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
235 檔
15.3%
Q3 2025 季度申報顯示，Westfield Capital Management Co LP 揭露的美股組合總市值為 US$306.1億，涵蓋 235 個不同之權益投資部位。
Q3 2025 的申報記錄反映 Westfield Capital Management Co LP 的板塊替換策略：機構本季推動了 92 筆增持與 108 筆減持，籌碼呈現明顯的結構重組。
整體而言，Westfield Capital Management Co LP 的前 5 大持股（包含 NVDA, ASND, MSFT）貢獻了組合市值的 15.3%，形成該機構在 Q3 2025 季度的基本面基石。
僅顯示前 200 大持股（共 235 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 | 5.09% | +0.66% | -13.76% | |
| 2 | ASND | Ascendis Pharma A/S | 股票-其他 | 4.39% | -4.62% | EXIT | |
| 3 | MSFT | Microsoft CORP | 股票-科技 | 3.71% | -0.84% | -2.97% | |
| 4 | AAPL | Apple Inc | 股票-科技 | 3.56% | -0.91% | -4.57% | |
| 5 | FIX | Comfort Systems USA Inc | 股票-工業 | 2.88% | -1.29% | -11.02% | |
| 6 | META | Meta Platforms Inc-class A | 股票-通訊服務 | 2.37% | -0.01% | -10.57% | |
| 7 | AMZN | Amazon.com Inc | 股票-循環性消費 | 2.34% | -1.32% | -18.02% | |
| 8 | GOOGL | Alphabet Inc-cl A | 股票-通訊服務 | 2.29% | +1.93% | -12.72% | |
| 9 | AXON | Axon Enterprise Inc | 股票-工業 | 2.20% | +0.83% | -7.71% | |
| 10 | HWM | Howmet Aerospace Inc | 股票-工業 | 1.65% | -0.52% | +4.78% | |
| 11 | AVGO | Broadcom Inc | 股票-科技 | 1.61% | +0.31% | -12.71% | |
| 12 | FTAI | FTAI Aviation Ltd. | 股票-工業 | 1.49% | -0.33% | +11.22% | |
| 13 | VRT | Vertiv Holdings Co-a | 股票-工業 | 1.42% | -0.87% | -14.79% | |
| 14 | TDG | Transdigm Group Inc | 股票-工業 | 1.21% | -0.06% | EXIT | |
| 15 | TPR | Tapestry Inc | 股票-循環性消費 | 1.16% | -0.49% | -28.33% | |
| 16 | NFLX | Netflix Inc | 股票-通訊服務 | 1.16% | -0.72% | -8.45% | |
| 17 | SMTC | Semtech CORP | 股票-科技 | 1.01% | +0.19% | +23.05% | |
| 18 | V | Visa Inc-class A Shares | 股票-金融 | 1.01% | +0.27% | -11.39% | |
| 19 | NOW | Servicenow Inc | 股票-科技 | 1.00% | +0.16% | -12.83% | |
| 20 | MRVL | Marvell Technology Inc | 股票-科技 | 0.92% | -0.69% | — | |
| 21 | LLY | Eli Lilly & Co | 股票-醫療保健 | 0.89% | +0.22% | -9.91% | |
| 22 | MASI* | Masimo CORP | 股票-其他 | 0.88% | -0.25% | EXIT | |
| 23 | ✓ | Merus N V | 股票-其他 | 0.84% | — | +4.41% | |
| 24 | BAC | Bank Of America CORP | 股票-金融 | 0.84% | -0.18% | -8.46% | |
| 25 | LEGN | Legend Biotech Corp-adr | 股票-其他 | 0.83% | -0.02% | -5.84% | |
| 26 | AZO | Autozone Inc | 股票-循環性消費 | 0.82% | -0.16% | +19.87% | |
| 27 | LPLA | Lpl Financial Holdings Inc | 股票-金融 | 0.80% | -0.38% | -26.43% | |
| 28 | TSLA | Tesla Inc | 股票-循環性消費 | 0.75% | -0.42% | -7.80% | |
| 29 | RRX | Regal Rexnord CORP | 股票-工業 | 0.74% | +0.13% | +40.41% | |
