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: 0000919538
申報總市值
US$3.5億
US$3.5億
67 檔
25.3%
根據最新整理的 13F 季度數據集，Corbyn Investment Management Inc/md 於 Q3 2025 結束時的管理資產規模為 US$3.5億。該機構在本季度申報了 67 檔美股持倉，呈現出該時期的主要投資地圖。
Corbyn Investment Management Inc/md 在 Q3 2025 的調整主要集中於風險出清，清倉與減碼部位合計達 31 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 , RSG, ）占據了總市值的 25.3%，展現出該機構在 Q3 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 | ✓ | 股票-其他 | 6.25% | — | -12.40% | ||
| 2 | RSG | Republic Services Inc | 股票-工業 | 5.90% | -0.99% | -1.25% | |
| 3 | ✓ | 股票-其他 | 4.53% | — | -7.49% | ||
| 4 | BXMT 5.5 03-15-27債券 | Blackstone Mortgage Tr | 債券 | 4.51% | -0.60% | +0.20% | |
| 5 | FUBO 3.25 02-15-26債券 | Fubotv Inc | 債券 | 4.44% | — | -0.46% | |
| 6 | PEB 1.75 12-15-26債券 | Pebblebrook Hotel Trust | 債券 | 4.05% | -0.59% | -1.16% | |
| 7 | ✓ | 股票-其他 | 3.92% | — | -0.81% | ||
| 8 | PMT 5.5 03-15-26債券 | Pennymac CORP | 債券 | 3.67% | — | +20.63% | |
| 9 | MGPI 1.875 11-15-41債券 | Mgp Ingredients Inc | 債券 | 3.49% | -0.35% | — | |
| 10 | RDFN 0.5 04-01-27債券 | Redfin CORP | 債券 | 3.23% | -0.50% | +8.75% | |
| 11 | GOOG | Alphabet Inc-cl C | 股票-通訊服務 | 3.18% | +0.28% | -7.09% | |
| 12 | ✓ | 股票-其他 | 3.08% | — | — | ||
| 13 | ✓ | 股票-其他 | 3.05% | — | -1.34% | ||
| 14 | WRB | Wr Berkley CORP | 股票-金融 | 2.88% | -0.22% | -1.30% | |
| 15 | BAND 0.5 04-01-28債券 | Bandwidth Inc | 債券 | 2.86% | -0.27% | — | |
| 16 | PRMB | Primo Brands CORP | 股票-非循環性消費 | 2.35% | +0.30% | -1.08% | |
| 17 | ✓ | 股票-其他 | 1.94% | — | -1.36% | ||
| 18 | SNAP 0 05-01-27債券 | Snap Inc | 債券 | 1.85% | -0.29% | -1.65% | |
| 19 | ✓ | 股票-其他 | 1.80% | — | -1.35% | ||
| 20 | VAC 0 01-15-26債券 | Marriott Vacation Worldw | 債券 | 1.43% | — | — | |
| 21 | TMUS | T-mobile US Inc | 股票-通訊服務 | 1.39% | -0.45% | -1.59% | |
| 22 | ✓ | 股票-其他 | 1.35% | — | -0.95% | ||
| 23 | ✓ | Alight Inc Com Cl A | 股票-其他 | 1.35% | — | +55.58% | |
| 24 | AMZN | Amazon.com Inc | 股票-循環性消費 | 1.33% | -0.02% | -1.85% | |
| 25 | XIFR 0 11-15-25債券 | Xplr Infrastructure LP | 債券 | 1.31% | — | — | |
| 26 | ✓ | 股票-其他 | 1.28% | — | -2.44% | ||
| 27 | ✓ | 股票-其他 | 1.23% | — | -2.87% | ||
| 28 | ✓ | 股票-其他 | 1.23% | — | -18.75% | ||
| 29 | ✓ | 股票-其他 | 1.13% | — | -2.34% | ||
