What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0001533950
Total reported value
$1.1B
$1.1B
106 檔
34.2%
At the close of Q4 2025, Zweig-DiMenna Associates LLC disclosed equity holdings valued at approximately $1.1B, spread across 106 reported holdings.
Zweig-DiMenna Associates LLC executed strategic sector rebalancing during Q4 2025, establishing 30 new positions while fully exiting 23 holdings and trimming 29 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 5.27% | -5.47% | +1.74% | |
| 2 | APP | Applovin Corp-class A | Stock-Tech | 5.02% | -1.25% | +5.96% | |
| 3 | WGS | Genedx Holdings CORP | Stock-Other | 4.83% | -2.57% | -0.74% | |
| 4 | AVGO | Broadcom Inc | Stock-Tech | 4.56% | -0.59% | +0.80% | |
| 5 | ✓ | Stock-Other | 3.75% | — | — | ||
| 6 | ✓ | Amazon Com Inc | Stock-Other | 3.72% | — | — | |
| 7 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 3.60% | -0.82% | -0.81% | |
| 8 | LITE | Lumentum Holdings Inc | Stock-Tech | 3.01% | -1.12% | +0.47% | |
| 9 | PWR | Quanta Services Inc | Stock-Industrials | 2.59% | +0.12% | — | |
| 10 | NVDA | Nvidia CORP | Stock-Tech | 2.04% | -0.49% | +3.40% | |
| 11 | HUT | Hut 8 CORP | Stock-Financials | 1.92% | -0.31% | -4.84% | |
| 12 | NTRA | Natera Inc | Stock-Healthcare | 1.92% | -0.09% | +1.74% | |
| 13 | CLS | Celestica Inc | Stock-Tech | 1.84% | — | — | |
| 14 | ✓ | Cyberark Software LTD. Cmn | Stock-Other | 1.81% | — | — | |
| 15 | ✓ | Alphabet Inc | Stock-Other | 1.60% | — | — | |
| 16 | MSFT | Microsoft CORP | Stock-Tech | 1.42% | -0.44% | -2.67% | |
| 17 | WULF | Terawulf Inc | Stock-Financials | 1.33% | +0.10% | -0.64% | |
| 18 | MRVL | Marvell Technology Inc | Stock-Tech | 1.29% | +1.30% | NEW | |
| 19 | STX | Seagate Technology Holdings plc | Stock-Tech | 1.28% | +0.59% | -1.61% | |
| 20 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 1.25% | — | +149.77% | |
| 21 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.24% | -1.52% | +43.61% | |
| 22 | ✓ | Stock-Other | 1.23% | — | — | ||
| 23 | V | Visa Inc-class A Shares | Stock-Financials | 1.21% | -0.39% | +32.54% | |
| 24 | DAL | Delta Air Lines Inc | Stock-Industrials | 1.17% | -0.81% | +1.30% | |
| 25 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 1.02% | -0.83% | -1.94% | |
| 26 | SPOT | Spotify Technology S.A. | Stock-Comm Services | 1.02% | -0.71% | +99.75% | |
| 27 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.02% | -0.72% | +8.96% | |
| 28 | NFLX | Netflix Inc | Stock-Comm Services | 1.00% | -0.69% | +1256.04% | |
| 29 | AMD | Advanced Micro Devices | Stock-Tech | 0.99% | +2.35% | +2.72% | |
| 30 | KTOS | Kratos Defense & Security | Stock-Industrials | 0.98% | -0.86% | +0.31% | |
| 31 | SNDK | Sandisk CORP | Stock-Tech | 0.98% | +4.54% | — | |
| 32 | TER | Teradyne Inc | Stock-Tech | 0.97% | +0.11% | +9.96% | |
| 33 | WDC | Western Digital CORP | Stock-Tech | 0.89% | — | -6.59% | |
| 34 | PM | Philip Morris International | Stock-Consumer Staples | 0.89% | — | — | |
| 35 | COHR | Coherent CORP | Stock-Tech | 0.88% | -0.54% | — | |
| 36 | NXPI | NXP Semiconductors N.V. | Stock-Tech | 0.84% | +0.92% | +48.92% | |
| 37 | XBI | Ss Spdr S&p Biotech ETF | ETF-Tech | 0.84% | — | — | |
| 38 | TWLO | Twilio Inc - A | Stock-Tech | 0.82% | — | — | |
| 39 | FTAI | FTAI Aviation Ltd. | Stock-Industrials | 0.82% | — | -2.03% | |
| 40 | BSX | Boston Scientific CORP | Stock-Healthcare | 0.80% | — | -12.20% | |
| 41 | CDNA | Caredx Inc | Stock-Other | 0.79% | +0.07% | +18.09% | |
| 42 | EMBJ | Embraer Sa-spon Adr | Stock-Industrials | 0.78% | -0.29% | -0.56% | |
| 43 | LVS | Las Vegas Sands CORP | Stock-Consumer Disc | 0.78% | -0.73% | EXIT | |
| 44 | ✓ | Delta Air Lines Inc Del | Stock-Other | 0.75% | — | — | |
| 45 | PRCH | Porch Group Inc | Stock-Other | 0.75% | +0.12% | +36.92% | |
| 46 | DG | Dollar General CORP | Stock-Consumer Staples | 0.74% | — | — | |
| 47 | EOSE | Eos Energy Enterprises Inc | Stock-Other | 0.71% | — | -2.65% | |
| 48 | LRCX | Lam Research CORP | Stock-Tech | 0.69% | +0.65% | +6.78% | |
