CIK: 0001533950
Total reported value
$722.2M
Reporting period: 2026-03-31 · Number of holdings: 61
Zweig-DiMenna Associates LLC disclosed 61 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $722.2M and a quarterly turnover rate of 101.9%.
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Zweig-DiMenna Associates LLC's disclosed holdings carry a Herfindahl concentration index of 0.033 — mathematically equivalent to about 30 equally-sized positions, well below its 61 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 1.03), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Add AMZN
-2.2% -$10.0M
Add COHR
+51.8% $13.6M
Add LRCX
+47.6% $9.4M
Trim AVGO
-67.2% -$52.0M
Trim PWR
-84.3% -$33.2M
Add WGS
+15.3% -$33.5M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AMZN | Amazon.com INC | Stock-Consumer Disc | 10.37% | +5.10% | -2.18% | |
| 2 | WGS | Genedx Holdings CORP | Stock-Other | 6.13% | +1.30% | +15.30% | |
| 3 | APP | Applovin Corp-class A | Stock-Tech | 4.46% | -0.56% | -32.51% | |
| 4 | LITE | Lumentum Holdings INC | Stock-Tech | 3.97% | +0.96% | -69.03% | |
| 5 | COHR | Coherent CORP | Stock-Tech | 3.85% | +2.97% | +51.82% | |
| 6 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 3.62% | +0.02% | -59.45% | |
| 7 | NVDA | Nvidia CORP | Stock-Tech | 3.15% | +1.11% | -25.93% | |
| 8 | AMAT | Applied Materials INC | Stock-Tech | 3.09% | +3.09% | NEW | |
| 9 | AVGO | Broadcom INC | Stock-Tech | 2.98% | -1.58% | -67.23% | |
| 10 | META | Meta Platforms Inc-class A | Stock-Comm Services | 2.88% | — | +19.89% | |
| 11 | LRCX | Lam Research CORP | Stock-Tech | 2.85% | +2.16% | +47.55% | |
| 12 | V | Visa Inc-class A Shares | Stock-Financials | 2.79% | — | +20.40% | |
| 13 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 2.76% | — | -21.74% | |
| 14 | CRWD | Crowdstrike Holdings INC - A | Stock-Tech | 2.51% | +2.51% | NEW | |
| 15 | SNDK | Sandisk CORP | Stock-Tech | 2.19% | — | -62.63% | |
| 16 | MU | Micron Technology INC | Stock-Tech | 2.13% | — | +72.34% | |
| 17 | NTRA | Natera INC | Stock-Healthcare | 2.11% | +0.19% | -43.43% | |
| 18 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 2.06% | — | -1.15% | |
| 19 | DAL | Delta Air Lines INC | Stock-Industrials | 1.95% | — | -22.13% | |
| 20 | SPOT | Spotify Technology S.A. | Stock-Comm Services | 1.84% | — | -2.94% | |
| 21 | QXO | Qxo INC | Stock-Industrials | 1.57% | +1.57% | NEW | |
| 22 | TER | Teradyne INC | Stock-Tech | 1.56% | — | -52.83% | |
| 23 | KTOS | Kratos Defense & Security | Stock-Industrials | 1.51% | — | -25.82% | |
| 24 | MSFT | Microsoft CORP | Stock-Tech | 1.43% | +0.01% | -41.31% | |
| 25 | NFLX | Netflix INC | Stock-Comm Services | 1.34% | — | -41.00% | |
| 26 | ANET | Arista Networks INC | Stock-Tech | 1.33% | — | +248.89% | |
| 27 | WULF | Terawulf INC | Stock-Financials | 1.33% | — | -64.32% | |
| 28 | MCHP | Microchip Technology INC | Stock-Tech | 1.32% | — | +20.99% | |
| 29 | SPNT | SiriusPoint Ltd. | Stock-Other | 1.19% | — | -19.16% | |
| 30 | PWR | Quanta Services INC | Stock-Industrials | 1.18% | -1.41% | -84.29% | |
| 31 | BE | Bloom Energy Corp- A | Stock-Industrials | 1.17% | +1.17% | NEW | |
| 32 | NXPI | NXP Semiconductors N.V. | Stock-Tech | 1.10% | — | -35.34% | |
| 33 | EMBJ | Embraer Sa-spon Adr | Stock-Industrials | 1.00% | — | -37.40% | |
| 34 | AMD | Advanced Micro Devices | Stock-Tech | 0.98% | -0.01% | -53.39% | |
| 35 | STX | Seagate Technology Holdings plc | Stock-Tech | 0.97% | -0.31% | -76.21% | |
| 36 | HUT | Hut 8 CORP | Stock-Financials | 0.95% | -0.97% | -78.35% | |
| 37 | CDNA | Caredx INC | Stock-Other | 0.94% | — | -42.52% | |
| 38 | AAOI | Applied Optoelectronics INC | Stock-Tech | 0.94% | — | +1.97% | |
| 39 | FN | Fabrinet | Stock-Tech | 0.93% | — | — | |
| 40 | PRCH | Porch Group INC | Stock-Other | 0.83% | — | -36.84% | |
| 41 | SNOW | Snowflake INC | Stock-Tech | 0.83% | — | — | |
| 42 | ✓ | Applovin CORP | Stock-Other | 0.83% | — | — | |
| 43 | SNPS | Synopsys INC | Stock-Tech | 0.79% | — | -37.05% | |
| 44 | LVS | Las Vegas Sands CORP | Stock-Consumer Disc | 0.73% | — | -49.35% | |
| 45 | TDUP | Thredup INC - Class A | Stock-Other | 0.66% | — | +170.10% | |
| 46 | LUXE | Luxexperience BV | Stock-Other | 0.65% | — | +15.23% | |
