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: 0000763212
申報總市值
US$1691.1億
US$1691.1億
320 檔
16.2%
在 Q1 2026 的 13F 官方備案中，Primecap Management Co/ca/ 管理的美股投資組合規模來到 US$1691.1億，整體持股檔數為 320 檔。
從 Q1 2026 申報觀察，Primecap Management Co/ca/ 採取防禦導向的調倉策略，本季減碼 124 檔個股並出清 3 檔部位，顯示機構在該時期進行風險控制與流動性回收。
從部位權重觀察，前 5 大標的（包含 LLY, MU, GOOGL）累計市值佔比達 16.2%，是驅動 Primecap Management Co/ca/ 該季度整體投資組合績效表現的核心支柱。
僅顯示前 200 大持股（共 320 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 | LLY | Eli Lilly & Co | 股票-醫療保健 | 6.68% | -0.17% | -0.46% | |
| 2 | MU | Micron Technology Inc | 股票-科技 | 5.82% | +7.30% | -11.78% | |
| 3 | GOOGL | Alphabet Inc-cl A | 股票-通訊服務 | 3.39% | -0.25% | -0.93% | |
| 4 | AZN | AstraZeneca PLC | 股票-醫療保健 | 2.83% | -0.80% | — | |
| 5 | KLAC | Kla CORP | 股票-科技 | 2.83% | +0.83% | -15.24% | |
| 6 | INTC | Intel CORP | 股票-科技 | 2.63% | +3.58% | -0.49% | |
| 7 | AMGN | Amgen Inc | 股票-醫療保健 | 2.46% | -1.01% | -0.35% | |
| 8 | NVDA | Nvidia CORP | 股票-科技 | 2.36% | -0.34% | -0.23% | |
| 9 | FDX | Fedex CORP | 股票-工業 | 2.33% | -0.82% | -2.46% | |
| 10 | BIIB | Biogen Inc | 股票-醫療保健 | 2.13% | -0.19% | -0.00% | |
| 11 | MSFT | Microsoft CORP | 股票-科技 | 2.12% | -0.54% | -0.32% | |
| 12 | AMZN | Amazon.com Inc | 股票-循環性消費 | 1.99% | -0.30% | -1.22% | |
| 13 | BABA | Alibaba Group Holding-sp Adr | 股票-循環性消費 | 1.85% | -0.79% | -1.34% | |
| 14 | TSLA | Tesla Inc | 股票-循環性消費 | 1.79% | -0.27% | -3.04% | |
| 15 | SCHW | Schwab (charles) CORP | 股票-金融 | 1.73% | -0.36% | +0.71% | |
| 16 | BSX | Boston Scientific CORP | 股票-醫療保健 | 1.61% | -0.34% | +4.61% | |
| 17 | ROST | Ross Stores Inc | 股票-循環性消費 | 1.56% | -0.41% | -0.40% | |
| 18 | TXN | Texas Instruments Inc | 股票-科技 | 1.48% | +0.02% | -4.26% | |
| 19 | LUV | Southwest Airlines Co | 股票-工業 | 1.39% | +0.09% | -0.68% | |
| 20 | FLEX | Flex Ltd. | 股票-科技 | 1.31% | +0.93% | -4.94% | |
| 21 | GOOG | Alphabet Inc-cl C | 股票-通訊服務 | 1.29% | -0.16% | -0.72% | |
| 22 | TJX | Tjx Companies Inc | 股票-循環性消費 | 1.21% | -0.36% | -1.54% | |
| 23 | COP | Conocophillips | 股票-能源 | 1.20% | -0.49% | +0.02% | |
| 24 | BMY | Bristol-myers Squibb Co | 股票-醫療保健 | 1.19% | -0.34% | +0.44% | |
| 25 | ONC | Beone Medicines Ltd-adr | 股票-其他 | 1.16% | -0.32% | -0.11% | |
| 26 | UAL | United Airlines Holdings Inc | 股票-工業 | 1.14% | +0.18% | -1.43% | |
| 27 | GSK | Gsk Plc-spon Adr | 股票-醫療保健 | 1.10% | -0.32% | +0.30% | |
| 28 | RJF | Raymond James Financial Inc | 股票-金融 | 1.07% | -0.24% | +0.05% | |
