Firm profile

Amergin Asset Management, LLC

BOCA RATON, FLCRD 323350Registration Status: ApprovedEffective since December 2, 2022SEC # 801-126990Latest ADV March 19, 2026

Amergin Asset Management, LLC is an SEC registered investment adviser organized as a limited liability company with a primary office location in Boca Raton, FL. Its latest Form ADV filing, dated March 19, 2026, reports $1.2B in regulatory assets under management, 13 employees, 13 offices, and 4 accounts.

Assets Under Management
$1.2B
Employees
13
Offices
13 offices
Total Clients
<5

Associated firm names

2 names listed
  • AMERGIN ASSET MANAGEMENT
  • AMERGIN ASSET MANAGEMENT, LLC

Leadership

4 roles identified
CEOMark J. Mcgreenery
CCODavid S. Shin
CFODuane W. Hosang

Advisory services offered

1 types reported
Portfolio management for pooled investment vehicles

Fee models offered

3 types reported
Asset based fees
Other fee arrangements
Performance-based fees

Offices & Contact

Primary office

BOCA RATON, Florida, 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.

Florida

BOCA RATONPrimary office

Ireland

DUBLIN 2

2 office records listed · 13 total offices reported. 11 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$1.2Bas of March 19, 2026
Discretionary100.0%
$1.2B
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.

Client Coverage Demographics

Top client segmentPooled Investment Vehicles represent 100.0% of total clients.
Top client categories% of clientsClients
1
Pooled Investment Vehicles
100.0%
4

Assets under management Growth by Quarter

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

Total AUM$1.2B
Total Accounts4
10Y AUM Change+$1.2B (+1209249.8%)

Private Funds

Private funds reported by Amergin Asset Management, LLC

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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 Employee0:1
10Y Employee Change+5 (+62.5%)

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%
AMERGIN ASSET MANAGEMENT HOLDINGS, INC.Direct owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
75%+
ORCIC AAM LLCDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
5% to < 10%
ORTF AAM LLCDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
5% to < 10%
ORCC II AAM LLCDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
5% to < 10%
ORCC AAM LLCDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
5% to < 10%
MARK JOHN MCGREENERYDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
< 5%
DAVID SUNGWOO SHINDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
< 5%
Jerrold R RosenDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
< 5%
Aidan G HarrisonDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
< 5%
Henry Kenneth RoseberryDirect owner · Schedule AInterest in AMERGIN ASSET MANAGEMENT, LLC
< 5%
BLUE OWL CREDIT INCOME CORP.Indirect owner · Schedule BInterest in ORCIC AAM LLC
75%+
BLUE OWL CAPITAL CORPORATIONIndirect owner · Schedule BInterest in ORCC AAM LLC
75%+
BLUE OWL CAPITAL CORPORATION IIIndirect owner · Schedule BInterest in ORCC II AAM LLC
75%+
BLUE OWL TECHNOLOGY FINANCE CORP.Indirect owner · Schedule BInterest in ORTF AAM LLC
75%+
MARK JOHN MCGREENERYIndirect owner · Schedule BInterest in AMERGIN ASSET MANAGEMENT HOLDINGS, INC.
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 Amergin Asset Management, LLC.

Reported ownership and control details

Form ADV · Filing date 2026-03-19 · Schedules A and B

16 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1MARK JOHN MCGREENERYCHIEF EXECUTIVE OFFICER AND MEMBER OF INVESTMENT COMMITTEEIndividualAMERGIN ASSET MANAGEMENT, LLCLess than 5%Code NAYesCHIEF EXECUTIVE OFFICER AND MEMBER OF INVESTMENT COMMITTEE11/2022Schedule APDF page 39
2DAVID SUNGWOO SHINCHIEF COMPLIANCE OFFICER, TREASURER AND HEAD OF CAPITAL MARKETS, AND MEMBER OF INVESTMENT COMMITTEEIndividualAMERGIN ASSET MANAGEMENT, LLCLess than 5%Code NAYesCHIEF COMPLIANCE OFFICER, TREASURER AND HEAD OF CAPITAL MARKETS, AND MEMBER OF INVESTMENT COMMITTEE11/2022Schedule APDF page 39
3DUANE WESLEY HOSANGCHIEF FINANCIAL OFFICERIndividualAMERGIN ASSET MANAGEMENT, LLCLess than 5%Code NAYesCHIEF FINANCIAL OFFICER11/2022Schedule APDF page 39
4AMERGIN ASSET MANAGEMENT HOLDINGS, INC.MEMBERDomestic entityAMERGIN ASSET MANAGEMENT, LLC75% or moreCode EYesMEMBER07/2022Schedule APDF page 39
5ORCIC AAM LLCMEMBERDomestic entityAMERGIN ASSET MANAGEMENT, LLC5% to less than 10%Code ANoMEMBER06/2022Schedule APDF page 39
6ORTF AAM LLCMEMBERDomestic entityAMERGIN ASSET MANAGEMENT, LLC5% to less than 10%Code ANoMEMBER03/2021Schedule APDF page 39
7Jerrold R RosenCHIEF OPERATING OFFICER AND GENERAL COUNSEL AND MEMBER OF INVESTMENT COMMITTEEIndividualAMERGIN ASSET MANAGEMENT, LLCLess than 5%Code NAYesCHIEF OPERATING OFFICER AND GENERAL COUNSEL AND MEMBER OF INVESTMENT COMMITTEE11/2022Schedule APDF page 39
8Aidan G HarrisonPRINCIPAL AND DIRECTOR OF IRISH OPERATIONS AND MEMBER OF INVESTMENT COMMITTEEIndividualAMERGIN ASSET MANAGEMENT, LLCLess than 5%Code NAYesPRINCIPAL AND DIRECTOR OF IRISH OPERATIONS AND MEMBER OF INVESTMENT COMMITTEE11/2022Schedule APDF page 39
9Henry Kenneth RoseberryPRESIDENT OF RAIL AND MEMBER OF THE INVESTMENT COMMITTEEIndividualAMERGIN ASSET MANAGEMENT, LLCLess than 5%Code NAYesPRESIDENT OF RAIL AND MEMBER OF THE INVESTMENT COMMITTEE12/2022Schedule APDF page 39
10ORCC II AAM LLCMEMBERDomestic entityAMERGIN ASSET MANAGEMENT, LLC5% to less than 10%Code ANoMEMBER06/2022Schedule APDF page 39
11ORCC AAM LLCMEMBERDomestic entityAMERGIN ASSET MANAGEMENT, LLC5% to less than 10%Code ANoMEMBER03/2025Schedule APDF page 39
12MARK JOHN MCGREENERYSHAREHOLDERIndividualAMERGIN ASSET MANAGEMENT HOLDINGS, INC.25% to less than 50%Code CYesSHAREHOLDER06/2022Schedule BPDF page 40
13BLUE OWL CREDIT INCOME CORP.MEMBERDomestic entityORCIC AAM LLC75% or moreCode EYesMEMBER06/2022Schedule BPDF page 40
14BLUE OWL CAPITAL CORPORATIONMEMBERDomestic entityORCC AAM LLC75% or moreCode EYesMEMBER03/2025Schedule BPDF page 40
15BLUE OWL CAPITAL CORPORATION IIMEMBERDomestic entityORCC II AAM LLC75% or moreCode EYesMEMBER06/2022Schedule BPDF page 40
16BLUE OWL TECHNOLOGY FINANCE CORP.MEMBERDomestic entityORTF AAM LLC75% or moreCode EYesMEMBER06/2025Schedule BPDF page 40

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 3/19/2026 5:19:29 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.