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
414 檔
25.1%
根據最新整理的 13F 季度數據集，William Blair Investment Management, LLC 於 Q3 2025 結束時的管理資產規模為 US$332.5億。該機構在本季度申報了 414 檔美股持倉，呈現出該時期的主要投資地圖。
William Blair Investment Management, LLC 在 Q3 2025 進行了結構性的板塊輪動與部位換股。在開立 50 個全新部位及加碼 47 檔持股的同時，亦同步清倉 33 檔並減碼 70 檔標的。
整體而言，William Blair Investment Management, LLC 的前 5 大持股（包含 NVDA, MSFT, TSM）貢獻了組合市值的 25.1%，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 414 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 | 5.58% | +0.02% | -5.73% | |
| 2 | MSFT | Microsoft CORP | 股票-科技 | 5.14% | -1.24% | -3.64% | |
| 3 | TSM | Taiwan Semiconductor-sp Adr | 股票-科技 | 4.64% | +0.93% | -3.02% | |
| 4 | AAPL | Apple Inc | 股票-科技 | 3.70% | -1.20% | +6.98% | |
| 5 | AMZN | Amazon.com Inc | 股票-循環性消費 | 2.51% | -0.76% | -18.13% | |
| 6 | AVGO | Broadcom Inc | 股票-科技 | 2.40% | +0.09% | -5.00% | |
| 7 | META | Meta Platforms Inc-class A | 股票-通訊服務 | 2.25% | -0.31% | -17.00% | |
| 8 | MA | Mastercard Inc - A | 股票-金融 | 1.63% | -0.33% | -9.42% | |
| 9 | SE | Sea Ltd-adr | 股票-通訊服務 | 1.60% | — | -3.47% | |
| 10 | GOOGL | Alphabet Inc-cl A | 股票-通訊服務 | 1.56% | +1.05% | +592.03% | |
| 11 | CG | Carlyle Group Inc/the | 股票-金融 | 1.42% | -0.26% | -12.07% | |
| 12 | MELI | Mercadolibre Inc | 股票-循環性消費 | 1.39% | -0.43% | -3.69% | |
| 13 | DOCS | Doximity Inc-class A | 股票-醫療保健 | 1.10% | -0.37% | EXIT | |
| 14 | TRU | Transunion | 股票-金融 | 1.01% | -0.09% | -1.27% | |
| 15 | P | Everpure Inc-a | 股票-科技 | 1.01% | +0.26% | -5.28% | |
| 16 | CIEN | Ciena CORP | 股票-科技 | 0.92% | -0.31% | -9.88% | |
| 17 | NOW | Servicenow Inc | 股票-科技 | 0.89% | -0.36% | +6.69% | |
| 18 | INTU | Intuit Inc | 股票-科技 | 0.86% | -0.66% | -5.78% | |
| 19 | ORLY | O'reilly Automotive Inc | 股票-循環性消費 | 0.81% | -0.16% | -17.73% | |
| 20 | ORCL | Oracle CORP | 股票-科技 | 0.81% | -0.01% | +28.59% | |
| 21 | NU | Nu Holdings Ltd. | 股票-金融 | 0.81% | -0.27% | +182.92% | |
| 22 | COST | Costco Wholesale CORP | 股票-非循環性消費 | 0.77% | -0.44% | -14.28% | |
| 23 | IDXX | Idexx Laboratories Inc | 股票-醫療保健 | 0.76% | -0.18% | -33.00% | |
| 24 | TLN | Talen Energy CORP | 股票-公用事業 | 0.75% | +0.02% | -38.31% | |
| 25 | A | Agilent Technologies Inc | 股票-醫療保健 | 0.71% | -0.17% | -3.18% | |
| 26 | UNH | Unitedhealth Group Inc | 股票-醫療保健 | 0.69% | +0.05% | +12.34% | |
| 27 | PRMB | Primo Brands CORP | 股票-非循環性消費 | 0.68% | +0.03% | +11.62% | |
| 28 | UBER | Uber Technologies Inc | 股票-工業 | 0.67% | — | -3.91% | |
