GC Opal Advisors LLC is an SEC-registered investment adviser based in Chicago, IL that reports managing 21 hedge funds on Form ADV. It reports $124.3 billion in regulatory assets under management. Its private funds, of all types, hold $128.0 billion in gross assets.
- Regulatory assets under management
- $124.3 billionForm ADV Item 5.F
- Gross assets of private funds
- $128.0 billionAll private fund types, Form ADV
- Hedge funds managed
- 2192 private funds in total
- Employees
- 1,087Form ADV Item 5.A
- Registration
- SEC-registered adviserCRD 289425
- Latest Form ADV
- 08/28/2026Disciplinary disclosures: none reported
Private funds reported on Form ADV (79)
Fund
Gross assets
Minimum
Owners
Adviser
GCP Hs Fund
Delaware, United StatesHedge fund
Gross assets$28B
MinimumNone set
Owners16
AdviserGC Opal Advisors LLC
GCP Master Holdings, LP
Cayman IslandsHedge fund
Gross assets$19B
MinimumNone set
Owners16
AdviserGC Opal Advisors LLC
Golub Capital Partners International 14, L.P.
Cayman IslandsHedge fund
Gross assets$2.8B
MinimumNone set
Owners763
AdviserGC Opal Advisors LLC
Golub Capital Partners International 12, L.P.
Cayman IslandsHedge fund
Gross assets$2.4B
MinimumNone set
Owners1,402
AdviserGC Opal Advisors LLC
GCP Finance 7 L.P.
Delaware, United StatesHedge fund
Gross assets$2.1B
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners International 11, L.P.
Cayman IslandsHedge fund
Gross assets$2.0B
MinimumNone set
Owners1,457
AdviserGC Opal Advisors LLC
GC International Ladder LTD.
Cayman IslandsHedge fund
Gross assets$1.8B
Minimum$100K
Owners15
AdviserGC Opal Advisors LLC
GCP Finance 8 L.P.
Cayman IslandsHedge fund
Gross assets$1.4B
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 69(M)
Delaware, United StatesSecuritized asset fund
Gross assets$1.4B
Minimum$150K
Owners2
AdviserGC Opal Advisors LLC
GCP Finance L.P.
Cayman IslandsHedge fund
Gross assets$1.3B
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 18(M)-R2
Cayman IslandsSecuritized asset fund
Gross assets$1.2B
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners International 10, L.P.
Cayman IslandsHedge fund
Gross assets$1.1B
MinimumNone set
Owners359
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 59(M)
Delaware, United StatesSecuritized asset fund
Gross assets$1.1B
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 65(M)
Delaware, United StatesSecuritized asset fund
Gross assets$1.0B
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 57(M)
Delaware, United StatesSecuritized asset fund
Gross assets$1.0B
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 56(M)
Delaware, United StatesSecuritized asset fund
Gross assets$972M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners International Rollover Fund 2, L.P.
Cayman IslandsHedge fund
Gross assets$945M
MinimumNone set
Owners190
AdviserGC Opal Advisors LLC
GCP Finance 6 L.P.
Cayman IslandsHedge fund
Gross assets$932M
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital International LTD.
Cayman IslandsHedge fund
Gross assets$863M
MinimumNone set
Owners15
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 36(M), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$838M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 38(M), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$837M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 33(M)-R2, L.P.
Cayman IslandsSecuritized asset fund
Gross assets$813M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners Short Duration 2022-1
Delaware, United StatesSecuritized asset fund
Gross assets$798M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 44(M), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$797M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 17(M)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$792M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
GCP Finance 2 L.P.
Cayman IslandsHedge fund
Gross assets$774M
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 42(M), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$772M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 16(M)-R2, L.P.
Cayman IslandsSecuritized asset fund
Gross assets$771M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 49(M)-R
Cayman IslandsSecuritized asset fund
Gross assets$762M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 45(M), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$754M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Opal Bsl LLC (Retention Series)
Delaware, United StatesHedge fund
Gross assets$750M
MinimumNone set
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 61(M)
Delaware, United StatesSecuritized asset fund
Gross assets$715M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 21(M)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$714M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 24(M)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$708M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 30(M)-R
Cayman IslandsSecuritized asset fund
Gross assets$686M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 54(M), L.P.
