13F 申报指南13F 概念全攻略
什么是 SEC Form 13F 申报？美股机构大户持股全攻略
完整解读 Form 13F 申报规范、1 亿美元门槛与 45 天延迟申报机制，学会如何追踪顶级对冲基金与机构法人持仓动向。
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CIK: 0000201772
申报总市值
US$7.6亿
US$7.6亿
306 檔
9.4%
Essex Investment Management Co LLC 在 Q1 2026 季度的美股仓位总计估值为 US$7.6亿，分散于 306 个持仓标的之中，反映其市场参与广度与投资规模。
Essex Investment Management Co LLC 在 Q1 2026 进行了结构性的板块轮动与仓位换股。在开立 26 个全新仓位及加仓 69 档持股的同时，亦同步清仓 24 档并减仓 70 档标的。
在资产配置集中度方面，Essex Investment Management Co LLC 的前 5 大核心持股（包含 TSEM, LINC, STRL 等）合计占整体申报市值的 9.4%，反映机构在主要关键仓位上的权重分布。
仅显示前 200 大持股（共 306 只）
| # | 代码 | 标的名称 | 资产子类别 | 占比 | 占比变动 | 持仓量变化 | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TSEM | Tower Semiconductor Ltd. | 股票-科技 | 3.22% | +0.38% | -39.82% | |
| 2 | LINC | Lincoln Educational Services | 股票-其他 | 2.29% | -0.07% | -8.62% | |
| 3 | STRL | Sterling Infrastructure Inc | 股票-工业 | 2.07% | -0.29% | -28.26% | |
| 4 | KNSA | Kiniksa Pharmaceuticals International, plc | 股票-其他 | 1.90% | +0.12% | -0.68% | |
| 5 | LGND | Ligand Pharmaceuticals | 股票-医疗保健 | 1.85% | -0.05% | -2.60% | |
| 6 | DRS | Leonardo Drs Inc | 股票-工业 | 1.84% | -0.44% | +1.79% | |
| 7 | KTOS | Kratos Defense & Security | 股票-工业 | 1.77% | -0.77% | -16.48% | |
| 8 | GSAT | Globalstar Inc | 股票-其他 | 1.74% | -1.74% | EXIT | |
| 9 | INSM | Insmed Inc | 股票-医疗保健 | 1.62% | -1.02% | +0.41% | |
| 10 | GHM | Graham CORP | 股票-其他 | 1.60% | -0.09% | -8.81% | |
| 11 | MIRM | Mirum Pharmaceuticals Inc | 股票-其他 | 1.58% | +0.04% | -2.67% | |
| 12 | CECO | Ceco Environmental CORP | 股票-其他 | 1.48% | +0.31% | +1.81% | |
| 13 | HCI | Hci Group Inc | 股票-其他 | 1.41% | -0.12% | -2.66% | |
| 14 | AGX | Argan Inc | 股票-工业 | 1.39% | +0.23% | -41.73% | |
| 15 | AAPL | Apple Inc | 股票-科技 | 1.31% | -0.08% | -6.56% | |
| 16 | BWAY | Brainsway Ltd-adr | 股票-其他 | 1.30% | -0.10% | +103.35% | |
| 17 | AEM | Agnico Eagle Mines LTD | 股票-原材料 | 1.24% | -0.46% | -3.45% | |
| 18 | AMSC | American Superconductor CORP | 股票-其他 | 1.22% | -0.01% | +5.77% | |
| 19 | AMPX | Amprius Technologies Inc | 股票-其他 | 1.19% | -0.67% | -13.80% | |
| 20 | GEV | GE Vernova Inc | 股票-工业 | 1.15% | +0.12% | -3.30% | |
| 21 | PRIM | Primoris Services CORP | 股票-工业 | 1.09% | -1.09% | EXIT | |
| 22 | ADPT | Adaptive Biotechnologies | 股票-其他 | 1.08% | +0.25% | -20.96% | |
| 23 | TTI | Tetra Technologies Inc | 股票-其他 | 1.04% | +0.06% | +1.80% | |
| 24 | GS | Goldman Sachs Group Inc | 股票-金融 | 1.01% | -0.01% | -12.74% | |
| 25 | WLDN | Willdan Group Inc | 股票-其他 | 0.95% | -0.17% | +1.78% | |
| 26 | COHU | Cohu Inc | 股票-其他 | 0.93% | +0.34% | +1.78% | |
| 27 | MSFT | Microsoft CORP | 股票-科技 | 0.93% | -0.16% | -10.34% | |
| 28 | MIR | Mirion Technologies Inc | 股票-工业 | 0.91% | -0.22% | +1.90% | |
