13F 申报指南13F 概念全攻略
什么是 SEC Form 13F 申报？美股机构大户持股全攻略
完整解读 Form 13F 申报规范、1 亿美元门槛与 45 天延迟申报机制，学会如何追踪顶级对冲基金与机构法人持仓动向。
AlphaSMO 权威研究指南阅读专题
CIK: 0001633625
申报总市值
US$1.7亿
US$1.7亿
71 檔
90.5%
在 Q4 2025 的 13F 官方备案中，Iat Reinsurance Co LTD. 管理的美股投资组合规模来到 US$1.7亿，整体持股档数为 71 档。
在 Q4 2025，Iat Reinsurance Co LTD. 展现出较为审慎的避险与获利了结姿态。本季共减仓 5 个仓位并完全清仓 17 档持股，调降曝光的仓位数量高于加仓动作。
在资产配置集中度方面，Iat Reinsurance Co LTD. 的前 5 大核心持股（包含 MERC, GLW, AMGN 等）合计占整体申报市值的 90.5%，反映机构在主要关键仓位上的权重分布。
| # | 代码 | 标的名称 | 资产子类别 | 占比 | 占比变动 | 持仓量变化 | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MERC | Mercer International Inc | 股票-其他 | 9.98% | -7.65% | +3.11% | |
| 2 | GLW | Corning Inc | 股票-科技 | 9.45% | -1.20% | — | |
| 3 | AMGN | Amgen Inc | 股票-医疗保健 | 8.87% | -5.07% | — | |
| 4 | ✓ | 股票-其他 | 8.55% | -7.51% | — | ||
| 5 | ✓ | Nam Tai Ppty Inc Shs | 股票-其他 | 7.27% | -8.52% | — | |
| 6 | ✓ | Nam Tai G63907-10-2 Private | 股票-其他 | 6.72% | +6.29% | — | |
| 7 | GS | Goldman Sachs Group Inc | 股票-金融 | 5.42% | — | -72.01% | |
| 8 | HLIO | Helios Technologies Inc | 股票-其他 | 4.70% | +1.77% | — | |
| 9 | ✓ | Argonaut Group Statutory Tr - Call | 股票-其他 | 3.51% | -2.68% | — | |
| 10 | MTN | Vail Resorts Inc | 股票-周期性消费 | 3.27% | +0.61% | — | |
| 11 | XOM | Exxon Mobil CORP | 股票-能源 | 2.81% | -3.98% | — | |
| 12 | TOMARI V0 05-15-37债券 | Delphi Financial Group | 债券 | 2.36% | -0.08% | — | |
| 13 | AMD | Advanced Micro Devices | 股票-科技 | 2.13% | +9.61% | — | |
| 14 | TVA V0 05-01-29 A债券 | Tenn Valley Authority | 债券 | 1.87% | -0.05% | -50.00% | |
| 15 | WTFC V7.875 PERP F债券 | Wintrust Financial CORP | 债券 | 1.68% | -1.37% | +10.00% | |
| 16 | AQNCN V4.01 07-01-79 19-A债券 | Algonquin Pwr & Utility | 债券 | 1.50% | -1.36% | — | |
| 17 | GE | General Electric | 股票-工业 | 1.36% | -0.41% | — | |
| 18 | KKR 6.875 06-01-65 T债券 | Kkr & Co Inc | 债券 | 1.36% | -1.04% | — | |
| 19 | WSBC V7.375 PERP B债券 | Wesbanco Inc | 债券 | 0.98% | -0.75% | — | |
| 20 | TVA V2.134 06-01-28 D债券 | Tenn Valley Authority | 债券 | 0.84% | +0.77% | — | |
| 21 | TEL | TE Connectivity plc | 股票-科技 | 0.83% | +0.67% | — | |
| 22 | ECC 5.375 01-31-29债券 | Eagle Point Credit Co | 债券 | 0.83% | -0.34% | — | |
| 23 | FG 7.3 01-15-65债券 | F&g Annuities & Life Inc | 债券 | 0.77% | -0.29% | — | |
| 24 | OXLC 7.95 02-29-32 2032债券 | Oxford Lane Capital CORP | 债券 | 0.74% | +0.70% | — | |
| 25 | GEV | GE Vernova Inc | 股票-工业 | 0.72% | -0.30% | — | |
| 26 | ✓ | Partnerre LTD - Callable | 股票-其他 | 0.60% | -0.47% | — | |
| 27 | OXLC 8.75 06-30-30债券 | Oxford Lane Capital CORP | 债券 | 0.60% | +0.57% | — | |
| 28 | ✓ | 股票-其他 | 0.59% | -0.04% | — | ||
| 29 | METC 8.25 07-31-30债券 | Ramaco Resources Inc | 债券 | 0.59% | -0.04% | — | |
| 30 | XEL 6.25 10-15-85债券 | Xcel Energy Inc | 债券 | 0.59% | -0.47% | — | |
