# 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.

- CRD: 161385
- Filed as: ZWEIG-DIMENNA ASSOCIATES LLC
- 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)
- Location: New York, NY
- Filing period: October 2026
- Form ADV filing dated: April 29, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/161385
- AdvisorCensus page: https://advisorcensus.com/firm/zweig-dimenna-associates-llc-new-york-ny-161385

## Quick answers

**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

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees

### Fees and minimums (Form ADV Part 2A brochure dated March 30, 2026)

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

> 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 brochure. Fees can differ by service and may be negotiable.

### Regulatory assets under management (Item 5.F)
- Total: $1,633,517,000
- Discretionary: $1,633,517,000
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 6 | $1,633,517,000 |

### Advisory services (Item 5.G)
- Portfolio management for pooled investment vehicles (other than investment companies)

### Firm details
- Registered since: 2012 (14 years)
- Employees: 31 total, 14 performing advisory functions
- Wrap fee program participation: No
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the May 2026 filing
- Westport, CT

### Websites listed on Form ADV (Item 1.I)
- zweig-dimenna.com

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $1,430,809,938 | 39 | April 30, 2021 |
| October 2022 | $1,390,676,313 | 37 | April 28, 2022 |
| October 2023 | $1,078,905,283 | 32 | April 28, 2023 |
| October 2024 | $1,027,291,344 | 32 | May 1, 2024 |
| October 2025 | $1,424,851,436 | 31 | April 28, 2025 |
| October 2026 | $1,633,517,000 | 31 | April 29, 2026 |

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.

## Changes in the filing (last 12 months)

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

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Zweig-Dimenna Associates LLC (CRD 161385): Form ADV filing data as of October 2026.