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: 0000061227
申報總市值
US$29.9億
US$29.9億
132 檔
12.6%
截至 Q4 2025 季度末，Mackay Shields LLC 的美股持倉估值約為 US$29.9億，全數申報部位共有 132 檔。
Mackay Shields LLC 在 Q4 2025 的調整主要集中於風險出清，清倉與減碼部位合計達 106 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 WDC 3 11-15-28, LITE 0.5 06-15-28, AEIS 2.5 09-15-28）占據了總市值的 12.6%，展現出該機構在 Q4 2025 的重點資金聚焦與風險分佈特徵。
| # | 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 | WDC 3 11-15-28債券 | Western Digital CORP | 債券 | 3.03% | +0.99% | -1.80% | |
| 2 | LITE 0.5 06-15-28債券 | Lumentum Holdings Inc | 債券 | 2.99% | -2.44% | -1.34% | |
| 3 | AEIS 2.5 09-15-28債券 | Advanced Energy Ind | 債券 | 2.56% | -3.06% | -1.19% | |
| 4 | MIRM 4 05-01-29債券 | Mirum Pharmaceuticals | 債券 | 2.31% | -2.29% | -2.62% | |
| 5 | LNTH 2.625 12-15-27債券 | Lantheus Holdings Inc | 債券 | 2.28% | +0.24% | +1.87% | |
| 6 | QXO 5.5 05-15-28債券 | Qxo Inc | 債券 | 2.28% | -0.47% | -1.26% | |
| 7 | TTEK 2.25 08-15-28債券 | Tetra Tech Inc | 債券 | 2.27% | -0.25% | +1.75% | |
| 8 | BA 6 10-15-27債券 | Boeing Co/the | 債券 | 2.02% | -0.10% | -1.41% | |
| 9 | CABO 1.125 03-15-28債券 | Cable One Inc | 債券 | 1.98% | -0.17% | +2.93% | |
| 10 | UBER 0.875 12-01-28 2028債券 | Uber Technologies Inc | 債券 | 1.94% | -0.18% | -0.81% | |
| 11 | APO 6.75 07-31-26債券 | Apollo Global Management | 債券 | 1.89% | -0.08% | -1.05% | |
| 12 | POST 2.5 08-15-27債券 | Post Holdings Inc | 債券 | 1.87% | -0.20% | -1.21% | |
| 13 | PCG 4.25 12-01-27債券 | Pg&e CORP | 債券 | 1.85% | -0.17% | -14.87% | |
| 14 | ON 0 05-01-27債券 | On Semiconductor CORP | 債券 | 1.64% | -0.52% | -1.50% | |
| 15 | MKSI 1.25 06-01-30債券 | Mks Inc | 債券 | 1.63% | +1.39% | -1.71% | |
| 16 | IRTC 1.5 09-01-29債券 | Irhythm Holdings Inc | 債券 | 1.60% | -0.11% | +5.92% | |
| 17 | STX 3.5 06-01-28債券 | Seagate Hdd Cayman | 債券 | 1.56% | -1.16% | EXIT | |
| 18 | SNOW 0 10-01-27債券 | Snowflake Inc | 債券 | 1.55% | +0.40% | +13.16% | |
| 19 | FWONK 2.25 08-15-27債券 | Liberty Media CORP | 債券 | 1.51% | -0.03% | -1.15% | |
| 20 | HPE 7.625 09-01-27債券 | Hp Enterprise Co | 債券 | 1.39% | +0.92% | -1.21% | |
| 21 | NCLH 1.125 02-15-27債券 | Ncl Corporation LTD | 債券 | 1.36% | -1.39% | EXIT | |
| 22 | IAU | Ishares Gold Trust | ETF-避險與商品 | 1.35% | -0.43% | -9.52% | |
| 23 | FOUR 0.5 08-01-27債券 | Shift4 Payments Inc | 債券 | 1.33% | -0.06% | -1.02% | |
| 24 | ETSY 0.125 10-01-26債券 | Etsy Inc | 債券 | 1.31% | +0.53% | -1.19% | |
| 25 | CHEF 2.375 12-15-28債券 | Chefs' Warehouse THE | 債券 | 1.27% | +0.49% | -1.31% | |
| 26 | PATK 1.75 12-01-28債券 | Patrick Industries Inc | 債券 | 1.26% | -0.27% | -9.44% | |
| 27 | MTH 1.75 05-15-28債券 | Meritage Homes CORP | 債券 | 1.26% | -0.03% | -1.77% | |
| 28 | MCHP 7.5 03-15-28債券 | Microchip Technology Inc | 債券 | 1.23% | +0.30% | -1.26% | |
| 29 | AKAM 0.375 09-01-27債券 | Akamai Technologies Inc | 債券 | 1.19% | -0.07% | -22.06% | |