| 47 | VST | Vistra CORP | Stock-Utilities | 0.60% | — | — | |
| 48 | XMTR | Xometry Inc-a | Stock-Other | 0.58% | — | -19.46% | |
| 49 | ✓ | Genedx Holdings CORP | Stock-Other | 0.44% | — | — | |
| 50 | ALNT | Allient INC | Stock-Other | 0.38% | — | — |
Performance for Q3 2026
-0.7%
Performance Last 4 Quarters
+40.4%
Based on 85% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 61 | $722.2M | 100 | |
| 2025-12-31 | 106 | $1.6B | 55 | |
| 2025-09-30 | 99 | $1.4B | 85 | |
| 2025-06-30 | 86 | $1.1B | 0 | |
| 2025-03-31 | 64 | $631.4M | 100 | |
| 2024-12-31 | 89 | $1.3B | 0 | |
| 2024-09-30 | 86 | $990.0M | 0 | |
| 2024-06-30 | 76 | $888.0M | 0 | |
| 2024-03-31 | 122 | $1.1B | 0 | |
| 2023-12-31 | 107 | $886.6M | 0 | |
| 2023-09-30 | 110 | $844.0M | 0 | |
| 2023-06-30 | 114 | $800.3M | 0 | |
| 2023-03-31 | 104 | $738.9M | 0 | |
| 2022-12-31 | 108 | $686.5M | 0 | |
| 2022-09-30 | 86 | $459.3M | 0 | |
| 2022-06-30 | 90 | $526.4M | 0 | |
| 2022-03-31 | 97 | $750.3M | 0 | |
| 2021-12-31 | 117 | $1.2B | 0 | |
| 2021-09-30 | 164 | $1.4B | 0 | |
| 2021-06-30 | 196 | $1.7B | 100 | |
| 2021-03-31 | 182 | $1.4B | 78 | |
| 2020-12-31 | 136 | $1.6B | 70 | |
| 2020-09-30 | 130 | $1.5B | 61 | |
| 2020-06-30 | 105 | $948.6M | 100 | |
| 2020-03-31 | 76 | $754.9M | 85 | |
| 2019-12-31 | 84 | $1.0B | 71 | |
| 2019-09-30 | 99 | $1.1B | 62 | |
| 2019-06-30 | 98 | $1.1B | 67 | |
| 2019-03-31 | 98 | $898.8M | 81 | |
| 2018-12-31 | 126 | $1.0B | 69 | |
| 2018-09-30 | 138 | $1.2B | 90 | |
| 2018-06-30 | 139 | $1.6B | 85 | |
| 2018-03-31 | 134 | $1.1B | 94 | |
| 2017-12-31 | 121 | $921.3M | 96 | |
| 2017-09-30 | 172 | $1.1B | 71 | |
| 2017-06-30 | 204 | $1.4B | 100 | |
| 2017-03-31 | 161 | $1.1B | 100 | |
| 2016-12-31 | 203 | $1.4B | 91 | |
| 2016-09-30 | 177 | $1.2B | 68 | |
| 2016-06-30 | 144 | $979.0M | 89 | |
| 2016-03-31 | 170 | $1.1B | 100 | |
| 2015-12-31 | 244 | $2.0B | 88 | |
| 2015-09-30 | 218 | $2.3B | 82 | |
| 2015-06-30 | 248 | $1.8B | 80 | |
| 2015-03-31 | 270 | $2.4B | 82 | |
| 2014-12-31 | 259 | $2.3B | 89 | |
| 2014-09-30 | 260 | $2.3B | 70 | |
| 2014-06-30 | 244 | $2.2B | 92 | |
| 2014-03-31 | 224 | $1.7B | 100 | |
| 2013-12-31 | 246 | $2.7B | 81 | |
| 2013-09-30 | 227 | $2.5B | 84 | |
| 2013-06-30 | 193 | $2.5B | — |
Zweig-DiMenna Associates LLC's most significant position changes for 2026-03-31: Sold out: ; Sold out: Amazon Com INC; Sold out: Celestica INC (CLS); Sold out: Cyberark Software LTD; Sold out: Alphabet INC.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | AMZN | Amazon.com INC | +5.1% | -2.18% | Trim |
| 2 | COHR | Coherent CORP | +3% | +51.82% | Add |
| 3 | LRCX | Lam Research CORP | +2.2% | +47.55% | Add |
| 4 | WGS | Genedx Holdings CORP | +1.3% | +15.30% | Add |
| 5 | NVDA | Nvidia CORP | +1.1% | -25.93% | Trim |
| 6 | LITE | Lumentum Holdings INC | +1% | -69.03% | Trim |
| 7 | NTRA | Natera INC | +0.2% | -43.43% | Trim |
| 8 | TSM | Taiwan Semiconductor-sp Adr | 0% | -59.45% | Trim |
| 9 | MSFT | Microsoft CORP | 0% | -41.31% | Trim |
| 10 | WULF | Terawulf INC | — | -64.32% | Trim |
| 11 | AMD | Advanced Micro Devices | 0% | -53.39% | Trim |
| 12 | STX | Seagate Technology Holdings plc | -0.3% | -76.21% | Trim |
| 13 | APP | Applovin Corp-class A | -0.6% | -32.51% | Trim |
| 14 | HUT | Hut 8 CORP | -1% | -78.35% | Trim |
| 15 | PWR | Quanta Services INC | -1.4% | -84.29% | Trim |
| 16 | AVGO | Broadcom INC | -1.6% | -67.23% | Trim |
| 17 | ✓ | — | EXIT | Sold out | |
| 18 | ✓ | Amazon Com INC | — | EXIT | Sold out |
| 19 | CLS | Celestica INC | — | EXIT | Sold out |
| 20 | ✓ | Cyberark Software LTD | — | EXIT | Sold out |
| 21 | ✓ | Alphabet INC | — | EXIT | Sold out |
| 22 | AMAT | Applied Materials INC | — | NEW | New buy |
| 23 | MRVL | Marvell Technology INC | — | EXIT | Sold out |
| 24 | BABA | Alibaba Group Holding-sp Adr | — | EXIT | Sold out |
| 25 | ✓ | — | EXIT | Sold out | |
| 26 | CRWD | Crowdstrike Holdings INC - A | — | NEW | New buy |
| 27 | WDC | Western Digital CORP | — | EXIT | Sold out |
| 28 | PM | Philip Morris International | — | EXIT | Sold out |
| 29 | XBI | Ss Spdr S&p Biotech ETF | — | EXIT | Sold out |
| 30 | TWLO | Twilio INC - A | — | EXIT | Sold out |
