Firm profile

Oak Hill Advisors, L.P.

NEW YORK, NYCRD 125352Registration Status: ApprovedEffective since March 25, 2004SEC # 801-62894Latest ADV June 1, 2026

Oak Hill Advisors, L.P. is an SEC registered investment adviser organized as a limited partnership with a primary office location in New York, NY. Its latest Form ADV filing, dated June 1, 2026, reports $100.7B in regulatory assets under management, 435 employees, 2 offices, and 184 accounts.

Assets Under Management
$100.7B
Employees
435
Offices
2 offices
Total Clients
152

Associated firm names

11 names listed
  • OAK HILL ADVISORS (EUROPE) LLPRelying adviser
  • OHA (UK) LLPRelying adviser
  • OAK HILL SPECIAL OPPORTUNITIES MANAGEMENT, LLC
  • OAK HILL CREDIT OPPORTUNITIES MANAGEMENT, LLCRelying adviser

Leadership

3 roles identified
CEOGlenn R. August
CCOKahyeong N. Lee
CFOMark A. Zaeske

Advisory services offered

2 types reported
Portfolio management for businesses
Portfolio management for pooled investment vehicles

Fee models offered

4 types reported
Asset based fees
Fixed fees
Other fee arrangements

Offices & Contact

Primary office

NEW YORK, New York, 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.

New York

NEW YORKPrimary office

Australia

MELBOURNE

2 office records listed · 2 total offices reported. 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$100.7Bas of June 1, 2026
Discretionary100.0%
$100.7B
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 65.8% of total clients.
Top client categories% of clientsClients
1
Pooled Investment Vehicles
65.8%
100
2
Pension Plans
13.2%
20
3
FAMILY OFFICES
7.2%
11
4
Sovereign Wealth
6.6%
10
5
Insurance Cos.
3.9%
6

Assets under management Growth by Quarter

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

Total AUM$100.7B
Total Accounts184
10Y AUM Change+$66.6B (+195.5%)

Private Funds

Private funds reported by Oak Hill Advisors, L.P.

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Employee Growth by Quarter

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

Total Employees435
Clients per Employee0:1
10Y Employee Change+164 (+60.5%)

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%
OAK HILL ADVISORS GENPAR, L.P.Direct owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
25% to < 50%
WSI OHA LLCDirect owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
10% to < 25%
OHA GENPAR PRINCIPAL INVESTORS, L.P.Direct owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
10% to < 25%
T. ROWE PRICE ASSOCIATES, INC.Direct owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
10% to < 25%
OMEGA MERGER SUB 3, LLCDirect owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
10% to < 25%
WILLIAM HARTWIG BOHNSACKDirect owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
< 5%
ALAN MARC SCHRAGERDirect owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
< 5%
ADAM BRADLEY KERTZNERDirect owner · Schedule AInterest in OAK HILL ADVISORS, L.P.
< 5%
T. ROWE PRICE ASSOCIATES, INC.Indirect owner · Schedule BInterest in OAK HILL ADVISORS GENPAR, L.P.
75%+
T. ROWE PRICE ASSOCIATES, INC.Indirect owner · Schedule BInterest in OHA GENPAR PRINCIPAL INVESTORS, L.P.
75%+
T. ROWE PRICE ASSOCIATES, INC.Indirect owner · Schedule BInterest in WSI OHA LLC
75%+
T. ROWE PRICE GROUP, INC.Indirect owner · Schedule BInterest in OMEGA MERGER SUB 3, LLC
75%+
T. ROWE PRICE GROUP, INC.Indirect owner · Schedule BInterest in T. ROWE PRICE ASSOCIATES, INC.
75%+

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 Oak Hill Advisors, L.P..

