Investment adviser · CRD 226715

WELLINGTON ALTERNATIVE INVESTMENTS

Investment adviser filing (IA)

WELLINGTON ALTERNATIVE INVESTMENTS LLC

BOSTON, MA, United States · Form ADV filed Sep 29, 2026

Regulatory AUM
$92.2B
Form ADV · Item 5.F
Client accounts
124
Accounts, not individual clients
Employees
2
Reported in this filing
Advisory professionals
1
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 vehicles124$92,174,562,107100.0%
Filing source

Form ADV 2130971 · Sep 29, 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.

WELLINGTON STRATEGIC EUROPEAN EQUITY LONG/SHORT MASTER FUND (CAYMAN) L.P.Hedge Fund · Last reported Sep 29, 2026$4.03BGross asset value

Feeder funds

Fund administrator INTERNATIONAL FUND SERVICES (N.A.), L.L.C. NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP BOSTON, Massachusetts, United States
Custodian GOLDMAN SACHS & CO. 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 STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No
Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States
Prime broker MORGAN STANLEY & CO. LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

GOLDMAN SACHS & CO. LLC
SEC 8-129

MORGAN STANLEY & CO. LLC
SEC 8-15869

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

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

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

Fund details & source
Fund ID
805-9956929119
Reported beneficial owners
160
Minimum commitment
$1M

Form ADV 2130971 · Sep 29, 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.

WELLINGTON HADLEY HARBOR MASTER INVESTORS (CAYMAN) IV L.P.Private Equity Fund · Last reported Sep 29, 2026$3.07BGross asset value

Form D fundraising filings

Wellington Hadley Harbor Master Investors (Cayman) IV L.P.

Feeder funds

Fund administrator INTERNATIONAL FUND SERVICES (N.A.), L.L.C. NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP BOSTON, Massachusetts, United States
Custodian STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No
Marketer ICAPITAL GLOBAL ALTERNATIVES, LLC NEW YORK, New York, United States Related to adviser: No
Marketer WELLINGTON FUNDS DISTRIBUTORS INC. BOSTON, Massachusetts, 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

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

ICAPITAL GLOBAL ALTERNATIVES, LLC
CRD 324457

WELLINGTON FUNDS DISTRIBUTORS INC.
CRD 152768 · SEC 8-68476

Fund details & source
Fund ID
805-3148747383
Reported beneficial owners
222
Minimum commitment
$15M
Form D file number
021-449467

Form ADV 2130971 · Sep 29, 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.

INTERNATIONAL RESEARCH EQUITY EXTENDED MASTER FUND (CAYMAN), L.P.Hedge Fund · Last reported Sep 29, 2026$2.66BGross asset value

Feeder funds

Fund administrator INTERNATIONAL FUND SERVICES (N.A.), L.L.C. NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP BOSTON, Massachusetts, United States
Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No
Custodian CITIGROUP GLOBAL MARKETS INC. 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 STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No
Prime broker BOFA SECURITIES, INC. NEW YORK, New York, United States
Prime broker CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States
Prime broker MORGAN STANLEY & CO. LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

BOFA SECURITIES, INC.
SEC 8-69787

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

MORGAN STANLEY & CO. LLC
SEC 8-15869

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

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

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 8-8177

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

Fund details & source
Fund ID
805-2717757694
Reported beneficial owners
47
Minimum commitment
$1M

Form ADV 2130971 · Sep 29, 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.

BAY POND SELECT OPPORTUNITIES MASTER FUND (CAYMAN) L.P.Hedge Fund · Last reported Sep 29, 2026$2.27BGross asset value

Feeder funds

Fund administrator INTERNATIONAL FUND SERVICES (N.A.), L.L.C. NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP BOSTON, Massachusetts, United States
Custodian BARCLAYS CAPITAL INC. NEW YORK, New York, United States Related to adviser: No
Custodian BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States Related to adviser: No
Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No
Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States 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 STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No
Custodian UBS SECURITIES LLC NEW YORK, New York, United States Related to adviser: No
Prime broker BARCLAYS CAPITAL INC. NEW YORK, New York, United States
Prime broker BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States
Prime broker BOFA SECURITIES, INC. NEW YORK, New York, United States
Prime broker CITIGROUP GLOBAL MARKETS 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 UBS SECURITIES LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

BARCLAYS CAPITAL INC.
SEC 8-41342

BNP PARIBAS SECURITIES CORP.
SEC 8-32682

BOFA SECURITIES, INC.
SEC 8-69787

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

GOLDMAN SACHS & CO. LLC
SEC 8-129

J.P. MORGAN SECURITIES LLC
SEC 8-35008

MORGAN STANLEY & CO. LLC
SEC 8-15869

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

UBS SECURITIES LLC
SEC 8-22651

BARCLAYS CAPITAL INC.
CRD 19714 · SEC 8-41342

BNP PARIBAS SECURITIES CORP.
CRD 15794 · SEC 8-32682

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

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 8-8177

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

UBS SECURITIES LLC
CRD 7654 · SEC 8-22651

Fund details & source
Fund ID
805-8264399805
Reported beneficial owners
290
Minimum commitment
$1M

Form ADV 2130971 · Sep 29, 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.

