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: 0001533551
申報總市值
US$11.0億
US$11.0億
54 檔
18.8%
根據最新整理的 13F 季度數據集，Wellesley Asset Management 於 Q4 2025 結束時的管理資產規模為 US$11.0億。該機構在本季度申報了 54 檔美股持倉，呈現出該時期的主要投資地圖。
在 Q4 2025，Wellesley Asset Management 展現出較為審慎的避險與獲利了結姿態。本季共減碼 26 個部位並完全清倉 13 檔持股，調降曝險的部位數量高於加碼動作。
檢視投資組合結構，前 5 大主力部位（包含 BOX 1.5 09-15-29, HAE 2.5 06-01-29, SYNA 0.75 12-01-31）占據了總市值的 18.8%，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 | BOX 1.5 09-15-29債券 | Box Inc | 債券 | 4.51% | -0.47% | +40.04% | |
| 2 | HAE 2.5 06-01-29債券 | Haemonetics CORP | 債券 | 4.41% | -0.31% | +43.99% | |
| 3 | SYNA 0.75 12-01-31債券 | Synaptics Inc | 債券 | 4.34% | -1.69% | — | |
| 4 | LIVN 2.5 03-15-29債券 | Livanova PLC | 債券 | 4.09% | +0.36% | -17.11% | |
| 5 | F 0 03-15-26債券 | Ford Motor Company | 債券 | 4.03% | — | -14.63% | |
| 6 | PCG 4.25 12-01-27債券 | Pg&e CORP | 債券 | 3.98% | -0.73% | -9.10% | |
| 7 | ITRI 1.375 07-15-30債券 | Itron Inc | 債券 | 3.84% | +0.29% | +863.49% | |
| 8 | GBX 2.875 04-15-28債券 | Greenbrier Cos Inc | 債券 | 3.78% | -0.67% | +19.88% | |
| 9 | BL 1 06-01-29債券 | Blackline Inc | 債券 | 3.76% | +0.09% | -3.83% | |
| 10 | VSH 2.25 09-15-30債券 | Vishay Intertechnology | 債券 | 3.70% | -4.15% | EXIT | |
| 11 | MTH 1.75 05-15-28債券 | Meritage Homes CORP | 債券 | 3.51% | -0.42% | -9.81% | |
| 12 | ON 0.5 03-01-29債券 | On Semiconductor CORP | 債券 | 3.29% | -1.93% | -16.93% | |
| 13 | FOUR 0.5 08-01-27債券 | Shift4 Payments Inc | 債券 | 3.14% | -3.10% | EXIT | |
| 14 | AKAM 0.375 09-01-27債券 | Akamai Technologies Inc | 債券 | 3.06% | -1.45% | -4.74% | |
| 15 | RGEN 1 12-15-28債券 | Repligen CORP | 債券 | 2.76% | -0.08% | +1.19% | |
| 16 | AMPH 2 03-15-29債券 | Amphastar Pharmaceutical | 債券 | 2.74% | -1.78% | -32.78% | |
| 17 | WGO 3.25 01-15-30債券 | Winnebago Industries | 債券 | 2.70% | -0.38% | -11.37% | |
| 18 | LYFT 0.625 03-01-29債券 | Lyft Inc | 債券 | 2.68% | -1.12% | -19.24% | |
| 19 | PSN 2.625 03-01-29債券 | Parsons CORP | 債券 | 2.56% | -0.21% | -4.49% | |
| 20 | GPN 1.5 03-01-31債券 | Global Payments Inc | 債券 | 2.51% | -0.36% | +4.90% | |
| 21 | SPOT 0 03-15-26債券 | Spotify USA Inc | 債券 | 2.23% | — | -11.14% | |
| 22 | JBTM 0.25 05-15-26債券 | Jbt Marel CORP | 債券 | 2.10% | — | -5.95% | |
| 23 | OMCL 1 12-01-29債券 | Omnicell Inc | 債券 | 1.90% | +0.07% | — | |
| 24 | AKAM 1.125 02-15-29債券 | Akamai Technologies Inc | 債券 | 1.86% | -1.90% | -5.86% | |
| 25 | LNTH 2.625 12-15-27債券 | Lantheus Holdings Inc | 債券 | 1.76% | -0.26% | — | |
| 26 | ALRM 2.25 06-01-29債券 | Alarm.com Hldgs Inc | 債券 | 1.73% | -0.06% | +77.18% | |
| 27 | PRGS 3.5 03-01-30債券 | Progress Software CORP | 債券 | 1.71% | -0.42% | +367.66% | |
| 28 | DDOG 0 12-01-29債券 | Datadog Inc | 債券 | 1.59% | -0.99% | — | |
| 29 | PPL 2.875 03-15-28債券 | Ppl Capital Funding Inc | 債券 | 1.51% | -0.27% | -5.78% | |
| 30 | LNT 3.875 03-15-26債券 | Alliant Energy CORP | 債券 | 1.36% | — | -8.97% | |
