Investment adviser · CRD 161385

ZWEIG-DIMENNA ASSOCIATES LLC

Investment adviser filing (IA)

NEW YORK, NY, United States · Form ADV filed Apr 29, 2026

Regulatory AUM: $1.63B
Client accounts: 6
Employees: 31
Advisory professionals: 14

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	6	$1,633,517,000	100.0%

Filing source

Form ADV 2100841 · Apr 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

11 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.

ZWEIG-DIMENNA PARTNERS, L.P.Hedge Fund · Last reported Apr 29, 2026$1.55BGross asset value

Fund administrator MORGAN STANLEY FUND SERVICES USA LLC PURCHASE, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor GRANT THORNTON NEW YORK, New York, 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 CLEARING CORP. NEW YORK, New York, United States Related to adviser: No

Custodian MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED NEW YORK, New York, United States Related to adviser: No

Custodian MERRILL LYNCH PROFESSIONAL CLEARING CORP. 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 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 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 CLEARING CORP. NEW YORK, New York, United States

Prime broker MERRILL LYNCH PROFESSIONAL CLEARING CORP. 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

GRANT THORNTON
PCAOB 248

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 CLEARING CORP.
SEC 8-43724

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
SEC 8-7221

MERRILL LYNCH PROFESSIONAL CLEARING CORP.
SEC 8-33359

MORGAN STANLEY & CO. LLC
SEC 8-15869

UBS SECURITIES LLC
SEC 8-22651

BARCLAYS CAPITAL INC.
CRD 19714 · SEC 8-41342

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 CLEARING CORP.
CRD 28432 · SEC 8-43724

MERRILL LYNCH PROFESSIONAL CLEARING CORP.
CRD 16139 · SEC 8-33359

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

UBS SECURITIES LLC
CRD 7654 · SEC 8-22651

Fund details & source

Fund ID: 805-3411842993
Reported beneficial owners: 18
Minimum commitment: $3M
Form D file number: 021-16972

Form ADV 2100841 · Apr 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.

ZWEIG-DIMENNA INVESTORS, L.P.Hedge Fund · Last reported Apr 29, 2026$35MGross asset value

Form D fundraising filings

ZWEIG DIMENNA INVESTORS LP