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$27.6億
US$27.6億
108 檔
19.5%
Mackay Shields LLC 在 Q2 2026 季度的美股部位總計估值為 US$27.6億，分散於 108 個持倉標的之中，反映其市場參與廣度與投資規模。
從 Q2 2026 申報觀察，Mackay Shields LLC 採取防禦導向的調倉策略，本季減碼 59 檔個股並出清 16 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 WDC 3 11-15-28, , MKSI 1.25 06-01-30）累計市值佔比達 19.5%，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 | WDC 3 11-15-28債券 | Western Digital CORP | 債券 | 5.05% | -3.14% | -42.16% | |
| 2 | ✓ | 股票-其他 | 4.11% | +0.23% | — | ||
| 3 | MKSI 1.25 06-01-30債券 | Mks Inc | 債券 | 3.60% | -1.17% | -0.11% | |
| 4 | LITE 0.5 06-15-28債券 | Lumentum Holdings Inc | 債券 | 2.82% | -0.10% | -51.90% | |
| 5 | LNTH 2.625 12-15-27債券 | Lantheus Holdings Inc | 債券 | 2.48% | -2.48% | EXIT | |
| 6 | HPE 7.625 09-01-27債券 | Hp Enterprise Co | 債券 | 2.35% | +1.22% | -0.10% | |
| 7 | CABO 1.125 03-15-28債券 | Cable One Inc | 債券 | 1.97% | -1.12% | +16.20% | |
| 8 | QXO 5.5 05-15-28債券 | Qxo Inc | 債券 | 1.92% | -0.03% | -0.07% | |
| 9 | BA 6 10-15-27債券 | Boeing Co/the | 債券 | 1.88% | -0.11% | -0.09% | |
| 10 | TTEK 2.25 08-15-28債券 | Tetra Tech Inc | 債券 | 1.85% | +0.17% | -3.80% | |
| 11 | UBER 0.875 12-01-28 2028債券 | Uber Technologies Inc | 債券 | 1.82% | +0.33% | +0.03% | |
| 12 | SNOW 0 10-01-27債券 | Snowflake Inc | 債券 | 1.81% | +1.08% | -0.09% | |
| 13 | CHEF 2.375 12-15-28債券 | Chefs' Warehouse THE | 債券 | 1.78% | -1.78% | EXIT | |
| 14 | ETSY 0.125 10-01-26債券 | Etsy Inc | 債券 | 1.70% | -1.70% | EXIT | |
| 15 | NEE 7.299 06-01-27債券 | Nextera Energy Inc | 債券 | 1.69% | -0.03% | +98.96% | |
| 16 | PCG 4.25 12-01-27債券 | Pg&e CORP | 債券 | 1.59% | +0.24% | +0.15% | |
| 17 | MCHP 7.5 03-15-28債券 | Microchip Technology Inc | 債券 | 1.56% | — | +0.41% | |
| 18 | BTT | Blackrock 2030 Muni Trgt Trm | 股票-其他 | 1.50% | +0.06% | +25.65% | |
| 19 | ITGR 1.875 03-15-30債券 | Integer Holdings CORP | 債券 | 1.47% | -1.47% | EXIT | |
| 20 | APO 6.75 07-31-26債券 | Apollo Global Management | 債券 | 1.46% | -1.46% | EXIT | |
| 21 | FWONK 2.25 08-15-27債券 | Liberty Media CORP | 債券 | 1.41% | +0.03% | -0.23% | |
| 22 | POST 2.5 08-15-27債券 | Post Holdings Inc | 債券 | 1.40% | +0.04% | -0.17% | |
| 23 | ✓ | 股票-其他 | 1.38% | +0.22% | — | ||
| 24 | AKAM 0.375 09-01-27債券 | Akamai Technologies Inc | 債券 | 1.37% | +0.16% | +0.61% | |
| 25 | ON 0 05-01-27債券 | On Semiconductor CORP | 債券 | 1.34% | -0.16% | -43.97% | |
| 26 | NINE | Nine Energy Service Inc | 股票-其他 | 1.31% | -0.50% | -1.79% | |
| 27 | DDOG 0 12-01-29債券 | Datadog Inc | 債券 | 1.31% | +0.12% | -18.83% | |
| 28 | ✓ | 股票-其他 | 1.28% | +1.00% | — | ||
| 29 | FRPT 3 04-01-28債券 | Freshpet Inc | 債券 | 1.24% | +0.25% | +0.03% | |
