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: 0001644956
申報總市值
US$332.5億
US$332.5億
417 檔
23.1%
William Blair Investment Management, LLC 在 Q2 2025 季度的美股部位總計估值為 US$332.5億，分散於 417 個持倉標的之中，反映其市場參與廣度與投資規模。
在 Q2 2025 期間，William Blair Investment Management, LLC 展現了靈活的資產再平衡步調，透過出清 19 檔弱勢或達到目標價部位，將資金轉置於 32 檔新建倉標的之中。
在資產配置集中度方面，William Blair Investment Management, LLC 的前 5 大核心持股（包含 MSFT, NVDA, TSM 等）合計佔整體申報市值的 23.1%，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 417 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 | MSFT | Microsoft CORP | 股票-科技 | 5.26% | -1.24% | -3.52% | |
| 2 | NVDA | Nvidia CORP | 股票-科技 | 5.15% | +0.02% | +0.61% | |
| 3 | TSM | Taiwan Semiconductor-sp Adr | 股票-科技 | 3.98% | +0.93% | -10.04% | |
| 4 | AMZN | Amazon.com Inc | 股票-循環性消費 | 3.14% | -0.76% | -11.73% | |
| 5 | AAPL | Apple Inc | 股票-科技 | 2.86% | -1.20% | +0.28% | |
| 6 | META | Meta Platforms Inc-class A | 股票-通訊服務 | 2.80% | -0.31% | -9.10% | |
| 7 | AVGO | Broadcom Inc | 股票-科技 | 2.16% | +0.09% | -3.89% | |
| 8 | MA | Mastercard Inc - A | 股票-金融 | 1.82% | -0.33% | +0.41% | |
| 9 | MELI | Mercadolibre Inc | 股票-循環性消費 | 1.66% | -0.43% | -6.64% | |
| 10 | SE | Sea Ltd-adr | 股票-通訊服務 | 1.52% | — | -2.44% | |
| 11 | CG | Carlyle Group Inc/the | 股票-金融 | 1.36% | -0.26% | -18.26% | |
| 12 | TRU | Transunion | 股票-金融 | 1.11% | -0.09% | +41.71% | |
| 13 | INTU | Intuit Inc | 股票-科技 | 1.08% | -0.66% | -10.16% | |
| 14 | COST | Costco Wholesale CORP | 股票-非循環性消費 | 0.99% | -0.44% | +6.48% | |
| 15 | IDXX | Idexx Laboratories Inc | 股票-醫療保健 | 0.98% | -0.18% | +7.53% | |
| 16 | NOW | Servicenow Inc | 股票-科技 | 0.96% | -0.36% | -4.44% | |
| 17 | CMG | Chipotle Mexican Grill Inc | 股票-循環性消費 | 0.94% | -0.08% | -7.73% | |
| 18 | TLN | Talen Energy CORP | 股票-公用事業 | 0.85% | +0.02% | -1.01% | |
| 19 | DOCS | Doximity Inc-class A | 股票-醫療保健 | 0.85% | -0.37% | EXIT | |
| 20 | ORLY | O'reilly Automotive Inc | 股票-循環性消費 | 0.85% | -0.16% | +1269.25% | |
| 21 | PRMB | Primo Brands CORP | 股票-非循環性消費 | 0.83% | +0.03% | -7.01% | |
| 22 | DDOG | Datadog Inc - Class A | 股票-科技 | 0.77% | — | +21.58% | |
| 23 | CCJ | Cameco CORP | 股票-能源 | 0.76% | -0.03% | +15.07% | |
| 24 | SPOT | Spotify Technology S.A. | 股票-通訊服務 | 0.76% | -0.17% | EXIT | |
| 25 | P | Everpure Inc-a | 股票-科技 | 0.75% | +0.26% | +112.86% | |
| 26 | LIN | Linde plc | 股票-原物料 | 0.75% | -0.25% | -12.56% | |
| 27 | A | Agilent Technologies Inc | 股票-醫療保健 | 0.69% | -0.17% | +19.68% | |
| 28 | UBER | Uber Technologies Inc | 股票-工業 | 0.68% | — | -5.56% | |
