Zweig-DiMenna Associates LLC — 13F Holdings & Portfolio
CIK 1533950 · latest 13F-HR filed 2026-08-13
Zweig-DiMenna Associates LLC manages $1.10B in 13F-reported U.S. long-equity assets across 70 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SNDK (6.73%), AMZN (4.90%), MU (4.33%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 21 new positions, exited 10, added to 35, and trimmed 12.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
31ST FL
NEW YORK, NY 10022
$1.10B
Long-equity book
70
Distinct positions
2026-06-30
Filed 2026-08-13
+21 / −10 / ↑35 / ↓12
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- SANDISK CORP$58.4M +369.6%
- MICRON TECHNOLOGY INC$32.4M +210.7%
- ADVANCED MICRO DEVICES INC$29.7M +419.4%
- REVOLUTION MEDICINES INC$21.7M +2693.2%
- LAM RESEARCH$17.9M +87.0%
Top Trims
- AMAZON COM INC-$20.9M -27.9%
- META PLATFORMS INC-$5.8M -28.1%
- GENEDX HOLDINGS CORP-$5.0M -11.3%
- KRATOS DEFENSE & SECURITY SOLTNS INC-$3.8M -34.8%
- CROWDSTRIKE HOLDINGS INC-$2.5M -13.8%
New Positions
- PLANET LABS PBC$21.9M
- DELL TECHNOLOGIES$16.2M
- CAPITAL ONE FINANCIAL CORP$15.0M
- ANALOG DEVICES$14.4M
- MARVELL TECHNOLOGY INC$14.4M
Exited Positions
- SYNOPSYS INC$5.7M
- LAS VEGAS SANDS$5.3M
- VISTRA CORP$4.4M
- ALLIENT INC$2.8M
- KLAVIYO INC$2.5M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | SANDISK CORP | SNDK | 80004C200 | $74.1M | 6.73% | 32,609 | SH |
| 2 | AMAZON COM INC | AMZN | 023135106 | $54.0M | 4.90% | 226,579 | SH |
| 3 | MICRON TECHNOLOGY INC | MU | 595112103 | $47.8M | 4.33% | 41,377 | SH |
| 4 | GENEDX HOLDINGS CORP | WGS | 81663L200 | $39.3M | 3.56% | 571,950 | SH |
| 5 | APPLIED MATERIALS | AMAT | 038222105 | $39.1M | 3.55% | 54,128 | SH |
| 6 | LAM RESEARCH | LRCX | 512807306 | $38.6M | 3.50% | 88,966 | SH |
| 7 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $36.7M | 3.33% | 63,226 | SH |
| 8 | COHERENT CORP | COHR | 19247G107 | $36.4M | 3.31% | 92,371 | SH |
| 9 | APPLOVIN CORP | APP | 03831W108 | $35.4M | 3.21% | 68,675 | SH |
| 10 | LUMENTUM HLDGS INC | LITE | 55024U109 | $31.4M | 2.85% | 36,553 | SH |
| 11 | TAIWAN SEMICONDUCTOR MFG LTD | TSM | 874039100 | $30.9M | 2.80% | 64,728 | SH |
| 12 | NVIDIA CORPORATION | NVDA | 67066G104 | $29.3M | 2.66% | 146,615 | SH |
| 13 | VISA INC | V | 92826C839 | $26.5M | 2.40% | 77,150 | SH |
| 14 | BROADCOM INC | AVGO | 11135F101 | $26.4M | 2.39% | 69,814 | SH |
| 15 | REVOLUTION MEDICINES INC | RVMD | 76155X100 | $22.5M | 2.04% | 120,200 | SH |
| 16 | NXP SEMICONDUCTORS NV | NXPI | N6596X109 | $22.3M | 2.02% | 79,301 | SH |
| 17 | NATERA INC | NTRA | 632307104 | $22.3M | 2.02% | 81,982 | SH |
| 18 | PLANET LABS PBC | PL | 72703X106 | $21.9M | 1.98% | 660,200 | SH |