Cayman IslandsSecuritized asset fund
Gross assets$664M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 47(M), L.P.
Cayman IslandsSecuritized asset fund
Gross assets$634M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners ABS Funding 2021-2
Delaware, United StatesSecuritized asset fund
Gross assets$631M
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 51(M), L.P.
Cayman IslandsSecuritized asset fund
Gross assets$614M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
GCP Finance 9 L.P.
Cayman IslandsHedge fund
Gross assets$596M
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners ABS Funding 2019-1, L.P.
Cayman IslandsSecuritized asset fund
Gross assets$587M
Minimum$100K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 48(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$575M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 55(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$571M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 50(B)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$571M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 25(M)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$570M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 28(M)-R, L.P.
Cayman IslandsSecuritized asset fund
Gross assets$563M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 19(B)-R2, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$550M
Minimum$250K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 23(B)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$546M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 68(B), LTD.
JerseySecuritized asset fund
Gross assets$541M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
GCP International Tranches LTD.
Cayman IslandsHedge fund
Gross assets$505M
Minimum$250K
Owners10
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 31(M)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$504M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners ABS Funding 2021-1, L.P.
Cayman IslandsSecuritized asset fund
Gross assets$490M
Minimum$100K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners ABS Funding 2022-1
Delaware, United StatesSecuritized asset fund
Gross assets$474M
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 34(M)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$469M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 53(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$465M
Minimum$100K
Owners2
AdviserGC Opal Advisors LLC
GCP Finance 11 L.P.
Cayman IslandsHedge fund
Gross assets$464M
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 41(B)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$463M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 22(B)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$460M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 40(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$455M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 70(B), LTD.
JerseySecuritized asset fund
Gross assets$450M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 64(B), LTD.
JerseySecuritized asset fund
Gross assets$445M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners Talf 2020-1, L.P.
Cayman IslandsSecuritized asset fund
Gross assets$427M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 62(B), LTD.
JerseySecuritized asset fund
Gross assets$420M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 66(B), LTD.
JerseySecuritized asset fund
Gross assets$419M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 37(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$418M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 43(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$416M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 52(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$416M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 46(M), L.P.
Cayman IslandsSecuritized asset fund
Gross assets$415M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 58(B), LTD.
Cayman IslandsSecuritized asset fund
Gross assets$413M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 60(B), LTD.
JerseySecuritized asset fund
Gross assets$412M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 67(M)
Delaware, United StatesSecuritized asset fund
Gross assets$408M
Minimum$150K
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 26(B)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$385M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners ABS Funding 2023-1
Delaware, United StatesSecuritized asset fund
Gross assets$364M
MinimumNone set
Owners2
AdviserGC Opal Advisors LLC
Golub Capital Partners CLO 35(B)-R, LTD.
Cayman IslandsSecuritized asset fund
Gross assets$332M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners ABS Funding 2020-1, L.P.
Cayman IslandsSecuritized asset fund
Gross assets$318M
Minimum$100K
Owners1
AdviserGC Opal Advisors LLC
Golub Capital Partners International 15, L.P.
Cayman IslandsHedge fund
Gross assets$282M
MinimumNone set
Owners45
AdviserGC Opal Advisors LLC
GCP CLO Warehouse Jp 2023, LTD.
JerseySecuritized asset fund
Gross assets$73.5M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
GCP CLO Warehouse Mu 2023, LTD.
JerseySecuritized asset fund
Gross assets$14.5M
Minimum$250K
Owners1
AdviserGC Opal Advisors LLC
Opal Bsl LLC (Eu Origination Series)
Delaware, United StatesHedge fund
Gross assets$505.0
MinimumNone set
Owners1
AdviserGC Opal Advisors LLC
As reported in the adviser's Form ADV filed Mar 30, 2024. Funds also listed from Form D are shown above.
From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures