Firm profile

Mariner

OVERLAND PARK,, KSCRD 151664Registration Status: ApprovedEffective since July 28, 2010SEC # 801-71691Latest ADV August 5, 2026

Mariner is an SEC registered investment adviser organized as a limited liability company with a primary office location in Overland Park, KS. Its latest Form ADV filing, dated August 5, 2026, reports $2.8B in regulatory assets under management, 13 employees, 3 offices, and 6,147 accounts.

Assets Under Management
$2.8B
Employees
13
Offices
3 offices
Total Clients
3,537

Associated firm names

4 names listed
  • BAYSTATE WEALTH MANAGEMENT
  • MARINER MANAGED ACCOUNT SOLUTIONS, LLC
  • MARINER
  • BAYSTATE WEALTH MANAGEMENT LLC

Leadership

4 roles identified
CEOMartin C. Bicknell
CCOMaureen K. Kiefer-goldenberg
CFOJeffrey A. Poe

Advisory services offered

2 types reported
Portfolio management for businesses
Portfolio management for individuals and small businesses

Fee models offered

1 types reported
Asset based fees

Offices & Contact

Primary office

OVERLAND PARK,, Kansas, United States

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Primary office regionOther reported regions

Shading shows states and countries with reported offices. Cities are listed below; shading does not indicate service coverage.

Kansas

OVERLAND PARK,Primary office

Massachusetts

BOSTON

2 office records listed · 3 total offices reported. 1 additional office addresses are undisclosed and are not mapped. Counts can use different reporting dates. SEC filers may list only their largest 25 additional offices.

Contact and digital presence

ADV profile links

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$2.8Bas of August 5, 2026
Discretionary98.7%
$2.7B
99% of total RAUM98.7%
Non-discretionary1.3%
$35M
1% of total RAUM1.3%
Regulatory assets under management are split between discretionary and non-discretionary assets.

Client Coverage Demographics

Top client segmentIndividuals represent 98.7% of total clients.
Top client categories% of clientsClients
1
Individuals
98.7%
3,491
2
HNWI
1.3%
46

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total AUM$2.8B
Total Accounts6,147
10Y AUM Change+$1.9B (+205.3%)

Private Funds

Private funds reported by Mariner

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Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees13
Clients per Employee272:1
10Y Employee Change-152 (-92.1%)

Historical AUM and employee figures reflect available SEC Form ADV filings under this CRD. Filing gaps may reflect registration status changes, dormant periods, state registration periods, firm restructuring, or other reporting changes. Rialytix does not interpolate missing periods.


Ownership

Reported direct and indirect ownership ranges

Each range applies to a separate reported relationship and should not be added together.

Reported ownership ranges

Highlighted bands show the percentage range reported in Form ADV.

0%25%50%75%100%
MARINER WEALTH ADVISORSDirect owner · Schedule AInterest in MARINER
75%+
GREEN EQUITY INVESTORS SIDE VIII L.P.Indirect owner · Schedule BInterest in GEI VIII MW BLOCKER LLC
75%+
LEONARD GREEN & PARTNERS, L.P.Indirect owner · Schedule BInterest in PERIDOT COINVEST MANAGER LLC
75%+
EMERALD HOLDINGS II, L.P.Indirect owner · Schedule BInterest in LGP FEEDER. L.P.
75%+
MARINER WEALTH ADVISORS, LLCIndirect owner · Schedule BInterest in MARINER WEALTH ADVISORS
75%+
GEI VIII MW BLOCKER LLCIndirect owner · Schedule BInterest in GEI VIII MW AGGREGATOR LLC
50% to < 75%
LGP FEEDER. L.P.Indirect owner · Schedule BInterest in LEONARD GREEN & PARTNERS, L.P.
50% to < 75%
GEI VIII MW AGGREGATOR LLCIndirect owner · Schedule BInterest in MWA HOLDCO, LLC
25% to < 50%
GREEN EQUITY INVESTORS VIII L.P.Indirect owner · Schedule BInterest in GEI VIII MW AGGREGATOR LLC
25% to < 50%
THE DANHAKL REVOCABLE TRUSTIndirect owner · Schedule BInterest in EMERALD HOLDINGS II, L.P.
25% to < 50%
THE SOKOLOFF FAMILY TRUSTIndirect owner · Schedule BInterest in EMERALD HOLDINGS II, L.P.
25% to < 50%
THE SOKOLOFF FAMILY TRUSTIndirect owner · Schedule BInterest in EMERALD HOLDINGS I, LLC
25% to < 50%
THE DANHAKL REVOCABLE TRUSTIndirect owner · Schedule BInterest in EMERALD HOLDINGS I, LLC
25% to < 50%

