Private company

OAK HILL ADVISORS LP

Limited partnership registered in the United States, active since 1999. Summary from the record

Last updated Oct 21, 2026.

Overview

HeadquartersNew York, United States²
Legal formLimited Partnership²
Kind of organizationLimited partnership²
LEI41OEWS9I9GYRDB1SZ042²
StatusActive²
LEI statusIssued and current²
Registered addressC/O Corporation Service Company, 19808 Wilmington, United States²
Registered withDivision of Corporations, Department of State, 3090793²

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Corporate structure

OAK HILL ADVISORS LP is part of a group headed by T. Rowe Price. 1,301 entities, 32 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of OAK HILL ADVISORS LP

Oak Hill Advisors Genpar, L.P. Owns 25% to 50% of Oak Hill Advisors LP, since 04/2005 (Form ADV)
Wsi Oha LLC Owns 10% to 25% of Oak Hill Advisors LP, since 02/2018 (Form ADV)
Oha Genpar Principal Investors, L.P. Owns 10% to 25% of Oak Hill Advisors LP, since 12/2021 (Form ADV)
Omega Merger Sub 3, LLC Owns 10% to 25% of Oak Hill Advisors LP, since 12/2021 (Form ADV)
T. Rowe Price Group, Inc. Owns control (general partner, trustee or manager) of Oha Genpar, since 12/2021 (Form ADV)

