AltMountain

Opus Fund Services

Private fund administrator · 294 private funds on SEC Form ADV

Advisers' Form ADV filings name Opus Fund Services as administrator to 294 and custodian to 3 private funds, 294 funds in all. It ranks No. 29 of 588 administrators by number of private funds served.

Rankings

Funds served, by type

  • Hedge funds187
  • Private equity funds67
  • Other private funds18
  • Venture capital funds13
  • Real estate funds8
  • Liquidity funds1

Where its clients are

State of the funds' U.S. advisers.

  • New York66
  • California39
  • Florida35
  • Massachusetts17
  • Texas16
  • New Jersey12
  • Pennsylvania12
  • Connecticut11
  • Georgia7
  • Illinois4
  • Virginia3
  • Puerto Rico3

Where the funds are organized

  • United States259
  • Cayman Islands30
  • Canada2
  • Ireland2
  • Bermuda1

Private funds that name Opus Fund Services (75 listed here)

Fund
Gross assets
Minimum
Owners
Adviser
Rhinegold LTD.
Cayman IslandsHedge fund
Gross assets$25B
Minimum$1.0M
Owners498
AdviserHaidar Capital Management LLC
Global Strategic Risk Management Master LP
Cayman IslandsHedge fund
Gross assets$1.5B
Minimum$2.0M
Owners70
AdviserGlobal Strategic Risk Management, LLC
Aventail Energy Master Fund, LP
Cayman IslandsHedge fund
Gross assets$1.1B
Minimum$1.0M
Owners67
AdviserAventail Capital Group, LP
Aigh Investment Partner, LP
Delaware, United StatesPrivate equity fund
Gross assets$240M
Minimum$1.0M
Owners90
AdviserAigh Capital Management, LLC
Kenure ICAV - Albemarle Shipping Fund
IrelandHedge fund
Gross assets$182M
Minimum$100K
Owners55
AdviserFinex LLP
WA Market Directional Hedge Fund, LLC
Delaware, United StatesHedge fund
Gross assets$179M
Minimum$25K
Owners36
AdviserWindrose Advisors LLC
WA Absolute Return Hedge Fund, LLC
Delaware, United StatesHedge fund
Gross assets$162M
Minimum$25K
Owners38
AdviserWindrose Advisors LLC
WA Global Equity Fund, LLC
Delaware, United StatesLiquidity fund
Gross assets$124M
Minimum$25K
Owners30
AdviserWindrose Advisors LLC
Clear Haven-Umf Fund, LP
Delaware, United StatesHedge fund
Gross assets$122M
Minimum$1.0M
Owners2
AdviserClear Haven Capital Management, LLC
Stony Point Capital Partners Master Fund LP
Cayman IslandsHedge fund
Gross assets$120M
Minimum$1.0M
Owners38
AdviserStony Point Capital
Sabby Volatility Warrant Master Fund, LTD.
Cayman IslandsPrivate equity fund
Gross assets$117M
Minimum$300K
Owners73
AdviserSabby Management, LLC
Goahead Ventures I Parallel LP
Cayman IslandsVenture capital fund
Gross assets$98.4M
Minimum$50K
Owners3
AdviserGoahead Mage Company, L.L.C.
Cataria Long/Short Equity Master Fund, LP
Cayman IslandsHedge fund
Gross assets$93.3M
Minimum$1.0M
Owners37
AdviserCataria Capital Management LP
Pavise Equity Partners Master Fund LP
Cayman IslandsHedge fund
Gross assets$89.5M
Minimum$1.0M
Owners21
AdviserPavise Capital Management LLC
WA Real Assets Fund LLC
Delaware, United StatesReal estate fund
Gross assets$77.0M
Minimum$25K
Owners37
AdviserWindrose Advisors LLC
Lido Advisors Colossus Master Fund, L.P. - Cb III Onshore
Delaware, United StatesPrivate fund
Gross assets$73.1M
Minimum$50K
