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: 0001177719
申報總市值
US$306.1億
US$306.1億
241 檔
14.9%
在 Q4 2025 申報期間，Westfield Capital Management Co LP（CIK: 0001177719）向美國 SEC 提交的 Form 13F 報告顯示，其追蹤之股票投資組合總市值達 US$306.1億，共持有 241 個公開申報部位。
Westfield Capital Management Co LP 於 Q4 2025 展現出進攻型調倉步調，本季推動了 30 檔股票的新建倉與 93 檔既有部位加碼，整體資金傾向擴大在美股市場的曝險佈局。
在資產配置集中度方面，Westfield Capital Management Co LP 的前 5 大核心持股（包含 NVDA, ASND, AAPL 等）合計佔整體申報市值的 14.9%，反映機構在主要關鍵部位上的權重分佈。
僅顯示前 200 大持股（共 241 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 | NVDA | Nvidia CORP | 股票-科技 | 4.62% | +0.66% | -8.55% | |
| 2 | ASND | Ascendis Pharma A/S | 股票-其他 | 4.61% | -4.62% | EXIT | |
| 3 | AAPL | Apple Inc | 股票-科技 | 3.71% | -0.91% | -1.81% | |
| 4 | MSFT | Microsoft CORP | 股票-科技 | 3.27% | -0.84% | -4.93% | |
| 5 | GOOGL | Alphabet Inc-cl A | 股票-通訊服務 | 2.84% | +1.93% | -2.95% | |
| 6 | FIX | Comfort Systems USA Inc | 股票-工業 | 2.60% | -1.29% | -19.73% | |
| 7 | AMZN | Amazon.com Inc | 股票-循環性消費 | 2.24% | -1.32% | -8.30% | |
| 8 | AXON | Axon Enterprise Inc | 股票-工業 | 1.97% | +0.83% | +13.99% | |
| 9 | FTAI | FTAI Aviation Ltd. | 股票-工業 | 1.93% | -0.33% | +10.35% | |
| 10 | HWM | Howmet Aerospace Inc | 股票-工業 | 1.90% | -0.52% | +10.54% | |
| 11 | META | Meta Platforms Inc-class A | 股票-通訊服務 | 1.80% | -0.01% | -14.64% | |
| 12 | AVGO | Broadcom Inc | 股票-科技 | 1.60% | +0.31% | -4.63% | |
| 13 | VRT | Vertiv Holdings Co-a | 股票-工業 | 1.54% | -0.87% | +1.36% | |
| 14 | LLY | Eli Lilly & Co | 股票-醫療保健 | 1.24% | +0.22% | +0.20% | |
| 15 | TPR | Tapestry Inc | 股票-循環性消費 | 1.12% | -0.49% | -14.39% | |
| 16 | RVMD | Revolution Medicines Inc | 股票-醫療保健 | 0.94% | -0.27% | +13.17% | |
| 17 | NOW | Servicenow Inc | 股票-科技 | 0.94% | +0.16% | +468.00% | |
| 18 | LPLA | Lpl Financial Holdings Inc | 股票-金融 | 0.93% | -0.38% | +8.71% | |
| 19 | V | Visa Inc-class A Shares | 股票-金融 | 0.88% | +0.27% | -14.43% | |
| 20 | BAC | Bank Of America CORP | 股票-金融 | 0.88% | -0.18% | -0.97% | |
| 21 | TSLA | Tesla Inc | 股票-循環性消費 | 0.86% | -0.42% | +14.21% | |
| 22 | MASI* | Masimo CORP | 股票-其他 | 0.82% | -0.25% | EXIT | |
| 23 | ARES | Ares Management CORP - A | 股票-金融 | 0.78% | -0.37% | +12.03% | |
| 24 | AME | Ametek Inc | 股票-工業 | 0.77% | -0.10% | +150.99% | |
| 25 | RKLB | Rocket Lab CORP | 股票-工業 | 0.75% | -0.15% | +6.34% | |
| 26 | SMTC | Semtech CORP | 股票-科技 | 0.75% | +0.19% | -27.56% | |
| 27 | HQY | Healthequity Inc | 股票-醫療保健 | 0.75% | -0.04% | +13.74% | |
| 28 | FITB | Fifth Third Bancorp | 股票-金融 | 0.73% | -0.33% | +131.30% | |