T. Rowe Price Baltimore, Maryland, United States
- OAK HILL ADVISORS LP New York, New York, United States
  - Oak Hill Advisors (Europe), LLP Subsidiary · London, United Kingdom
  - OHA (UK) LLP Subsidiary · London, United Kingdom
  - OCA OHA Credit Fund LLC Fund · New York, New York, United States
  - OHA Asia Customized Credit Fund, L.P. Fund · Wilmington, Delaware, United States
  - OHA Diversified Credit Strategies Fund (AUD Onshore Feeder) Fund · Melbourne, Australia
  - OHA Diversified Credit Strategies Fund (CAD Feeder), Ltd. Fund · New York, New York, United States
  - OHA Diversified Credit Strategies Fund (Euro Feeder), Ltd. Fund · New York, New York, United States
  - OHA Diversified Credit Strategies Fund (GBP Feeder), Ltd. Fund · New York, New York, United States
  - OHA Diversified Credit Strategies Fund Master, L.P. Fund · New York, New York, United States
  - OHA HT Lev Loan Fund, L.P. Fund · New York, New York, United States
  - OHA SEQUOIA CUSTOMIZED CREDIT FUND, L.P. Fund · New York, New York, United States
  - OHA Strategic Credit Master Fund III, L.P Fund · New York, New York, United States
  - OHA TKY Customized Credit Fund III, L.P. Fund · New York, New York, United States
  - and 5 more
- T. Rowe Price (Luxembourg) Management S.à r.l. Luxembourg, Luxembourg
  - ASIA CREDIT BOND FUND Fund · Luxembourg, Luxembourg
  - Capital Allocation Fund Fund · Luxembourg, Luxembourg
  - CHINA EVOLUTION EQUITY FUND Fund · Luxembourg, Luxembourg
  - DIVERSIFIED INCOME BOND FUND Fund · Luxembourg, Luxembourg
  - Dynamic Credit Fund Fund · Luxembourg, Luxembourg
  - Dynamic Emerging Markets Bond Fund Fund · Luxembourg, Luxembourg
  - DYNAMIC GLOBAL BOND FUND Fund · Luxembourg, Luxembourg
  - EMERGING MARKETS DISCOVERY EQUITY FUND Fund · Luxembourg, Luxembourg
  - Euro Corporate Buy & Maintain Bond Net Zero Transition Fund Fund · Luxembourg, Luxembourg
  - Euro Corporate Fixed Maturity Bond Fund Fund · Luxembourg, Luxembourg
  - FRONTIER MARKETS EQUITY FUND Fund · Luxembourg, Luxembourg
  - GLOBAL ALLOCATION FUND Fund · Luxembourg, Luxembourg
  - GLOBAL FOCUSED GROWTH EQUITY FUND Fund · Luxembourg, Luxembourg
  - GLOBAL GOVERNMENT BOND FUND Fund · Luxembourg, Luxembourg
  - GLOBAL HIGH INCOME BOND FUND Fund · Luxembourg, Luxembourg
  - Global Impact Equity Fund Fund · Luxembourg, Luxembourg
  - Global Impact Multi-Asset Fund Fund · Luxembourg, Luxembourg
  - Global Impact Short Duration Bond Fund Fund · Luxembourg, Luxembourg
  - GLOBAL INVESTMENT GRADE CORPORATE BOND FUND Fund · Luxembourg, Luxembourg
  - GLOBAL REAL ESTATE SECURITIES FUND Fund · Luxembourg, Luxembourg
  - GLOBAL SELECT EQUITY FUND Fund · Luxembourg, Luxembourg
  - GLOBAL STRUCTURED RESEARCH EQUITY FUND Fund · Luxembourg, Luxembourg
  - Global Technology Equity Fund Fund · Luxembourg, Luxembourg
  - GLOBAL VALUE EQUITY FUND Fund · Luxembourg, Luxembourg
  - Retirement Allocation Fund - 2 Fund · Luxembourg, Luxembourg
  - and 48 more
- T. Rowe Price Associates, Inc. Baltimore, Maryland, United States
  - T. Rowe Price International Ltd Subsidiary
  - International Common Trust Fund Fund · Baltimore, Maryland, United States
  - T. Rowe Price Active Core U.S. Equity ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Capital Appreciation and Income Fund Fund · Baltimore, Maryland, United States
  - T. Rowe Price Capital Appreciation Equity ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Capital Appreciation Fixed Income ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Core Plus Municipal Bond Fund Fund · Baltimore, Maryland, United States
  - T. Rowe Price Diversified Mid-Cap Growth Trust Fund · Baltimore, Maryland, United States
  - T. Rowe Price Dynamic Emerging Markets Bond ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Emerging Markets Equity Research ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Goldman Sachs Private Markets Fund Fund · Baltimore, Maryland, United States
  - T. ROWE PRICE GROWTH ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Health Care ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Health Sciences Portfolio Fund · Baltimore, Maryland, United States
  - T. Rowe Price Hedged Equity ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price High Income Municipal ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Innovation Leaders ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Institutional Large-Cap Core Growth Fund Fund · Baltimore, Maryland, United States
  - T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Trust Fund · Baltimore, Maryland, United States
  - T. Rowe Price International Discovery Fund Fund · Baltimore, Maryland, United States
