Investment adviser · CRD 107580

BLACKSTONE ALTERNATIVE ASSET MANAGEMENT L.P.

Investment adviser filing (IA)

NEW YORK, NY, United States · Form ADV filed Aug 4, 2026

Regulatory AUM
$92B
Form ADV · Item 5.F
Client accounts
174
Accounts, not individual clients
Employees
293
Reported in this filing
Advisory professionals
111
Investment advisory functions

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client typeClientsRegulatory assetsShare of AUM
Pooled investment vehicles159$81,396,660,01588.4%
Other investment advisers2$3,987,683,7624.3%
Sovereign wealth & foreign institutions7$2,897,541,3943.1%
Corporations & businesses1$1,996,300,1082.2%
Retirement plans10$1,759,733,0841.9%
Government entities1$00.0%
Insurance companies1Not reportedNot reported
Filing source

Form ADV 2123926 · Aug 4, 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

50+ Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

Browse the first 49 funds across 7 pages.

BLACKSTONE PARTNERS OS MASTER ICAVOther Private Fund · Last reported Aug 4, 2026$9.39BGross asset value

Feeder funds

Showing the first 7 feeders, with Form D links first.

  • BLACKSTONE PARTNERS OFFSHORE FEEDER FUND LTD.
  • BLACKSTONE PARTNERS OFFSHORE FUND LTD.
  • BLACKSTONE PARTNERS OFFSHORE JAPAN UNIT TRUST-DOLLAR DISTRIBUTION SUB FUND
  • BLACKSTONE PARTNERS OFFSHORE JAPAN UNIT TRUST-DOLLAR NON-DISTRIBUTION SUB FUND
  • BLACKSTONE PARTNERS OFFSHORE JAPAN UNIT TRUST-YEN DISTRIBUTION SUB FUND
  • BLACKSTONE PARTNERS OFFSHORE JAPAN UNIT TRUST-YEN DISTRIBUTION SUB FUND TWO
  • BLACKSTONE PARTNERS OFFSHORE JAPAN UNIT TRUST-YEN NON-DISTRIBUTION SUB FUND
Fund administrator CITCO FUND SERVICES (IRELAND) LIMITED CORK, Ireland Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor DELOITTE IRELAND LLP DUBLIN, Ireland
Custodian BNY MELLON CAPITAL MARKETS, LLC NEW YORK, New York, United States Related to adviser: No
Custodian CITCO BANK NEDERLAND N.V. DUBLIN, Ireland Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

DELOITTE IRELAND LLP
PCAOB 1193

BNY MELLON CAPITAL MARKETS, LLC
SEC 8-35255

Fund details & source
Fund ID
805-1927363022
Reported beneficial owners
545
Minimum commitment
$5M

Form ADV 2123926 · Aug 4, 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.

TAHQUAMENON FUND L.P.Other Private Fund · Last reported Aug 4, 2026$5.32BGross asset value

Form D fundraising filings

Tahquamenon Fund L.P.

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 NEW YORK, New York, United States
Custodian CITCO BANK CANADA TORONTO, 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 34

CITCO BANK CANADA
LEI 549300U6C5DCBKSIEB26

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

Fund details & source
Fund ID
805-8306049974
Reported beneficial owners
9
Minimum commitment
$5M
Form D file number
021-166980

Form ADV 2123926 · Aug 4, 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 FIXED INCOME AND TRADING OPPORTUNITIES OFFSHORE FUND LTD.Other Private Fund · Last reported Aug 4, 2026$4.77BGross asset value
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 BNY MELLON CAPITAL MARKETS, LLC NEW YORK, New York, United States Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

DELOITTE & TOUCHE LLP
PCAOB 1096

BNY MELLON CAPITAL MARKETS, LLC
SEC 8-35255

Fund details & source
Fund ID
805-3609140876
Reported beneficial owners
32
Minimum commitment
$1M

Form ADV 2123926 · Aug 4, 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.