| 30 | DXCM 0.375 05-15-28債券 | Dexcom Inc | 債券 | 1.19% | -0.31% | -1.01% | |
| 31 | DDOG 0 12-01-29債券 | Datadog Inc | 債券 | 1.18% | +0.11% | — | |
| 32 | BMRN 1.25 05-15-27債券 | Biomarin Pharmaceutical | 債券 | 1.16% | -0.08% | -1.57% | |
| 33 | TALO | Talos Energy Inc | 股票-其他 | 1.16% | -0.27% | -2.90% | |
| 34 | BBIO 2.25 02-01-29債券 | Bridgebio Pharma Inc | 債券 | 1.13% | -0.13% | -0.84% | |
| 35 | F 0 03-15-26債券 | Ford Motor Company | 債券 | 1.10% | — | -2.22% | |
| 36 | LYV 2.875 01-15-30債券 | Live Nation Entertainmen | 債券 | 1.09% | +0.01% | — | |
| 37 | BTT | Blackrock 2030 Muni Trgt Trm | 股票-其他 | 1.09% | +0.20% | -3.93% | |
| 38 | TYL 0.25 03-15-26債券 | Tyler Technologies Inc | 債券 | 1.08% | — | -0.99% | |
| 39 | BURL 1.25 12-15-27債券 | Burlington Stores Inc | 債券 | 1.06% | -0.30% | -0.89% | |
| 40 | FLR 1.125 08-15-29債券 | Fluor CORP | 債券 | 1.05% | -0.03% | -1.62% | |
| 41 | SIRI 3.75 03-15-28債券 | Sirius Xm Holdings | 債券 | 1.04% | +0.01% | -0.87% | |
| 42 | PRGS 3.5 03-01-30債券 | Progress Software CORP | 債券 | 1.02% | -0.02% | -1.11% | |
| 43 | NOG 3.625 04-15-29債券 | Northern Oil & Gas Inc | 債券 | 1.02% | -0.27% | -6.27% | |
| 44 | NTNX 0.5 12-15-29債券 | Nutanix Inc | 債券 | 1.00% | -0.43% | — | |
| 45 | GWRE 1.25 11-01-29債券 | Guidewire Software Inc | 債券 | 0.97% | -0.12% | — | |
| 46 | PSN 2.625 03-01-29債券 | Parsons CORP | 債券 | 0.94% | -0.09% | -1.16% | |
| 47 | AFRM 0.75 12-15-29債券 | Affirm Holdings Inc | 債券 | 0.94% | +0.13% | — | |
| 48 | BAC 7.25 PERP L債券 | Bank Of America CORP | 債券 | 0.92% | -0.03% | +19.01% | |
| 49 | QTWO 0.75 06-01-26債券 | Q2 Holdings Inc | 債券 | 0.91% | -0.48% | EXIT | |
| 50 | MHD | Blackrock Muniholdings Fund | 股票-其他 | 0.89% | -0.03% | — |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | LITE 0.5 06-15-28債券 | Lumentum Holdings Inc | +1.6% | -1.34% | 減碼 |
| 2 | WDC 3 11-15-28債券 | Western Digital CORP | +0.9% | -1.80% | 減碼 |
| 3 | AEIS 2.5 09-15-28債券 | Advanced Energy Ind | +0.4% | -1.19% | 減碼 |
| 4 | LITE 0.5 12-15-26債券 | Lumentum Holdings Inc | +0.3% | -2.30% | 減碼 |
| 5 | LNTH 2.625 12-15-27債券 | Lantheus Holdings Inc | +0.3% | +1.87% | 加碼 |
| 6 | MKSI 1.25 06-01-30債券 | Mks Inc | +0.2% | -1.71% | 減碼 |
| 7 | SNOW 0 10-01-27債券 | Snowflake Inc | +0.2% | +13.16% | 加碼 |
| 8 | RIVN 4.625 03-15-29債券 | Rivian Auto Inc | +0.2% | -0.98% | 減碼 |
| 9 | BBIO 2.25 02-01-29債券 | Bridgebio Pharma Inc | +0.2% | -0.84% | 減碼 |
| 10 | APO 6.75 07-31-26債券 | Apollo Global Management | +0.2% | -1.05% | 減碼 |
| 11 | MIRM 4 05-01-29債券 | Mirum Pharmaceuticals | +0.2% | -2.62% | 減碼 |
| 12 | BAC 7.25 PERP L債券 | Bank Of America CORP | +0.2% | +19.01% | 加碼 |
| 13 | TALO | Talos Energy Inc | +0.2% | -2.90% | 減碼 |
| 14 | IRTC 1.5 09-01-29債券 | Irhythm Holdings Inc | +0.2% | +5.92% | 加碼 |
| 15 | BURL 1.25 12-15-27債券 | Burlington Stores Inc | +0.1% | -0.89% | 減碼 |
| 16 | TTEK 2.25 08-15-28債券 | Tetra Tech Inc | +0.1% | +1.75% | 加碼 |