| 29 | AZO | Autozone Inc | 股票-循環性消費 | 0.72% | -0.16% | +11.69% | |
| 30 | MRVL | Marvell Technology Inc | 股票-科技 | 0.69% | -0.69% | -25.43% | |
| 31 | NTRA | Natera Inc | 股票-醫療保健 | 0.68% | +0.01% | +24.12% | |
| 32 | PCVX | Vaxcyte Inc | 股票-其他 | 0.68% | -0.42% | -5.17% | |
| 33 | CWST | Casella Waste Systems Inc-a | 股票-工業 | 0.68% | -0.01% | +1.05% | |
| 34 | NFLX | Netflix Inc | 股票-通訊服務 | 0.62% | -0.72% | +592.63% | |
| 35 | DT | Dynatrace Inc | 股票-科技 | 0.61% | -0.04% | +0.33% | |
| 36 | SNOW | Snowflake Inc | 股票-科技 | 0.59% | +0.99% | +12.90% | |
| 37 | HUBS | Hubspot Inc | 股票-科技 | 0.59% | -0.24% | EXIT | |
| 38 | IOT | Samsara Inc-cl A | 股票-科技 | 0.58% | -0.05% | +4.00% | |
| 39 | ABVX | Abivax Sa-adr | 股票-其他 | 0.57% | -0.05% | — | |
| 40 | RYTM | Rhythm Pharmaceuticals Inc | 股票-其他 | 0.57% | +0.10% | +18.54% | |
| 41 | TSM | Taiwan Semiconductor-sp Adr | 股票-科技 | 0.56% | +0.10% | -4.54% | |
| 42 | MKSI | Mks Inc | 股票-科技 | 0.56% | +0.34% | +159.70% | |
| 43 | LEGN | Legend Biotech Corp-adr | 股票-其他 | 0.56% | -0.02% | +1.15% | |
| 44 | CVLT | Commvault Systems Inc | 股票-科技 | 0.55% | — | +34.46% | |
| 45 | WGS | Genedx Holdings CORP | 股票-其他 | 0.55% | -0.37% | EXIT | |
| 46 | APG | Api Group CORP | 股票-工業 | 0.55% | +0.06% | — | |
| 47 | TEAM | Atlassian Corp-cl A | 股票-科技 | 0.55% | — | +151.90% | |
| 48 | ADMA | Adma Biologics Inc | 股票-醫療保健 | 0.53% | — | +36.93% | |
| 49 | RRX | Regal Rexnord CORP | 股票-工業 | 0.52% | +0.13% | -26.90% | |
| 50 | RCL | Royal Caribbean Cruises Ltd. | 股票-循環性消費 | 0.52% | -0.45% | +33.32% |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | GOOGL | Alphabet Inc-cl A | +0.6% | -2.95% | 減碼 |
| 2 | AME | Ametek Inc | +0.5% | +150.99% | 加碼 |
| 3 | RVMD | Revolution Medicines Inc | +0.5% | +13.17% | 加碼 |
| 4 | FTAI | FTAI Aviation Ltd. | +0.4% | +10.35% | 加碼 |
| 5 | FITB | Fifth Third Bancorp | +0.4% | +131.30% | 加碼 |
| 6 | MKSI | Mks Inc | +0.4% | +159.70% | 加碼 |
| 7 | ABBV | Abbvie Inc | +0.4% | +5194.95% | 加碼 |
| 8 | LLY | Eli Lilly & Co | +0.4% | +0.20% | 加碼 |
| 9 | TEAM | Atlassian Corp-cl A | +0.3% | +151.90% | 加碼 |
| 10 | HUBS | Hubspot Inc | +0.3% | +162.46% | 加碼 |
| 11 | DHR | Danaher CORP | +0.3% | +6390.75% | 加碼 |
| 12 | WGS | Genedx Holdings CORP | +0.3% | +87.15% | 加碼 |
| 13 | NTRA | Natera Inc | +0.3% | +24.12% | 加碼 |
| 14 | FFIV | F5 Inc | +0.3% | +1634.27% | 加碼 |
| 15 | RKLB | Rocket Lab CORP | +0.3% | +6.34% | 加碼 |
| 16 | HWM | Howmet Aerospace Inc | +0.3% | +10.54% | 加碼 |
