Zweig-DiMenna Associates LLC
In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 7, 2025), Zweig-DiMenna Associates LLC reported 62 stock positions worth $624.2 million. Its top holding was Amazon.com (AMZN) at 9.0% of the portfolio, followed by Genedx (WGS, 6.5%) and Broadcom (AVGO, 5.6%). Compared with Q4 2024, it opened 21 new positions, sold out of 48, added to 14 and reduced 27. The biggest buy was Genedx (WGS, shares +48%) and the biggest sale an exit from Vistra (VST).
- Most Recent 13F
- Q2 2026
- Location
- NEW YORK, NY
- CIK
- 0001533950
- Portfolio Value
- $624.2M (Q1 2025)
- SEC Filing
- 0001104659-25-045346 ↗ filed May 7, 2025
Holdings Value
Holdings 62 stocks · $624.2M
| AMZN Amazon.com Inc. | 8.96% | 294,109 | $56.0M | Add +3.9% |
| WGS Genedx Holdings Corp. | 6.49% | 457,100 | $40.5M | Add +47.7% |
| AVGO Broadcom Inc. | 5.63% | 210,060 | $35.2M | Reduce -31.2% |
| APP AppLovin Corp. Class A | 5.63% | 132,635 | $35.1M | Add +80.5% |
| PWR Quanta Services Inc. | 3.92% | 96,325 | $24.5M | Add +10.0% |
| CYBR Cyberark Software Ltd./Israel | 3.02% | 55,708 | $18.8M | Add +36.9% |
| BABA Alibaba Group Holding-SP ADR | 2.78% | 131,100 | $17.3M | New |
| NTRA Natera Inc. | 2.73% | 120,490 | $17.0M | Reduce -47.5% |
| NVDA Nvidia Corp. | 2.72% | 156,740 | $17.0M | Reduce -66.7% |
| V Visa Inc. Class A | 2.53% | 45,097 | $15.8M | Add +6.8% |
| FTAI Ftai Aviation Ltd. | 2.46% | 138,200 | $15.3M | Add +58.7% |
| PM Philip Morris International | 2.37% | 93,300 | $14.8M | Reduce -40.4% |
| SPOT Spotify Technology SA | 2.12% | 24,030 | $13.2M | Reduce -19.5% |
| ISRG Intuitive Surgical Inc. | 2.04% | 25,743 | $12.7M | New |
| LOAR Loar Holdings Inc. | 1.99% | 175,925 | $12.4M | Add +1.8% |
| BSX Boston Scientific Corp. | 1.99% | 123,000 | $12.4M | Reduce -56.5% |
| DAL Delta Air Lines Inc. | 1.96% | 281,310 | $12.3M | Add +4.7% |
| TSM Taiwan Semiconductor-SP ADR | 1.94% | 73,135 | $12.1M | Reduce -39.0% |
| META Meta Platforms Inc. Class A | 1.83% | 19,775 | $11.4M | Reduce -71.1% |
| RNR Renaissancere Holdings Ltd. | 1.78% | 46,400 | $11.1M | New |
| MSFT Microsoft Corp. | 1.69% | 28,100 | $10.5M | Reduce -71.0% |
| CRM Salesforce Inc. | 1.60% | 37,258 | $10.0M | Reduce -6.4% |
| MA Mastercard Inc. Class A | 1.53% | 17,450 | $9.6M | Reduce -16.3% |
| TCEHY Tencent Holdings Ltd.-Uns ADR | 1.48% | 145,000 | $9.3M | New |
| MELI MercadoLibre Inc. | 1.48% | 4,740 | $9.2M | New |
| TERAWULF INC | 1.48% | 3,375,758 | $9.2M | New |