| 31 | ENOV 3.875 10-15-28債券 | Enovis CORP | 債券 | 1.35% | — | — | |
| 32 | FE 4 05-01-26債券 | Firstenergy CORP | 債券 | 1.13% | — | — | |
| 33 | SPB 3.375 06-01-29債券 | Spectrum Brands Inc | 債券 | 0.89% | -0.96% | EXIT | |
| 34 | ORA 2.5 07-15-27債券 | Ormat Technologies Inc | 債券 | 0.87% | — | -4.39% | |
| 35 | WKC 3.25 07-01-28債券 | World Kinect Group | 債券 | 0.63% | +0.28% | +26.74% | |
| 36 | COLL 2.875 02-15-29債券 | Collegium Pharma Inc | 債券 | 0.58% | +0.16% | +14.29% | |
| 37 | TTEK 2.25 08-15-28債券 | Tetra Tech Inc | 債券 | 0.55% | +1.01% | +40.11% | |
| 38 | FLR 1.125 08-15-29債券 | Fluor CORP | 債券 | 0.55% | +0.38% | -4.86% | |
| 39 | PCRX 2.125 05-15-29債券 | Pacira Biosciences Inc | 債券 | 0.52% | -0.05% | +206.04% | |
| 40 | COGT 1.625 11-15-31債券 | Cogent Biosciences Inc | 債券 | 0.48% | +0.25% | — | |
| 41 | CSWC 5.125 11-15-29債券 | Capital Southwest CORP | 債券 | 0.46% | — | -75.76% | |
| 42 | POST 2.5 08-15-27債券 | Post Holdings Inc | 債券 | 0.45% | +0.13% | — | |
| 43 | GWRE 1.25 11-01-29債券 | Guidewire Software Inc | 債券 | 0.45% | -0.53% | — | |
| 44 | CNP 4.25 08-15-26債券 | Centerpoint Energy Inc | 債券 | 0.43% | -0.46% | EXIT | |
| 45 | DBX 0 03-01-28債券 | Dropbox Inc | 債券 | 0.42% | +0.36% | — | |
| 46 | BMRN 1.25 05-15-27債券 | Biomarin Pharmaceutical | 債券 | 0.41% | +0.45% | -84.95% | |
| 47 | IMCR 2.5 02-01-30債券 | Immunocore Holdings | 債券 | 0.39% | -0.03% | +15.28% | |
| 48 | MKSI 1.25 06-01-30債券 | Mks Inc | 債券 | 0.38% | — | — | |
| 49 | TYL 0.25 03-15-26債券 | Tyler Technologies Inc | 債券 | 0.36% | — | +16.67% | |
| 50 | WEC 4.375 06-01-27債券 | Wec Energy Group Inc | 債券 | 0.36% | -0.19% | EXIT |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | ITRI 1.375 07-15-30債券 | Itron Inc | +3.4% | +863.49% | 加碼 |
| 2 | HAE 2.5 06-01-29債券 | Haemonetics CORP | +1.8% | +43.99% | 加碼 |
| 3 | FOUR 0.5 08-01-27債券 | Shift4 Payments Inc | +1.4% | +75.05% | 加碼 |
| 4 | PRGS 3.5 03-01-30債券 | Progress Software CORP | +1.4% | +367.66% | 加碼 |
| 5 | BOX 1.5 09-15-29債券 | Box Inc | +1.3% | +40.04% | 加碼 |
| 6 | ALRM 2.25 06-01-29債券 | Alarm.com Hldgs Inc | +0.8% | +77.18% | 加碼 |
| 7 | GBX 2.875 04-15-28債券 | Greenbrier Cos Inc | +0.8% | +19.88% | 加碼 |
| 8 | PCRX 2.125 05-15-29債券 | Pacira Biosciences Inc | +0.4% | +206.04% | 加碼 |
| 9 | RGEN 1 12-15-28債券 | Repligen CORP | +0.3% | +1.19% | 加碼 |
| 10 | TTEK 2.25 08-15-28債券 | Tetra Tech Inc | +0.2% | +40.11% | 加碼 |
| 11 | COLL 2.875 02-15-29債券 | Collegium Pharma Inc | +0.2% | +14.29% | 加碼 |
| 12 | GPN 1.5 03-01-31債券 | Global Payments Inc | +0.2% | +4.90% | 加碼 |
| 13 | WKC 3.25 07-01-28債券 | World Kinect Group | +0.1% | +26.74% | 加碼 |
| 14 | AKAM 0.375 09-01-27債券 | Akamai Technologies Inc | +0.1% | -4.74% | 減碼 |
| 15 | BL 1 06-01-29債券 | Blackline Inc | +0.1% | -3.83% | 減碼 |
| 16 | ORA 2.5 07-15-27債券 | Ormat Technologies Inc | +0.1% | -4.39% | 減碼 |
| 17 | MKSI 1.25 06-01-30債券 | Mks Inc | +0.1% | — | 不變 |
| 18 | IMCR 2.5 02-01-30債券 | Immunocore Holdings | +0.1% | +15.28% | 加碼 |
