Investment adviser · CRD 289550
BLACKSTONE ISG-II ADVISORS L.L.C.
Investment adviser filing (IA)
NEW YORK, NY, United States · Form ADV filed Mar 30, 2026
- Regulatory AUM
- $8.01B Form ADV · Item 5.F
- Client accounts
- 8 Accounts, not individual clients
- Employees
- 114 Reported in this filing
- Advisory professionals
- 44 Investment advisory functions
Who they report serving
Form ADV · Item 5.DClient types and their share of reported regulatory assets.
| Client type | Clients | Regulatory assets | Share of AUM |
|---|---|---|---|
| Pooled investment vehicles | 8 | $8,006,994,436 | 100.0% |
Filing source
Form ADV 2084567 · Mar 30, 2026 · Item 5.D
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
Private funds & service providers
6 Private fundsThe count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.
BLACKSTONE ISG INVESTMENT PARTNERS - A L.P.Private Equity Fund · Last reported Mar 30, 2026$2.48BGross asset value
Form D fundraising filings
Blackstone ISG Investment Partners - A L.P.
Provider details
- Annual audit
- Yes
- Prime brokers
- No
- Custodians
- Yes
- Administrator other than the adviser
- No
- External marketing
- No
DELOITTE & TOUCHE
PCAOB 34
BANK OF AMERICA, NA
LEI B4TYDEB6GKMZO031MB27
Fund details & source
- Fund ID
- 805-4857754201
- Reported beneficial owners
- 16
- Minimum commitment
- $0
- Form D file number
- 021-384254
Form ADV 2084567 · Mar 30, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
BLACKSTONE HARRINGTON PARTNERS L.P.Hedge Fund · Last reported Mar 30, 2026$1.52BGross asset value
Provider details
- Annual audit
- Yes
- Prime brokers
- No
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- No
DELOITTE & TOUCHE
PCAOB 34
BANK OF AMERICA, NA
LEI B4TYDEB6GKMZO031MB27
THE BANK OF NEW YORK MELLON
LEI HPFHU0OQ28E4N0NFVK49
Fund details & source
- Fund ID
- 805-8325055688
- Reported beneficial owners
- 2
- Minimum commitment
- $0
Form ADV 2084567 · Mar 30, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
BLACKSTONE WAVE ISSUER L.L.C.Private Equity Fund · Last reported Mar 30, 2026$1.3BGross asset value
Form D fundraising filings
Provider details
- Annual audit
- Yes
- Prime brokers
- No
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- No
DELOITTE & TOUCHE
PCAOB 34
WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09
Fund details & source
- Fund ID
- 805-6325346048
- Reported beneficial owners
- 13
- Minimum commitment
- $0
- Form D file number
- 021-376800
Form ADV 2084567 · Mar 30, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
BLACKSTONE COOPER ISSUER L.L.C.Private Equity Fund · Last reported Mar 30, 2026$836MGross asset value
Form D fundraising filings
Blackstone Cooper Issuer L.L.C.
Provider details
- Annual audit
- Yes
- Prime brokers
- No
- Custodians
- Yes
- Administrator other than the adviser
- No
- External marketing
- No
DELOITTE & TOUCHE LLP
PCAOB 34
CITCO BANK CANADA
LEI 549300U6C5DCBKSIEB26
CITIBANK, N.A.
LEI E57ODZWZ7FF32TWEFA76
Fund details & source
- Fund ID
- 805-2573609475
- Reported beneficial owners
- 7
- Minimum commitment
- $0
- Form D file number
- 021-524850
Form ADV 2084567 · Mar 30, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
BLACKSTONE DIVERSIFIED ALTERNATIVES ISSUER L.L.C.Securitized Asset Fund · Last reported Mar 30, 2026$816MGross asset value
Form D fundraising filings
Blackstone Diversified Alternatives Issuer L.L.C.
Provider details
- Annual audit
- Yes
- Prime brokers
- No
- Custodians
- Yes
- Administrator other than the adviser
- Yes
- External marketing
- No
DELOITTE & TOUCHE
PCAOB 34
WELLS FARGO BANK, N.A.
LEI KB1H1DSPRFMYMCUFXT09
Fund details & source
- Fund ID
- 805-7808929696
- Reported beneficial owners
- 11
- Minimum commitment
- $10K
- Form D file number
- 021-339909
Form ADV 2084567 · Mar 30, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
BLACKSTONE ISG INVESTMENT PARTNERS - R (BMU) L.P.Private Equity Fund · Last reported Mar 30, 2026$1.99MGross asset value
Form D fundraising filings
Blackstone ISG Investment Partners - R (BMU) L.P.
Provider details
- Annual audit
- Yes
- Prime brokers
- No
- Custodians
- Yes
- Administrator other than the adviser
- No
- External marketing
- No
DELOITTE & TOUCHE
PCAOB 34
BANK OF AMERICA, NA
LEI B4TYDEB6GKMZO031MB27
Fund details & source
- Fund ID
- 805-5668356401
- Reported beneficial owners
- 62
- Minimum commitment
- $0
- Form D file number
- 021-473591
Form ADV 2084567 · Mar 30, 2026 · Schedule D 7.B.(1)
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.
Services & filing details
Most recent filing: Mar 30, 2026. View historical filings
Reported services
Pooled investment vehicle management · Selection of other advisers
Compensation
Percentage of assets · Performance-based
Principal office
345 PARK AVENUENEW YORK, NY, 10154, United States
CRD 289550
Filing source
Form ADV 2084567 · Mar 30, 2026 · Items 1 & 5
Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.