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
136 檔
11.0%
在 Q3 2025 的 13F 官方備案中，Mackay Shields LLC 管理的美股投資組合規模來到 US$29.9億，整體持股檔數為 136 檔。
從 Q3 2025 申報觀察，Mackay Shields LLC 採取防禦導向的調倉策略，本季減碼 69 檔個股並出清 28 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 STX 3.5 06-01-28, QXO 5.5 05-15-28, TTEK 2.25 08-15-28）累計市值佔比達 11.0%，是驅動 Mackay Shields LLC 該季度整體投資組合績效表現的核心支柱。
| # | 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 | STX 3.5 06-01-28債券 | Seagate Hdd Cayman | 債券 | 2.51% | -1.16% | EXIT | |
| 2 | QXO 5.5 05-15-28債券 | Qxo Inc | 債券 | 2.23% | -0.47% | +29.10% | |
| 3 | TTEK 2.25 08-15-28債券 | Tetra Tech Inc | 債券 | 2.16% | -0.25% | -9.16% | |
| 4 | UBER 0.875 12-01-28 2028債券 | Uber Technologies Inc | 債券 | 2.15% | -0.18% | -0.42% | |
| 5 | MIRM 4 05-01-29債券 | Mirum Pharmaceuticals | 債券 | 2.15% | -2.29% | -5.98% | |
| 6 | AEIS 2.5 09-15-28債券 | Advanced Energy Ind | 債券 | 2.13% | -3.06% | -0.47% | |
| 7 | WDC 3 11-15-28債券 | Western Digital CORP | 債券 | 2.10% | +0.99% | -0.93% | |
| 8 | PCG 4.25 12-01-27債券 | Pg&e CORP | 債券 | 2.08% | -0.17% | -0.35% | |
| 9 | LNTH 2.625 12-15-27債券 | Lantheus Holdings Inc | 債券 | 2.00% | +0.24% | -0.28% | |
| 10 | BA 6 10-15-27債券 | Boeing Co/the | 債券 | 1.99% | -0.10% | -0.44% | |
| 11 | HALO 0.25 03-01-27債券 | Halozyme Therapeutics In | 債券 | 1.97% | -0.01% | — | |
| 12 | CABO 1.125 03-15-28債券 | Cable One Inc | 債券 | 1.96% | -0.17% | +6.97% | |
| 13 | POST 2.5 08-15-27債券 | Post Holdings Inc | 債券 | 1.92% | -0.20% | -14.38% | |
| 14 | NTNX 0.25 10-01-27債券 | Nutanix Inc | 債券 | 1.91% | — | -0.40% | |
| 15 | APO 6.75 07-31-26債券 | Apollo Global Management | 債券 | 1.73% | -0.08% | -0.44% | |
| 16 | OSIS 2.25 08-01-29債券 | Osi Systems Inc | 債券 | 1.61% | -0.05% | — | |
| 17 | FWONK 2.25 08-15-27債券 | Liberty Media CORP | 債券 | 1.56% | -0.03% | -0.50% | |
| 18 | ON 0 05-01-27債券 | On Semiconductor CORP | 債券 | 1.55% | -0.52% | -11.51% | |
| 19 | IRTC 1.5 09-01-29債券 | Irhythm Holdings Inc | 債券 | 1.45% | -0.11% | — | |
| 20 | LITE 0.5 06-15-28債券 | Lumentum Holdings Inc | 債券 | 1.44% | -2.44% | — | |
| 21 | AKAM 0.375 09-01-27債券 | Akamai Technologies Inc | 債券 | 1.42% | -0.07% | -1.18% | |
| 22 | HPE 7.625 09-01-27債券 | Hp Enterprise Co | 債券 | 1.40% | +0.92% | -0.50% | |
| 23 | MKSI 1.25 06-01-30債券 | Mks Inc | 債券 | 1.39% | +1.39% | -0.33% | |
| 24 | NCLH 1.125 02-15-27債券 | Ncl Corporation LTD | 債券 | 1.37% | -1.39% | EXIT | |
| 25 | SNOW 0 10-01-27債券 | Snowflake Inc | 債券 | 1.36% | +0.40% | — | |
| 26 | FOUR 0.5 08-01-27債券 | Shift4 Payments Inc | 債券 | 1.34% | -0.06% | -0.26% | |
| 27 | ETSY 0.125 10-01-26債券 | Etsy Inc | 債券 | 1.33% | +0.53% | -0.29% | |
| 28 | IONS 1.75 06-15-28債券 | Ionis Pharmaceuticals In | 債券 | 1.31% | -0.45% | — | |
| 29 | IAU | Ishares Gold Trust | ETF-避險與商品 | 1.30% | -0.43% | -5.41% | |
| 30 | MTH 1.75 05-15-28債券 | Meritage Homes CORP | 債券 | 1.29% | -0.03% | -0.61% | |
| 31 | PATK 1.75 12-01-28債券 | Patrick Industries Inc | 債券 | 1.29% | -0.27% | -20.44% | |
| 32 | MCHP 7.5 03-15-28債券 | Microchip Technology Inc | 債券 | 1.23% | +0.30% | -0.56% | |
| 33 | CHEF 2.375 12-15-28債券 | Chefs' Warehouse THE | 債券 | 1.19% | +0.49% | -30.30% | |
| 34 | DXCM 0.375 05-15-28債券 | Dexcom Inc | 債券 | 1.16% | -0.31% | -0.48% | |
| 35 | TYL 0.25 03-15-26債券 | Tyler Technologies Inc | 債券 | 1.15% | — | -1.24% | |
| 36 | BMRN 1.25 05-15-27債券 | Biomarin Pharmaceutical | 債券 | 1.14% | -0.08% | -20.52% | |
| 37 | NOG 3.625 04-15-29債券 | Northern Oil & Gas Inc | 債券 | 1.09% | -0.27% | -0.46% | |
| 38 | BTT | Blackrock 2030 Muni Trgt Trm | 股票-其他 | 1.08% | +0.20% | -9.21% | |
| 39 | FLR 1.125 08-15-29債券 | Fluor CORP | 債券 | 1.08% | -0.03% | -0.65% | |
| 40 | F 0 03-15-26債券 | Ford Motor Company | 債券 | 1.06% | — | -0.56% | |
| 41 | SIRI 3.75 03-15-28債券 | Sirius Xm Holdings | 債券 | 1.06% | +0.01% | — | |
| 42 | PSN 2.625 03-01-29債券 | Parsons CORP | 債券 | 1.03% | -0.09% | +0.01% | |
| 43 | TALO | Talos Energy Inc | 股票-其他 | 1.01% | -0.27% | -1.08% | |
| 44 | PRGS 3.5 03-01-30債券 | Progress Software CORP | 債券 | 0.99% | -0.02% | -0.24% | |
| 45 | BBIO 2.25 02-01-29債券 | Bridgebio Pharma Inc | 債券 | 0.97% | -0.13% | — | |
| 46 | BURL 1.25 12-15-27債券 | Burlington Stores Inc | 債券 | 0.95% | -0.30% | — | |
| 47 | QTWO 0.75 06-01-26債券 | Q2 Holdings Inc | 債券 | 0.91% | -0.48% | EXIT | |
| 48 | DBX 0 03-01-28債券 | Dropbox Inc | 債券 | 0.87% | -0.03% | — | |
| 49 | MHD | Blackrock Muniholdings Fund | 股票-其他 | 0.87% | -0.03% | +1.87% | |
| 50 | ALNY 1 09-15-27債券 | Alnylam Pharmaceuticals | 債券 | 0.85% | -0.10% | -0.52% |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | STX 3.5 06-01-28債券 | Seagate Hdd Cayman | +1.3% | -15.17% | 減碼 |
| 2 | WDC 3 11-15-28債券 | Western Digital CORP | +1.3% | -0.93% | 減碼 |
| 3 | IRTC 1.5 09-01-29債券 | Irhythm Holdings Inc | +0.8% | — | 加碼 |
| 4 | BA 6 10-15-27債券 | Boeing Co/the | +0.8% | -0.44% | 加碼 |
| 5 | MIRM 4 05-01-29債券 | Mirum Pharmaceuticals | +0.7% | -5.98% | 減碼 |
| 6 | QTWO 0.75 06-01-26債券 | Q2 Holdings Inc | +0.6% | — | 加碼 |
| 7 | AEIS 2.5 09-15-28債券 | Advanced Energy Ind | +0.6% | -0.47% | 減碼 |
| 8 | CABO 1.125 03-15-28債券 | Cable One Inc | +0.6% | +6.97% | 加碼 |
| 9 | LITE 0.5 06-15-28債券 | Lumentum Holdings Inc | +0.5% | — | 不變 |
| 10 | GPOR | Gulfport Energy CORP | +0.5% | +756.59% | 加碼 |
| 11 | HPE 7.625 09-01-27債券 | Hp Enterprise Co | +0.5% | -0.50% | 減碼 |
| 12 | UBER 0.875 12-01-28 2028債券 | Uber Technologies Inc | +0.5% | -0.42% | 減碼 |
| 13 | MCHP 7.5 03-15-28債券 | Microchip Technology Inc | +0.4% | -0.56% | 加碼 |
| 14 | IONS 1.75 06-15-28債券 | Ionis Pharmaceuticals In | +0.4% | — | 減碼 |
| 15 | PSN 2.625 03-01-29債券 | Parsons CORP | +0.3% | +0.01% | 加碼 |
| 16 | ALNY 1 09-15-27債券 | Alnylam Pharmaceuticals | +0.3% | -0.52% | 減碼 |