| 29 | AMZN | Amazon.com Inc | 股票-周期性消费 | 0.90% | -0.06% | -5.64% | |
| 30 | OII | Oceaneering Intl Inc | 股票-能源 | 0.89% | -0.09% | +1.89% | |
| 31 | WMS | Advanced Drainage Systems In | 股票-工业 | 0.88% | -0.05% | -5.29% | |
| 32 | BVS | Bioventus Inc - A | 股票-其他 | 0.87% | -0.87% | EXIT | |
| 33 | MAMA | Mama's Creations Inc | 股票-其他 | 0.83% | -0.07% | +1.80% | |
| 34 | BWXT | Bwx Technologies Inc | 股票-工业 | 0.83% | -0.18% | -6.21% | |
| 35 | PATK | Patrick Industries Inc | 股票-周期性消费 | 0.81% | +0.17% | +0.62% | |
| 36 | LYTS | Lsi Industries Inc | 股票-其他 | 0.81% | +0.22% | +1.80% | |
| 37 | ORN | Orion Group Holdings Inc | 股票-其他 | 0.80% | +0.18% | +2.67% | |
| 38 | NVCR | NovoCure Limited | 股票-医疗保健 | 0.78% | +0.09% | — | |
| 39 | TVTX | Travere Therapeutics Inc | 股票-其他 | 0.76% | +0.24% | +1.89% | |
| 40 | AIP | Arteris Inc | 股票-其他 | 0.76% | +1.01% | +1.81% | |
| 41 | AVPT | Avepoint Inc | 股票-其他 | 0.75% | +0.09% | -1.88% | |
| 42 | ASML | ASML Holding N.V. | 股票-科技 | 0.74% | +0.18% | -6.57% | |
| 43 | SNDX | Syndax Pharmaceuticals Inc | 股票-其他 | 0.74% | -0.74% | EXIT | |
| 44 | CXDO | Crexendo Inc | 股票-其他 | 0.73% | -0.03% | +1.80% | |
| 45 | ECG | Everus Construction Group | 股票-工业 | 0.71% | +0.08% | +1.89% | |
| 46 | XERS | Xeris Biopharma Holdings Inc | 股票-其他 | 0.69% | +0.05% | +1.80% | |
| 47 | GMED | Globus Medical Inc - A | 股票-医疗保健 | 0.68% | -0.17% | -2.73% | |
| 48 | AMBA | Ambarella, Inc. | 股票-科技 | 0.67% | +0.23% | -1.74% | |
| 49 | XZO | Exzeo Group Inc | 股票-其他 | 0.67% | -0.08% | -1.02% | |
| 50 | FEIM | Frequency Electronics Inc | 股票-其他 | 0.65% | +0.12% | +1.80% |
| # | 代码 | 标的名称 | 占比变动 | 持仓量变化 | 异动类型 |
|---|---|---|---|---|---|
| 1 | LINC | Lincoln Educational Services | +0.9% | -8.62% | 减仓 |
| 2 | AMPX | Amprius Technologies Inc | +0.6% | -13.80% | 减仓 |
| 3 | DRS | Leonardo Drs Inc | +0.5% | +1.79% | 加仓 |
| 4 | BVS | Bioventus Inc - A | +0.4% | +55.52% | 加仓 |
| 5 | BWAY | Brainsway Ltd-adr | +0.4% | +103.35% | 加仓 |
| 6 | OII | Oceaneering Intl Inc | +0.3% | +1.89% | 加仓 |
| 7 | KNSA | Kiniksa Pharmaceuticals International, plc | +0.3% | -0.68% | 减仓 |
| 8 | CODA | Coda Octopus Group Inc | +0.3% | +713.94% | 加仓 |
| 9 | RPID | Rapid Micro Biosystems Inc-a | +0.3% | +1318.24% | 加仓 |
| 10 | GEV | GE Vernova Inc | +0.3% | -3.30% | 减仓 |
| 11 | AMSC | American Superconductor CORP | +0.3% | +5.77% | 加仓 |
| 12 | LPTH | Lightpath Technologies Inc-a | +0.3% | +429.33% | 加仓 |
| 13 | IDN | Intellicheck Inc | +0.3% | +67.09% | 加仓 |
| 14 | COHU | Cohu Inc | +0.3% | +1.78% | 加仓 |
| 15 | MIRM | Mirum Pharmaceuticals Inc | +0.2% | -2.67% | 减仓 |
| 16 | ECG | Everus Construction Group | +0.2% | +1.89% | 加仓 |
| 17 | GHM | Graham CORP | +0.2% | -8.81% | 减仓 |
