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: 0001742418
申報總市值
US$13.8億
US$13.8億
49 檔
28.9%
截至 Q1 2026 季度末，Dundas Partners LLP 的美股持倉估值約為 US$13.8億，全數申報部位共有 49 檔。
Dundas Partners LLP 在 Q1 2026 的調整主要集中於風險出清，清倉與減碼部位合計達 44 檔，反映機構對當前市場環境或個別公司估值採取較為保留之看法。
檢視投資組合結構，前 5 大主力部位（包含 TSM, AMAT, GOOG）占據了總市值的 28.9%，展現出該機構在 Q1 2026 的重點資金聚焦與風險分佈特徵。
本季最大獲利了結 / 清倉標的
GOOG
前期市值: US$9267.9萬
| # | 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 | TSM | Taiwan Semiconductor-sp Adr | 股票-科技 | 7.42% | +1.75% | -2.47% | |
| 2 | AMAT | Applied Materials Inc | 股票-科技 | 7.17% | +6.04% | -4.08% | |
| 3 | GOOG | Alphabet Inc-cl C | 股票-通訊服務 | 6.63% | +0.59% | -1.84% | |
| 4 | APH | Amphenol Corp-cl A | 股票-科技 | 5.32% | +0.98% | -0.92% | |
| 5 | MSFT | Microsoft CORP | 股票-科技 | 5.30% | -0.70% | -1.64% | |
| 6 | ADI | Analog Devices Inc | 股票-科技 | 5.04% | +0.47% | -1.60% | |
| 7 | V | Visa Inc-class A Shares | 股票-金融 | 4.68% | +0.37% | +8.53% | |
| 8 | AXP | American Express Co | 股票-金融 | 4.25% | -0.06% | -0.81% | |
| 9 | ROST | Ross Stores Inc | 股票-循環性消費 | 4.12% | -0.44% | -2.63% | |
| 10 | TMO | Thermo Fisher Scientific Inc | 股票-醫療保健 | 3.82% | -0.29% | -1.03% | |
| 11 | RMD | Resmed Inc | 股票-醫療保健 | 3.63% | -0.77% | -0.95% | |
| 12 | ABT | Abbott Laboratories | 股票-醫療保健 | 3.47% | -0.69% | -1.02% | |
| 13 | NDAQ | Nasdaq Inc | 股票-金融 | 3.47% | -0.55% | -1.86% | |
| 14 | BRO | Brown & Brown Inc | 股票-金融 | 3.43% | -0.60% | -1.02% | |
| 15 | BKNG | Booking Holdings Inc | 股票-循環性消費 | 3.06% | +0.08% | +9.63% | |
| 16 | ZTS | Zoetis Inc | 股票-醫療保健 | 2.82% | -1.97% | -2.00% | |
| 17 | AME | Ametek Inc | 股票-工業 | 2.80% | +0.07% | -3.66% | |
| 18 | SYK | Stryker CORP | 股票-醫療保健 | 2.49% | -0.33% | -2.05% | |
| 19 | ADP | Automatic Data Processing | 股票-科技 | 2.29% | — | -0.88% | |
| 20 | MA | Mastercard Inc - A | 股票-金融 | 2.24% | +0.20% | -0.90% | |
| 21 | WRB | Wr Berkley CORP | 股票-金融 | 2.06% | -0.07% | -66.37% | |
| 22 | EFX | Equifax Inc | 股票-工業 | 1.82% | -1.04% | -0.87% | |
| 23 | ACN | Accenture plc | 股票-科技 | 1.81% | -1.81% | EXIT | |
| 24 | GWW | Ww Grainger Inc | 股票-工業 | 1.73% | +0.23% | -0.93% | |
| 25 | HDB | Hdfc Bank Ltd-adr | 股票-金融 | 1.71% | -0.14% | -2.29% | |
| 26 | INTU | Intuit Inc | 股票-科技 | 1.66% | -0.67% | -0.98% | |
| 27 | CRM | Salesforce Inc | 股票-科技 | 1.57% | -0.21% | +25.78% | |
