Zweig-DiMenna Associates LLC: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1533950) · Explore on the interactive board
Zweig-DiMenna Associates LLC disclosed 70 US equity positions worth $1.1bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 13, 2026). Its largest position is SNDK at 6.7% of the reported book, followed by AMZN, MU. The top ten holdings are 39.3% of the book, and the portfolio behaves like about 39 equal-weight positions. Versus the prior filing it opened 21 new positions, added to 12, reduced 25 and exited 10. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Zweig-DiMenna Associates LLC own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 21 new, 12 added, 25 reduced, 10 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | SNDK SANDISK CORP | Technology | 6.7% | $74.1m | 32,609 | 31% | added |
| 2 | AMZN AMAZON COM INC | Consumer Cyclical | 4.9% | $54.0m | 226,579 | -37% | reduced |
| 3 | MU MICRON TECHNOLOGY INC | Technology | 4.3% | $47.8m | 41,377 | -9% | reduced |
| 4 | WGS GENEDX HOLDINGS CORP | Healthcare | 3.6% | $39.3m | 571,950 | -17% | reduced |
| 5 | AMAT APPLIED MATERIALS | Technology | 3.6% | $39.1m | 54,128 | -17% | reduced |
| 6 | LRCX LAM RESEARCH | Technology | 3.5% | $38.6m | 88,966 | -8% | reduced |
| 7 | AMD ADVANCED MICRO DEVICES INC | Technology | 3.3% | $36.7m | 63,226 | 82% | added |
| 8 | COHR COHERENT CORP | Technology | 3.3% | $36.4m | 92,371 | -21% | reduced |
| 9 | APP APPLOVIN CORP | Communication Services | 3.2% | $35.4m | 68,675 | -15% | reduced |
| 10 | LITE LUMENTUM HLDGS INC | Technology | 2.8% | $31.4m | 36,553 | -10% | reduced |
| 11 | TSM TAIWAN SEMICONDUCTOR MFG LTD | Technology | 2.8% | $30.9m | 64,728 | -16% | reduced |
| 12 | NVDA NVIDIA CORPORATION | Technology | 2.7% | $29.3m | 146,615 | 12% | added |
| 13 | V VISA INC | Financial Services | 2.4% | $26.5m | 77,150 | 16% | added |
| 14 | AVGO BROADCOM INC | Technology | 2.4% | $26.4m | 69,814 | 0% | held |
| 15 | RVMD REVOLUTION MEDICINES INC | Healthcare | 2.0% | $22.5m | 120,200 | 1350% | added |
| 16 | NXPI NXP SEMICONDUCTORS NV | Technology | 2.0% | $22.3m | 79,301 | 96% | added |
| 17 | NTRA NATERA INC | Healthcare | 2.0% | $22.3m | 81,982 | 8% | added |
| 18 | PL PLANET LABS PBC | Industrials | 2.0% | $21.9m | 660,200 | – | new |
| 19 | VRT VERTIV HOLDINGS CO | Industrials | 1.9% | $21.3m | 63,502 | -20% | reduced |
| 20 | TER TERADYNE INC | Technology | 1.7% | $18.4m | 38,034 | 0% | held |
| 21 | BE BLOOM ENERGY CORP | Industrials | 1.6% | $17.4m | 57,525 | -8% | reduced |
| 22 | STX SEAGATE TECHNOLOGY HLDNGS PL | Technology | 1.6% | $17.2m | 17,844 | 0% | held |
| 23 | DELL DELL TECHNOLOGIES | Technology | 1.5% | $16.2m | 37,500 | – | new |
| 24 | WULF TERAWULF INC | Financial Services | 1.4% | $15.8m | 637,982 | -4% | reduced |
| 25 | CRWD CROWDSTRIKE HOLDINGS INC | Technology | 1.4% | $15.7m | 20,511 | -56% | reduced |
| 26 | COF CAPITAL ONE FINANCIAL CORP | Financial Services | 1.4% | $15.0m | 75,000 | – | new |
| 27 | META META PLATFORMS INC | Communication Services | 1.4% | $14.9m | 26,520 | -27% | reduced |