| 18 | AEM | Agnico Eagle Mines LTD | +0.2% | -3.45% | 减仓 |
| 19 | GSAT | Globalstar Inc | +0.2% | -1.03% | 减仓 |
| 20 | PKE | Park Aerospace CORP | +0.2% | +1.80% | 加仓 |
| 21 | BKSY | Blacksky Technology Inc | +0.2% | +1.80% | 加仓 |
| 22 | MTDR | Matador Resources Co | +0.2% | +2.05% | 加仓 |
| 23 | DCBO | Docebo Inc | +0.1% | +70.66% | 加仓 |
| 24 | MAMA | Mama's Creations Inc | +0.1% | +1.80% | 加仓 |
| 25 | PRIM | Primoris Services CORP | +0.1% | -5.50% | 减仓 |
| 26 | LNG | Cheniere Energy Inc | +0.1% | -1.82% | 减仓 |
| 27 | BKR | Baker Hughes Co | +0.1% | -6.83% | 减仓 |
| 28 | ASML | ASML Holding N.V. | +0.1% | -6.57% | 减仓 |
| 29 | ORN | Orion Group Holdings Inc | +0.1% | +2.67% | 加仓 |
| 30 | LGND | Ligand Pharmaceuticals | +0.1% | -2.60% | 减仓 |
| 31 | XPRO | Expro Group Holdings N.V. | +0.1% | +1.90% | 加仓 |
| 32 | BWXT | Bwx Technologies Inc | +0.1% | -6.21% | 减仓 |
| 33 | CCLD | Carecloud Inc | +0.1% | +1.89% | 加仓 |
| 34 | ENPH | Enphase Energy Inc | +0.1% | +46.84% | 加仓 |
| 35 | NXT | Nextpower Inc-cl A | +0.1% | +23.11% | 加仓 |
| 36 | MASS | 908 Devices Inc | +0.1% | +1.78% | 加仓 |
| 37 | AMTB | Amerant Bancorp Inc | +0.1% | +1.77% | 加仓 |
| 38 | AIP | Arteris Inc | +0.1% | +1.81% | 加仓 |
| 39 | ON | On Semiconductor | +0.1% | +41.88% | 加仓 |
| 40 | BGC | Bgc Group Inc-a | +0.1% | +1.90% | 加仓 |
| 41 | CECO | Ceco Environmental CORP | +0.1% | +1.81% | 加仓 |
| 42 | AGX | Argan Inc | +0.1% | -41.73% | 减仓 |
| 43 | CARR | Carrier Global CORP | +0.1% | +43.09% | 加仓 |
| 44 | GENC | Gencor Industries Inc | +0.1% | +2.74% | 加仓 |
| 45 | SMTC | Semtech CORP | +0.1% | +1.89% | 加仓 |
| 46 | LYTS | Lsi Industries Inc | +0.1% | +1.80% | 加仓 |
| 47 | CTVA | Corteva Inc | +0.1% | -2.15% | 减仓 |
| 48 | RVSB | Riverview Bancorp Inc | +0.1% | +2.71% | 加仓 |
| 49 | JAZZ | Jazz Pharmaceuticals plc | +0.1% | -6.11% | 减仓 |
| 50 | PATK | Patrick Industries Inc | +0.1% | +0.62% | 加仓 |
根据 SEC 官方 Form 13F 申报备案，Essex Investment Management Co LLC 在 Q1 2026 季度的美股持仓总市值约为 US$7.6亿，共申报了 306 个公开持股仓位。
在 Q1 2026 季度，Essex Investment Management Co LLC 按市值排列的前三大核心持股分别为：TSEM (3.2%)、LINC (2.3%)、STRL (2.1%)。其中最大持股仓位 TSEM 占据整体投资组合约 3.2% 的权重。
精选 AlphaSMO 大户持股与内部人交易深度分析，提升投资决策胜率
完整解读 Form 13F 申报规范、1 亿美元门槛与 45 天延迟申报机制，学会如何追踪顶级对冲基金与机构法人持仓动向。
本季最大新建仓标的
NVCR
市值: US$493.1万
本季最大获利了结 / 清仓标的
BBNX
前期市值: US$663.6万
在 Q1 2026 季度中，Essex Investment Management Co LLC 共进行了 189 项持仓异动，包含新建仓 26 个仓位、加仓 69 个仓位、减仓 70 个仓位以及清仓 24 个仓位。 其中最大新建仓标的为 NVCR。 本季清仓仓位包含 BBNX。
本页面所有持股数据均直接同步自美国证券交易委员会（SEC）EDGAR 官方系统之 13F-HR / 13F-HR/A 季度申报文件。AlphaSMO 通过机器解析 CUSIP 与个股对照，提供 100% 精准对齐的历史时序数据集，并支持 Schema.org 结构化数据格式。
解析公司高管、董事与 10% 大股东之 Form 4 内部人交易申报，掌握高管自家股票买卖第一手信号。
深入剖析 5% 股权申报门槛、13D 与 13G 之差异，以及最新 SEC 申报时程规范，洞察机构法人的激进投资动向。