Form D · Hedge Fund

Blackstone Annex Offshore Fund L.P.

Camana Bay, Grand Cayman, E9 · CIK 0001897687

Offering snapshot reported Dec 23, 2025 · SEC filing

Reported sold: $379M
Investors reported: 17
Minimum accepted: $0
First sale: Apr 1, 2022

Fundraising history

Reported sold

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

Reported sold$232,834,749 → $378,517,066
Reported investors11 → 17

Filing history

Scroll to see all columns →

Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Dec 23, 2025	Amendment	$378,517,066	$145,682,317vs Dec 27, 2024	17	SEC filing
Dec 27, 2024	Amendment	$232,834,749	$50,858,512vs Dec 29, 2023	11	SEC filing
Dec 29, 2023	Amendment	$181,976,237	$88,900,000vs Dec 30, 2022	8	SEC filing
Dec 30, 2022	Amendment	$93,076,237	No comparison	5	SEC filing
Dec 30, 2021	Initial	Yet to sell	No comparison	0	SEC filing

Offering details

Securities: Pooled investment fund
Exemptions: 06b, 3C, 3C.7
Duration over one year: Yes
Business combination: No

Sales commissions: $0
Finders' fees: $0
Form D file number: 021-427268

Source: Form D, filed Dec 23, 2025. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

BLACKSTONE ANNEX OFFSHORE FUND L.P.

Investment adviser: BLACKSTONE ALTERNATIVE ASSET MANAGEMENT L.P.

Gross asset value: $1.74B
Beneficial owners: 58
ADV minimum commitment: $100K

Reported in Form ADV on Aug 4, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Fund administrator CITCO FUND SERVICES (CAYMAN ISLANDS) LIMITED GRAND CAYMAN, Cayman Islands Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor DELOITTE & TOUCHE LLP GRAND CAYMAN, Cayman Islands

Custodian CITCO BANK CANADA TORONTO, ONTARIO, Canada Related to adviser: No

Marketer BLACKSTONE SECURITIES PARTNERS L.P. NEW YORK, New York, United States Related to adviser: Yes

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: Yes

DELOITTE & TOUCHE LLP
PCAOB 1096

CITCO BANK CANADA
LEI 549300U6C5DCBKSIEB26

BLACKSTONE SECURITIES PARTNERS L.P.
CRD 17917 · SEC 8-35941

Filing source

Form ADV 2123926 · Aug 4, 2026 · Schedule D 7.B.(1), fund 805-8318281915

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
Name	Reported role
Blackstone Alternative Asset Management L.P.	Promoter
Blackstone Asset Management Associates Llc	Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

Citco Fund Services (Cayman Islands) Ltd 89 Nexus Way, Po Box 31106
Camana Bay, Grand Cayman, E9, KY1-1205