| 29 | ONTO | Onto Innovation Inc | 股票-科技 | 0.66% | +0.11% | +80.35% | |
| 30 | LIN | Linde plc | 股票-原物料 | 0.66% | -0.25% | -11.03% | |
| 31 | LRCX | Lam Research CORP | 股票-科技 | 0.64% | +0.07% | -3.39% | |
| 32 | TYL | Tyler Technologies Inc | 股票-科技 | 0.62% | -0.24% | EXIT | |
| 33 | NVT | nVent Electric plc | 股票-工業 | 0.61% | +0.12% | -22.91% | |
| 34 | BWXT | Bwx Technologies Inc | 股票-工業 | 0.60% | -0.11% | -17.27% | |
| 35 | LYV | Live Nation Entertainment In | 股票-通訊服務 | 0.59% | — | -13.84% | |
| 36 | EG | Everest Group, Ltd. | 股票-金融 | 0.59% | -0.03% | -5.00% | |
| 37 | LRN | Stride Inc | 股票-非循環性消費 | 0.58% | +0.21% | NEW | |
| 38 | INSM | Insmed Inc | 股票-醫療保健 | 0.58% | -0.29% | -6.64% | |
| 39 | VEEV | Veeva Systems Inc-class A | 股票-醫療保健 | 0.58% | -0.37% | EXIT | |
| 40 | CCJ | Cameco CORP | 股票-能源 | 0.57% | -0.03% | -31.82% | |
| 41 | BAP | Credicorp Ltd. | 股票-金融 | 0.56% | +0.03% | +71.65% | |
| 42 | ITUB | Itau Unibanco H-spon Prf Adr | 股票-金融 | 0.56% | -0.19% | +0.65% | |
| 43 | RY | Royal Bank Of Canada | 股票-金融 | 0.55% | — | EXIT | |
| 44 | CPRT | Copart Inc | 股票-工業 | 0.54% | -0.21% | +7.80% | |
| 45 | WAL | Western Alliance Bancorp | 股票-金融 | 0.54% | — | +3.52% | |
| 46 | BCO | Brink's Co/the | 股票-工業 | 0.53% | -0.01% | -9.84% | |
| 47 | MNST | Monster Beverage CORP | 股票-非循環性消費 | 0.52% | +0.03% | -4.59% | |
| 48 | MLI | Mueller Industries Inc | 股票-工業 | 0.52% | -0.04% | -14.00% | |
| 49 | WAY | Waystar Holding CORP | 股票-其他 | 0.52% | — | +0.45% | |
| 50 | SPOT | Spotify Technology S.A. | 股票-通訊服務 | 0.51% | -0.17% | EXIT |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | +1.9% | -5.73% | 減碼 |
| 2 | GOOGL | Alphabet Inc-cl A | +1.3% | +592.03% | 加碼 |
| 3 | TSM | Taiwan Semiconductor-sp Adr | +1.2% | -3.02% | 減碼 |
| 4 | AVGO | Broadcom Inc | +1% | -5.00% | 減碼 |
| 5 | MSFT | Microsoft CORP | +0.8% | -3.64% | 減碼 |
| 6 | P | Everpure Inc-a | +0.7% | -5.28% | 加碼 |
| 7 | NU | Nu Holdings Ltd. | +0.6% | +182.92% | 加碼 |
| 8 | ONTO | Onto Innovation Inc | +0.6% | +80.35% | 加碼 |
| 9 | CIEN | Ciena CORP | +0.6% | -9.88% | 加碼 |
| 10 | BWXT | Bwx Technologies Inc | +0.5% | -17.27% | 加碼 |
| 11 | AAPL | Apple Inc | +0.4% | +6.98% | 加碼 |
| 12 | AMD | Advanced Micro Devices | +0.4% | +72.55% | 加碼 |
| 13 | DOCS | Doximity Inc-class A | +0.4% | +11.68% | 加碼 |
| 14 | BAP | Credicorp Ltd. | +0.3% | +71.65% | 加碼 |
| 15 | NVT | nVent Electric plc | +0.3% | -22.91% | 減碼 |
| 16 | ITUB | Itau Unibanco H-spon Prf Adr | +0.3% | +0.65% | 加碼 |
| 17 | SE | Sea Ltd-adr | +0.3% | -3.47% | 減碼 |