Bars represent the reported range at that individual ownership step, not an estimated percentage of the advisory firm. Indirect relationships may refer to intermediate entities rather than directly to Mariner.

Reported ownership and control details

Form ADV · Filing date 2026-08-05 · Schedules A and B

38 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1MARTIN CHRISTOPHER BICKNELLCHIEF EXECUTIVE OFFICERIndividualMARINERLess than 5%Code NAYesCHIEF EXECUTIVE OFFICER01/2024Schedule APDF page 32
2CHERYL RENEE BICKNELLCHIEF OPERATING OFFICERIndividualMARINERLess than 5%Code NAYesCHIEF OPERATING OFFICER01/2024Schedule APDF page 32
3JEFFREY ALLEN POECHIEF FINANCIAL OFFICERIndividualMARINERLess than 5%Code NAYesCHIEF FINANCIAL OFFICER01/2024Schedule APDF page 32
4MARINER WEALTH ADVISORSMANAGING MEMBERDomestic entityMARINER75% or moreCode EYesMANAGING MEMBER01/2024Schedule APDF page 32
5MAUREEN KIM KIEFER-GOLDENBERGCHIEF COMPLIANCE OFFICERIndividualMARINERLess than 5%Code NANoCHIEF COMPLIANCE OFFICER01/2024Schedule APDF page 32
6ANNE JENELLE DORIANCHIEF RISK OFFICERIndividualMARINERLess than 5%Code NANoCHIEF RISK OFFICER07/2026Schedule APDF page 32
7JOSHUA TOWNSEND PIERCEMANAGING DIRECTORIndividualMARINERLess than 5%Code NANoMANAGING DIRECTOR12/2024Schedule APDF page 32
8DEANN MICHELE ELMORECHIEF SERVICES OFFICERIndividualMARINERLess than 5%Code NANoCHIEF SERVICES OFFICER07/2026Schedule APDF page 32
9MWA MIDCO, LLCMANAGERDomestic entityMARINER WEALTH ADVISORSPercentage not specifiedCode FYesMANAGER06/2021Schedule BPDF page 33
10MWA HOLDCO, LLCMANAGERDomestic entityMWA MIDCO, LLCPercentage not specifiedCode FYesMANAGER06/2021Schedule BPDF page 33
11GEI VIII MW AGGREGATOR LLCMEMBERDomestic entityMWA HOLDCO, LLC25% to less than 50%Code CYesMEMBER06/2021Schedule BPDF page 33
12PERIDOT COINVEST MANAGER LLCMANAGERDomestic entityGEI VIII MW AGGREGATOR LLCPercentage not specifiedCode FYesMANAGER04/2021Schedule BPDF page 33
13GEI VIII MW BLOCKER LLCMEMBERDomestic entityGEI VIII MW AGGREGATOR LLC50% to less than 75%Code DNoMEMBER04/2021Schedule BPDF page 33
14GREEN EQUITY INVESTORS VIII L.P.MEMBERDomestic entityGEI VIII MW AGGREGATOR LLC25% to less than 50%Code CNoMEMBER04/2021Schedule BPDF page 33
15GEI CAPITAL VIII, LLCGENERAL PARTNERDomestic entityGREEN EQUITY INVESTORS VIII L.P.Percentage not specifiedCode FYesGENERAL PARTNER06/2019Schedule BPDF page 33
16GREEN EQUITY INVESTORS SIDE VIII L.P.MEMBERDomestic entityGEI VIII MW BLOCKER LLC75% or moreCode EYesMEMBER04/2021Schedule BPDF page 33
17GEI CAPITAL VIII, LLCGENERAL PARTNERDomestic entityGREEN EQUITY INVESTORS SIDE VIII L.P.Percentage not specifiedCode FYesGENERAL PARTNER06/2019Schedule BPDF page 33
18LGP MANAGEMENT, INC.MANAGERDomestic entityGEI CAPITAL VIII, LLCPercentage not specifiedCode FYesMANAGER12/2019Schedule BPDF page 33
