ZWEIG-DIMENNA ASSOCIATES LLC
Q2 2025 Form 13-F
NEW YORK, NEW YORK
CIK 0001533950
· CRD 161385
· SEC-registered investment adviser
Consolidated report · includes
1 manager
since Q2 2013
$1.1B Reported Value Total
ZWEIG-DIMENNA ASSOCIATES LLC reports 3 total accounts under management (AUM). There are 3 discretionary accounts valued at $1,424,851,436, and 0 non-discretionary accounts.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Private funds (Form ADV)
11 funds
· $1.8B gross asset value
Hedge Fund: $1.8B
Source: Form ADV filed 2026-04-29
Reported value
$1.1B
Quarter over quarter
+23.6%
Holdings
83
Top-10 concentration
42.0%
Filing Structure
Reports holdings for
- Zweig-DiMenna International Managers, Inc. (not a 13F filer in our records) · since Q2 2013 · declared by one filing
- Zweig-DiMenna Associates, Inc (not a 13F filer in our records) · Q2 2013 – Q4 2022 · declared by one filing
Key People
Form ADV owners & control persons
Joseph Anthony Dimenna
MANAGING DIRECTOR
Kevin P Cannon
CEO
Thomas Frances Keyes
EXECUTIVE VICE PRESIDENT
Filing Navigation
Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
13F Metrics
Loading 13F Metrics
Q2 2025 13F record
Q2 2025 13F filing summary
| Period of report | June 30, 2025 |
|---|---|
| Filed | August 05, 2025 |
| Form | 13F-HR |
| Reported value | $1.1B |
| Positions | 83 |
| Change in reported value | +67.4% |
| New positions | 35 |
| Exited positions | 14 |
| Position turnover | 50.5% |
| Top-10 concentration | 42.0% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Nov 6, 2026
|
87 | $1.3B |
|
Q2 2026 13F
Filed Aug 13, 2026
|
70 | $1.1B |
|
Q1 2026 13F
Filed May 5, 2026
|
59 | $722.2M |
|
Q4 2025 13F
Filed Feb 10, 2026
|
97 | $1.6B |
|
Q3 2025 13F
Filed Nov 7, 2025
|
94 | $1.4B |
|
Q2 2025 13F
Filed Aug 5, 2025
|
83 | $1.1B |
|
Q1 2025 13F
Filed May 7, 2025
|
62 | $631.4M |
|
Q4 2024 13F
Filed Jan 21, 2025
|
88 | $1.3B |
|
Q3 2024 13F
Filed Oct 23, 2024
|
85 | $990.0M |
|
Q2 2024 13F
Filed Jul 24, 2024
|
75 | $888.0M |
|
Q1 2024 13F
Filed Apr 29, 2024
|
121 | $1.1B |
|
Q4 2023 13F
Filed Jan 25, 2024
|
106 | $886.6M |
|
Q3 2023 13F
Filed Oct 25, 2023
|
108 | $844.0M |
|
Q2 2023 13F
Filed Jul 26, 2023
|
112 | $800.3M |
|
Q1 2023 13F
Filed Apr 28, 2023
|
104 | $738.9M |
|
Q4 2022 13F
Filed Feb 7, 2023
|
107 | $686.5M |
|
Q3 2022 13F
Filed Oct 28, 2022
|
86 | $459.3M |
|
Q2 2022 13F
Filed Jul 28, 2022
|
85 | $526.4M |
|
Q1 2022 13F
Filed Apr 25, 2022
|
91 | $750.3M |
|
Q4 2021 13F
Filed Jan 27, 2022
|
117 | $1.2B |
34 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q2 2025
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | AMZN AMAZON COM INC | $77.9M | 7.37% |
| 2 | AVGO BROADCOM INC | $56.6M | 5.36% |
| 3 | WGS GENEDX HOLDINGS CORP | $54.1M | 5.12% |
| 4 | 99DKCJ4V8 C INVESCO QQQ TR | $52.4M | 4.96% |
| 5 | TSM TAIWAN SEMICONDUCTOR MFG LTD | $45.7M | 4.32% |
| 6 | APP APPLOVIN CORP | $41.9M | 3.96% |
| 7 | PWR QUANTA SVCS INC | $37.8M | 3.57% |
| 8 | CYBR CYBERARK SOFTWARE LTD | $26.7M | 2.52% |
| 9 | 99DDBT7W8 C MICROSOFT CORP | $25.9M | 2.45% |
| 10 | NVDA NVIDIA CORPORATION | $24.5M | 2.32% |
| 11 | LOAR LOAR HOLDINGS INC | $22.5M | 2.13% |
| 12 | NTRA NATERA INC | $21.0M | 1.98% |
| 13 | MRVL MARVELL TECHNOLOGY INC | $20.0M | 1.9% |
| 14 | MSFT MICROSOFT CORP | $19.1M | 1.8% |
| 15 | PM PHILIP MORRIS INTL INC | $17.9M | 1.69% |
| 16 | META META PLATFORMS INC | $17.5M | 1.66% |
| 17 | V VISA INC | $17.1M | 1.62% |
| 18 | BSX BOSTON SCIENTIFIC CORP | $16.7M | 1.58% |
| 19 | CLS CELESTICA INC | $15.7M | 1.48% |
| 20 | GLD SPDR GOLD TRUST | $15.5M | 1.47% |
Values as reported on the Q2 2025 Form 13F. Every position is in the holdings table below.