| 29 | MRCY | Mercury Systems Inc | 股票-工業 | 0.67% | +0.06% | -12.59% | |
| 30 | LYV | Live Nation Entertainment In | 股票-通訊服務 | 0.65% | — | -8.22% | |
| 31 | 8QR | Confluent Inc-class A | 股票-其他 | 0.64% | — | +3.84% | |
| 32 | EG | Everest Group, Ltd. | 股票-金融 | 0.62% | -0.03% | -2.36% | |
| 33 | BWIN | Baldwin Insurance Group Inc/ | 股票-其他 | 0.61% | +0.05% | -2.87% | |
| 34 | DT | Dynatrace Inc | 股票-科技 | 0.61% | +0.12% | -17.75% | |
| 35 | NVT | nVent Electric plc | 股票-工業 | 0.61% | +0.12% | +29.51% | |
| 36 | CIEN | Ciena CORP | 股票-科技 | 0.58% | -0.31% | +35.05% | |
| 37 | BWXT | Bwx Technologies Inc | 股票-工業 | 0.58% | -0.11% | +523.24% | |
| 38 | SN | SharkNinja, Inc. | 股票-循環性消費 | 0.58% | +0.07% | -4.59% | |
| 39 | WAY | Waystar Holding CORP | 股票-其他 | 0.57% | — | +23.94% | |
| 40 | UNH | Unitedhealth Group Inc | 股票-醫療保健 | 0.57% | +0.05% | +9.46% | |
| 41 | TYL | Tyler Technologies Inc | 股票-科技 | 0.56% | -0.24% | EXIT | |
| 42 | CPRT | Copart Inc | 股票-工業 | 0.56% | -0.21% | -36.58% | |
| 43 | RACE | Ferrari N.V. | 股票-循環性消費 | 0.56% | -0.03% | -28.57% | |
| 44 | CWST | Casella Waste Systems Inc-a | 股票-工業 | 0.55% | -0.25% | -18.78% | |
| 45 | CRM | Salesforce Inc | 股票-科技 | 0.55% | -0.01% | -29.98% | |
| 46 | ITUB | Itau Unibanco H-spon Prf Adr | 股票-金融 | 0.53% | -0.19% | +51.89% | |
| 47 | MNST | Monster Beverage CORP | 股票-非循環性消費 | 0.52% | +0.03% | +42.93% | |
| 48 | CWAN | Clearwater Analytics Holdings, Inc. | 股票-科技 | 0.51% | — | -0.30% | |
| 49 | FLUT | Flutter Entertainment plc | 股票-循環性消費 | 0.51% | — | -17.31% | |
| 50 | PLNT | Planet Fitness Inc - Cl A | 股票-循環性消費 | 0.50% | -0.36% | EXIT |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | +1.4% | +0.61% | 加碼 |
| 2 | MSFT | Microsoft CORP | +0.9% | -3.52% | 減碼 |
| 3 | AVGO | Broadcom Inc | +0.7% | -3.89% | 減碼 |
| 4 | TSM | Taiwan Semiconductor-sp Adr | +0.6% | -10.04% | 減碼 |
| 5 | BWXT | Bwx Technologies Inc | +0.5% | +523.24% | 加碼 |
| 6 | ORCL | Oracle CORP | +0.5% | NEW | 新建倉 |
| 7 | P | Everpure Inc-a | +0.5% | +112.86% | 加碼 |
| 8 | CART | Maplebear Inc | +0.4% | NEW | 新建倉 |
| 9 | CCJ | Cameco CORP | +0.4% | +15.07% | 加碼 |
| 10 | CRS | Carpenter Technology | +0.4% | NEW | 新建倉 |
| 11 | TRU | Transunion | +0.3% | +41.71% | 加碼 |
| 12 | BRBR | Bellring Brands Inc | +0.3% | NEW | 新建倉 |
| 13 | EVR | Evercore Inc - A | +0.3% | NEW | 新建倉 |
| 14 | DDOG | Datadog Inc - Class A | +0.3% | +21.58% | 加碼 |
| 15 | META | Meta Platforms Inc-class A | +0.3% | -9.10% | 減碼 |
| 16 | MELI | Mercadolibre Inc | +0.3% | -6.64% | 減碼 |
