13F 申報指南13F 觀念全攻略
什麼是 SEC Form 13F 申報？美股機構大戶持股全攻略
完整解讀 Form 13F 申報規範、1 億美元門檻與 45 天延遲申報機制，學會如何追蹤頂級對沖基金與機構法人持倉動向。
AlphaSMO 權威研究指南閱讀專題
CIK: 0001512805
申報總市值
US$20.4億
US$20.4億
299 檔
32.6%
Q1 2026 季度申報顯示，Westchester Capital Management, LLC 揭露的美股組合總市值為 US$20.4億，涵蓋 299 個不同之權益投資部位。
在 Q1 2026，Westchester Capital Management, LLC 操作展現出積極擴展與加碼意向。本季共新建倉 59 個新部位，並對 26 個既有持股進行加碼（合計增持 85 檔），相較減碼與清倉部位顯著佔優。
檢視投資組合結構，前 5 大主力部位（包含 EA, NSC, WBD）占據了總市值的 32.6%，展現出該機構在 Q1 2026 的重點資金聚焦與風險分佈特徵。
僅顯示前 200 大持股（共 299 檔）
| # | 代號 | 標的名稱 | 資產子類別 | 佔比 | 佔比變動 | 持倉量變化 | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | EA | Electronic Arts Inc | 股票-通訊服務 | 6.70% | +1.59% | +22.07% | |
| 2 | NSC | Norfolk Southern CORP | 股票-工業 | 6.52% | +1.42% | +29.42% | |
| 3 | WBD | Warner Bros Discovery Inc | 股票-通訊服務 | 6.51% | +0.95% | +31.49% | |
| 4 | WBS | Webster Financial CORP | 股票-金融 | 5.77% | -0.54% | — | |
| 5 | GTLS | Chart Industries Inc | 股票-工業 | 4.65% | +1.63% | — | |
| 6 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-大型股與成長 | 4.42% | -4.42% | EXIT | |
| 7 | UNF | Unifirst Corp/ma | 股票-其他 | 2.95% | +0.77% | — | |
| 8 | CWAN | Clearwater Analytics Holdings, Inc. | 股票-科技 | 2.81% | -2.81% | EXIT | |
| 9 | CTRA | Coterra Energy Inc | 股票-能源 | 2.53% | -2.53% | EXIT | |
| 10 | DBRG | Digitalbridge Group Inc | 股票-金融 | 2.05% | +0.81% | — | |
| 11 | SDA | Sealed Air CORP | 股票-循環性消費 | 1.80% | -1.80% | EXIT | |
| 12 | PRA | Proassurance CORP | 股票-其他 | 1.63% | -1.63% | EXIT | |
| 13 | HO1 | Hologic Inc | 股票-其他 | 1.56% | -1.56% | EXIT | |
| 14 | PEN | Penumbra Inc | 股票-醫療保健 | 1.14% | +1.29% | — | |
| 15 | MASI* | Masimo CORP | 股票-其他 | 1.12% | -1.12% | EXIT | |
| 16 | ANSCW | Agriculture & Natural Solutions Acquisition Corporation | 股票-其他 | 1.04% | +0.10% | +4.08% | |
| 17 | ✓ | Haymaker Acquisition CORP Iv | 股票-其他 | 1.01% | -1.01% | EXIT | |
| 18 | AL | Air Lease CORP | 股票-其他 | 0.98% | -0.98% | EXIT | |
| 19 | QRVO | Qorvo Inc | 股票-科技 | 0.93% | +1.50% | — | |
| 20 | ✓ | Drugs Made In Amer Acqutn Co | 股票-其他 | 0.79% | -0.49% | — | |
| 21 | K4F | Onestream Inc | 股票-其他 | 0.74% | -0.74% | EXIT | |
| 22 | ✓ | Sizzle Acquisition CORP. Ii | 股票-其他 | 0.73% | -0.13% | -0.19% | |
| 23 | APTV | Aptiv PLC | 股票-循環性消費 | 0.70% | -0.03% | — | |
| 24 | ✓ | 股票-其他 | 0.70% | +0.06% | -21.68% | ||
| 25 | ✓ | Globa Terra Acquisition Cor | 股票-其他 | 0.66% | +0.05% | — | |
| 26 | ✓ | Titan Acquisition CORP | 股票-其他 | 0.63% | -0.19% | — | |
| 27 | ✓ | 股票-其他 | 0.60% | +0.05% | +23.15% | ||