| 28 | MSCI | Msci Inc | 股票-金融 | 1.56% | -1.56% | EXIT | |
| 29 | ALC | Alcon Inc. | 股票-醫療保健 | 1.48% | -0.26% | -1.07% | |
| 30 | RBA | Rb Global Inc | 股票-工業 | 0.74% | -0.05% | -0.88% | |
| 31 | NVT | nVent Electric plc | 股票-工業 | 0.04% | -0.04% | EXIT | |
| 32 | JKHY | Jack Henry & Associates Inc | 股票-科技 | 0.04% | -0.04% | EXIT | |
| 33 | AIT | Applied Industrial Tech Inc | 股票-工業 | 0.04% | -0.04% | EXIT | |
| 34 | LFUS | Littelfuse Inc | 股票-科技 | 0.04% | -0.04% | EXIT | |
| 35 | TECH | Bio-techne CORP | 股票-醫療保健 | 0.03% | -0.03% | EXIT | |
| 36 | CR | Crane Co | 股票-工業 | 0.03% | -0.03% | EXIT | |
| 37 | SF | Stifel Financial CORP | 股票-金融 | 0.03% | -0.03% | EXIT | |
| 38 | WTS | Watts Water Technologies-a | 股票-工業 | 0.03% | -0.03% | EXIT | |
| 39 | ESAB | Esab CORP | 股票-工業 | 0.03% | -0.03% | EXIT | |
| 40 | EVR | Evercore Inc - A | 股票-金融 | 0.02% | -0.02% | EXIT | |
| 41 | MKTX | Marketaxess Holdings Inc | 股票-金融 | 0.02% | -0.02% | EXIT | |
| 42 | HLNE | Hamilton Lane Inc-class A | 股票-金融 | 0.02% | -0.02% | EXIT | |
| 43 | LMAT | Lemaitre Vascular Inc | 股票-其他 | 0.02% | -0.02% | EXIT | |
| 44 | TRU | Transunion | 股票-金融 | 0.01% | -0.01% | EXIT | |
| 45 | IDCC 3.5 06-01-27債券 | Interdigital Inc | 債券 | 0.01% | -0.01% | EXIT | |
| 46 | RYAN | Ryan Specialty Holdings Inc | 股票-金融 | 0.01% | -0.01% | EXIT | |
| 47 | RLI | Rli CORP | 股票-金融 | 0.01% | -0.01% | EXIT | |
| 48 | BMI | Badger Meter Inc | 股票-科技 | 0.01% | -0.01% | EXIT | |
| 49 | PAYC | Paycom Software Inc | 股票-科技 | 0.01% | -0.01% | EXIT |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | AMAT | Applied Materials Inc | +2.2% | -4.08% | 減碼 |
| 2 | TSM | Taiwan Semiconductor-sp Adr | +1.4% | -2.47% | 減碼 |
| 3 | ADI | Analog Devices Inc | +1.2% | -1.60% | 減碼 |
| 4 | ROST | Ross Stores Inc | +1% | -2.63% | 減碼 |
| 5 | AME | Ametek Inc | +0.3% | -3.66% | 減碼 |
| 6 | GWW | Ww Grainger Inc | +0.3% | -0.93% | 減碼 |
| 7 | V | Visa Inc-class A Shares | +0.3% | +8.53% | 加碼 |
| 8 | APH | Amphenol Corp-cl A | +0.3% | -0.92% | 減碼 |
| 9 | ACN | Accenture plc | +0.2% | +31.33% | 加碼 |
| 10 | RMD | Resmed Inc | +0.2% | -0.95% | 減碼 |
| 11 | ZTS | Zoetis Inc | +0.1% | -2.00% | 減碼 |
| 12 | GOOG | Alphabet Inc-cl C | +0.1% | -1.84% | 減碼 |
| 13 | SYK | Stryker CORP | +0.1% | -2.05% | 減碼 |
| 14 | MSCI | Msci Inc | +0.1% | -2.77% | 減碼 |
| 15 | ALC | Alcon Inc. | +0.1% | -1.07% | 減碼 |