| 30 | CB | Chubb Limited | 股票-金融 | 1.09% | -0.13% | -2.97% | |
| 31 | MDT | Medtronic plc | 股票-醫療保健 | 1.06% | -0.23% | -1.21% | |
| 32 | EMR | Emerson Electric Co | 股票-工業 | 1.02% | -0.06% | -1.25% | |
| 33 | ✓ | 股票-其他 | 0.96% | — | -1.50% | ||
| 34 | ✓ | 股票-其他 | 0.94% | — | +12.08% | ||
| 35 | ✓ | 股票-其他 | 0.94% | — | -1.90% | ||
| 36 | ✓ | 股票-其他 | 0.92% | — | -42.34% | ||
| 37 | DOX | Amdocs Limited | 股票-科技 | 0.91% | -0.37% | -1.17% | |
| 38 | ✓ | 股票-其他 | 0.91% | — | -2.86% | ||
| 39 | ✓ | 股票-其他 | 0.85% | — | -5.15% | ||
| 40 | LCID 1.25 12-15-26債券 | Lucid Group Inc | 債券 | 0.82% | -0.04% | — | |
| 41 | SHBI | Shore Bancshares Inc | 股票-其他 | 0.75% | -0.12% | -1.45% | |
| 42 | NVT | nVent Electric plc | 股票-工業 | 0.66% | +0.22% | -0.17% | |
| 43 | ✓ | 股票-其他 | 0.63% | — | -4.26% | ||
| 44 | ✓ | 股票-其他 | 0.56% | — | -1.85% | ||
| 45 | MTX | Minerals Technologies Inc | 股票-其他 | 0.55% | -0.07% | — | |
| 46 | USFD | US Foods Holding CORP | 股票-非循環性消費 | 0.55% | +0.67% | — | |
| 47 | WSFS | Wsfs Financial CORP | 股票-其他 | 0.53% | +0.01% | — | |
| 48 | ✓ | 股票-其他 | 0.52% | — | +15.44% | ||
| 49 | PMT 8.5 06-01-29債券 | Pennymac CORP | 債券 | 0.45% | +0.05% | — | |
| 50 | SHW | Sherwin-williams Co/the | 股票-原物料 | 0.43% | -0.03% | -2.31% |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | PMT 5.5 03-15-26債券 | Pennymac CORP | +3.5% | +20.63% | 加碼 |
| 2 | FUBO 3.25 02-15-26債券 | Fubotv Inc | +1.8% | -0.46% | 加碼 |
| 3 | ✓ | +1.1% | -7.49% | 減碼 | |
| 4 | ✓ | +0.9% | -12.40% | 減碼 | |
| 5 | ✓ | +0.5% | -1.35% | 減碼 | |
| 6 | GOOG | Alphabet Inc-cl C | +0.3% | -7.09% | 減碼 |
| 7 | ✓ | +0.3% | -2.87% | 減碼 | |
| 8 | NVT | nVent Electric plc | +0.2% | -0.17% | 減碼 |
| 9 | ✓ | +0.2% | -1.34% | 減碼 | |
| 10 | ✓ | +0.1% | — | 加碼 | |
| 11 | ✓ | +0.1% | +78.43% | 加碼 | |
| 12 | ✓ | +0.1% | +15.44% | 加碼 | |
| 13 | BXMT 5.5 03-15-27債券 | Blackstone Mortgage Tr | 0% | +0.20% | 加碼 |
| 14 | ✓ | 0% | -4.26% | 減碼 | |
| 15 | SHBI | Shore Bancshares Inc | 0% | -1.45% | 減碼 |
| 16 | EMR | Emerson Electric Co | -0.1% | -1.25% | 減碼 |
| 17 | ✓ | -0.1% | -2.86% | 加碼 | |
| 18 | AMZN | Amazon.com Inc | -0.2% | -1.85% | 減碼 |
| 19 | UPS | United Parcel Service-cl B | -0.3% | -0.83% | 減碼 |