| 30 | ORCL | Oracle CORP | 股票-科技 | 0.71% | — | -11.60% | |
| 31 | RBLX | Roblox CORP -class A | 股票-通訊服務 | 0.69% | +0.18% | NEW | |
| 32 | ARES | Ares Management CORP - A | 股票-金融 | 0.69% | -0.37% | -4.74% | |
| 33 | GEV | GE Vernova Inc | 股票-工業 | 0.69% | +0.20% | -18.31% | |
| 34 | HQY | Healthequity Inc | 股票-醫療保健 | 0.68% | -0.04% | +35.68% | |
| 35 | DT | Dynatrace Inc | 股票-科技 | 0.68% | -0.04% | +13.35% | |
| 36 | COHR | Coherent CORP | 股票-科技 | 0.67% | -0.02% | +90.25% | |
| 37 | CWST | Casella Waste Systems Inc-a | 股票-工業 | 0.66% | -0.01% | +6.16% | |
| 38 | DXCM | Dexcom Inc | 股票-醫療保健 | 0.65% | — | -2.86% | |
| 39 | CVLT | Commvault Systems Inc | 股票-科技 | 0.62% | — | +135.56% | |
| 40 | P | Everpure Inc-a | 股票-科技 | 0.62% | -0.05% | +69.44% | |
| 41 | SN | SharkNinja, Inc. | 股票-循環性消費 | 0.61% | +0.10% | -0.17% | |
| 42 | BE | Bloom Energy Corp- A | 股票-工業 | 0.59% | -0.67% | — | |
| 43 | IOT | Samsara Inc-cl A | 股票-科技 | 0.59% | -0.05% | +7.12% | |
| 44 | PCVX | Vaxcyte Inc | 股票-其他 | 0.56% | -0.42% | +21.63% | |
| 45 | MNDY | monday.com Ltd. | 股票-科技 | 0.56% | — | EXIT | |
| 46 | TSM | Taiwan Semiconductor-sp Adr | 股票-科技 | 0.55% | +0.10% | -19.46% | |
| 47 | PRIM | Primoris Services CORP | 股票-工業 | 0.55% | -0.21% | +44.80% | |
| 48 | SNOW | Snowflake Inc | 股票-科技 | 0.54% | +0.99% | +53.89% | |
| 49 | RVMD | Revolution Medicines Inc | 股票-醫療保健 | 0.49% | -0.27% | +52.42% | |
| 50 | RKLB | Rocket Lab CORP | 股票-工業 | 0.49% | -0.15% | +3.08% |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | FIX | Comfort Systems USA Inc | +1.5% | -11.02% | 減碼 |
| 2 | NVDA | Nvidia CORP | +1.2% | -13.76% | 減碼 |
| 3 | HWM | Howmet Aerospace Inc | +0.9% | +4.78% | 加碼 |
| 4 | SMTC | Semtech CORP | +0.8% | +23.05% | 加碼 |
| 5 | VRT | Vertiv Holdings Co-a | +0.6% | -14.79% | 減碼 |
| 6 | COHR | Coherent CORP | +0.6% | +90.25% | 加碼 |
| 7 | ✓ | Merus N V | +0.5% | +4.41% | 加碼 |
| 8 | AVGO | Broadcom Inc | +0.5% | -12.71% | 減碼 |
| 9 | FTAI | FTAI Aviation Ltd. | +0.5% | +11.22% | 加碼 |
| 10 | PRIM | Primoris Services CORP | +0.5% | +44.80% | 加碼 |
| 11 | HQY | Healthequity Inc | +0.4% | +35.68% | 加碼 |
| 12 | HEI-A | Heico Corp-class A | +0.4% | +13.41% | 加碼 |
| 13 | MSFT | Microsoft CORP | +0.4% | -2.97% | 減碼 |
| 14 | MASI* | Masimo CORP | +0.3% | +20.15% | 加碼 |
| 15 | RVMD | Revolution Medicines Inc | +0.3% | +52.42% | 加碼 |
| 16 | P | Everpure Inc-a | +0.3% | +69.44% | 加碼 |
| 17 | LYV | Live Nation Entertainment In | +0.2% | -4.63% | 加碼 |