  - T. Rowe Price International Equity ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price International Equity Research ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Long Municipal Income ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Mid-Cap Equity Research ETF Fund · Baltimore, Maryland, United States
  - T. Rowe Price Multi-Sector Income ETF Fund · Baltimore, Maryland, United States
  - and 243 more
- T. ROWE PRICE AUSTRALIA LIMITED Sydney, Australia
- T. Rowe Price Investment Management, Inc. Baltimore, Maryland, United States
- T. ROWE PRICE SINGAPORE PRIVATE LTD. Singapore, Singapore
- T. ROWE PRICE UK LIMITED London, United Kingdom
  - ASIAN OPPORTUNITIES EQUITY FUND Fund · London, United Kingdom
  - CHINA EVOLUTION EQUITY FUND Fund · London, United Kingdom
  - EMERGING MARKETS DISCOVERY EQUITY FUND Fund · London, United Kingdom
  - Global Dividend Equity Fund Fund · London, United Kingdom
  - GLOBAL FOCUSED GROWTH EQUITY FUND Fund · London, United Kingdom
  - GLOBAL HIGH YIELD OPPORTUNITIES BOND FUND Fund · London, United Kingdom
  - GLOBAL IMPACT CREDIT FUND Fund · London, United Kingdom
  - GLOBAL IMPACT EQUITY FUND Fund · London, United Kingdom
  - Global Select Equity Fund Fund · London, United Kingdom
  - GLOBAL TECHNOLOGY EQUITY FUND Fund · London, United Kingdom
  - Japanese Equity Fund Fund · London, United Kingdom
  - T. ROWE PRICE FUNDS OEIC Fund · London, United Kingdom
    - 6 more
  - US All-cap Opportunities Equity Fund Fund · London, United Kingdom
  - US Equity Fund Fund · London, United Kingdom
  - US LARGE CAP GROWTH EQUITY FUND Fund · London, United Kingdom
  - US LARGE CAP VALUE EQUITY FUND Fund · London, United Kingdom
  - US Smaller Companies Equity Fund Fund · London, United Kingdom
- TRPH CORPORATION Baltimore, Maryland, United States
- 普徠仕香港有限公司 Hong Kong, Hong Kong
  - T. Rowe Price Intermediate Term Common Trust Fund Fund · Hong Kong, Maryland, Hong Kong
- 株式会社ティー・ロウ・プライス・ジャパン千代田区, Japan
- Mattel Stake · 13.76% · El Segundo, California, United States
  - American Girl Subsidiary
  - Mattel Films Subsidiary · El Segundo
  - Mattel Television Subsidiary · United States
    - 1 more
  - Mattel163 Subsidiary · El Segundo
  - Mega Brands Subsidiary · Montreal, Quebec, Canada
  - Mega Brands America Subsidiary · Irvine
  - Tyco Toys Subsidiary · Woodbury Heights
  - American Girl Brands, LLC Subsidiary · Delaware, United States
  - Fisher-Price, Inc. Subsidiary · Delaware, United States
  - HiT Entertainment, LLC Subsidiary · Delaware, United States
  - Mattel - Arts Music Subsidiary
  - Mattel Asia Pacific Sourcing Limited Subsidiary · Hong Kong
  - Mattel Direct Import, Inc. Subsidiary · Delaware, United States
  - MATTEL EUROPA B.V. Subsidiary · Amstelveen, Netherlands
  - Mattel Europe Holdings B.V. Subsidiary · Netherlands
  - Mattel Europe Marketing B.V. Subsidiary · Netherlands
  - MATTEL INTERNATIONAL FINANCE B.V. Subsidiary · Amstelveen, Netherlands
  - Mattel International Holdings B.V. Subsidiary · Netherlands
  - Mattel International Licensing, LLC Subsidiary · Delaware, United States
  - Mattel Marketing Holdings Pte. Ltd. Subsidiary · Singapore
  - Mattel Overseas Operations Ltd. Subsidiary · Bermuda
  - Mattel Overseas, LLC Subsidiary · California, United States
  - Mattel Sales Corp. Subsidiary · California, United States
  - Mattel Toys (India) Private Limited Subsidiary · Mumbai, India
  - PT MATTEL INDONESIA Subsidiary · El Segundo, California, United States
  - and 1 more
- Danaher Corporation Stake · 12.09% · Washington, the District of Columbia, United States
  - Danaher (China) Subsidiary · Shanghai, People's Republic of China
  - Nobel Biocare Subsidiary · Kloten, Switzerland
  - Teletrac Subsidiary · Santa Ana, California, United States
  - AB Sciex Finance B.V. Subsidiary · Netherlands
  - AB Sciex LLC Subsidiary · Delaware, United States
  - Abcam Inc. Subsidiary · Massachusetts, United States
  - Abcam Trading (Shanghai) Co., Ltd Subsidiary · China
  - Aldevron LLC Subsidiary · North Dakota, United States
  - Aldevron Madison LLC Subsidiary · North Dakota, United States
  - BC Distribution B.V. Subsidiary · Netherlands
  - Beckman Coulter Biomedical GmbH Subsidiary · Germany
  - Beckman Coulter Biotechnology (Suzhou) Co., Ltd. Subsidiary · China
  - Beckman Coulter Canada LP Subsidiary · Canada
  - Beckman Coulter Commercial Enterprise (China) Co., Ltd. Subsidiary · China
  - Beckman Coulter France S.A.S. Subsidiary · France
  - Beckman Coulter Genomics Inc. Subsidiary · Delaware, United States
  - Beckman Coulter GmbH Subsidiary · Germany
  - Beckman Coulter Hong Kong Limited Subsidiary · Hong Kong
  - Beckman Coulter India Private Limited Subsidiary · India
  - Beckman Coulter International S.A. Subsidiary · Switzerland
  - Beckman Coulter International Trading (Shanghai) Co., Ltd. Subsidiary · China
  - Beckman Coulter Ireland Inc. Subsidiary · Ireland