| ZS Zscaler Inc. | 1.40% | 43,995 | $8.7M | Reduce -43.5% |
| JD Jd.com Inc.-ADR | 1.31% | 198,600 | $8.2M | New |
| NFLX Netflix Inc. | 1.30% | 8,710 | $8.1M | Reduce -31.4% |
| DG Dollar General Corp. | 1.27% | 90,000 | $7.9M | Add +50.1% |
| SPNT Siriuspoint Ltd. | 1.21% | 438,500 | $7.6M | New |
| EMBJ Embraer SA-Spon ADR | 1.14% | 154,180 | $7.1M | New |
| VRT Vertiv Holdings Co. Class A | 1.12% | 97,100 | $7.0M | Reduce -68.2% |
| TBBB BBB Foods Inc. Class A | 1.11% | 258,766 | $6.9M | Reduce -34.8% |
| WYNN WYNN Resorts Ltd. | 1.10% | 82,467 | $6.9M | Reduce -13.7% |
| WRBY Warby Parker Inc. Class A | 1.02% | 348,150 | $6.3M | Reduce -12.1% |
| WGO Winnebago Industries | 1.00% | 181,657 | $6.3M | New |
| GKOS Glaukos Corp. | 0.96% | 60,800 | $6.0M | Add +3.6% |
| IOT Samsara Inc. Class A | 0.90% | 145,800 | $5.6M | Reduce -60.6% |
| AMN Amn Healthcare Services Inc. | 0.87% | 223,241 | $5.5M | New |
| MRVL Marvell Technology Inc. | 0.85% | 86,027 | $5.3M | Reduce -59.7% |
| AXON Axon Enterprise Inc. | 0.77% | 9,150 | $4.8M | Add +18.1% |
| GOOGL Alphabet Inc. Class A | 0.73% | 29,350 | $4.5M | Reduce -56.2% |
| TER Teradyne Inc. | 0.68% | 51,329 | $4.2M | Reduce -73.0% |
| PCOR Procore Technologies Inc. | 0.66% | 62,283 | $4.1M | Reduce -48.1% |
| PDD PDD Holdings Inc. | 0.65% | 34,500 | $4.1M | New |
| DDOG Datadog Inc. Class A | 0.64% | 40,239 | $4.0M | Reduce -53.6% |
| MU Micron Technology Inc. | 0.62% | 44,500 | $3.9M | Reduce -72.3% |
| OIH Vaneck Oil Services ETF | 0.55% | 13,200 | $3.5M | Add +238.5% |
| FUTU Futu Holdings Ltd.-ADR filed as FUTU HLDGS LTD | 0.54% | 33,200 | $3.4M | New |
| AMD Advanced Micro Devices | 0.53% | 31,894 | $3.3M | Reduce -73.6% |
| AFRM Affirm Holdings Inc. | 0.48% | 66,900 | $3.0M | New |
| TLN Talen Energy Corp. | 0.37% | 11,500 | $2.3M | New |
| PTON Peloton Interactive Inc. Class A | 0.36% | 352,000 | $2.2M | New |
| TTAN Servicetitan Inc. Class A | 0.34% | 22,200 | $2.1M | New |
| SNDK Sandisk Corp. | 0.32% | 42,503 | $2.0M | Add +0.1% |
| ANET Arista Networks Inc. | 0.28% | 22,500 | $1.7M | Reduce -81.1% |
| PRCH Porch Group Inc. | 0.26% | 220,000 | $1.6M | New |
| MDB Mongodb Inc. | 0.21% | 7,500 | $1.3M | New |
| ANF Abercrombie & Fitch Co. Class A | 0.18% | 15,000 | $1.1M | Reduce -69.0% |
| KSS Kohls Corp. | 0.05% | 39,900 | $326K | New |
| AI C3.AI Inc. Class A | 0.04% | 13,000 | $274K | New |
Options reported separately and not counted above: PM calls ($3.8M), TERAWULF INC calls ($3.4M).