Owners171
AdviserLido
Once Capital Management Fund, LP
Delaware, United StatesHedge fund
Gross assets$69.4M
Minimum$5.0M
Owners3
AdviserOnce Capital Management, LLC
Cavalry Fund I LP
Delaware, United StatesHedge fund
Gross assets$69.3M
Minimum$1.0M
Owners78
AdviserCavalry Fund I Management, LLC
Empery Asset Master, LTD
Cayman IslandsHedge fund
Gross assets$59.1M
Minimum$1.0M
Owners51
AdviserEmpery Asset Management, LP
Once Capital Management Fund II, LP
Delaware, United StatesHedge fund
Gross assets$57.5M
Minimum$5.0M
Owners2
AdviserOnce Capital Management, LLC
WA Private Equity Fund V, LLC
Delaware, United StatesPrivate equity fund
Gross assets$57.2M
Minimum$25K
Owners9
AdviserWindrose Advisors LLC
Colchis Income Offshore Master Fund, L.P.
Cayman IslandsHedge fund
Gross assets$51.5M
Minimum$1.0M
Owners212
AdviserColchis Capital Management, L.P.
WA Private Equity Fund VI, LLC
Delaware, United StatesPrivate equity fund
Gross assets$51.1M
Minimum$25K
Owners15
AdviserWindrose Advisors LLC
Accial Capital Fund 1, LLC
Delaware, United StatesHedge fund
Gross assets$45.9M
Minimum$1.0M
Owners36
AdviserAccial Capital Management LLC
WA Private Equity Fund VII, LLC
Delaware, United StatesPrivate equity fund
Gross assets$45.1M
Minimum$25K
Owners15
AdviserWindrose Advisors LLC
Once Capital Management Fund III, LP
Delaware, United StatesHedge fund
Gross assets$36.4M
Minimum$5.0M
Owners2
AdviserOnce Capital Management, LLC
NMSF LP
Delaware, United StatesHedge fund
Gross assets$35.2M
MinimumNone set
Owners2
AdviserThird North Capital LP
Goahead Ventures Fund I LP
Cayman IslandsVenture capital fund
Gross assets$34.8M
Minimum$50K
Owners33
AdviserGoahead Mage Company, L.L.C.
Avondale ICAV - the Partners' Fund
IrelandHedge fund
Gross assets$34.8M
Minimum$100K
Owners15
AdviserFinex LLP
VFO Alternative Investment Fund
Cayman IslandsPrivate fund
Gross assets$32.1M
Minimum$100K
Owners55
AdviserVirtus Family Office
WA Private Equity Fund IX, LLC
Delaware, United StatesPrivate equity fund
Gross assets$31.6M
MinimumNone set
Owners19
AdviserWindrose Advisors LLC
Ultra Blue Capital Systematic Diversified Fund, L.P.
Delaware, United StatesHedge fund
Gross assets$31.4M
Minimum$1.0M
Owners2
AdviserUltra Blue Capital, LLC
Blackbird Quant Fund I LP
Delaware, United StatesVenture capital fund
Gross assets$30.0M
MinimumNone set
Owners10
AdviserBlackbird LLC
Golden Eagle Growth Master Fund, LP
Cayman IslandsHedge fund
Gross assets$29.5M
Minimum$250K
Owners2
AdviserGolden Eagle Strategies, LLC
Lizard International Master Fund L.P.
Cayman IslandsHedge fund
Gross assets$29.5M
Minimum$1.0M
Owners24
AdviserLizard Investors LLC
Pinnacle Hill Holdings LP
Delaware, United StatesHedge fund
Gross assets$27.1M
Minimum$100K
Owners9
AdviserPinnacle Hill Partners LP
Back Mountain Productions LP
Delaware, United StatesPrivate equity fund
Gross assets$25.1M
Minimum$1.0M
Owners1
AdviserRidgeline Productions LLC
Marchmont Global Master Fund, LP
Cayman IslandsHedge fund
Gross assets$23.0M
Minimum$1.0M
Owners7
AdviserMarchmont Global Management, LP
WA Private Equity Fund X, LLC
Delaware, United StatesPrivate equity fund