| 28 | GOOGL ALPHABET INC | Communication Services | 1.3% | $14.8m | 41,450 | -20% | reduced |
| 29 | ADI ANALOG DEVICES | Technology | 1.3% | $14.4m | 36,250 | – | new |
| 30 | MRVL MARVELL TECHNOLOGY INC | Technology | 1.3% | $14.4m | 48,233 | – | new |
| 31 | PWR QUANTA SVCS INC | Industrials | 1.3% | $14.3m | 19,850 | 28% | added |
| 32 | SEI SOLARIS ENERGY INFRASTRUCTURE | Energy | 1.3% | $13.9m | 172,650 | 263% | added |
| 33 | INTC INTEL CORP | Technology | 1.2% | $13.7m | 98,400 | – | new |
| 34 | DAL DELTA AIR LINES INC | Industrials | 1.1% | $12.5m | 133,850 | -37% | reduced |
| 35 | SPOT SPOTIFY TECHNOLOGY S A | Communication Services | 1.1% | $12.4m | 27,021 | -1% | reduced |
| 36 | ONTO ONTO INNOVATION INC | Technology | 1.1% | $12.3m | 32,600 | – | new |
| 37 | MCHP MICROCHIP TECHNOLOGY | Technology | 1.0% | $11.5m | 125,644 | -15% | reduced |
| 38 | CDNA CAREDX INC | Healthcare | 1.0% | $11.1m | 388,812 | -0% | held |
| 39 | MSFT MICROSOFT CORP | Technology | 1.0% | $10.9m | 29,200 | 5% | added |
| 40 | AAOI APPLIED OPTOELR | Technology | 1.0% | $10.6m | 71,835 | -10% | reduced |
| 41 | ANET ARISTA NETWORKS INC | Technology | 1.0% | $10.6m | 62,304 | -21% | reduced |
| 42 | PRCH PORCH GROUP INC | Financial Services | 0.9% | $10.4m | 693,738 | -17% | reduced |
| 43 | QXO QXO INC | Industrials | 0.9% | $10.3m | 598,900 | 3% | added |
| 44 | XMTR XOMETRY INC | Industrials | 0.9% | $9.9m | 102,650 | 0% | held |
| 45 | SPNT SIRIUSPOINT LTD | Financial Services | 0.9% | $9.5m | 397,350 | 0% | held |
| 46 | TDUP THREDUP INC | Consumer Cyclical | 0.7% | $7.9m | 1,154,000 | -21% | reduced |
| 47 | EMBJ EMBRAER SA | Industrials | 0.7% | $7.8m | 122,161 | 0% | held |
| 48 | FN FABRINET | Technology | 0.7% | $7.3m | 12,900 | 0% | held |
| 49 | NFLX NETFLIX INC | Communication Services | 0.7% | $7.2m | 101,000 | 0% | held |
| 50 | KTOS KRATOS DEFENSE & SECURITY SOLTNS INC | Industrials | 0.6% | $7.1m | 143,026 | -8% | reduced |
What did Zweig-DiMenna Associates LLC sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| SNPS SYNOPSYS INC | 22.3% | $5.7m |
| LVS LAS VEGAS SANDS | 20.5% | $5.3m |
| VST VISTRA CORP | 17.0% | $4.4m |
| ALNT ALLIENT INC | 10.8% | $2.8m |
| KVYO KLAVIYO INC | 9.8% | $2.5m |
| OIH VANECK ETF TRUST | 9.0% | $2.3m |
| ROOT ROOT INC/OH | 4.6% | $1.2m |
| XHB STATE STREET SPDR S&P HOMEBUIL | 3.9% | $1.0m |
| BTBT BIT DIGITAL INC | 1.3% | $331.4k |
| BTG B2GOLD CORP | 0.8% | $207.5k |
Sector mix
| Sector | Weight |
|---|---|
| Technology | 54.2% |
| Industrials | 11.7% |
| Healthcare | 9.1% |
| Financial Services | 7.9% |
| Communication Services | 7.7% |
| Consumer Cyclical | 5.6% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Zweig-DiMenna Associates LLC's portfolio?
Across every quarter Zweig-DiMenna Associates LLC has filed, its median largest position is 8.6% of the book and its median top-ten weight is 42.2%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 10.0 completed holding spells, the median lasted 1.0 quarters; 70.0 positions are still open and their final length is unknown.