| 17 | NVT | nVent Electric plc | +0.3% | +29.51% | 加碼 |
| 18 | CLH | Clean Harbors Inc | +0.3% | NEW | 新建倉 |
| 19 | CIEN | Ciena CORP | +0.2% | +35.05% | 加碼 |
| 20 | ONTO | Onto Innovation Inc | +0.2% | +650.38% | 加碼 |
| 21 | IDXX | Idexx Laboratories Inc | +0.2% | +7.53% | 加碼 |
| 22 | TLN | Talen Energy CORP | +0.2% | -1.01% | 減碼 |
| 23 | ITUB | Itau Unibanco H-spon Prf Adr | +0.2% | +51.89% | 加碼 |
| 24 | EYE | National Vision Holdings Inc | +0.2% | NEW | 新建倉 |
| 25 | AMD | Advanced Micro Devices | +0.2% | +986.03% | 加碼 |
| 26 | FHN | First Horizon CORP | +0.2% | NEW | 新建倉 |
| 27 | APPF | Appfolio Inc - A | +0.2% | +73.55% | 加碼 |
| 28 | RS | Reliance Inc | +0.2% | NEW | 新建倉 |
| 29 | PSN | Parsons CORP | +0.2% | +72.46% | 加碼 |
| 30 | SE | Sea Ltd-adr | +0.2% | -2.44% | 減碼 |
| 31 | WCN | Waste Connections Inc | +0.2% | NEW | 新建倉 |
| 32 | MNST | Monster Beverage CORP | +0.2% | +42.93% | 加碼 |
| 33 | GOGO | Gogo Inc | +0.2% | +124.77% | 加碼 |
| 34 | AGYS | Agilysys Inc | +0.2% | NEW | 新建倉 |
| 35 | NOW | Servicenow Inc | +0.1% | -4.44% | 減碼 |
| 36 | WAY | Waystar Holding CORP | +0.1% | +23.94% | 加碼 |
| 37 | SMPL | Simply Good Foods Co/the | +0.1% | NEW | 新建倉 |
| 38 | KO | The Coca-Cola Company | +0.1% | NEW | 新建倉 |
| 39 | GRAB | Grab Holdings Limited | +0.1% | +69.98% | 加碼 |
| 40 | DOCS | Doximity Inc-class A | +0.1% | +13.85% | 加碼 |
| 41 | SPOT | Spotify Technology S.A. | +0.1% | -13.62% | 減碼 |
| 42 | WGS | Genedx Holdings CORP | +0.1% | +37.21% | 加碼 |
| 43 | GKOS | Glaukos CORP | +0.1% | +52.44% | 加碼 |
| 44 | COHR | Coherent CORP | +0.1% | NEW | 新建倉 |
| 45 | INTU | Intuit Inc | +0.1% | -10.16% | 減碼 |
| 46 | EXP | Eagle Materials Inc | +0.1% | +57.18% | 加碼 |
| 47 | LITE | Lumentum Holdings Inc | +0.1% | NEW | 新建倉 |
| 48 | KEX | Kirby CORP | +0.1% | NEW | 新建倉 |
| 49 | ULS | Ul Solutions Inc - Class A | +0.1% | NEW | 新建倉 |
| 50 | A | Agilent Technologies Inc | +0.1% | +19.68% | 加碼 |
根據 SEC 官方 Form 13F 申報備案，William Blair Investment Management, LLC 在 Q2 2025 季度的美股持倉總市值約為 US$332.5億，共申報了 417 個公開持股部位。
在 Q2 2025 季度，William Blair Investment Management, LLC 按市值排列的前三大核心持股分別為：MSFT (5.3%)、NVDA (5.2%)、TSM (4.0%)。其中最大持股部位 MSFT 佔據整體投資組合約 5.3% 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
ORCL
市值: US$1.9億
本季最大獲利了結 / 清倉標的
AZEK
前期市值: US$1.2億
在 Q2 2025 季度中，William Blair Investment Management, LLC 共進行了 200 項持倉異動，包含新建倉 32 個部位、加碼 55 個部位、減碼 94 個部位以及清倉 19 個部位。 其中最大新建倉標的為 ORCL。 本季清倉部位包含 AZEK。
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。