| 30 | BBIO 2.25 02-01-29債券 | Bridgebio Pharma Inc | 債券 | 1.24% | — | -0.17% | |
| 31 | IRTC 1.5 09-01-29債券 | Irhythm Holdings Inc | 債券 | 1.20% | +0.06% | -0.10% | |
| 32 | LYV 2.875 01-15-30債券 | Live Nation Entertainmen | 債券 | 1.19% | -0.01% | — | |
| 33 | PTON 5.5 12-01-29債券 | Peloton Interactive Inc | 債券 | 1.17% | -0.06% | +10.72% | |
| 34 | FLR 1.125 08-15-29債券 | Fluor CORP | 債券 | 1.16% | +0.01% | -0.55% | |
| 35 | JAZZ 3.125 09-15-30債券 | Jazz Investments I LTD | 債券 | 1.16% | -1.16% | EXIT | |
| 36 | NOG 3.625 04-15-29債券 | Northern Oil & Gas Inc | 債券 | 1.07% | +0.14% | -0.17% | |
| 37 | AFRM 0.75 12-15-29債券 | Affirm Holdings Inc | 債券 | 1.06% | +0.34% | -0.14% | |
| 38 | ✓ | 股票-其他 | 1.06% | +0.23% | — | ||
| 39 | ✓ | 股票-其他 | 1.06% | +1.34% | — | ||
| 40 | U 0 03-15-30債券 | Unity Software Inc | 債券 | 1.02% | +0.29% | +0.01% | |
| 41 | ORCL 6.5 01-15-29 D債券 | Oracle CORP | 債券 | 0.98% | +0.43% | -0.16% | |
| 42 | MTH 1.75 05-15-28債券 | Meritage Homes CORP | 債券 | 0.97% | +0.01% | -0.33% | |
| 43 | PATK 1.75 12-01-28債券 | Patrick Industries Inc | 債券 | 0.95% | -0.13% | -0.09% | |
| 44 | SIRI 3.75 03-15-28債券 | Sirius Xm Holdings | 債券 | 0.94% | +0.01% | — | |
| 45 | BURL 1.25 12-15-27債券 | Burlington Stores Inc | 債券 | 0.94% | -0.07% | -13.98% | |
| 46 | PRGS 3.5 03-01-30債券 | Progress Software CORP | 債券 | 0.92% | +0.11% | -0.36% | |
| 47 | BAC 7.25 PERP L債券 | Bank Of America CORP | 債券 | 0.88% | +0.04% | -0.29% | |
| 48 | PSN 2.625 03-01-29債券 | Parsons CORP | 債券 | 0.86% | +0.03% | +0.13% | |
| 49 | BMRN 1.25 05-15-27債券 | Biomarin Pharmaceutical | 債券 | 0.86% | +0.08% | -0.26% | |
| 50 | IAU | Ishares Gold Trust | ETF-避險與商品 | 0.83% | -0.16% | -15.92% |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | ✓ | +4.1% | NEW | 新建倉 | |
| 2 | MKSI 1.25 06-01-30債券 | Mks Inc | +1.4% | -0.11% | 減碼 |
| 3 | ✓ | +1.4% | NEW | 新建倉 | |
| 4 | ✓ | +1.3% | NEW | 新建倉 | |
| 5 | JAZZ 3.125 09-15-30債券 | Jazz Investments I LTD | +1.2% | NEW | 新建倉 |
| 6 | ✓ | +1.1% | NEW | 新建倉 | |
| 7 | ✓ | +1.1% | NEW | 新建倉 | |
| 8 | WDC 3 11-15-28債券 | Western Digital CORP | +1% | -42.16% | 減碼 |
| 9 | HPE 7.625 09-01-27債券 | Hp Enterprise Co | +0.9% | -0.10% | 減碼 |
| 10 | ✓ | +0.8% | NEW | 新建倉 | |
| 11 | NEE 7.299 06-01-27債券 | Nextera Energy Inc | +0.7% | +98.96% | 加碼 |
| 12 | ARWR 0 01-15-32債券 | Arrowhead Research CORP | +0.7% | +581.90% | 加碼 |
| 13 | ETSY 0.125 10-01-26債券 | Etsy Inc | +0.5% | +52.39% | 加碼 |
| 14 | ✓ | +0.5% | NEW | 新建倉 | |
| 15 | CHEF 2.375 12-15-28債券 | Chefs' Warehouse THE | +0.5% | -0.16% | 減碼 |
| 16 | ✓ | +0.4% | NEW | 新建倉 | |
| 17 | SNOW 0 10-01-27債券 | Snowflake Inc | +0.4% | -0.09% | 減碼 |
