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
Client accounts: 124
Employees: 2
Advisory professionals: 1

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client type	Clients	Regulatory assets	Share of AUM
Pooled investment vehicles	124	$92,174,562,107	100.0%

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 BIOMEDICAL INNOVATION MASTER INVESTORS (CAYMAN) II L.P.Private Equity Fund · Last reported Sep 29, 2026$607MGross 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 STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No

Marketer GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No

Marketer J.P. MORGAN SECURITIES 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

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 801-16048

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 801-3702

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

Fund details & source

Fund ID: 805-2778306763
Reported beneficial owners: 158
Minimum commitment: $0

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 MACRO EQUITY OPPORTUNITIES MASTER FUND (CAYMAN) L.P.Hedge Fund · Last reported Sep 29, 2026$606MGross 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 J.P. MORGAN SECURITIES 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 J.P. MORGAN 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

BOFA SECURITIES, INC.
SEC 8-69787

J.P. MORGAN SECURITIES LLC
SEC 8-35008

STATE STREET BANK AND TRUST COMPANY
LEI 571474TGEMMWANRLN572

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

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

Fund details & source

Fund ID: 805-1190373482
Reported beneficial owners: 6
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 GROWTH EQUITY LONG/SHORT FUND (BERMUDA) L.P.Hedge Fund · Last reported Sep 29, 2026$552MGross asset value

Feeder funds

WELLINGTON MANAGEMENT INVESTORS (BERMUDA), LTD. - QUISSETT CLASS

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 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

Marketer WELLINGTON FUNDS DISTRIBUTORS INC. BOSTON, Massachusetts, United States Related to adviser: Yes

Prime broker CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States

Prime broker J.P. MORGAN SECURITIES 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: Yes

PRICEWATERHOUSECOOPERS LLP
PCAOB 238

BARCLAYS CAPITAL INC.
SEC 8-41342

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

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

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

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

UBS SECURITIES LLC
CRD 7654 · SEC 8-22651

Fund details & source

Fund ID: 805-7394262866
Reported beneficial owners: 6
Minimum commitment: $1M
Form D file number: 021-127883

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.

HADLEY HARBOR MASTER INVESTORS (CAYMAN) II L.P.Private Equity Fund · Last reported Sep 29, 2026$454MGross asset value

Form D fundraising filings

Hadley Harbor Master Investors (Cayman) II 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 CITIGROUP GLOBAL MARKETS INC. 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

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 801-3387

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

Fund details & source

Fund ID: 805-7209504824
Reported beneficial owners: 104
Minimum commitment: $15M
Form D file number: 021-285711

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 ENERGY LONG/SHORT FUND, L.P.Hedge Fund · Last reported Sep 29, 2026$433MGross asset value