Gross assets$23.0M
Minimum$25K
Owners28
AdviserWindrose Advisors LLC
WA Private Equity Fund VIII, LLC
Delaware, United StatesPrivate equity fund
Gross assets$22.1M
MinimumNone set
Owners15
AdviserWindrose Advisors LLC
PLP Drawdown, LP
Delaware, United StatesHedge fund
Gross assets$21.7M
Minimum$2.5M
Owners2
AdviserPleasant Lake Partners LLC
Mutual Capital Parallel Fund (1), L.P.
Delaware, United StatesPrivate equity fund
Gross assets$20.8M
Minimum$1.0M
Owners8
AdviserMutual Capital Investment Advisors, LLC
RPD Fortess Fund LP
Delaware, United StatesHedge fund
Gross assets$18.1M
Minimum$1.0M
Owners10
AdviserRPD Fund Management LLC
Emerald Financial Services Private Equity Fund 1
Delaware, United StatesPrivate equity fund
Gross assets$16.3M
Minimum$1.0M
Owners15
AdviserEmerald Separate Account Management LLC
Mapleseed International Productions LP
Cayman IslandsPrivate equity fund
Gross assets$14.3M
Minimum$1.0M
Owners2
AdviserRidgeline Productions LLC
Lido Advisors Colossus Master Fund, L.P. - Cb III Offshore
Delaware, United StatesPrivate fund
Gross assets$13.9M
Minimum$50K
Owners103
AdviserLido
ACM Enhanced Municipal Income Fund, LP
Delaware, United StatesHedge fund
Gross assets$13.5M
Minimum$1.0M
Owners44
AdviserAckerman Capital Management
Gray Charitable Trust - Goldman Sachs Account
Pennsylvania, United StatesHedge fund
Gross assets$13.3M
Minimum$250K
Owners1
AdviserStrafford Capital Management, LLC
Lido Advisors Colossus Master Fund, L.P. - Adc Fund II
Delaware, United StatesPrivate equity fund
Gross assets$13.0M
Minimum$50K
Owners91
AdviserLido
Ajay Focus Fund, LP
Delaware, United StatesHedge fund
Gross assets$12.7M
Minimum$250K
Owners20
AdviserOccam Crest Management LP
Colchis Opportunities Master Fund, L.P.
Cayman IslandsVenture capital fund
Gross assets$11.7M
Minimum$500K
Owners44
AdviserColchis Capital Management, L.P.
Explorador Panam Horizon Fund, LP
Delaware, United StatesHedge fund
Gross assets$11.5M
Minimum$50K
Owners27
AdviserExplorador Capital Management, LLC
Lido Advisors Colossus Master Fund, L.P. - Landmark Equity XVII
Delaware, United StatesPrivate equity fund
Gross assets$10.2M
Minimum$50K
Owners44
AdviserLido
Sabby Healthcare Master Fund, LTD.
Cayman IslandsHedge fund
Gross assets$10.1M
Minimum$500K
Owners28
AdviserSabby Management, LLC
Mapleseed Productions LP
Delaware, United StatesPrivate equity fund
Gross assets$9.3M
Minimum$1.0M
Owners2
AdviserRidgeline Productions LLC
WA Private Equity Fund XI, LLC
Delaware, United StatesPrivate equity fund
Gross assets$9.2M
Minimum$25K
Owners32
AdviserWindrose Advisors LLC
Peak Ten Master Fund, LTD.
Cayman IslandsHedge fund
Gross assets$9.1M
Minimum$1.0M
Owners8
AdviserPeak Capital Advisors
WCM Global Opportunity Fund, LP
Delaware, United StatesHedge fund
Gross assets$8.6M
Minimum$250K
Owners10
AdviserWCM Global Wealth, LLC
Sibilla Capital Master Fund LLC
Delaware, United StatesHedge fund
Gross assets$8.0M
Minimum$1.0M
Owners7
AdviserSibilla Capital Management LLC
Fairbridge Partners Cayman LP
Cayman IslandsReal estate fund
Gross assets$7.7M
Minimum$100K
Owners10
AdviserFairbridge Asset Management LLC