| 28 | ✓ | Oyster Enterprises Ii Acquis Ord Sh | 股票-其他 | 0.60% | +0.05% | — | |
| 29 | ✓ | Kochav Defense Acqui Co S | 股票-其他 | 0.60% | +0.05% | — | |
| 30 | ✓ | Soulpower Acquisition CORP | 股票-其他 | 0.59% | +0.06% | — | |
| 31 | ✓ | 股票-其他 | 0.59% | +0.05% | -7.41% | ||
| 32 | ✓ | 股票-其他 | 0.58% | +0.05% | +208.02% | ||
| 33 | B | Barrick Mining CORP | 股票-原物料 | 0.57% | +0.02% | — | |
| 34 | ✓ | Jackson Acquisition Co Ii | 股票-其他 | 0.57% | +0.05% | — | |
| 35 | ✓ | Aldel Finl Ii Inc | 股票-其他 | 0.56% | +0.05% | — | |
| 36 | JHG | Janus Henderson Group plc | 股票-金融 | 0.54% | +0.05% | — | |
| 37 | ✓ | 股票-其他 | 0.54% | +0.04% | — | ||
| 38 | ✓ | New Providence Acquisition C | 股票-其他 | 0.52% | +0.05% | -11.73% | |
| 39 | CZR | Caesars Entertainment Inc | 股票-循環性消費 | 0.52% | +1.52% | — | |
| 40 | ✓ | Oxley Bridge Acq LTD | 股票-其他 | 0.51% | +0.05% | +21.79% | |
| 41 | FDX | Fedex CORP | 股票-工業 | 0.50% | -0.16% | — | |
| 42 | VOYG | Voyager Technologies, Inc. | 股票-其他 | 0.47% | -0.47% | EXIT | |
| 43 | ✓ | 股票-其他 | 0.47% | +0.04% | — | ||
| 44 | ✓ | 股票-其他 | 0.46% | +0.04% | +53.85% | ||
| 45 | ✓ | 股票-其他 | 0.46% | +0.04% | — | ||
| 46 | ✓ | 股票-其他 | 0.45% | +0.04% | +100.00% | ||
| 47 | KDP | Keurig Dr Pepper Inc | 股票-非循環性消費 | 0.45% | -0.45% | EXIT | |
| 48 | ✓ | 股票-其他 | 0.44% | -0.44% | EXIT | ||
| 49 | ✓ | Archimedes Tech Spac Partner | 股票-其他 | 0.43% | -0.43% | EXIT | |
| 50 | ✓ | Newbury Str Ii Acquisition C | 股票-其他 | 0.43% | +0.04% | — |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | NSC | Norfolk Southern CORP | +1.8% | +29.42% | 加碼 |
| 2 | WBD | Warner Bros Discovery Inc | +1.7% | +31.49% | 加碼 |
| 3 | EA | Electronic Arts Inc | +1.6% | +22.07% | 加碼 |
| 4 | HO1 | Hologic Inc | +0.6% | +42.40% | 加碼 |
| 5 | ✓ | +0.4% | +208.02% | 加碼 | |
| 6 | CCIX | Churchill Capital Corp IX | +0.4% | +1003.09% | 加碼 |
| 7 | GTLS | Chart Industries Inc | +0.4% | — | 不變 |
| 8 | SDA | Sealed Air CORP | +0.3% | +10.79% | 加碼 |
| 9 | ✓ | +0.3% | +1178.50% | 加碼 | |
| 10 | ✓ | +0.2% | +100.00% | 加碼 | |
| 11 | ✓ | +0.2% | +196.00% | 加碼 | |
| 12 | ✓ | +0.2% | +633.57% | 加碼 | |
| 13 | KVUE | Kenvue Inc | +0.2% | +399.02% | 加碼 |
| 14 | ✓ | +0.2% | +53.85% | 加碼 | |
| 15 | ✓ | Blue Wtr Acquisition CORP. I | +0.2% | +182.78% | 加碼 |
| 16 | MHD | Blackrock Muniholdings Fund | +0.2% | +641.47% | 加碼 |
| 17 | ✓ | Berto Acquisition CORP | +0.2% | +62.33% | 加碼 |
| 18 | ✓ | +0.2% | +23.15% | 加碼 | |
| 19 | ✓ | Cslm Digita Asset Acq CORP I Usd Cl | +0.1% | +62.50% | 加碼 |