Portfolio Sells Q4 2024 → Q1 2025
| VST Vistra Corp. | Sold out | 0.00% | −2.94 |
| NVDA Nvidia Corp. | Reduce -66.7% | 2.72% | −2.62 |
| EG Everest Group Ltd. | Sold out | 0.00% | −2.45 |
| VRT Vertiv Holdings Co. Class A | Reduce -68.2% | 1.12% | −1.81 |
| MSFT Microsoft Corp. | Reduce -71.0% | 1.69% | −1.75 |
| NOW ServiceNow Inc. | Sold out | 0.00% | −1.68 |
| ACGL Arch Capital Group Ltd. | Sold out | 0.00% | −1.60 |
| META Meta Platforms Inc. Class A | Reduce -71.1% | 1.83% | −1.56 |
| HUBS HubSpot Inc. | Sold out | 0.00% | −1.55 |
| ORCL Oracle Corp. | Sold out | 0.00% | −1.51 |
| WMT Walmart Inc. | Sold out | 0.00% | −1.44 |
| TER Teradyne Inc. | Reduce -73.0% | 0.68% | −1.34 |
| AAPL Apple Inc. | Sold out | 0.00% | −1.29 |
| MRVL Marvell Technology Inc. | Reduce -59.7% | 0.85% | −1.14 |
| ETN Eaton Corp. PLC | Sold out | 0.00% | −1.10 |
| WULF Terawulf Inc. | Sold out | 0.00% | −1.05 |
| SMTC Semtech Corp. | Sold out | 0.00% | −1.02 |
| CAMT Camtek Ltd. | Sold out | 0.00% | −0.92 |
| ANET Arista Networks Inc. | Reduce -81.1% | 0.28% | −0.83 |
| FCX Freeport-McMoran Inc. | Sold out | 0.00% | −0.81 |
| CDNS Cadence Design SYS Inc. | Sold out | 0.00% | −0.79 |
| AMD Advanced Micro Devices | Reduce -73.6% | 0.53% | −0.71 |
| PANW Palo Alto Networks Inc. | Sold out | 0.00% | −0.69 |
| DELL Dell Technologies -C | Sold out | 0.00% | −0.65 |
| WDC Western Digital Corp. | Sold out | 0.00% | −0.64 |
| CWAN Clearwater Analytics HDS-A | Sold out | 0.00% | −0.62 |
| LITE Lumentum Holdings Inc. | Sold out | 0.00% | −0.60 |
| CCRN Cross Country Healthcare Inc. | Sold out | 0.00% | −0.58 |
| TSLA Tesla Inc. | Sold out | 0.00% | −0.55 |
| MU Micron Technology Inc. | Reduce -72.3% | 0.62% | −0.52 |
| IOT Samsara Inc. Class A | Reduce -60.6% | 0.90% | −0.47 |
| ANF Abercrombie & Fitch Co. Class A | Reduce -69.0% | 0.18% | −0.43 |
| DT Dynatrace Inc. | Sold out | 0.00% | −0.43 |
| RIG Transocean Ltd. | Sold out | 0.00% | −0.42 |
| DDOG Datadog Inc. Class A | Reduce -53.6% | 0.64% | −0.41 |
| RKLB Rocket Lab USA Inc. | Sold out | 0.00% | −0.40 |
| CRWD CrowdStrike Holdings Inc. Class A | Sold out | 0.00% | −0.40 |
| ONTO Onto Innovation Inc. | Sold out | 0.00% | −0.39 |
| SDRL Seadrill Limited | Sold out | 0.00% | −0.38 |
| COIN Coinbase Global Inc. Class A | Sold out | 0.00% | −0.36 |
| STX Seagate Technology Holdings | Sold out | 0.00% | −0.36 |
| LLY Eli Lilly & Co. | Sold out | 0.00% | −0.35 |
| AEM Agnico Eagle Mines Ltd. | Sold out | 0.00% | −0.35 |
| CTRA Coterra Energy Inc. | Sold out | 0.00% | −0.35 |
| AVGO Broadcom Inc. | Reduce -31.2% | 5.63% | −0.35 |
| GOOGL Alphabet Inc. Class A | Reduce -56.2% | 0.73% | −0.34 |
| UBER Uber Technologies Inc. | Sold out | 0.00% | −0.34 |
| NTRA Natera Inc. | Reduce -47.5% | 2.73% | −0.34 |
| AL Sumisho Air Lease Corp. | Sold out | 0.00% | −0.27 |
