr 5, 2024 to May 1, 2025
  • HNW RAUM · $258M to $368M
    Apr 5, 2024 to May 1, 2025
  • Individual RAUM · $1.7B to $2.0B
    Apr 5, 2024 to May 1, 2025
  • Non-discretionary RAUM · $48.0M to $45.9M
    Apr 5, 2024 to May 1, 2025
  • RAUM · $1.9B to $2.4B
    Apr 5, 2024 to May 1, 2025
  • Wrap assets (sponsor) · $885M to $828M
    Apr 5, 2024 to May 1, 2025
  • Accounts · 3,833 to 4,733
    Jan 29, 2024 to Mar 25, 2024
  • Advisory employees · 5 to 6
    Jan 29, 2024 to Mar 25, 2024
  • Corporate clients · 17.0 to unset
    Jan 29, 2024 to Mar 25, 2024
  • HNW clients · 359 to 27
    Jan 29, 2024 to Mar 25, 2024
  • Individual clients · 1,884 to 2,796
    Jan 29, 2024 to Mar 25, 2024
  • Assets in custody · $293M to $358M
    Jan 29, 2024 to Mar 25, 2024
  • Employees · 11 to 12
    Jan 29, 2024 to Mar 25, 2024
  • Insurance-licensed employees · 1 to 0
    Jan 29, 2024 to Mar 25, 2024
  • Discretionary RAUM · $1.5B to $1.9B
    Jan 29, 2024 to Mar 25, 2024
  • HNW RAUM · $833M to $258M
    Jan 29, 2024 to Mar 25, 2024
  • Individual RAUM · $662M to $1.7B
    Jan 29, 2024 to Mar 25, 2024
  • Non-discretionary RAUM · $40.6M to $48.0M
    Jan 29, 2024 to Mar 25, 2024
  • RAUM · $1.5B to $1.9B
    Jan 29, 2024 to Mar 25, 2024
  • Wrap assets (sponsor) · $0 to $885M
    Jan 29, 2024 to Mar 25, 2024
Signals
19 dated events
  • Thomas Neal O'Connor left Mariner for Msi Financial Services, Inc. (registered 2015-01-02)
    Jun 15, 2026 · Advisor changed firm · fact
  • Mariner reported RAUM $1.9B, up 27% from $1.5B (2024-01-29 to 2024-03-25)
    Mar 25, 2024 · RAUM change · derived
  • Delores Katrina Radenberg (Chief Investment Officer) no longer on Schedule A of Mariner (listed 2024-01-29, absent 2024-03-25)
    Mar 25, 2024 · Control person left · inference
  • Neal Thomas O'Connor (President / Chief Compliance Officer) no longer on Schedule A of Mariner (listed 2023-11-10, absent 2024-01-29)
    Jan 29, 2024 · Control person left · inference
  • Craig David Porter (Chairman) no longer on Schedule A of Mariner (listed 2023-11-10, absent 2024-01-29)
    Jan 29, 2024 · Control person left · inference
  • Christopher Martin Bicknell (Chief Executive Officer) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Delores Katrina Radenberg (Chief Investment Officer) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Renee Cheryl Bicknell (Chief Operating Officer) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Allen Jeffrey Poe (Chief Financial Officer) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Kenny Pointer (Chief Services Officer) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Glenn John Danhakl (Trustee) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Davis Jonathan Sokoloff (Trustee) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Adam Jonathan Seiffer (Elected Manager) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Paul Gary Henson (Elected Manager) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Jenelle Anne Dorian (General Counsel) appeared on Schedule A of Mariner
    Jan 29, 2024 · Control person joined · fact
  • Jude Gregory Pinto (Managing Member) no longer on Schedule A of Mariner (listed 2019-11-19, absent 2020-03-30)
    Mar 30, 2020 · Control person left · inference
  • Mariner reported 1 offices beyond its principal office, down from 6 (2018-08-23 to 2019-01-24)
    Jan 24, 2019 · Office count change · derived
  • Mariner reported 5 state-registered advisory representatives, down from 40 (2018-01-25 to 2018-08-23)
    Aug 23, 2018 · Advisor headcount change · derived
  • Mariner reported 40 state-registered advisory representatives, down from 165 (2017-03-30 to 2018-01-25)
    Jan 25, 2018 · Advisor headcount change · derived
Across DFX
shared identifiers only, never a name match
No identifier-backed link to the venture, private equity, family office or sponsor graphs.
How to reach
public business contact points only, each with its source
Business phone
617-982-5200reportedpublished by the firm, firm site, Sep 15, 2026
Firm profile
linkedin.com/company/access-mariner/posts/?feedView=allreportedpublic record, Form ADV, Sep 18, 2026
Website
mmas.mariner.comreportedpublic record, Form ADV, Sep 18, 2026
Principal office phone
9139045700reportedpublic record, Form ADV, Aug 5, 2026
Contact form
mmas.mariner.com/contactreportedpublished by the firm, firm site, Sep 15, 2026
Team page
mmas.mariner.com/our-teamreportedpublished by the firm, firm site, Sep 15, 2026
Provenance
Form ADV
SEC filing data 2011 to 2024 and the monthly roster 2025 onreportedadviserinfo.sec.gov
Advisors
IAPD individual compilation feed, dailyreportedadviserinfo.sec.gov
Class
Independent wealth managerderiveda rule over Items 5.D and 7.A
RAUM per advisor
$462Mderivedfirm RAUM over the IAPD count; not a book size
Loaded
Sep 14, 2026