| 20 | KDP | Keurig Dr Pepper Inc | +0.1% | +36.90% | 加碼 |
| 21 | ✓ | Oxley Bridge Acq LTD | +0.1% | +21.79% | 加碼 |
| 22 | ANSCW | Agriculture & Natural Solutions Acquisition Corporation | +0.1% | +4.08% | 加碼 |
| 23 | AL | Air Lease CORP | +0.1% | — | 不變 |
| 24 | ✓ | Haymaker Acquisition CORP Iv | +0.1% | — | 不變 |
| 25 | ✓ | +0.1% | +31.96% | 加碼 | |
| 26 | ✓ | Drugs Made In Amer Acqutn Co | +0.1% | — | 不變 |
| 27 | ✓ | Globa Terra Acquisition Cor | +0.1% | — | 不變 |
| 28 | ✓ | Sizzle Acquisition CORP. Ii | +0.1% | -0.19% | 減碼 |
| 29 | ✓ | Jackson Acquisition Co Ii | +0.1% | — | 不變 |
| 30 | ✓ | Oyster Enterprises Ii Acquis Ord Sh | +0.1% | — | 不變 |
| 31 | ✓ | Kochav Defense Acqui Co S | +0.1% | — | 不變 |
| 32 | ✓ | +0.1% | — | 不變 | |
| 33 | ✓ | Titan Acquisition CORP | +0.1% | — | 不變 |
| 34 | ✓ | Aldel Finl Ii Inc | +0.1% | — | 不變 |
| 35 | BHF | Brighthouse Financial Inc | 0% | +42.54% | 加碼 |
| 36 | ✓ | Crown Resv Acquisition CORP I | 0% | +4.24% | 加碼 |
| 37 | ✓ | Soulpower Acquisition CORP | 0% | — | 不變 |
| 38 | ✓ | 0% | — | 不變 | |
| 39 | ✓ | Archimedes Tech Spac Partner | 0% | — | 不變 |
| 40 | ✓ | Newbury Str Ii Acquisition C | 0% | — | 不變 |
| 41 | MYI | Blackrock Muniyield Qlty Iii | 0% | +119.65% | 加碼 |
| 42 | MQY | Blackrock Muniyield Quality | 0% | +44.42% | 加碼 |
| 43 | ✓ | Mountain Lake Acquisition Co | 0% | — | 不變 |
| 44 | ✓ | Tavia Acquisition CORP | 0% | — | 不變 |
| 45 | ✓ | 0% | — | 不變 | |
| 46 | ✓ | Solarius Capital Acqu CORP S | 0% | — | 不變 |
| 47 | ALFUW | Centurion Acquisition Corp. | 0% | — | 不變 |
| 48 | ✓ | 0% | — | 不變 | |
| 49 | ✓ | 0% | — | 不變 | |
| 50 | ✓ | 0% | — | 不變 |
根據 SEC 官方 Form 13F 申報備案，Westchester Capital Management, LLC 在 Q1 2026 季度的美股持倉總市值約為 US$20.4億，共申報了 299 個公開持股部位。
在 Q1 2026 季度，Westchester Capital Management, LLC 按市值排列的前三大核心持股分別為：EA (6.7%)、NSC (6.5%)、WBD (6.5%)。其中最大持股部位 EA 佔據整體投資組合約 6.7% 的權重。
精選 AlphaSMO 大戶持股與內部人交易深度分析，提升投資決策勝率
完整解讀 Form 13F 申報規範、1 億美元門檻與 45 天延遲申報機制，學會如何追蹤頂級對沖基金與機構法人持倉動向。
本季最大新建倉標的
WBS
市值: US$1.3億
本季最大獲利了結 / 清倉標的
CYBERARK SOFTWARE LTD. CMN
前期市值: US$1.5億
在 Q1 2026 季度中，Westchester Capital Management, LLC 共進行了 152 項持倉異動，包含新建倉 59 個部位、加碼 26 個部位、減碼 25 個部位以及清倉 42 個部位。 其中最大新建倉標的為 WBS。 本季清倉部位包含 CYBERARK SOFTWARE LTD. CMN。
本頁面所有持股數據均直接同步自美國證券交易委員會（SEC）EDGAR 官方系統之 13F-HR / 13F-HR/A 季度申報文件。AlphaSMO 透過機器解析 CUSIP 與個股對照，提供 100% 精準對齊的歷史時序數據集，並支援 Schema.org 結構化資料格式。
解析公司高管、董事與 10% 大股東之 Form 4 內部人交易申報，掌握高管自家股票買賣第一手訊號。
深入剖析 5% 股益申報門檻、13D 與 13G 之差異，以及最新 SEC 申報時程規範，洞察機構法人的激進投資動向。