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: 0001633625
申報總市值
US$1.7億
US$1.7億
76 檔
148.6%
Iat Reinsurance Co LTD. 在 Q1 2025 季度的美股部位總計估值為 US$1.7億，分散於 76 個持倉標的之中，反映其市場參與廣度與投資規模。
Iat Reinsurance Co LTD. 於 Q1 2025 展現出進攻型調倉步調，本季推動了 76 檔股票的新建倉與 0 檔既有部位加碼，整體資金傾向擴大在美股市場的曝險佈局。
從部位權重觀察，前 5 大標的（包含 MERC, RJF, GS）累計市值佔比達 148.6%，是驅動 Iat Reinsurance Co LTD. 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 | MERC | Mercer International Inc | 股票-其他 | 21.16% | -7.65% | — | |
| 2 | RJF | Raymond James Financial Inc | 股票-金融 | 8.65% | — | — | |
| 3 | GS | Goldman Sachs Group Inc | 股票-金融 | 8.58% | — | — | |
| 4 | ✓ | Nam Tai Ppty Inc Shs | 股票-其他 | 6.91% | -8.52% | — | |
| 5 | ✓ | Nam Tai G63907-10-2 Private | 股票-其他 | 6.38% | +6.29% | — | |
| 6 | AMGN | Amgen Inc | 股票-醫療保健 | 6.02% | -5.07% | — | |
| 7 | ✓ | 股票-其他 | 5.78% | -7.51% | — | ||
| 8 | SIGI | Selective Insurance Group | 股票-金融 | 3.82% | — | — | |
| 9 | GLW | Corning Inc | 股票-科技 | 3.51% | -1.20% | — | |
| 10 | MTN | Vail Resorts Inc | 股票-循環性消費 | 2.81% | +0.61% | — | |
| 11 | ✓ | Argonaut Group Statutory Tr - Call | 股票-其他 | 2.51% | -2.68% | — | |
| 12 | HLIO | Helios Technologies Inc | 股票-其他 | 2.01% | +1.77% | — | |
| 13 | XOM | Exxon Mobil CORP | 股票-能源 | 1.98% | -3.98% | — | |
| 14 | UBER | Uber Technologies Inc | 股票-工業 | 1.92% | +3.66% | — | |
| 15 | EMR | Emerson Electric Co | 股票-工業 | 1.83% | — | — | |
| 16 | TOMARI V0 05-15-37債券 | Delphi Financial Group | 債券 | 1.66% | -0.08% | — | |
| 17 | TVA V0 05-01-29 A債券 | Tenn Valley Authority | 債券 | 1.28% | -0.05% | — | |
| 18 | ✓ | Ziegler Cos Inc THE | 股票-其他 | 0.85% | — | — | |
| 19 | AMD | Advanced Micro Devices | 股票-科技 | 0.73% | +9.61% | — | |
| 20 | WTFC V6.875 PERP E債券 | Wintrust Financial CORP | 債券 | 0.64% | — | — | |
| 21 | GE | General Electric | 股票-工業 | 0.63% | -0.41% | — | |
| 22 | FG 7.3 01-15-65債券 | F&g Annuities & Life Inc | 債券 | 0.62% | -0.29% | — | |
| 23 | TVA V2.134 06-01-28 D債券 | Tenn Valley Authority | 債券 | 0.60% | +0.77% | — | |
| 24 | ECC 5.375 01-31-29債券 | Eagle Point Credit Co | 債券 | 0.58% | -0.34% | — | |
| 25 | CVX | Chevron CORP | 股票-能源 | 0.56% | — | — | |
| 26 | OXLC 7.95 02-29-32 2032債券 | Oxford Lane Capital CORP | 債券 | 0.51% | +0.70% | — | |
| 27 | OXLC 8.75 06-30-30債券 | Oxford Lane Capital CORP | 債券 | 0.43% | +0.57% | — | |
| 28 | ✓ | 股票-其他 | 0.42% | -0.04% | — | ||
| 29 | ✓ | 股票-其他 | 0.42% | -0.04% | — | ||