| 49 | GEV | GE Vernova Inc | Stock-Industrials | 0.69% | — | — | |
| 50 | SNPS | Synopsys Inc | Stock-Tech | 0.67% | -0.79% | EXIT |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | LITE | Lumentum Holdings Inc | +1.5% | +0.47% | Add |
| 2 | BABA | Alibaba Group Holding-sp Adr | +0.6% | +149.77% | Add |
| 3 | NTRA | Natera Inc | +0.4% | +1.74% | Add |
| 4 | SPOT | Spotify Technology S.A. | +0.3% | +99.75% | Add |
| 5 | WGS | Genedx Holdings CORP | +0.3% | -0.74% | Trim |
| 6 | TER | Teradyne Inc | +0.3% | +9.96% | Add |
| 7 | V | Visa Inc-class A Shares | +0.2% | +32.54% | Add |
| 8 | CDNA | Caredx Inc | +0.2% | +18.09% | Add |
| 9 | HUT | Hut 8 CORP | +0.2% | -4.84% | Trim |
| 10 | GOOGL | Alphabet Inc-cl A | +0.2% | +8.96% | Add |
| 11 | AMD | Advanced Micro Devices | +0.2% | +2.72% | Add |
| 12 | NXPI | NXP Semiconductors N.V. | +0.2% | +48.92% | Add |
| 13 | TWLO | Twilio Inc - A | +0.2% | — | Unchanged |
| 14 | META | Meta Platforms Inc-class A | +0.2% | +43.61% | Add |
| 15 | MU | Micron Technology Inc | +0.2% | — | Unchanged |
| 16 | WDC | Western Digital CORP | +0.1% | -6.59% | Trim |
| 17 | LRCX | Lam Research CORP | +0.1% | +6.78% | Add |
| 18 | CLS | Celestica Inc | +0.1% | — | Unchanged |
| 19 | DAL | Delta Air Lines Inc | +0.1% | +1.30% | Add |
| 20 | DG | Dollar General CORP | +0.1% | — | Unchanged |
| 21 | SPNT | SiriusPoint Ltd. | +0.1% | — | Unchanged |
| 22 | FDX | Fedex CORP | +0.1% | — | Unchanged |
| 23 | XHB | Ss Spdr S&p Homebldrs ETF | +0.1% | +104.35% | Add |
| 24 | OIH | Vaneck Oil Services ETF | +0.1% | +216.67% | Add |
| 25 | WGO | Winnebago Industries | 0% | — | Unchanged |
| 26 | STX | Seagate Technology Holdings plc | 0% | -1.61% | Trim |
| 27 | FTAI | FTAI Aviation Ltd. | 0% | -2.03% | Trim |
| 28 | TBBB | BBB Foods Inc. | 0% | -4.93% | Trim |
| 29 | CRM | Salesforce Inc | 0% | — | Unchanged |
| 30 | ADI | Analog Devices Inc | 0% | — | Unchanged |
| 31 | GS | Goldman Sachs Group Inc | 0% | — | Unchanged |
| 32 | ONB | Old National Bancorp | 0% | — | Unchanged |
| 33 | LVS | Las Vegas Sands CORP | 0% | -9.41% | Trim |
| 34 | XMTR | Xometry Inc-a | 0% | -1.12% | Trim |
| 35 | SGI | Somnigroup International Inc | 0% | -3.38% | Trim |
| 36 | GEV | GE Vernova Inc | 0% | — | Unchanged |
| 37 | MA | Mastercard Inc - A | 0% | — | Unchanged |
| 38 | PCOR | Procore Technologies Inc | 0% | — | Unchanged |
| 39 | EMBJ | Embraer Sa-spon Adr | -0.1% | -0.56% | Trim |
| 40 | ANET | Arista Networks Inc | -0.1% | — | Unchanged |
| 41 | NFLX | Netflix Inc | -0.1% | +1256.04% | Add |
| 42 | IOT | Samsara Inc-cl A | -0.1% | — | Unchanged |
| 43 | DDOG | Datadog Inc - Class A | -0.1% | — | Unchanged |
| 44 | VRT | Vertiv Holdings Co-a | -0.1% | -1.94% | Trim |
| 45 | AMN | Amn Healthcare Services Inc | -0.1% | — | Unchanged |
| 46 | LYV | Live Nation Entertainment In | -0.1% | — | Unchanged |
| 47 | EOSE | Eos Energy Enterprises Inc | -0.1% | -2.65% | Trim |
| 48 | ✓ | Bit Digital Inc | -0.1% | -7.95% | Trim |
| 49 | RBLX | Roblox CORP -class A | -0.1% | +17.17% | Add |
| 50 | TTD | Trade Desk Inc/the -class A | -0.1% | — | Unchanged |
According to official SEC Form 13F filings, Zweig-DiMenna Associates LLC reported a total U.S. public equity portfolio value of $1.1B across 106 disclosed positions in Q4 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including AMZN, APP, WGS) accounted for 34.2% of total reported equity market value during Q4 2025.
Top New Position Initiated
市值: $60.5M
Top Position Liquidated / Trimmed
BOSTON SCIENTIFIC CORP
前期市值: $58.6M
During Q4 2025, Zweig-DiMenna Associates LLC's top holdings by market value included AMZN (5.3%)、APP (5.0%)、WGS (4.8%). The largest single position, AMZN, represented 5.3% of total portfolio value.
In Q4 2025, Zweig-DiMenna Associates LLC made 105 total portfolio adjustments, initiating 30 new buys, adding to 23 positions, trimming 29 holdings, and fully liquidating 23 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.