| GLNG Golar LNG Ltd. | Sold out | 0.00% | −0.20 |
Portfolio Buys Q4 2024 → Q1 2025
| WGS Genedx Holdings Corp. | Add +47.7% | 6.49% | +4.48 |
| AMZN Amazon.com Inc. | Add +3.9% | 8.96% | +3.72 |
| APP AppLovin Corp. Class A | Add +80.5% | 5.63% | +3.62 |
| BABA Alibaba Group Holding-SP ADR | New | 2.78% | +2.78 |
| ISRG Intuitive Surgical Inc. | New | 2.04% | +2.04 |
| CYBR Cyberark Software Ltd./Israel | Add +36.9% | 3.02% | +1.87 |
| RNR Renaissancere Holdings Ltd. | New | 1.78% | +1.78 |
| PWR Quanta Services Inc. | Add +10.0% | 3.92% | +1.58 |
| TCEHY Tencent Holdings Ltd.-Uns ADR | New | 1.48% | +1.48 |
| MELI MercadoLibre Inc. | New | 1.48% | +1.48 |
| TERAWULF INC | New | 1.48% | +1.48 |
| V Visa Inc. Class A | Add +6.8% | 2.53% | +1.40 |
| FTAI Ftai Aviation Ltd. | Add +58.7% | 2.46% | +1.40 |
| JD Jd.com Inc.-ADR | New | 1.31% | +1.31 |
| SPNT Siriuspoint Ltd. | New | 1.21% | +1.21 |
| EMBJ Embraer SA-Spon ADR | New | 1.14% | +1.14 |
| WGO Winnebago Industries | New | 1.00% | +1.00 |
| LOAR Loar Holdings Inc. | Add +1.8% | 1.99% | +0.91 |
| DG Dollar General Corp. | Add +50.1% | 1.27% | +0.88 |
| AMN Amn Healthcare Services Inc. | New | 0.87% | +0.87 |
| PDD PDD Holdings Inc. | New | 0.65% | +0.65 |
| DAL Delta Air Lines Inc. | Add +4.7% | 1.96% | +0.59 |
| FUTU Futu Holdings Ltd.-ADR | New | 0.54% | +0.54 |
| AFRM Affirm Holdings Inc. | New | 0.48% | +0.48 |
| OIH Vaneck Oil Services ETF | Add +238.5% | 0.55% | +0.46 |
| AXON Axon Enterprise Inc. | Add +18.1% | 0.77% | +0.38 |
| TLN Talen Energy Corp. | New | 0.37% | +0.37 |
| PTON Peloton Interactive Inc. Class A | New | 0.36% | +0.36 |
| TTAN Servicetitan Inc. Class A | New | 0.34% | +0.34 |
| PRCH Porch Group Inc. | New | 0.26% | +0.26 |
| GKOS Glaukos Corp. | Add +3.6% | 0.96% | +0.22 |
| MDB Mongodb Inc. | New | 0.21% | +0.21 |
| SNDK Sandisk Corp. | Add +0.1% | 0.32% | +0.15 |
| KSS Kohls Corp. | New | 0.05% | +0.05 |
| AI C3.AI Inc. Class A | New | 0.04% | +0.04 |
Options Activity Q4 2024 → Q1 2025
| QQQ Invesco QQQ Trust Series 1 | put | Sold out | 300,000 | $153.4Mbefore exit |
| PM Philip Morris International | call | New | 240 | $3.8M |
| TERAWULF INC | call | New | 12,500 | $3.4M |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 70 | $1.1B | SNDK, AMZN, MU, WGS, AMAT |
| Q1 2026 | 59 | $713.0M | AMZN, WGS, APP, LITE, COHR |
| Q4 2025 | 97 | $1.4B | AMZN, APP, WGS, AVGO, TSM |
| Q3 2025 | 94 | $1.3B | APP, AMZN, AVGO, WGS, TSM |
| Q2 2025 | 83 | $974.6M | AMZN, AVGO, WGS, TSM, APP |
| Q1 2025 | 62 | $624.2M | AMZN, WGS, AVGO, APP, PWR |
| Q4 2024 | 88 | $1.2B | AVGO, NVDA, AMZN, MSFT, META |
| Q3 2024 | 85 | $985.5M | NVDA, AMZN, AVGO, MSFT, META |
| Q2 2024 | 75 | $880.6M | AMZN, NVDA, MSFT, AVGO, META |
| Q1 2024 | 121 | $1.1B | AMZN, NVDA, MSFT, EG, META |