| 29 | BIDU | Baidu Inc - Spon Adr | 股票-通訊服務 | 0.97% | -0.23% | -0.42% | |
| 30 | V | Visa Inc-class A Shares | 股票-金融 | 0.97% | -0.10% | +1.28% | |
| 31 | SONY | Sony Group CORP - Sp Adr | 股票-科技 | 0.95% | -0.24% | +0.39% | |
| 32 | DAL | Delta Air Lines Inc | 股票-工業 | 0.92% | +0.05% | -0.26% | |
| 33 | NVS | Novartis Ag-sponsored Adr | 股票-醫療保健 | 0.91% | -0.30% | -0.16% | |
| 34 | ADBE | Adobe Inc | 股票-科技 | 0.91% | -0.28% | +28.69% | |
| 35 | ELAN | Elanco Animal Health Inc | 股票-醫療保健 | 0.86% | -0.20% | -0.81% | |
| 36 | JPM | Jpmorgan Chase & Co | 股票-金融 | 0.79% | -0.14% | -5.64% | |
| 37 | ADI | Analog Devices Inc | 股票-科技 | 0.79% | -0.06% | -0.18% | |
| 38 | TMO | Thermo Fisher Scientific Inc | 股票-醫療保健 | 0.77% | -0.18% | -3.63% | |
| 39 | NTAP | Netapp Inc | 股票-科技 | 0.73% | +0.10% | -0.12% | |
| 40 | NTRS | Northern Trust CORP | 股票-金融 | 0.72% | -0.09% | -0.89% | |
| 41 | JBL | Jabil Inc | 股票-科技 | 0.69% | +0.03% | -1.87% | |
| 42 | ORCL | Oracle CORP | 股票-科技 | 0.66% | -0.19% | -5.93% | |
| 43 | NXT | Nextpower Inc-cl A | 股票-科技 | 0.64% | -0.17% | -2.74% | |
| 44 | BMRN | Biomarin Pharmaceutical Inc | 股票-醫療保健 | 0.63% | -0.15% | -2.44% | |
| 45 | ACM | Aecom | 股票-工業 | 0.58% | -0.22% | -0.23% | |
| 46 | RCL | Royal Caribbean Cruises Ltd. | 股票-循環性消費 | 0.51% | -0.11% | -2.64% | |
| 47 | IEX | Idex CORP | 股票-工業 | 0.49% | -0.05% | +2.36% | |
| 48 | CAT | Caterpillar Inc | 股票-工業 | 0.49% | +0.06% | -0.90% | |
| 49 | WFC | Wells Fargo & Co | 股票-金融 | 0.48% | -0.15% | -7.62% | |
| 50 | DIS | Walt Disney Co/the | 股票-通訊服務 | 0.47% | -0.07% | -0.02% |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | INTC | Intel CORP | +0.5% | -0.49% | 減碼 |
| 2 | FDX | Fedex CORP | +0.5% | -2.46% | 減碼 |
| 3 | MU | Micron Technology Inc | +0.5% | -11.78% | 減碼 |
| 4 | COP | Conocophillips | +0.4% | +0.02% | 加碼 |
| 5 | ROST | Ross Stores Inc | +0.3% | -0.40% | 減碼 |
| 6 | AMGN | Amgen Inc | +0.3% | -0.35% | 減碼 |
| 7 | NXT | Nextpower Inc-cl A | +0.2% | -2.74% | 減碼 |
| 8 | KLAC | Kla CORP | +0.2% | -15.24% | 減碼 |
| 9 | GLW | Corning Inc | +0.2% | -0.08% | 減碼 |
| 10 | BMY | Bristol-myers Squibb Co | +0.2% | +0.44% | 加碼 |
| 11 | GSK | Gsk Plc-spon Adr | +0.2% | +0.30% | 加碼 |
| 12 | TXN | Texas Instruments Inc | +0.2% | -4.26% | 減碼 |
| 13 | BIIB | Biogen Inc | +0.2% | -0.00% | 減碼 |
| 14 | ADI | Analog Devices Inc | +0.2% | -0.18% | 減碼 |