| 20 | ✓ | -0.3% | -1.85% | 減碼 | |
| 21 | DOX | Amdocs Limited | -0.4% | -1.17% | 減碼 |
| 22 | ✓ | -0.4% | -1.90% | 減碼 | |
| 23 | ✓ | -0.5% | -1.50% | 減碼 | |
| 24 | ✓ | -0.5% | -42.34% | 減碼 | |
| 25 | ✓ | -0.5% | -2.44% | 減碼 | |
| 26 | ✓ | Alight Inc Com Cl A | -0.5% | +55.58% | 加碼 |
| 27 | ✓ | -0.6% | +12.08% | 加碼 | |
| 28 | WRB | Wr Berkley CORP | -0.6% | -1.30% | 減碼 |
| 29 | CB | Chubb Limited | -0.7% | -2.97% | 減碼 |
| 30 | ✓ | -0.7% | -0.95% | 減碼 | |
| 31 | PEB 1.75 12-15-26債券 | Pebblebrook Hotel Trust | -0.8% | -1.16% | 加碼 |
| 32 | TMUS | T-mobile US Inc | -0.9% | -1.59% | 減碼 |
| 33 | ✓ | -1.4% | -0.81% | 減碼 | |
| 34 | PRMB | Primo Brands CORP | -2.5% | -1.08% | 減碼 |
| 35 | RSG | Republic Services Inc | -2.6% | -1.25% | 減碼 |
| 36 | DOCN 0 12-01-26債券 | Digitalocean Holdings | -5.3% | -90.59% | 減碼 |
| 37 | MGPI 1.875 11-15-41債券 | Mgp Ingredients Inc | — | NEW | 新建倉 |
| 38 | RDFN 0.5 04-01-27債券 | Redfin CORP | — | NEW | 新建倉 |
| 39 | ✓ | — | NEW | 新建倉 | |
| 40 | BAND 0.5 04-01-28債券 | Bandwidth Inc | — | NEW | 新建倉 |
| 41 | VAC 0 01-15-26債券 | Marriott Vacation Worldw | — | NEW | 新建倉 |
| 42 | XIFR 0 11-15-25債券 | Xplr Infrastructure LP | — | NEW | 新建倉 |
| 43 | ✓ | Dun & Bradstreet Holdings Inc. | — | EXIT | 清倉 |
| 44 | LCID 1.25 12-15-26債券 | Lucid Group Inc | — | NEW | 新建倉 |
| 45 | TFX | Teleflex Inc | — | EXIT | 清倉 |
| 46 | PMT 8.5 06-01-29債券 | Pennymac CORP | — | NEW | 新建倉 |
| 47 | ROP | Roper Technologies Inc | — | NEW | 新建倉 |
| 48 | DAR | Darling Ingredients Inc | — | EXIT | 清倉 |
| 49 | ✓ | — | EXIT | 清倉 | |
| 50 | JNJ | Johnson & Johnson | — | EXIT | 清倉 |
根據 SEC 官方 Form 13F 申報備案，Corbyn Investment Management Inc/md 在 Q3 2025 季度的美股持倉總市值約為 US$3.5億，共申報了 67 個公開持股部位。
在 Q3 2025 季度，Corbyn Investment Management Inc/md 按市值排列的前三大核心持股分別為： (6.3%)、RSG (5.9%)、 (4.5%)。其中最大持股部位 佔據整體投資組合約 6.3% 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
MGPI 1.875 11-15-41
市值: US$1190.3萬
本季最大獲利了結 / 清倉標的
DUN & BRADSTREET HOLDINGS INC.
前期市值: US$309.5萬
在 Q3 2025 季度中，Corbyn Investment Management Inc/md 共進行了 50 項持倉異動，包含新建倉 9 個部位、加碼 10 個部位、減碼 26 個部位以及清倉 5 個部位。 其中最大新建倉標的為 MGPI 1.875 11-15-41。 本季清倉部位包含 DUN & BRADSTREET HOLDINGS INC.。
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。