| 30 | CRBG 6.375 12-15-64債券 | Corebridge Financial Inc | 債券 | 0.41% | -0.04% | — | |
| 31 | MCD | Mcdonald's CORP | 股票-循環性消費 | 0.41% | — | — | |
| 32 | AMG 6.75 03-30-64債券 | Affiliated Managers Grou | 債券 | 0.40% | +0.51% | — | |
| 33 | JNJ | Johnson & Johnson | 股票-醫療保健 | 0.40% | +0.55% | — | |
| 34 | TEL | TE Connectivity plc | 股票-科技 | 0.37% | +0.67% | — | |
| 35 | AXS 5.5 PERP E債券 | Axis Capital Hldgs LTD | 債券 | 0.30% | +0.01% | — | |
| 36 | RILY 5.25 08-31-28債券 | Brc Group Holdings Inc | 債券 | 0.25% | -0.32% | — | |
| 37 | GEV | GE Vernova Inc | 股票-工業 | 0.24% | -0.30% | — | |
| 38 | USB 4.5 PERP O債券 | US Bancorp | 債券 | 0.24% | -0.03% | — | |
| 39 | ✓ | Partnerre LTD - Callable | 股票-其他 | 0.22% | -0.47% | — | |
| 40 | OZK 4.625 PERP A債券 | Bank Ozk | 債券 | 0.20% | -0.12% | — | |
| 41 | PG | Procter & Gamble Co/the | 股票-非循環性消費 | 0.20% | +0.23% | — | |
| 42 | PHIG | Phi Group Inc/de | 股票-其他 | 0.20% | -0.06% | — | |
| 43 | SPB | Spectrum Brands Holdings Inc | 股票-其他 | 0.19% | +0.09% | — | |
| 44 | XXCHNXX | China Fund Inc | 股票-其他 | 0.18% | — | — | |
| 45 | PSEC 5.35 PERP A債券 | Prospect Capital CORP | 債券 | 0.17% | +0.14% | — | |
| 46 | BRK-A | Berkshire Hathaway Inc-cl A | 股票-其他 | 0.17% | +0.22% | — | |
| 47 | CUBI 5.375 12-30-34債券 | Customers Bancorp Inc | 債券 | 0.16% | +0.23% | — | |
| 48 | ARGO V7 PERP債券 | Argo Group International | 債券 | 0.16% | — | — | |
| 49 | HPP 4.75 PERP C債券 | Hudson Pacific Propertie | 債券 | 0.15% | +0.11% | — | |
| 50 | UMBF V7 PERP債券 | Umb Financial CORP | 債券 | 0.12% | — | — |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | MERC | Mercer International Inc | — | NEW | 新建倉 |
| 2 | RJF | Raymond James Financial Inc | — | NEW | 新建倉 |
| 3 | GS | Goldman Sachs Group Inc | — | NEW | 新建倉 |
| 4 | ✓ | Nam Tai Ppty Inc Shs | — | NEW | 新建倉 |
| 5 | ✓ | Nam Tai G63907-10-2 Private | — | NEW | 新建倉 |
| 6 | AMGN | Amgen Inc | — | NEW | 新建倉 |
| 7 | ✓ | — | NEW | 新建倉 | |
| 8 | SIGI | Selective Insurance Group | — | NEW | 新建倉 |
| 9 | GLW | Corning Inc | — | NEW | 新建倉 |
| 10 | MTN | Vail Resorts Inc | — | NEW | 新建倉 |
| 11 | ✓ | Argonaut Group Statutory Tr - Call | — | NEW | 新建倉 |
| 12 | HLIO | Helios Technologies Inc | — | NEW | 新建倉 |
| 13 | XOM | Exxon Mobil CORP | — | NEW | 新建倉 |
| 14 | UBER | Uber Technologies Inc | — | NEW | 新建倉 |
| 15 | EMR | Emerson Electric Co | — | NEW | 新建倉 |
| 16 | TOMARI V0 05-15-37債券 | Delphi Financial Group | — | NEW | 新建倉 |
| 17 | TVA V0 05-01-29 A債券 | Tenn Valley Authority | — | NEW | 新建倉 |
| 18 | ✓ | Ziegler Cos Inc THE | — | NEW | 新建倉 |
| 19 | AMD | Advanced Micro Devices | — | NEW | 新建倉 |
| 20 | WTFC V6.875 PERP E債券 | Wintrust Financial CORP | — | NEW | 新建倉 |
| 21 | GE | General Electric | — | NEW | 新建倉 |
| 22 | FG 7.3 01-15-65債券 | F&g Annuities & Life Inc | — | NEW | 新建倉 |
| 23 | TVA V2.134 06-01-28 D債券 | Tenn Valley Authority | — | NEW | 新建倉 |
| 24 | ECC 5.375 01-31-29債券 | Eagle Point Credit Co | — | NEW | 新建倉 |
| 25 | CVX | Chevron CORP | — | NEW | 新建倉 |
| 26 | OXLC 7.95 02-29-32 2032債券 | Oxford Lane Capital CORP | — | NEW | 新建倉 |
| 27 | OXLC 8.75 06-30-30債券 | Oxford Lane Capital CORP | — | NEW | 新建倉 |
| 28 | ✓ | — | NEW | 新建倉 | |
| 29 | ✓ | — | NEW | 新建倉 | |
| 30 | CRBG 6.375 12-15-64債券 | Corebridge Financial Inc | — | NEW | 新建倉 |
| 31 | MCD | Mcdonald's CORP | — | NEW | 新建倉 |
| 32 | AMG 6.75 03-30-64債券 | Affiliated Managers Grou | — | NEW | 新建倉 |
| 33 | JNJ | Johnson & Johnson | — | NEW | 新建倉 |
| 34 | TEL | TE Connectivity plc | — | NEW | 新建倉 |
| 35 | AXS 5.5 PERP E債券 | Axis Capital Hldgs LTD | — | NEW | 新建倉 |
| 36 | RILY 5.25 08-31-28債券 | Brc Group Holdings Inc | — | NEW | 新建倉 |
| 37 | GEV | GE Vernova Inc | — | NEW | 新建倉 |
| 38 | USB 4.5 PERP O債券 | US Bancorp | — | NEW | 新建倉 |
| 39 | ✓ | Partnerre LTD - Callable | — | NEW | 新建倉 |
| 40 | OZK 4.625 PERP A債券 | Bank Ozk | — | NEW | 新建倉 |
| 41 | PG | Procter & Gamble Co/the | — | NEW | 新建倉 |
| 42 | PHIG | Phi Group Inc/de | — | NEW | 新建倉 |
| 43 | SPB | Spectrum Brands Holdings Inc | — | NEW | 新建倉 |
| 44 | XXCHNXX | China Fund Inc | — | NEW | 新建倉 |
| 45 | PSEC 5.35 PERP A債券 | Prospect Capital CORP | — | NEW | 新建倉 |
| 46 | BRK-A | Berkshire Hathaway Inc-cl A | — | NEW | 新建倉 |
| 47 | CUBI 5.375 12-30-34債券 | Customers Bancorp Inc | — | NEW | 新建倉 |
| 48 | ARGO V7 PERP債券 | Argo Group International | — | NEW | 新建倉 |
| 49 | HPP 4.75 PERP C債券 | Hudson Pacific Propertie | — | NEW | 新建倉 |
| 50 | UMBF V7 PERP債券 | Umb Financial CORP | — | NEW | 新建倉 |
根據 SEC 官方 Form 13F 申報備案，Iat Reinsurance Co LTD. 在 Q1 2025 季度的美股持倉總市值約為 US$1.7億，共申報了 76 個公開持股部位。
在 Q1 2025 季度，Iat Reinsurance Co LTD. 按市值排列的前三大核心持股分別為：MERC (21.2%)、RJF (8.7%)、GS (8.6%)。其中最大持股部位 MERC 佔據整體投資組合約 21.2% 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
MERC
市值: US$1.0億
在 Q1 2025 季度中，Iat Reinsurance Co LTD. 共進行了 76 項持倉異動，包含新建倉 76 個部位、加碼 0 個部位、減碼 0 個部位以及清倉 0 個部位。 其中最大新建倉標的為 MERC。
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。