Hedge fund profile
The Obsidian Master Fund
The Obsidian Master Fund is reported as a hedge fund in Form ADV private-fund disclosures. The adviser is Blackrock Financial Management, INC, based in New York, New York, United States.
$202.8Mgross assets
$1.0Mminimum
81owners
3(c)(7)exemption
Disclosure fields
Fund facts
SEC private fund ID805-9384485105
Reference ID18463
JurisdictionCayman Islands
Fund of fundsNo
Master fundYes
Feeder fundNo
Non-US ownership51%
Assets valued100%
Annual auditYes
GAAPYes
Source periodApril 2026
Date submitted04/28/2026 11:15:00 AM
Adviser
Blackrock Financial Management, INC
TypeRegistered investment adviser
SEC number801-48433
CRD107105
Regulatory AUM$1.6T
Compliance signals
Exempt from registration Sales limitation not marked Prime brokers reported Custodians reported
Service providers
Reported counterparties
General partners
Intertrust Trustees (cayman) Limited
Auditors
DELOITTE & TOUCHE
Prime brokers
CREDIT SUISSE SECURITIES (USA) LLCCITIGROUP GLOBAL MARKETS INC.
Custodians
NORTHERN TRUST
Administrators
JPMORGAN CHASE BANK, N.A.
Marketers
BLACKROCK INVESTMENTS, LLC
Same adviser