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Zweig-Dimenna Associates LLC

New York, NYSEC-registered investment adviserCRD 161385

Filed as ZWEIG-DIMENNA ASSOCIATES LLC

Zweig-Dimenna Associates LLC is an SEC-registered investment advisory firm in New York, NY, registered since 2012, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated April 29, 2026.

14 years
registered since 2012
$1,633,517,000
assets under management
2 arrangements
Percentage of assets, Performance-based
None
disclosure items (Item 11)

Quick answers

From the filing

How is Zweig-Dimenna Associates LLC compensated?

On its Form ADV (Item 5.E, October 2026), Zweig-Dimenna Associates LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

How much does Zweig-Dimenna Associates LLC charge?

Its Form ADV Part 2A brochure dated March 30, 2026 states: Asset-based fee: 1% to 2% a year (a range, as the brochure states it). Fees can differ by service and may be negotiable; the brochure is the complete statement.

Where is Zweig-Dimenna Associates LLC located?

Zweig-Dimenna Associates LLC's principal office is in New York, NY, according to its Form ADV; the May 2026 filing also lists 1 other office (Schedule D, Section 1.F).

Is Zweig-Dimenna Associates LLC registered with the SEC or a state?

Zweig-Dimenna Associates LLC is an SEC-registered investment advisory firm, registered since 2012. Status as filed: Approved. CRD 161385.

How much does Zweig-Dimenna Associates LLC manage?

Zweig-Dimenna Associates LLC reports $1,633,517,000 in regulatory assets under management in its Form ADV filing dated April 29, 2026 (100% discretionary).

How have Zweig-Dimenna Associates LLC's assets and staff changed since 2021?

In the Form ADV data for Zweig-Dimenna Associates LLC: Regulatory assets under management: $1,430,809,938 in the October 2021 data and $1,633,517,000 in the October 2026 data, up 14%. Total employees: 39 in October 2021 and 31 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Zweig-Dimenna Associates LLC serve?

By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (6).

Does Zweig-Dimenna Associates LLC report any disciplinary disclosures?

Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/161385

What changed in Zweig-Dimenna Associates LLC's recent Form ADV filings?

In the April 2026 filing data: Regulatory assets under management went from $1,424,851,436 to $1,595,437,396 (+12%).

From the Form ADV filing

Every figure below is as the firm filed it with regulators, as of October 2026.

How the firm is compensated

Item 5.E
  • A percentage of assets under your management
  • Performance-based fees

Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ

Fees and minimums

Form ADV Part 2A

Asset-based fee: 1% to 2% a year (a range, as the brochure states it)

The brochure's wording
Each Fund for which Zweig -DiMenna is the investment manager or general partner pays Zweig-DiMenna a management fee ranging from 1% to 2.0% (on an annualized basis) of the applicable Fund’s net assets.

As stated in the firm's Form ADV Part 2A brochure dated March 30, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site

Regulatory assets under management

Item 5.F
$1,633,517,000

$1,633,517,000 as of October 2026, filing dated April 29, 2026.

Discretionary: $1,633,517,000.Non-discretionary: $0.

A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means

Who the firm serves

Item 5.D
Pooled investment vehicles (other than investment companies and business development companies)
Clients 6 Assets $1,633,517,000 (100%)

A firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.

Advisory services

Item 5.G
  • Portfolio management for pooled investment vehicles (other than investment companies)

Registration and firm details

Items 1, 2, 5
Also doing business as
ZWEIG-DIMENNA ASSOCIATES, INC. ("RELYING ADVISER"), ZWEIG-DIMENNA INTERNATIONAL MANAGERS, INC. ("RELYING ADVISER")
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2012 (14 years)
Employees
Total: 31. Performing investment advisory functions: 14.
Wrap fee program participation
No.
Other offices (Schedule D, Section 1.F)
1 other office, as of the May 2026 filing
Westport, CT
States registered or notice-filed
Not reported.

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None Reports no disclosure items on Form ADV Item 11. View on IAPD.

Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures

Assets and staff over time

Items 5.A, 5.F
$1.43B 2021 $1.39B 2022 $1.08B 2023 $1.03B 2024 $1.42B 2025 $1.63B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$1,633,517,00031April 29, 2026
October 2025$1,424,851,43631April 28, 2025
October 2024$1,027,291,34432May 1, 2024
October 2023$1,078,905,28332April 28, 2023
October 2022$1,390,676,31337April 28, 2022
October 2021$1,430,809,93839April 30, 2021

Regulatory assets under management: $1,430,809,938 in the October 2021 data and $1,633,517,000 in the October 2026 data, up 14%.

Total employees: 39 in October 2021 and 31 in October 2026.

As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.

Changes in the filing

Last 12 months
  1. April 2026
    • Regulatory assets under management went from $1,424,851,436 to $1,595,437,396 (+12%).

Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.

Websites listed on Form ADV

Item 1.I
zweig-dimenna.com

Source: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."

Cite this page

AdvisorCensus. Zweig-Dimenna Associates LLC (CRD 161385): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/zweig-dimenna-associates-llc-new-york-ny-161385