| 18 | ASND | Ascendis Pharma A/S | +0.2% | -3.51% | 減碼 |
| 19 | ORCL | Oracle CORP | +0.2% | -11.60% | 減碼 |
| 20 | VST | Vistra CORP | +0.2% | -5.15% | 加碼 |
| 21 | NFLX | Netflix Inc | +0.2% | -8.45% | 加碼 |
| 22 | RRX | Regal Rexnord CORP | +0.2% | +40.41% | 加碼 |
| 23 | GENI | Genius Sports Limited | +0.2% | +82.69% | 加碼 |
| 24 | NXT | Nextpower Inc-cl A | +0.2% | +6.11% | 加碼 |
| 25 | CRDO | Credo Technology Group Holding Ltd | +0.2% | -10.51% | 減碼 |
| 26 | BAC | Bank Of America CORP | +0.2% | -8.46% | 加碼 |
| 27 | PCVX | Vaxcyte Inc | +0.2% | +21.63% | 加碼 |
| 28 | TSLA | Tesla Inc | +0.2% | -7.80% | 減碼 |
| 29 | WGS | Genedx Holdings CORP | +0.2% | -7.65% | 加碼 |
| 30 | ONTO | Onto Innovation Inc | +0.1% | +35.17% | 加碼 |
| 31 | HLI | Houlihan Lokey Inc | +0.1% | +17.59% | 加碼 |
| 32 | KNSL | Kinsale Capital Group Inc | +0.1% | +21.08% | 加碼 |
| 33 | KEY | Keycorp | +0.1% | -4.24% | 加碼 |
| 34 | TOST | Toast Inc-class A | +0.1% | -35.46% | 加碼 |
| 35 | SN | SharkNinja, Inc. | +0.1% | -0.17% | 加碼 |
| 36 | RYTM | Rhythm Pharmaceuticals Inc | +0.1% | -34.40% | 減碼 |
| 37 | PRCT | Procept Biorobotics CORP | +0.1% | +23.26% | 加碼 |
| 38 | ROKU | Roku Inc | +0.1% | +0.44% | 減碼 |
| 39 | BIRK | Birkenstock Holding plc | +0.1% | +34.44% | 加碼 |
| 40 | DSGX | Descartes Systems Grp/the | +0.1% | +54.14% | 加碼 |
| 41 | NXPI | NXP Semiconductors N.V. | +0.1% | — | 加碼 |
| 42 | TRU | Transunion | +0.1% | +27.96% | 加碼 |
| 43 | LECO | Lincoln Electric Holdings | +0.1% | +21.38% | 加碼 |
| 44 | ETNBGBP | 89bio Inc | +0.1% | -2.36% | 減碼 |
| 45 | SPOT | Spotify Technology S.A. | +0.1% | -5.54% | 加碼 |
| 46 | RIOT | Riot Platforms Inc | +0.1% | -21.98% | 減碼 |
| 47 | COR | Cencora Inc | 0% | +21.17% | 加碼 |
| 48 | ITT | Itt Inc | 0% | -13.58% | 減碼 |
| 49 | AIT | Applied Industrial Tech Inc | 0% | +6.39% | 加碼 |
| 50 | TSM | Taiwan Semiconductor-sp Adr | 0% | -19.46% | 減碼 |
根據 SEC 官方 Form 13F 申報備案，Westfield Capital Management Co LP 在 Q3 2025 季度的美股持倉總市值約為 US$306.1億，共申報了 235 個公開持股部位。
在 Q3 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 (5.1%)、ASND (4.4%)、MSFT (3.7%)。其中最大持股部位 NVDA 佔據整體投資組合約 5.1% 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
MRVL
市值: US$2.2億
本季最大獲利了結 / 清倉標的
CRM
前期市值: US$2.1億
在 Q3 2025 季度中，Westfield Capital Management Co LP 共進行了 200 項持倉異動，包含新建倉 52 個部位、加碼 40 個部位、減碼 59 個部位以及清倉 49 個部位。 其中最大新建倉標的為 MRVL。 本季清倉部位包含 CRM。
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。