19LEONARD GREEN & PARTNERS, L.P.MANAGERDomestic entityPERIDOT COINVEST MANAGER LLC75% or moreCode EYesMANAGER07/2014Schedule BPDF page 33
20LGP MANAGEMENT, INC.GENERAL PARTNERDomestic entityLEONARD GREEN & PARTNERS, L.P.Percentage not specifiedCode FYesGENERAL PARTNER06/1996Schedule BPDF page 33
21LGP FEEDER. L.P.LIMITED PARTNERDomestic entityLEONARD GREEN & PARTNERS, L.P.50% to less than 75%Code DYesLIMITED PARTNER11/2022Schedule BPDF page 33
22EMERALD HOLDINGS II, L.P.LIMITED PARTNERDomestic entityLGP FEEDER. L.P.75% or moreCode EYesLIMITED PARTNER11/2022Schedule BPDF page 33
23THE DANHAKL REVOCABLE TRUSTLIMITED PARTNERDomestic entityEMERALD HOLDINGS II, L.P.25% to less than 50%Code CYesLIMITED PARTNER06/2012Schedule BPDF page 33
24JOHN GLENN DANHAKLTRUSTEEIndividualTHE DANHAKL REVOCABLE TRUSTPercentage not specifiedCode FYesTRUSTEE10/1997Schedule BPDF page 33
25THE SOKOLOFF FAMILY TRUSTLIMITED PARTNERDomestic entityEMERALD HOLDINGS II, L.P.25% to less than 50%Code CYesLIMITED PARTNER06/2012Schedule BPDF page 33
26JONATHAN DAVIS SOKOLOFFTRUSTEEIndividualTHE SOKOLOFF FAMILY TRUSTPercentage not specifiedCode FYesTRUSTEE10/1997Schedule BPDF page 33
27EMERALD HOLDINGS I, LLCGENERAL PARTNERDomestic entityEMERALD HOLDINGS II, L.P.Percentage not specifiedCode FYesGENERAL PARTNER08/2016Schedule BPDF page 33
28THE SOKOLOFF FAMILY TRUSTMEMBERDomestic entityEMERALD HOLDINGS I, LLC25% to less than 50%Code CYesMEMBER05/2012Schedule BPDF page 33
29THE DANHAKL REVOCABLE TRUSTMEMBERDomestic entityEMERALD HOLDINGS I, LLC25% to less than 50%Code CYesMEMBER05/2012Schedule BPDF page 33
30PERIDOT COINVEST MANAGER LLCMANAGERDomestic entityGEI VIII MW BLOCKER LLCPercentage not specifiedCode FYesMANAGER04/2021Schedule BPDF page 33
31MARTIN CHRISTOPHER BICKNELLELECTED MANAGERIndividualMWA HOLDCO, LLCPercentage not specifiedCode FYesELECTED MANAGER07/2021Schedule BPDF page 33
32CHERYL RENEE BICKNELLELECTED MANAGERIndividualMWA HOLDCO, LLCPercentage not specifiedCode FYesELECTED MANAGER07/2021Schedule BPDF page 33
33GARY PAUL HENSONELECTED MANAGERIndividualMWA HOLDCO, LLCPercentage not specifiedCode FYesELECTED MANAGER07/2021Schedule BPDF page 33
34JONATHAN DAVIS SOKOLOFFELECTED MANAGERIndividualMWA HOLDCO, LLCPercentage not specifiedCode FYesELECTED MANAGER07/2021Schedule BPDF page 33
35JONATHAN ADAM SEIFFERELECTED MANAGERIndividualMWA HOLDCO, LLCPercentage not specifiedCode FYesELECTED MANAGER07/2021Schedule BPDF page 33
36MARINER WEALTH ADVISORS, LLCMANAGING MEMBERDomestic entityMARINER WEALTH ADVISORS75% or moreCode EYesMANAGING MEMBER09/2008Schedule BPDF page 33
37JEFFREY ALLEN POEELECTED MEMBERIndividualMWA HOLDCO, LLCPercentage not specifiedCode FYesELECTED MEMBER11/2024Schedule BPDF page 34
38DAVID JOHN LYONELECTED MEMBERIndividualMWA HOLDCO, LLCPercentage not specifiedCode FYesELECTED MEMBER11/2024Schedule BPDF page 34