| 19 | TYL 0.25 03-15-26債券 | Tyler Technologies Inc | 0% | +16.67% | 加碼 |
| 20 | AKAM 1.125 02-15-29債券 | Akamai Technologies Inc | 0% | -5.86% | 減碼 |
| 21 | DUK 4.125 04-15-26債券 | Duke Energy CORP | — | — | 不變 |
| 22 | JBTM 0.25 05-15-26債券 | Jbt Marel CORP | 0% | -5.95% | 減碼 |
| 23 | FLR 1.125 08-15-29債券 | Fluor CORP | 0% | -4.86% | 減碼 |
| 24 | CNP 4.25 08-15-26債券 | Centerpoint Energy Inc | 0% | -7.53% | 減碼 |
| 25 | CMS 3.375 05-01-28債券 | Cms Energy CORP | 0% | -9.06% | 減碼 |
| 26 | WEC 4.375 06-01-27債券 | Wec Energy Group Inc | -0.1% | -14.29% | 減碼 |
| 27 | PPL 2.875 03-15-28債券 | Ppl Capital Funding Inc | -0.1% | -5.78% | 減碼 |
| 28 | WGO 3.25 01-15-30債券 | Winnebago Industries | -0.1% | -11.37% | 減碼 |
| 29 | LNT 3.875 03-15-26債券 | Alliant Energy CORP | -0.1% | -8.97% | 減碼 |
| 30 | PCG 4.25 12-01-27債券 | Pg&e CORP | -0.2% | -9.10% | 減碼 |
| 31 | VSH 2.25 09-15-30債券 | Vishay Intertechnology | -0.2% | -8.74% | 減碼 |
| 32 | CSGS 3.875 09-15-28債券 | Csg Systems Internationa | -0.3% | -51.85% | 減碼 |
| 33 | LIVN 2.5 03-15-29債券 | Livanova PLC | -0.3% | -17.11% | 減碼 |
| 34 | PSN 2.625 03-01-29債券 | Parsons CORP | -0.3% | -4.49% | 減碼 |
| 35 | MTH 1.75 05-15-28債券 | Meritage Homes CORP | -0.4% | -9.81% | 減碼 |
| 36 | ON 0.5 03-01-29債券 | On Semiconductor CORP | -0.4% | -16.93% | 減碼 |
| 37 | F 0 03-15-26債券 | Ford Motor Company | -0.4% | -14.63% | 減碼 |
| 38 | LYFT 0.625 03-01-29債券 | Lyft Inc | -0.7% | -19.24% | 減碼 |
| 39 | SPOT 0 03-15-26債券 | Spotify USA Inc | -0.7% | -11.14% | 減碼 |
| 40 | SPB 3.375 06-01-29債券 | Spectrum Brands Inc | -1.1% | -57.21% | 減碼 |
| 41 | AMPH 2 03-15-29債券 | Amphastar Pharmaceutical | -1.1% | -32.78% | 減碼 |
| 42 | CSWC 5.125 11-15-29債券 | Capital Southwest CORP | -1.4% | -75.76% | 減碼 |
| 43 | BMRN 1.25 05-15-27債券 | Biomarin Pharmaceutical | -2.2% | -84.95% | 減碼 |
| 44 | SYNA 0.75 12-01-31債券 | Synaptics Inc | — | NEW | 新建倉 |
| 45 | UBER 0 12-15-25債券 | Uber Technologies Inc | — | EXIT | 清倉 |
| 46 | HALO 0.25 03-01-27債券 | Halozyme Therapeutics In | — | EXIT | 清倉 |
| 47 | ITRI 0 03-15-26債券 | Itron Inc | — | EXIT | 清倉 |
| 48 | OMCL 1 12-01-29債券 | Omnicell Inc | — | NEW | 新建倉 |
| 49 | DKNG 0 03-15-28債券 | Draftkings Holdings Inc | — | EXIT | 清倉 |
| 50 | LNTH 2.625 12-15-27債券 | Lantheus Holdings Inc | — | NEW | 新建倉 |
根據 SEC 官方 Form 13F 申報備案，Wellesley Asset Management 在 Q4 2025 季度的美股持倉總市值約為 US$11.0億，共申報了 54 個公開持股部位。
在 Q4 2025 季度，Wellesley Asset Management 按市值排列的前三大核心持股分別為：BOX 1.5 09-15-29 (4.5%)、HAE 2.5 06-01-29 (4.4%)、SYNA 0.75 12-01-31 (4.3%)。其中最大持股部位 BOX 1.5 09-15-29 佔據整體投資組合約 4.5% 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
SYNA 0.75 12-01-31
市值: US$4171.2萬
本季最大獲利了結 / 清倉標的
UBER 0 12-15-25
前期市值: US$3961.0萬
在 Q4 2025 季度中，Wellesley Asset Management 共進行了 65 項持倉異動，包含新建倉 11 個部位、加碼 15 個部位、減碼 26 個部位以及清倉 13 個部位。 其中最大新建倉標的為 SYNA 0.75 12-01-31。 本季清倉部位包含 UBER 0 12-15-25。
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。