| 15 | ERIC | Ericsson (lm) Tel-sp Adr | +0.1% | +40.84% | 加碼 |
| 16 | BA | Boeing Co/the | +0.1% | +8646.26% | 加碼 |
| 17 | NVS | Novartis Ag-sponsored Adr | +0.1% | -0.16% | 減碼 |
| 18 | CAT | Caterpillar Inc | +0.1% | -0.90% | 減碼 |
| 19 | JBL | Jabil Inc | +0.1% | -1.87% | 減碼 |
| 20 | CVX | Chevron CORP | +0.1% | -1.45% | 減碼 |
| 21 | GTLB | Gitlab Inc-cl A | +0.1% | +529.63% | 加碼 |
| 22 | ENTG | Entegris Inc | +0.1% | -0.55% | 減碼 |
| 23 | FLEX | Flex Ltd. | +0.1% | -4.94% | 減碼 |
| 24 | ASML | ASML Holding N.V. | +0.1% | -1.04% | 減碼 |
| 25 | AMAT | Applied Materials Inc | +0.1% | -4.84% | 減碼 |
| 26 | ALB | Albemarle CORP | +0.1% | -5.00% | 減碼 |
| 27 | TJX | Tjx Companies Inc | +0.1% | -1.54% | 減碼 |
| 28 | USFD | US Foods Holding CORP | +0.1% | +0.89% | 加碼 |
| 29 | ELAN | Elanco Animal Health Inc | +0.1% | -0.81% | 減碼 |
| 30 | DOW | Dow Inc | +0.1% | -1.76% | 減碼 |
| 31 | LIN | Linde plc | +0.1% | -0.01% | 減碼 |
| 32 | IEX | Idex CORP | +0.1% | +2.36% | 加碼 |
| 33 | CARR | Carrier Global CORP | +0.1% | +31.53% | 加碼 |
| 34 | EOG | Eog Resources Inc | +0.1% | -1.27% | 減碼 |
| 35 | FORM | Formfactor Inc | +0.1% | -14.06% | 減碼 |
| 36 | CW | Curtiss-wright CORP | +0.1% | -4.82% | 減碼 |
| 37 | CIEN | Ciena CORP | 0% | -14.38% | 減碼 |
| 38 | NFLX | Netflix Inc | 0% | +9.66% | 加碼 |
| 39 | KEYS | Keysight Technologies In | 0% | -0.30% | 減碼 |
| 40 | MRVL | Marvell Technology Inc | 0% | +1.64% | 加碼 |
| 41 | NTRS | Northern Trust CORP | 0% | -0.89% | 減碼 |
| 42 | FTI | TechnipFMC plc | 0% | -0.58% | 減碼 |
| 43 | XPO | Xpo Inc | 0% | -0.23% | 減碼 |
| 44 | Q | Qnity Electronics Inc | 0% | -0.25% | 減碼 |
| 45 | MRSH | Marsh & Mclennan Cos | 0% | +38.46% | 加碼 |
| 46 | AMD | Advanced Micro Devices | 0% | +19.85% | 加碼 |
| 47 | TER | Teradyne Inc | 0% | -23.16% | 減碼 |
| 48 | CME | Cme Group Inc | 0% | -3.21% | 減碼 |
| 49 | EVR | Evercore Inc - A | 0% | +60.85% | 加碼 |
| 50 | TROX | Tronox Holdings plc | 0% | — | 不變 |
根據 SEC 官方 Form 13F 申報備案，Primecap Management Co/ca/ 在 Q1 2026 季度的美股持倉總市值約為 US$1691.1億，共申報了 320 個公開持股部位。
在 Q1 2026 季度，Primecap Management Co/ca/ 按市值排列的前三大核心持股分別為：LLY (6.7%)、MU (5.8%)、GOOGL (3.4%)。其中最大持股部位 LLY 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
AZN
市值: US$35.9億
本季最大獲利了結 / 清倉標的
AZNN
前期市值: US$33.9億
在 Q1 2026 季度中，Primecap Management Co/ca/ 共進行了 186 項持倉異動，包含新建倉 5 個部位、加碼 54 個部位、減碼 124 個部位以及清倉 3 個部位。 其中最大新建倉標的為 AZN。 本季清倉部位包含 AZNN。
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。