| 16 | RBA | Rb Global Inc | 0% | -0.88% | 減碼 |
| 17 | CRM | Salesforce Inc | 0% | +25.78% | 加碼 |
| 18 | LFUS | Littelfuse Inc | 0% | -15.66% | 減碼 |
| 19 | WTS | Watts Water Technologies-a | 0% | -7.30% | 減碼 |
| 20 | HLNE | Hamilton Lane Inc-class A | — | -15.81% | 減碼 |
| 21 | SF | Stifel Financial CORP | — | +23.09% | 加碼 |
| 22 | ESAB | Esab CORP | — | -15.32% | 減碼 |
| 23 | MKTX | Marketaxess Holdings Inc | — | -15.67% | 減碼 |
| 24 | AIT | Applied Industrial Tech Inc | — | -15.45% | 減碼 |
| 25 | NVT | nVent Electric plc | — | -22.51% | 減碼 |
| 26 | CR | Crane Co | — | -7.22% | 減碼 |
| 27 | LMAT | Lemaitre Vascular Inc | — | -40.85% | 減碼 |
| 28 | BMI | Badger Meter Inc | — | -17.34% | 減碼 |
| 29 | IDCC 3.5 06-01-27債券 | Interdigital Inc | — | -15.85% | 減碼 |
| 30 | TRU | Transunion | 0% | -40.20% | 減碼 |
| 31 | JKHY | Jack Henry & Associates Inc | 0% | -15.26% | 減碼 |
| 32 | TECH | Bio-techne CORP | 0% | -18.11% | 減碼 |
| 33 | RLI | Rli CORP | 0% | -44.51% | 減碼 |
| 34 | EVR | Evercore Inc - A | 0% | -15.25% | 減碼 |
| 35 | PAYC | Paycom Software Inc | 0% | -71.76% | 減碼 |
| 36 | MA | Mastercard Inc - A | 0% | -0.90% | 減碼 |
| 37 | RYAN | Ryan Specialty Holdings Inc | 0% | -69.12% | 減碼 |
| 38 | BKNG | Booking Holdings Inc | -0.1% | +9.63% | 加碼 |
| 39 | NDAQ | Nasdaq Inc | -0.1% | -1.86% | 減碼 |
| 40 | EFX | Equifax Inc | -0.1% | -0.87% | 減碼 |
| 41 | TMO | Thermo Fisher Scientific Inc | -0.2% | -1.03% | 減碼 |
| 42 | ADP | Automatic Data Processing | -0.3% | -0.88% | 減碼 |
| 43 | ABT | Abbott Laboratories | -0.3% | -1.02% | 減碼 |
| 44 | BRO | Brown & Brown Inc | -0.3% | -1.02% | 減碼 |
| 45 | AXP | American Express Co | -0.4% | -0.81% | 減碼 |
| 46 | HDB | Hdfc Bank Ltd-adr | -0.6% | -2.29% | 減碼 |
| 47 | INTU | Intuit Inc | -0.6% | -0.98% | 減碼 |
| 48 | MSFT | Microsoft CORP | -0.9% | -1.64% | 減碼 |
| 49 | WRB | Wr Berkley CORP | -3.7% | -66.37% | 減碼 |
根據 SEC 官方 Form 13F 申報備案，Dundas Partners LLP 在 Q1 2026 季度的美股持倉總市值約為 US$13.8億，共申報了 49 個公開持股部位。
在 Q1 2026 季度，Dundas Partners LLP 按市值排列的前三大核心持股分別為：TSM (7.4%)、AMAT (7.2%)、GOOG (6.6%)。其中最大持股部位 TSM 佔據整體投資組合約 7.4% 的權重。
在 Q1 2026 季度中，Dundas Partners LLP 共進行了 49 項持倉異動，包含新建倉 0 個部位、加碼 5 個部位、減碼 44 個部位以及清倉 0 個部位。
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。
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。
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。