  - Beckman Coulter K.K. Subsidiary · Japan
  - Beckman Coulter Korea Ltd. Subsidiary · South Korea
  - Beckman Coulter Laboratory Systems (Suzhou) Co. Ltd. Subsidiary · China
  - and 116 more
- Boeing Stake · 12% · Wilmington, Delaware, United States
  - United Launch Alliance Subsidiary · 50% · Centennial
  - Aurora Flight Sciences Subsidiary · Manassas
    - 1 more
  - Boeing Australia Subsidiary · Brisbane
  - Boeing Commercial Airplanes Subsidiary · Chicago
    - 1 more
  - Boeing Defense, Space & Security Subsidiary · Berkeley
    - 1 more
  - Boeing International Corporation India Private Limited Subsidiary
  - Boeing NeXt Subsidiary · Manassas
  - Boeing Rotorcraft Systems Subsidiary · United States
  - Boeing Spain Subsidiary · Madrid, Spain
  - Boeing UK Subsidiary · London
  - Jeppesen Subsidiary · Inverness
  - McDonnell Douglas Subsidiary · St. Louis
    - 1 more
  - Millennium Space Systems Subsidiary · El Segundo, United States
  - Spectrolab Subsidiary
  - Alteon Training Subsidiary · United States
  - Astro Limited Subsidiary · Bermuda
  - Astro-II, Inc. Subsidiary · Vermont, United States
  - Aviall, Inc. Subsidiary · Delaware, United States
  - Boeing Aerospace Operations, Inc. Subsidiary · Delaware, United States
  - Boeing Aircraft Holding Company Subsidiary · Delaware, United States
  - Boeing Australia Holdings Proprietary Limited Subsidiary · Australia
  - Boeing Canada Subsidiary · Canada
  - BOEING CAPITAL CORPORATION Subsidiary · Renton, Washington, United States
  - Boeing Defence Australia Ltd Subsidiary · Australia
  - BOEING DEFENCE UK LIMITED Subsidiary · London, United Kingdom
  - and 12 more
- Tesla Stake · 6.01% · Austin, Texas, United States
  - 412 more
- Morgan Stanley Stake · 5.3% · New York, New York, United States
  - SOLIUM CAPITAL UK LIMITED London, United Kingdom
    - 3 more
  - ASHBRIDGE ANNEX FUND I LP Subsidiary · West Conshohocken, Pennsylvania, United States
  - ATSF II AGGREGATOR (ONTARIO), LP Subsidiary · Toronto, Ontario, Canada
  - Bayforest CAV Master, LP Subsidiary · West Conshohocken, Pennsylvania, United States
  - IPM CAV MASTER, LP Subsidiary · George Town, Cayman Islands
  - Lakeside Aurora Oy Subsidiary · Helsinki, Finland
  - MDN Finance Company S.a r.l. (MDN Finance Company S.à r.l.) Subsidiary · Luxembourg, Luxembourg
  - MORGAN STANLEY CAPITAL I INC. Subsidiary · New York, New York, United States
  - Morgan Stanley Futures (China) Co., Ltd. Subsidiary · 北京, China
  - MORGAN STANLEY MUNICIPAL FUNDING INC. Subsidiary · New York, New York, United States
  - Morgan Stanley Services Canada Holding Corp. Subsidiary · Wilmington, Delaware, United States
  - MORGAN STANLEY VENTURE CAPITAL III, INC. Subsidiary · New York, New York, United States
    - 1 more
  - MSREI XI Global-GP S.a r.l. (MSREI XI Global-GP S.à r.l.) Subsidiary · Luxembourg, Luxembourg
  - NHPEA V (BVI) Limited Subsidiary · Road Town, British Virgin Islands
  - NHPEA V Fizz (BVI) Limited Subsidiary · Road Town, British Virgin Islands
  - NHPEA V Kiwi (BVI) Limited Subsidiary · Road Town, British Virgin Islands
  - NHPEA V Shelter (BVI) Limited Subsidiary · Road Town, British Virgin Islands
  - NHPEA V Silver (BVI) Limited Subsidiary · Road Town, British Virgin Islands
  - NHPEA V Unicorn (BVI) Limited Subsidiary · Road Town, British Virgin Islands
  - NHTV II OFFSHORE AGGREGATOR LP Subsidiary · Kitchener, Ontario, Canada
  - NHTV II ONSHORE AGGREGATOR LP Subsidiary · New York, New York, United States
  - NORTH HAVEN CAPITAL PARTNERS VII LP Subsidiary · New York, New York, United States
  - North Haven Infrastructure Partners IV Hedging SCSp Subsidiary · New York, New York, United States
  - NORTH HAVEN REAL ESTATE FUND X GLOBAL (U.S.) HOLDING, L.P. Subsidiary · New York, New York, United States
  - NORTH HAVEN REAL ESTATE FUND X GLOBAL INTERNATIONAL HOLDING, L.P. Subsidiary · New York, New York, United States
  - and 159 more
- OTP Bank Stake · 5.18% · Budapest, Hungary
  - 71 more
- Zalando Stake · 4.91% · Berlin, Germany
  - 7 more
- Oak Hill Advisors (Australia) Pty Ltd Subsidiary · Australia
- Oak Hill Advisors (Europe), LLP Subsidiary · United Kingdom
- Oak Hill Advisors (Hong Kong Services) Limited Subsidiary · Hong Kong
- Oak Hill Advisors (Hong Kong) Limited Subsidiary · Hong Kong
- Oak Hill Advisors (U.K. Services (No.2)), Limited Subsidiary · United Kingdom
- Oak Hill Advisors (U.K. Services), Limited Subsidiary · United Kingdom
- Oak Hill Advisors Sarl Luxembourg Subsidiary · Luxembourg
- OHA (UK), LLP Subsidiary · United Kingdom
- and 21 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0); owners and owned firms from Form ADV, the registration investment advisers file with the SEC. Each entity in the chart links to its source.