BEMAP MASTER FUND LTD.Hedge Fund · Last reported Aug 4, 2026$4.13BGross asset value

Feeder funds

  • BLACKSTONE EQUITY MANAGED ACCOUNT PORTFOLIOS L.P.
  • BLACKSTONE EQUITY MANAGED ACCOUNT PORTFOLIOS LTD.
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 BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No
Custodian CITCO BANK CANADA TORONTO, Canada Related to adviser: No
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No
Custodian MORGAN STANLEY & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States Related to adviser: No
Prime broker BOFA SECURITIES, INC. NEW YORK, New York, United States
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States
Prime broker MORGAN STANLEY & CO. LLC NEW YORK, New York, United States
Prime broker NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

DELOITTE & TOUCHE LLP
PCAOB 1096

BOFA SECURITIES, INC.
SEC 8-69787

CITCO BANK CANADA
LEI 549300U6C5DCBKSIEB26

GOLDMAN SACHS & CO. LLC
SEC 8-129

J.P. MORGAN SECURITIES LLC
SEC 8-35008

MORGAN STANLEY & CO. LLC
SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
SEC 8-26740

BOFA SECURITIES, INC.
CRD 283942 · SEC 8-69787

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
CRD 13041 · SEC 8-26740

Fund details & source
Fund ID
805-1733608039
Reported beneficial owners
41
Minimum commitment
$0

Form ADV 2123926 · Aug 4, 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.

SAN FRANCISCO ABSOLUTE RETURN INVESTORS II L.P.Other Private Fund · Last reported Aug 4, 2026$3.77BGross asset value
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 NEW YORK, New York, United States
Custodian CITCO BANK CANADA TORONTO, 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 34

CITCO BANK CANADA
LEI 549300U6C5DCBKSIEB26

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

Fund details & source
Fund ID
805-1771870221
Reported beneficial owners
2
Minimum commitment
$5M

Form ADV 2123926 · Aug 4, 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 CSP-MST FMAP FUNDHedge Fund · Last reported Aug 4, 2026$2.83BGross asset value

Feeder funds

  • BLACKSTONE CSP-OS FMAP FUND
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 NEW YORK, New York, United States
Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No
Custodian CITCO BANK CANADA TORONTO, Canada Related to adviser: No
Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No
Custodian MORGAN STANLEY & CO. LLC NEW YORK, New York, United States Related to adviser: No
Custodian NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States Related to adviser: No
Prime broker BOFA SECURITIES, INC. NEW YORK, New York, United States
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States
Prime broker MORGAN STANLEY & CO. LLC NEW YORK, New York, United States
Prime broker NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

DELOITTE & TOUCHE LLP
PCAOB 34

BOFA SECURITIES, INC.
SEC 8-69787

CITCO BANK CANADA
LEI 549300U6C5DCBKSIEB26

GOLDMAN SACHS & CO. LLC
SEC 8-129

J.P. MORGAN SECURITIES LLC
SEC 8-35008

MORGAN STANLEY & CO. LLC
SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
SEC 8-26740

BOFA SECURITIES, INC.
CRD 283942 · SEC 8-69787

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
CRD 13041 · SEC 8-26740

Fund details & source
Fund ID
805-2229939392
Reported beneficial owners
1
Minimum commitment
$5M

Form ADV 2123926 · Aug 4, 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 PARTNERS NON-TAXABLE OFFSHORE MASTER FUND LTD.Other Private Fund · Last reported Aug 4, 2026$2.59BGross asset value

Feeder funds

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, Canada Related to adviser: No
Provider details
Annual audit
Yes
Prime brokers
No
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

DELOITTE & TOUCHE LLP
PCAOB 1096

CITCO BANK CANADA
LEI 549300U6C5DCBKSIEB26

Fund details & source
Fund ID
805-9869781274
Reported beneficial owners
48
Minimum commitment
$1M

Form ADV 2123926 · Aug 4, 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: Aug 4, 2026. View historical filings

Reported services

Pooled investment vehicle management · Selection of other advisers

Compensation

Percentage of assets · Performance-based

Principal office

345 PARK AVE
NEW YORK, NY, 10154, United States

CRD 107580

Filing source

Form ADV 2123926 · Aug 4, 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.