| 19 | VERTIV HOLDINGS CO | VRT | 92537N108 | $21.3M | 1.93% | 63,502 | SH |
| 20 | TERADYNE INC | TER | 880770102 | $18.4M | 1.67% | 38,034 | SH |
| 21 | BLOOM ENERGY CORP | BE | 093712107 | $17.4M | 1.58% | 57,525 | SH |
| 22 | SEAGATE TECHNOLOGY HLDNGS PL | STX | G7997R103 | $17.2M | 1.56% | 17,844 | SH |
| 23 | DELL TECHNOLOGIES | DELL | 24703L202 | $16.2M | 1.47% | 37,500 | SH |
| 24 | TERAWULF INC | WULF | 88080T104 | $15.8M | 1.43% | 637,982 | SH |
| 25 | CROWDSTRIKE HOLDINGS INC | CRWD | 22788C105 | $15.7M | 1.42% | 20,511 | SH |
| 26 | CAPITAL ONE FINANCIAL CORP | COF | 14040H105 | $15.0M | 1.37% | 75,000 | SH |
| 27 | META PLATFORMS INC | META | 30303M102 | $14.9M | 1.36% | 26,520 | SH |
| 28 | ALPHABET INC | GOOGL | 02079K305 | $14.8M | 1.34% | 41,450 | SH |
| 29 | ANALOG DEVICES | ADI | 032654105 | $14.4M | 1.31% | 36,250 | SH |
| 30 | MARVELL TECHNOLOGY INC | MRVL | 573874104 | $14.4M | 1.30% | 48,233 | SH |
| 31 | QUANTA SVCS INC | PWR | 74762E102 | $14.3M | 1.30% | 19,850 | SH |
| 32 | SOLARIS ENERGY INFRASTRUCTURE | SEI | 83418M103 | $13.9M | 1.26% | 172,650 | SH |
| 33 | INTEL CORP | INTC | 458140100 | $13.7M | 1.25% | 98,400 | SH |
| 34 | DELTA AIR LINES INC | DAL | 247361702 | $12.5M | 1.14% | 133,850 | SH |
| 35 | SPOTIFY TECHNOLOGY S A | SPOT | L8681T102 | $12.4M | 1.13% | 27,021 | SH |
| 36 | ONTO INNOVATION INC | ONTO | 683344105 | $12.3M | 1.12% | 32,600 | SH |
| 37 | MICROCHIP TECHNOLOGY | MCHP | 595017104 | $11.5M | 1.04% | 125,644 | SH |
| 38 | CAREDX INC | CDNA | 14167L103 | $11.1M | 1.01% | 388,812 | SH |
| 39 | MICROSOFT CORP | MSFT | 594918104 | $10.9M | 0.99% | 29,200 | SH |
| 40 | APPLIED OPTOELR | AAOI | 03823U102 | $10.6M | 0.97% | 71,835 | SH |
| 41 | ARISTA NETWORKS INC | ANET | 040413205 | $10.6M | 0.96% | 62,304 | SH |
| 42 | PORCH GROUP INC | PRCH | 733245104 | $10.4M | 0.95% | 693,738 | SH |
| 43 | QXO INC | QXO | 82846H405 | $10.3M | 0.94% | 598,900 | SH |
| 44 | XOMETRY INC | XMTR | 98423F109 | $9.9M | 0.90% | 102,650 | SH |
| 45 | SIRIUSPOINT LTD | SPNT | G8192H106 | $9.5M | 0.87% | 397,350 | SH |
| 46 | THREDUP INC | TDUP | 88556E102 | $7.9M | 0.72% | 1,154,000 | SH |
| 47 | EMBRAER SA | EMBJ | 29082A107 | $7.8M | 0.71% | 122,161 | SH |
| 48 | FABRINET | FN | G3323L100 | $7.3M | 0.66% | 12,900 | SH |
| 49 | NETFLIX INC | NFLX | 64110L106 | $7.2M | 0.65% | 101,000 | SH |
| 50 | KRATOS DEFENSE & SECURITY SOLTNS INC | KTOS | 50077B207 | $7.1M | 0.65% | 143,026 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $1.10B | 70 | 0001104659-26-095779 |
| 2026-03-31 | 2026-05-05 | $722.2M | 61 | 0001104659-26-055325 |
| 2025-12-31 | 2026-02-10 | $1.61B | 106 | 0001104659-26-012400 |