Less than 5% may include zero. Code F identifies a role without specifying a percentage. Reported interests may overlap and may not include every owner. Total indirect ownership is not calculated.

Compliance & Disclosures

Filing dated 8/5/2026 4:29:47 PM

Responses were selected by the RIA in its filing. Questions are shortened for readability; “you” refers to the reporting firm, and some questions also cover advisory affiliates.

RIA or supervised-person involvementThe RIA reported that none of the events below involve the firm or its supervised persons.RIA responseNo
AFelonies2 No

In the past ten years, have you or any advisory affiliate:

  • A1Been convicted of or pleaded guilty or no contest to a felony?No
  • A2Been charged with a felony?No
BMisdemeanors2 No

In the past ten years, have you or any advisory affiliate:

  • B1Been convicted of or pleaded guilty or no contest to a misdemeanor involving investments, an investment-related business, fraud, false statements or omissions, wrongful taking of property, bribery, perjury, forgery, counterfeiting, or extortion?No
  • B2Been charged with a misdemeanor of the kind listed above?No
CSEC or CFTC actions5 No

Has the SEC or CFTC ever:

  • C1Found you or an advisory affiliate made a false statement or omission?No
  • C2Found you or an advisory affiliate violated SEC or CFTC regulations or statutes?No
  • C3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • C4Entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • C5Imposed a civil money penalty on you or an advisory affiliate, or ordered you or an advisory affiliate to cease and desist from any activity?No
DOther regulatory actions5 No

Has any other federal regulatory agency, state regulatory agency, or foreign financial regulatory authority ever:

  • D1Found you or an advisory affiliate made a false statement or omission, or was dishonest, unfair, or unethical?No
  • D2Found you or an advisory affiliate violated investment-related regulations or statutes?No
  • D3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • D4In the past ten years, entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • D5Denied, suspended, or revoked your or an advisory affiliate’s registration or license, or otherwise prevented association with an investment-related business or restricted activities?No
ESelf-regulatory organization actions4 No

Has a self-regulatory organization or commodities exchange ever:

  • E1Found you or an advisory affiliate made a false statement or omission?No
  • E2Found you or an advisory affiliate violated its rules, other than a violation designated as a minor rule violation under an SEC-approved plan?No
  • E3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • E4Disciplined you or an advisory affiliate by expulsion, suspension, barring association with other members, or otherwise restricting activities?No
FProfessional authorizations1 No
  • FHas an authorization to act as an attorney, accountant, or federal contractor granted to you or an advisory affiliate ever been revoked or suspended?No
GPending regulatory proceedings1 No
  • GAre you or any advisory affiliate now the subject of a regulatory proceeding that could result in a “Yes” answer to any part of C, D, or E?No
HCivil judicial actions and proceedings4 No

(1) Court actions

Has a domestic or foreign court:

  • H(1)(a)In the past ten years, enjoined you or an advisory affiliate in connection with investment-related activity?No
  • H(1)(b)Found that you or an advisory affiliate violated investment-related statutes or regulations?No
  • H(1)(c)Dismissed, pursuant to a settlement agreement, an investment-related civil action brought against you or an advisory affiliate by a state or foreign financial regulatory authority?No

(2) Pending civil proceedings

  • H(2)Are you or any advisory affiliate now the subject of a civil proceeding that could result in a “Yes” answer to any part of H(1)?No

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.