| 31 | FTAI | FTAI Aviation Ltd. | — | EXIT | Sold out |
| 32 | BSX | Boston Scientific CORP | — | EXIT | Sold out |
| 33 | ✓ | Delta Air Lines INC Del | — | EXIT | Sold out |
| 34 | DG | Dollar General CORP | — | EXIT | Sold out |
| 35 | EOSE | Eos Energy Enterprises INC | — | EXIT | Sold out |
| 36 | QXO | Qxo INC | — | NEW | New buy |
| 37 | GEV | GE Vernova INC | — | EXIT | Sold out |
| 38 | LOAR | Loar Holdings INC | — | EXIT | Sold out |
| 39 | FIGR | Figure Technology Solut-cl A | — | EXIT | Sold out |
| 40 | AGI | Alamos Gold Inc-class A | — | EXIT | Sold out |
| 41 | ZS | Zscaler INC | — | EXIT | Sold out |
| 42 | CRM | Salesforce INC | — | EXIT | Sold out |
| 43 | FDX | Fedex CORP | — | EXIT | Sold out |
| 44 | HOOD | Robinhood Markets INC - A | — | EXIT | Sold out |
| 45 | CEG | Constellation Energy | — | EXIT | Sold out |
| 46 | TBBB | BBB Foods Inc. | — | EXIT | Sold out |
| 47 | RYTM | Rhythm Pharmaceuticals INC | — | EXIT | Sold out |
| 48 | MTZ | Mastec INC | — | EXIT | Sold out |
| 49 | BE | Bloom Energy Corp- A | — | NEW | New buy |
| 50 | ADI | Analog Devices INC | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-05 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-10 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-07 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-05 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-07 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-01-21 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-10-23 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-07-24 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-04-29 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-01-25 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-10-25 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-07-26 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-04-28 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-07 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-10-28 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-07-28 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-04-25 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-01-27 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-10-25 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-07-29 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-04-26 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-01-26 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-10-27 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-07-29 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-04-29 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-01-30 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-10-31 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-07-10 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-04-29 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-01-25 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-10-15 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-01 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-07 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-12 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-11-06 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-07 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-08 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-02-10 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-14 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-08 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-10 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-10 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-09 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-10 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-11 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-02-12 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-11-10 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-12 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-08 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-02-11 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-12 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-08-12 | 13F-HR | View on EDGAR |
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