FNX Cayman SPC - Three Body Fund SP
Cayman IslandsHedge fund
Gross assets$7.5M
Minimum$100K
Owners9
AdviserFinex LLP
Surefire Active Credit, LP
Delaware, United StatesHedge fund
Gross assets$7.0M
Minimum$250K
Owners10
AdviserSurefire Capital
Secured Accial Impact Lending Fund LP
CanadaHedge fund
Gross assets$6.8M
Minimum$75K
Owners35
AdviserAccial Capital Management LLC
Seven Grand Partners, LLC
Delaware, United StatesHedge fund
Gross assets$4.5M
Minimum$250K
Owners10
AdviserSeven Grand Managers LLC
WA Private Natural Resources Fund V, LLC
Delaware, United StatesPrivate equity fund
Gross assets$3.5M
Minimum$25K
Owners27
AdviserWindrose Advisors LLC
Intrepid New Leaf, L.P.
Delaware, United StatesHedge fund
Gross assets$2.6M
Minimum$500K
Owners23
AdviserIntrepid Capital Management Inc
WA Private Credit Fund IV, LLC
Delaware, United StatesPrivate equity fund
Gross assets$2.3M
Minimum$25K
Owners31
AdviserWindrose Advisors LLC
WA Private Equity Fund XII, LLC
Delaware, United StatesPrivate equity fund
Gross assets$2.1M
Minimum$25K
Owners31
AdviserWindrose Advisors LLC
Blackpoint Lt Partners LLC
Delaware, United StatesHedge fund
Gross assets$1.6M
Minimum$25K
Owners25
AdviserSkyview Investment Advisors, LLC
W11 Genesis I, LP
Delaware, United StatesVenture capital fund
Gross assets$977K
MinimumNone set
Owners13
AdviserW11 Capital Management, LLC
Modum Volatility Risk Premium Fund Limited Partnership
CanadaHedge fund
Gross assets$482K
Minimum$25K
Owners13
AdviserModum Asset Management LLC
Lendingrobot Series, LLC - Lrd
Delaware, United StatesHedge fund
Gross assets$173K
Minimum$250K
Owners1
AdviserNSR Invest
Martin Capital Growth Opportunity Fund, LP
Delaware, United StatesPrivate equity fund
Gross assets$0
Minimum$1.0M
Owners1
AdviserEntoro Investments, LLC
Lotus Domaine III-A LP
Delaware, United StatesPrivate equity fund
Gross assets$0
MinimumNone set
Owners10
AdviserLotus Domaine Management LLC
Camofi Master Ldc
Cayman IslandsHedge fund
Gross assets$0
Minimum$1.0M
Owners0
AdviserCentrecourt Asset Management LLC

219 more funds name Opus Fund Services: feeder funds, single-deal vehicles and funds listed from Form D, shown on their own or their adviser's pages.

Names as filed

Opus Fund Services; Opus Fund Services (Bermuda) LTD.; Opus Fund Services (USA) LLC; Opus Fund Services (Bermuda) LTD; Opus Fund Services (USA), LLC; Opus Fund Services (Ire-Admin) Limited; Opus Fund Services LLC; Opus Fund Services LTD.; Opus Fund Services (Berumuda) LTD.; Opus Fund Services (Bermuda), LTD; Opus Fund Administrators; Opus Fund Services LTD

From SEC filings, not verified. Counts are the number of private funds whose adviser names the firm in that role on Form ADV (Schedule D, Section 7.B.(1)), in the SEC's public Form ADV data through filings made by Dec 26, 2024. A fund can name several firms in the same role. Names are grouped automatically (spelling variants and, for the largest firms, their affiliated entities), which can be incomplete. Rankings count funds only; they do not reflect quality, assets served or fees, and are not a recommendation. Corrections: hello@altmountain.com.