| 18 | TRU | Transunion | +0.2% | -1.27% | 加碼 |
| 19 | GRAB | Grab Holdings Limited | +0.2% | +14.72% | 加碼 |
| 20 | PSN | Parsons CORP | +0.2% | -6.60% | 加碼 |
| 21 | CCJ | Cameco CORP | +0.2% | -31.82% | 減碼 |
| 22 | CADE | Cadence Bank | +0.2% | +196.85% | 加碼 |
| 23 | VEEV | Veeva Systems Inc-class A | +0.2% | +21.39% | 加碼 |
| 24 | MNST | Monster Beverage CORP | +0.2% | -4.59% | 加碼 |
| 25 | MDGL | Madrigal Pharmaceuticals Inc | +0.2% | +17.56% | 加碼 |
| 26 | IWF | Ishares Russell 1000 Growth | +0.2% | — | 加碼 |
| 27 | GTX | Garrett Motion Inc | +0.2% | +50.98% | 加碼 |
| 28 | TLN | Talen Energy CORP | +0.1% | -38.31% | 減碼 |
| 29 | APPF | Appfolio Inc - A | +0.1% | -24.74% | 加碼 |
| 30 | EXP | Eagle Materials Inc | +0.1% | +0.57% | 加碼 |
| 31 | PWP | Perella Weinberg Partners | +0.1% | +57.24% | 加碼 |
| 32 | TYL | Tyler Technologies Inc | +0.1% | +28.07% | 加碼 |
| 33 | A | Agilent Technologies Inc | +0.1% | -3.18% | 加碼 |
| 34 | MOD | Modine Manufacturing Co | +0.1% | +58.85% | 加碼 |
| 35 | EXK | Exact Sciences CORP | +0.1% | +26.48% | 加碼 |
| 36 | DBD | Diebold Nixdorf Inc | +0.1% | +12.15% | 加碼 |
| 37 | TECH | Bio-techne CORP | +0.1% | +75.88% | 加碼 |
| 38 | INSM | Insmed Inc | +0.1% | -6.64% | 減碼 |
| 39 | WAY | Waystar Holding CORP | +0.1% | +0.45% | 加碼 |
| 40 | LSCC | Lattice Semiconductor CORP | +0.1% | — | 加碼 |
| 41 | VRRM | Verra Mobility CORP | +0.1% | +34.71% | 加碼 |
| 42 | ALK | Alaska Air Group Inc | +0.1% | -5.67% | 加碼 |
| 43 | NOW | Servicenow Inc | +0.1% | +6.69% | 加碼 |
| 44 | UBER | Uber Technologies Inc | +0.1% | -3.91% | 減碼 |
| 45 | GOGO | Gogo Inc | +0.1% | +6.94% | 加碼 |
| 46 | MLM | Martin Marietta Materials | +0.1% | -3.26% | 減碼 |
| 47 | FLS | Flowserve CORP | +0.1% | +0.72% | 加碼 |
| 48 | WAL | Western Alliance Bancorp | +0.1% | +3.52% | 加碼 |
| 49 | IDA | Idacorp Inc | +0.1% | -2.21% | 加碼 |
| 50 | WGS | Genedx Holdings CORP | 0% | -25.21% | 加碼 |
根據 SEC 官方 Form 13F 申報備案，William Blair Investment Management, LLC 在 Q3 2025 季度的美股持倉總市值約為 US$332.5億，共申報了 414 個公開持股部位。
在 Q3 2025 季度，William Blair Investment Management, LLC 按市值排列的前三大核心持股分別為：NVDA (5.6%)、MSFT (5.1%)、TSM (4.6%)。其中最大持股部位 NVDA 佔據整體投資組合約 5.6% 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
ORCL
市值: US$3.1億
本季最大獲利了結 / 清倉標的
YUMC
前期市值: US$2.8億
在 Q3 2025 季度中，William Blair Investment Management, LLC 共進行了 200 項持倉異動，包含新建倉 50 個部位、加碼 47 個部位、減碼 70 個部位以及清倉 33 個部位。 其中最大新建倉標的為 ORCL。 本季清倉部位包含 YUMC。
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。