Reported ownership and control details

Form ADV · Filing date 2026-06-01 · Schedules A and B

17 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1GLENN RUSSELL AUGUSTFOUNDER/CHIEF EXECUTIVE OFFICERIndividualOAK HILL ADVISORS, L.P.Less than 5%Code NAYesFOUNDER/CHIEF EXECUTIVE OFFICER08/1999Schedule APDF page 526
2WILLIAM HARTWIG BOHNSACKPRESIDENT/SENIOR PARTNERIndividualOAK HILL ADVISORS, L.P.Less than 5%Code NAYesPRESIDENT/SENIOR PARTNER01/2001Schedule APDF page 526
3OAK HILL ADVISORS GENPAR, L.P.GENERAL PARTNERDomestic entityOAK HILL ADVISORS, L.P.25% to less than 50%Code CYesGENERAL PARTNER04/2005Schedule APDF page 526
4ALAN MARC SCHRAGERPORTFOLIO MANAGER/SENIOR PARTNERIndividualOAK HILL ADVISORS, L.P.Less than 5%Code NAYesPORTFOLIO MANAGER/SENIOR PARTNER01/2010Schedule APDF page 526
5KAHYEONG NMN LEEMANAGING DIRECTOR/CHIEF COMPLIANCE OFFICER/DEPUTY GENERAL COUNSELIndividualOAK HILL ADVISORS, L.P.Less than 5%Code NAYesMANAGING DIRECTOR/CHIEF COMPLIANCE OFFICER/DEPUTY GENERAL COUNSEL01/2017Schedule APDF page 526
6WSI OHA LLCLIMITED PARTNERDomestic entityOAK HILL ADVISORS, L.P.10% to less than 25%Code BNoLIMITED PARTNER02/2018Schedule APDF page 526
7ADAM BRADLEY KERTZNERPORTFOLIO MANAGER/SENIOR PARTNERIndividualOAK HILL ADVISORS, L.P.Less than 5%Code NAYesPORTFOLIO MANAGER/SENIOR PARTNER01/2019Schedule APDF page 526
8OHA GENPAR PRINCIPAL INVESTORS, L.P.LIMITED PARTNERDomestic entityOAK HILL ADVISORS, L.P.10% to less than 25%Code BNoLIMITED PARTNER12/2021Schedule APDF page 526
9T. ROWE PRICE ASSOCIATES, INC.LIMITED PARTNERDomestic entityOAK HILL ADVISORS, L.P.10% to less than 25%Code BNoLIMITED PARTNER12/2021Schedule APDF page 526
10OMEGA MERGER SUB 3, LLCLIMITED PARTNERDomestic entityOAK HILL ADVISORS, L.P.10% to less than 25%Code BNoLIMITED PARTNER12/2021Schedule APDF page 526
11MARK ALAN ZAESKECHIEF FINANCIAL OFFICERIndividualOAK HILL ADVISORS, L.P.Less than 5%Code NAYesCHIEF FINANCIAL OFFICER03/2026Schedule APDF page 526
12T. ROWE PRICE ASSOCIATES, INC.PARTNERDomestic entityOAK HILL ADVISORS GENPAR, L.P.75% or moreCode EYesPARTNER12/2021Schedule BPDF page 526
13T. ROWE PRICE ASSOCIATES, INC.PARTNERDomestic entityOHA GENPAR PRINCIPAL INVESTORS, L.P.75% or moreCode EYesPARTNER12/2021Schedule BPDF page 526
14T. ROWE PRICE ASSOCIATES, INC.MEMBERDomestic entityWSI OHA LLC75% or moreCode EYesMEMBER12/2021Schedule BPDF page 527
15T. ROWE PRICE GROUP, INC.PARTNERDomestic entityOHA GENPAR PRINCIPAL INVESTORS, L.P.Percentage not specifiedCode FYesPARTNER12/2021Schedule BPDF page 527
16T. ROWE PRICE GROUP, INC.MEMBERDomestic entityOMEGA MERGER SUB 3, LLC75% or moreCode EYesMEMBER12/2021Schedule BPDF page 527
17T. ROWE PRICE GROUP, INC.SHAREHOLDERDomestic entityT. ROWE PRICE ASSOCIATES, INC.75% or moreCode EYesSHAREHOLDER12/2021Schedule BPDF page 527

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 6/1/2026 2:23:29 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.