| 18 | NINE | Nine Energy Service Inc | +0.4% | -1.79% | 減碼 |
| 19 | NEE 7.375 02-15-29債券 | Nextera Energy Inc | +0.4% | NEW | 新建倉 |
| 20 | ✓ | +0.3% | NEW | 新建倉 | |
| 21 | MCHP 7.5 03-15-28債券 | Microchip Technology Inc | +0.3% | +0.41% | 加碼 |
| 22 | GH 0 11-15-27債券 | Guardant Health Inc | +0.3% | NEW | 新建倉 |
| 23 | LNTH 2.625 12-15-27債券 | Lantheus Holdings Inc | +0.2% | -0.07% | 減碼 |
| 24 | PTON 5.5 12-01-29債券 | Peloton Interactive Inc | +0.2% | +10.72% | 加碼 |
| 25 | BTT | Blackrock 2030 Muni Trgt Trm | +0.2% | +25.65% | 加碼 |
| 26 | SYNA 0.75 12-01-31債券 | Synaptics Inc | +0.2% | — | 不變 |
| 27 | ✓ | +0.2% | NEW | 新建倉 | |
| 28 | AFRM 0.75 12-15-29債券 | Affirm Holdings Inc | +0.1% | -0.14% | 減碼 |
| 29 | DDOG 0 12-01-29債券 | Datadog Inc | +0.1% | -18.83% | 減碼 |
| 30 | WBD | Warner Bros Discovery Inc | +0.1% | +58.26% | 加碼 |
| 31 | U 0 03-15-30債券 | Unity Software Inc | 0% | +0.01% | 加碼 |
| 32 | UPST 1 11-15-30債券 | Upstart Holdings Inc | 0% | — | 不變 |
| 33 | LYV 3.125 01-15-29債券 | Live Nation Entertainmen | 0% | -1.06% | 減碼 |
| 34 | LYV 2.875 01-15-30債券 | Live Nation Entertainmen | 0% | — | 不變 |
| 35 | SIRI 3.75 03-15-28債券 | Sirius Xm Holdings | 0% | — | 不變 |
| 36 | RIVN 4.625 03-15-29債券 | Rivian Auto Inc | 0% | -0.04% | 減碼 |
| 37 | NET 0 08-15-26債券 | Cloudflare Inc | — | -0.76% | 減碼 |
| 38 | NTNX 0.25 10-01-27債券 | Nutanix Inc | — | -0.48% | 減碼 |
| 39 | WW | Ww International Inc-new | — | — | 不變 |
| 40 | EIM | Eaton Vance Municipal Bond | — | — | 不變 |
| 41 | PPL 2.875 03-15-28債券 | Ppl Capital Funding Inc | — | — | 不變 |
| 42 | SECR | Nyli Mackay Secur Inc ETF | — | — | 不變 |
| 43 | CHGG 0 09-01-26債券 | Chegg Inc | — | — | 不變 |
| 44 | VKI | Invesco Adv Muni Inc Tr Ii | 0% | EXIT | 清倉 |
| 45 | HALO 0.25 03-01-27債券 | Halozyme Therapeutics In | 0% | -0.17% | 減碼 |
| 46 | SPB 3.375 06-01-29債券 | Spectrum Brands Inc | 0% | — | 不變 |
| 47 | BL 1 06-01-29債券 | Blackline Inc | 0% | -53.54% | 減碼 |
| 48 | VFL | Abrdn National Municipal Inc | 0% | — | 不變 |
| 49 | MUC | Blackrock Munihold Ca Qlty | 0% | -12.28% | 減碼 |
| 50 | MFM | Aberdeen Municipal Income | 0% | +0.20% | 加碼 |
根據 SEC 官方 Form 13F 申報備案，Mackay Shields LLC 在 Q2 2026 季度的美股持倉總市值約為 US$27.6億，共申報了 108 個公開持股部位。
在 Q2 2026 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 (5.0%)、 (4.1%)、MKSI 1.25 06-01-30 (3.6%)。其中最大持股部位 WDC 3 11-15-28 佔據整體投資組合約 5.0% 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
市值: US$1.2億
本季最大獲利了結 / 清倉標的
NCLH 1.125 02-15-27
前期市值: US$3797.7萬
在 Q2 2026 季度中，Mackay Shields LLC 共進行了 104 項持倉異動，包含新建倉 13 個部位、加碼 16 個部位、減碼 59 個部位以及清倉 16 個部位。 其中最大新建倉標的為 。 本季清倉部位包含 NCLH 1.125 02-15-27。
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。