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BLACKSTONE ISG-II ADVISORS L.L.C.

NEW YORK, NY · CRD 289550 · IAPD ↗ · 212-583-5000

$8.01BRegulatory AUM
44Advisory reps
114Employees
0Clients
n/aPlanning clients
6Private funds
0States
0Disclosures
fundSegment
ApprovedSEC status

Filing changes

35
April 2026 — BLACKSTONE ISG-II ADVISORS L.L.C. reported RAUM down 45% ($14.47B -> $8.01B).
Regulatory AUM down >=25% since last filing.
M&A & valuationRecruiting & transitions
40
April 2026 — BLACKSTONE ISG-II ADVISORS L.L.C. added office(s): 2 -> 4 additional locations.
Count of additional offices increased.
Office IT & facilitiesCRMRecruiting & transitions
67
April 2026 — BLACKSTONE ISG-II ADVISORS L.L.C. grew from 32 to 44 advisory reps.
Advisory representative count grew materially (>=20% or >=5 reps).
CRMRecruiting & transitionsComplianceFinancial planning software
40
April 2024 — BLACKSTONE ISG-II ADVISORS L.L.C. added office(s): 1 -> 2 additional locations.
Count of additional offices increased.
Office IT & facilitiesCRMRecruiting & transitions
60
April 2024 — BLACKSTONE ISG-II ADVISORS L.L.C. reported RAUM up 119% ($6.53B -> $14.29B).
Regulatory AUM up >=25% since last filing.
Portfolio / reporting / TAMPCRMFinancial planning software
64
April 2024 — BLACKSTONE ISG-II ADVISORS L.L.C. grew from 21 to 30 advisory reps.
Advisory representative count grew materially (>=20% or >=5 reps).
CRMRecruiting & transitionsComplianceFinancial planning software

Data: SEC Form ADV monthly roster (public). Confirm on IAPD before acting.