Investment adviser

OAK HILL ADVISORS LP is registered with the SEC as an investment adviser. This is what it reports on Form ADV, the registration every adviser files and keeps current.

Assets it manages$100.7B³ 184 accounts, all with discretion
Employees435 113 in investment advice or research
ClientsPooled investment vehicles (other than investment companies and: 100 ($77.6B); Pension and profit sharing plans (but not the plan participants or: 20 ($8.3B); Sovereign wealth funds and foreign official institutions: 10 ($6.9B); Other: FAMILY OFFICES: 11 ($4.2B); State or municipal government entities (including government pension: 5 ($2.1B); Insurance companies: 6 ($1.6B)
How it is paidA percentage of assets under its management; Fixed fees (other than subscription fees); Performance-based fees; Other: DIRECTORS FEES, TRANSACTION FEES, IN-HOUSE PROFESSIONAL COSTS
What it doesPortfolio management for pooled investment vehicles (other than investment companies); Portfolio management for businesses (other than small businesses) or institutional clients (other than registered investment companies and other pooled investment vehicles)
Holds client assetsYes: cash and securities
RegistrationSEC 801-62894, CRD 125352 IAPD record

Who owns it

Owners of 5% or more as the firm lists them (Schedule A), and the owners of those owners up the chain (Schedule B).

OAK HILL ADVISORS GENPAR, L.P.owns 25% to 50%, since 04/2005
OHA GENPAR PRINCIPAL INVESTORS, L.P.owns 10% to 25%, since 12/2021
OMEGA MERGER SUB 3, LLCowns 10% to 25%, since 12/2021
T. ROWE PRICE ASSOCIATES, INC.owns 10% to 25%, since 12/2021
WSI OHA LLCowns 10% to 25%, since 02/2018
T. ROWE PRICE GROUP, INC. (public company)owns general partner, trustee or manager of OHA GENPAR, since 12/2021
T. ROWE PRICE ASSOCIATES, INC.owns 75% or more of OHA GENPAR, since 12/2021
T. ROWE PRICE ASSOCIATES, INC.owns 75% or more of WSI OHA LLC, since 12/2021
T. ROWE PRICE GROUP, INC. (public company)owns 75% or more of T. ROWE PRICE, since 12/2021

Timeline

Aug 31, 1999Founded OAK HILL ADVISORS LP is founded²

Filings

36 filings to the SEC since October 2021: 36 other. The latest 20:

The 36 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Stakes it holds

OAK HILL ADVISORS LP has told the SEC it owns more than 5% of 5 companies, latest first (Schedules 13D and 13G).

Valaris plcSCHEDULE 13D/A Aug 9, 2023 to Aug 12, 2026⁴
EXPRO GROUP HOLDINGS N.V.SCHEDULE 13D/A Oct 12, 2021 to Apr 21, 2026⁵
Emergent BioSolutionsSC 13G Nov 13, 2024⁶
Weatherford International plcSC 13G/A Feb 14, 2022 to Feb 13, 2023⁷
iHeartMediaSC 13G Feb 13, 2023⁸

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGAROAK HILL ADVISORS LP filings on SEC EDGAR
2
GLEIFOAK HILL ADVISORS LP LEI record (41OEWS9I9GYRDB1SZ042)
3
SEC EDGAROAK HILL ADVISORS LP: Form ADV (Investment Adviser Public Disclosure, CRD 125352)
4
SEC EDGAROAK HILL ADVISORS LP SCHEDULE 13D/A on Valaris plc
5
SEC EDGAROAK HILL ADVISORS LP SCHEDULE 13D/A on EXPRO GROUP HOLDINGS N.V.
6
SEC EDGAROAK HILL ADVISORS LP SC 13G on Emergent BioSolutions
7
SEC EDGAROAK HILL ADVISORS LP SC 13G/A on Weatherford International plc
8
SEC EDGAROAK HILL ADVISORS LP SC 13G on iHeartMedia