| 17 | ON 0 05-01-27債券 | On Semiconductor CORP | +0.1% | -1.50% | 減碼 |
| 18 | CHEF 2.375 12-15-28債券 | Chefs' Warehouse THE | +0.1% | -1.31% | 減碼 |
| 19 | JAZZ 2 06-15-26債券 | Jazz Investments I LTD | +0.1% | -2.09% | 減碼 |
| 20 | FRPT 3 04-01-28債券 | Freshpet Inc | +0.1% | -1.04% | 減碼 |
| 21 | NEE 7.299 06-01-27債券 | Nextera Energy Inc | +0.1% | -0.46% | 減碼 |
| 22 | QXO 5.5 05-15-28債券 | Qxo Inc | +0.1% | -1.26% | 減碼 |
| 23 | IAU | Ishares Gold Trust | +0.1% | -9.52% | 減碼 |
| 24 | F 0 03-15-26債券 | Ford Motor Company | 0% | -2.22% | 減碼 |
| 25 | BA 6 10-15-27債券 | Boeing Co/the | 0% | -1.41% | 減碼 |
| 26 | EXPE 0 02-15-26債券 | Expedia Group Inc | 0% | -0.81% | 減碼 |
| 27 | CABO 0 03-15-26債券 | Cable One Inc | 0% | — | 不變 |
| 28 | PRGS 3.5 03-01-30債券 | Progress Software CORP | 0% | -1.11% | 減碼 |
| 29 | DXCM 0.375 05-15-28債券 | Dexcom Inc | 0% | -1.01% | 減碼 |
| 30 | CABO 1.125 03-15-28債券 | Cable One Inc | 0% | +2.93% | 加碼 |
| 31 | GLD | Spdr Gold Shares | 0% | — | 不變 |
| 32 | MUJ | Blackrock Munihold Nj Qlty | 0% | — | 不變 |
| 33 | RPD 1.25 03-15-29債券 | Rapid7 Inc | 0% | -0.89% | 減碼 |
| 34 | BMRN 1.25 05-15-27債券 | Biomarin Pharmaceutical | 0% | -1.57% | 減碼 |
| 35 | ARES 6.75 10-01-27 B債券 | Ares Management CORP | 0% | -1.63% | 減碼 |
| 36 | TDOC 1.25 06-01-27債券 | Teladoc Health Inc | 0% | -0.78% | 減碼 |
| 37 | GBX 2.875 04-15-28債券 | Greenbrier Cos Inc | 0% | -0.90% | 減碼 |
| 38 | MHD | Blackrock Muniholdings Fund | 0% | — | 不變 |
| 39 | MUJ | BlackRock MuniHoldings New Jersey Quality Fund, Inc. | 0% | — | 不變 |
| 40 | BTT | Blackrock 2030 Muni Trgt Trm | 0% | -3.93% | 減碼 |
| 41 | IONS 0 04-01-26債券 | Ionis Pharmaceuticals In | 0% | -1.70% | 減碼 |
| 42 | MIY | Blackrock Muniyield Mi Qlty | 0% | — | 不變 |
| 43 | NBH | Neuberger Municipal Fund Inc | 0% | — | 不變 |
| 44 | WK 1.25 08-15-28債券 | Workiva Inc | 0% | -1.29% | 減碼 |
| 45 | TPB | Turning Point Brands Inc | 0% | — | 不變 |
| 46 | DBX 0 03-01-26債券 | Dropbox Inc | 0% | -1.45% | 減碼 |
| 47 | MYN | Blackrock Muniyield Ny Qlty | 0% | — | 不變 |
| 48 | MHD | BlackRock MuniHoldings Fund, Inc. | 0% | — | 不變 |
| 49 | QTWO 0.75 06-01-26債券 | Q2 Holdings Inc | — | -1.16% | 減碼 |
| 50 | MCHP 7.5 03-15-28債券 | Microchip Technology Inc | — | -1.26% | 減碼 |
根據 SEC 官方 Form 13F 申報備案，Mackay Shields LLC 在 Q4 2025 季度的美股持倉總市值約為 US$29.9億，共申報了 132 個公開持股部位。
在 Q4 2025 季度，Mackay Shields LLC 按市值排列的前三大核心持股分別為：WDC 3 11-15-28 (3.0%)、LITE 0.5 06-15-28 (3.0%)、AEIS 2.5 09-15-28 (2.6%)。其中最大持股部位 WDC 3 11-15-28 佔據整體投資組合約 3.0% 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
DDOG 0 12-01-29
市值: US$3384.4萬
本季最大獲利了結 / 清倉標的
LITE 1.5 12-15-29
前期市值: US$2188.9萬
在 Q4 2025 季度中，Mackay Shields LLC 共進行了 123 項持倉異動，包含新建倉 10 個部位、加碼 7 個部位、減碼 92 個部位以及清倉 14 個部位。 其中最大新建倉標的為 DDOG 0 12-01-29。 本季清倉部位包含 LITE 1.5 12-15-29。
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。