| 17 | PRGS 3.5 03-01-30債券 | Progress Software CORP | +0.3% | -0.24% | 加碼 |
| 18 | BBIO 2.25 02-01-29債券 | Bridgebio Pharma Inc | +0.3% | — | 加碼 |
| 19 | PI 1.125 05-15-27債券 | Impinj Inc | +0.2% | — | 不變 |
| 20 | FWONK 2.25 08-15-27債券 | Liberty Media CORP | +0.2% | -0.50% | 減碼 |
| 21 | ETSY 0.125 10-01-26債券 | Etsy Inc | +0.2% | -0.29% | 減碼 |
| 22 | NTNX 0.25 10-01-27債券 | Nutanix Inc | +0.2% | -0.40% | 減碼 |
| 23 | NBH | Neuberger Municipal Fund Inc | +0.1% | +4.45% | 加碼 |
| 24 | MHD | Blackrock Muniholdings Fund | +0.1% | +1.87% | 加碼 |
| 25 | LITE 0.5 12-15-26債券 | Lumentum Holdings Inc | +0.1% | -3.57% | 減碼 |
| 26 | DBX 0 03-01-28債券 | Dropbox Inc | +0.1% | — | 不變 |
| 27 | ARES 6.75 10-01-27 B債券 | Ares Management CORP | +0.1% | +0.27% | 減碼 |
| 28 | BURL 1.25 12-15-27債券 | Burlington Stores Inc | +0.1% | — | 不變 |
| 29 | MHD | BlackRock MuniHoldings Fund, Inc. | +0.1% | — | 加碼 |
| 30 | BLK | BlackRock, Inc. | +0.1% | -0.30% | 加碼 |
| 31 | XMYDX | Blackrock Muniyield Fund | +0.1% | -4.38% | 加碼 |
| 32 | RIVN 4.625 03-15-29債券 | Rivian Auto Inc | +0.1% | -0.42% | 減碼 |
| 33 | WK 1.25 08-15-28債券 | Workiva Inc | +0.1% | — | 不變 |
| 34 | SIRI 3.75 03-15-28債券 | Sirius Xm Holdings | +0.1% | — | 不變 |
| 35 | GLD | Spdr Gold Shares | +0.1% | — | 不變 |
| 36 | IAU | Ishares Gold Trust | +0.1% | -5.41% | 減碼 |
| 37 | FOUR 0.5 08-01-27債券 | Shift4 Payments Inc | 0% | -0.26% | 減碼 |
| 38 | VMO | Invesco Municipal Opport | 0% | — | 加碼 |
| 39 | FIVN 1 03-15-29債券 | Five9 Inc | 0% | +2.89% | 加碼 |
| 40 | LYV 3.125 01-15-29債券 | Live Nation Entertainmen | 0% | -3.46% | 減碼 |
| 41 | MUJ | Blackrock Munihold Nj Qlty | 0% | -1.45% | 減碼 |
| 42 | CABO 0 03-15-26債券 | Cable One Inc | 0% | -1.19% | 減碼 |
| 43 | AKAM 0.375 09-01-27債券 | Akamai Technologies Inc | 0% | -1.18% | 減碼 |
| 44 | TALO | Talos Energy Inc | 0% | -1.08% | 減碼 |
| 45 | IONS 0 04-01-26債券 | Ionis Pharmaceuticals In | 0% | -3.06% | 減碼 |
| 46 | RPD 1.25 03-15-29債券 | Rapid7 Inc | 0% | -0.46% | 減碼 |
| 47 | MYN | Blackrock Muniyield Ny Qlty | 0% | — | 加碼 |
| 48 | TDOC 1.25 06-01-27債券 | Teladoc Health Inc | 0% | -1.45% | 減碼 |
| 49 | MFM | Aberdeen Municipal Income | 0% | +30.02% | 加碼 |
| 50 | XNQPX | Nuveen Pa Qlty Muni Inc | 0% | — | 不變 |
根據 SEC 官方 Form 13F 申報備案，Mackay Shields LLC 在 Q3 2025 季度的美股持倉總市值約為 US$29.9億，共申報了 136 個公開持股部位。
在 Q3 2025 季度，Mackay Shields LLC 按市值排列的前三大核心持股分別為：STX 3.5 06-01-28 (2.5%)、QXO 5.5 05-15-28 (2.2%)、TTEK 2.25 08-15-28 (2.2%)。其中最大持股部位 STX 3.5 06-01-28 佔據整體投資組合約 2.5% 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
QXO 5.5 05-15-28
市值: US$6549.1萬
本季最大獲利了結 / 清倉標的
NRG 2.75 06-01-48
前期市值: US$7743.5萬
在 Q3 2025 季度中，Mackay Shields LLC 共進行了 141 項持倉異動，包含新建倉 20 個部位、加碼 24 個部位、減碼 69 個部位以及清倉 28 個部位。 其中最大新建倉標的為 QXO 5.5 05-15-28。 本季清倉部位包含 NRG 2.75 06-01-48。
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。