| 17 | ASND | Ascendis Pharma A/S | +0.2% | -1.41% | 減碼 |
| 18 | ADMA | Adma Biologics Inc | +0.2% | +36.93% | 加碼 |
| 19 | PODD | Insulet CORP | +0.2% | +91.90% | 加碼 |
| 20 | PH | Parker Hannifin CORP | +0.2% | +706.93% | 加碼 |
| 21 | HLT | Hilton Worldwide Holdings In | +0.2% | +53.06% | 加碼 |
| 22 | PR | Permian Resources Corp-cl A | +0.2% | +77.24% | 加碼 |
| 23 | IDXX | Idexx Laboratories Inc | +0.2% | +56.64% | 加碼 |
| 24 | TT | Trane Technologies plc | +0.2% | +642.42% | 加碼 |
| 25 | AAPL | Apple Inc | +0.2% | -1.81% | 減碼 |
| 26 | EWBC | East West Bancorp Inc | +0.2% | +48.28% | 加碼 |
| 27 | BURL | Burlington Stores Inc | +0.1% | +46.83% | 加碼 |
| 28 | IMAX | Imax CORP | +0.1% | +44.61% | 加碼 |
| 29 | LPLA | Lpl Financial Holdings Inc | +0.1% | +8.71% | 加碼 |
| 30 | VRT | Vertiv Holdings Co-a | +0.1% | +1.36% | 加碼 |
| 31 | PCVX | Vaxcyte Inc | +0.1% | -5.17% | 減碼 |
| 32 | FTI | TechnipFMC plc | +0.1% | +31.91% | 加碼 |
| 33 | IONQ | Ionq Inc | +0.1% | +203.17% | 加碼 |
| 34 | TSLA | Tesla Inc | +0.1% | +14.21% | 加碼 |
| 35 | RYTM | Rhythm Pharmaceuticals Inc | +0.1% | +18.54% | 加碼 |
| 36 | FN | Fabrinet | +0.1% | +16.67% | 加碼 |
| 37 | PLMR | Palomar Holdings Inc | +0.1% | +13.77% | 加碼 |
| 38 | FICO | Fair Isaac CORP | +0.1% | +37.34% | 加碼 |
| 39 | SLAB | Silicon Laboratories Inc | +0.1% | +59.91% | 加碼 |
| 40 | GL | Globe Life Inc | +0.1% | +41.37% | 加碼 |
| 41 | JBHT | Hunt (jb) Transprt Svcs Inc | +0.1% | +7.18% | 加碼 |
| 42 | ARES | Ares Management CORP - A | +0.1% | +12.03% | 加碼 |
| 43 | MSCI | Msci Inc | +0.1% | +18.50% | 加碼 |
| 44 | ROK | Rockwell Automation Inc | +0.1% | +14.42% | 加碼 |
| 45 | FCFS | Firstcash Holdings Inc | +0.1% | +27.29% | 加碼 |
| 46 | ALKT | Alkami Technology Inc | +0.1% | +33.06% | 加碼 |
| 47 | WTFC | Wintrust Financial CORP | +0.1% | +22.50% | 加碼 |
| 48 | CALX | Calix Inc | +0.1% | +67.42% | 加碼 |
| 49 | BLD | Topbuild CORP | +0.1% | +13.52% | 加碼 |
| 50 | JBL | Jabil Inc | +0.1% | +23.39% | 加碼 |
根據 SEC 官方 Form 13F 申報備案，Westfield Capital Management Co LP 在 Q4 2025 季度的美股持倉總市值約為 US$306.1億，共申報了 241 個公開持股部位。
在 Q4 2025 季度，Westfield Capital Management Co LP 按市值排列的前三大核心持股分別為：NVDA (4.6%)、ASND (4.6%)、AAPL (3.7%)。其中最大持股部位 NVDA 佔據整體投資組合約 4.6% 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
ABVX
市值: US$1.4億
本季最大獲利了結 / 清倉標的
MERUS N V
前期市值: US$2.0億
在 Q4 2025 季度中，Westfield Capital Management Co LP 共進行了 200 項持倉異動，包含新建倉 30 個部位、加碼 93 個部位、減碼 48 個部位以及清倉 29 個部位。 其中最大新建倉標的為 ABVX。 本季清倉部位包含 MERUS N V。
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。