WELLINGTON GLOBAL MULTI-STRATEGY MASTER FUND (CAYMAN) L.P.Hedge Fund · Last reported Sep 29, 2026$1.71BGross asset value

Feeder funds

Fund administrator INTERNATIONAL FUND SERVICES (N.A.), L.L.C. NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP BOSTON, Massachusetts, United States
Custodian BARCLAYS CAPITAL INC. NEW YORK, New York, United States Related to adviser: No
Custodian BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States Related to adviser: No
Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No
Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States 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 STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No
Custodian UBS SECURITIES LLC NEW YORK, New York, United States Related to adviser: No
Prime broker BARCLAYS CAPITAL INC. NEW YORK, New York, United States
Prime broker BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States
Prime broker BOFA SECURITIES, INC. NEW YORK, New York, United States
Prime broker CITIGROUP GLOBAL MARKETS 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 UBS SECURITIES LLC NEW YORK, New York, United States
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

BARCLAYS CAPITAL INC.
SEC 8-41342

BNP PARIBAS SECURITIES CORP.
SEC 8-32682

BOFA SECURITIES, INC.
SEC 8-69787

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

GOLDMAN SACHS & CO. LLC
SEC 8-129

J.P. MORGAN SECURITIES LLC
SEC 8-35008

MORGAN STANLEY & CO. LLC
SEC 8-15869

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

UBS SECURITIES LLC
SEC 8-22651

BARCLAYS CAPITAL INC.
CRD 19714 · SEC 8-41342

BNP PARIBAS SECURITIES CORP.
CRD 15794 · SEC 8-32682

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

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 8-8177

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

UBS SECURITIES LLC
CRD 7654 · SEC 8-22651

Fund details & source
Fund ID
805-6486484121
Reported beneficial owners
65
Minimum commitment
$1M

Form ADV 2130971 · Sep 29, 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.

WELLINGTON GLOBAL EQUITY LONG/SHORT FUND, LTD.Other Private Fund · Last reported Sep 29, 2026$1.7BGross asset value

Form D fundraising filings

Wellington Global Equity Long/Short Fund, Ltd.

Fund administrator INTERNATIONAL FUND SERVICES (N.A.), L.L.C. NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP BOSTON, Massachusetts, United States
Custodian STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No
Marketer MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED NEW YORK, New York, United States Related to adviser: No
Marketer WELLINGTON FUNDS DISTRIBUTORS INC. BOSTON, Massachusetts, 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

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
CRD 7691 · SEC 801-14235

WELLINGTON FUNDS DISTRIBUTORS INC.
CRD 152768 · SEC 8-68476

Fund details & source
Fund ID
805-3304602860
Reported beneficial owners
159
Minimum commitment
$1M
Form D file number
021-127885

Form ADV 2130971 · Sep 29, 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.

WELLINGTON HADLEY HARBOR MASTER INVESTORS (CAYMAN) III L.P.Private Equity Fund · Last reported Sep 29, 2026$1.47BGross asset value

Form D fundraising filings

Wellington Hadley Harbor Master Investors (Cayman) III L.P.

Feeder funds

Fund administrator INTERNATIONAL FUND SERVICES (N.A.), L.L.C. NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor PRICEWATERHOUSECOOPERS LLP BOSTON, Massachusetts, United States
Custodian STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No
Marketer ICAPITAL GLOBAL ALTERNATIVES, LLC NEW YORK, New York, United States Related to adviser: No
Marketer WELLINGTON FUNDS DISTRIBUTORS INC. BOSTON, Massachusetts, 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

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

ICAPITAL GLOBAL ALTERNATIVES, LLC
CRD 324457

WELLINGTON FUNDS DISTRIBUTORS INC.
CRD 152768 · SEC 8-68476

Fund details & source
Fund ID
805-2675850439
Reported beneficial owners
219
Minimum commitment
$15M
Form D file number
021-355907

Form ADV 2130971 · Sep 29, 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: Sep 29, 2026. View historical filings

Reported services

Pooled investment vehicle management · Business portfolio management

Compensation

Percentage of assets · Performance-based

Principal office

280 CONGRESS STREET
BOSTON, MA, 02210, United States

CRD 226715

Filing source

Form ADV 2130971 · Sep 29, 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.