| 31 | ✓ | 股票-其他 | 0.58% | -0.04% | — | ||
| 32 | TRPCN 6.25 11-01-85债券 | Transcanada Pipelines | 债券 | 0.57% | -0.06% | — | |
| 33 | AMG 6.75 03-30-64债券 | Affiliated Managers Grou | 债券 | 0.57% | +0.51% | — | |
| 34 | CRBG 6.375 12-15-64债券 | Corebridge Financial Inc | 债券 | 0.54% | -0.04% | — | |
| 35 | NEWT V8.5 PERP B债券 | Newtekone Inc | 债券 | 0.54% | -0.02% | — | |
| 36 | RILY 5.25 08-31-28债券 | Brc Group Holdings Inc | 债券 | 0.50% | -0.32% | — | |
| 37 | JNJ | Johnson & Johnson | 股票-医疗保健 | 0.42% | +0.55% | -50.00% | |
| 38 | AXS 5.5 PERP E债券 | Axis Capital Hldgs LTD | 债券 | 0.41% | +0.01% | — | |
| 39 | PHIG | Phi Group Inc/de | 股票-其他 | 0.37% | -0.06% | — | |
| 40 | USB 4.5 PERP O债券 | US Bancorp | 债券 | 0.32% | -0.03% | — | |
| 41 | OZK 4.625 PERP A债券 | Bank Ozk | 债券 | 0.29% | -0.12% | — | |
| 42 | AFG 5.125 12-15-59债券 | American Financial Group | 债券 | 0.28% | -0.08% | +66.67% | |
| 43 | CUBI 5.375 12-30-34债券 | Customers Bancorp Inc | 债券 | 0.26% | +0.23% | — | |
| 44 | HPP 4.75 PERP C债券 | Hudson Pacific Propertie | 债券 | 0.25% | +0.11% | — | |
| 45 | GL 4.25 06-15-61债券 | Globe Life Inc | 债券 | 0.25% | -0.07% | — | |
| 46 | PG | Procter & Gamble Co/the | 股票-非周期性消费 | 0.24% | +0.23% | — | |
| 47 | SPB | Spectrum Brands Holdings Inc | 股票-其他 | 0.22% | +0.09% | — | |
| 48 | BRK-A | Berkshire Hathaway Inc-cl A | 股票-其他 | 0.22% | +0.22% | — | |
| 49 | ACGL 4.55 PERP G债券 | Arch Capital Group LTD | 债券 | 0.19% | +0.18% | — | |
| 50 | CMA 6.875 PERP B债券 | Comerica Inc | 债券 | 0.15% | — | -75.00% |
| # | 代码 | 标的名称 | 占比变动 | 持仓量变化 | 异动类型 |
|---|---|---|---|---|---|
| 1 | ✓ | +4.2% | — | 不变 | |
| 2 | AMGN | Amgen Inc | +3.4% | — | 不变 |
| 3 | GLW | Corning Inc | +3.1% | — | 不变 |
| 4 | ✓ | Nam Tai Ppty Inc Shs | +2.1% | — | 不变 |
| 5 | ✓ | Nam Tai G63907-10-2 Private | +1.9% | — | 不变 |
| 6 | HLIO | Helios Technologies Inc | +1.4% | — | 不变 |
| 7 | ✓ | Argonaut Group Statutory Tr - Call | +1% | — | 不变 |
| 8 | AMD | Advanced Micro Devices | +1% | — | 不变 |
| 9 | XOM | Exxon Mobil CORP | +0.9% | — | 不变 |
| 10 | TOMARI V0 05-15-37债券 | Delphi Financial Group | +0.7% | — | 不变 |
| 11 | MTN | Vail Resorts Inc | +0.6% | — | 不变 |
| 12 | WTFC V7.875 PERP F债券 | Wintrust Financial CORP | +0.5% | +10.00% | 加仓 |
| 13 | AQNCN V4.01 07-01-79 19-A债券 | Algonquin Pwr & Utility | +0.4% | — | 不变 |
| 14 | GE | General Electric | +0.4% | — | 不变 |
| 15 | KKR 6.875 06-01-65 T债券 | Kkr & Co Inc | +0.4% | — | 不变 |
| 16 | WSBC V7.375 PERP B债券 | Wesbanco Inc | +0.3% | — | 不变 |
| 17 | TEL | TE Connectivity plc | +0.3% | — | 不变 |
| 18 | ECC 5.375 01-31-29债券 | Eagle Point Credit Co | +0.2% | — | 不变 |
| 19 | TVA V2.134 06-01-28 D债券 | Tenn Valley Authority | +0.2% | — | 不变 |
| 20 | GEV | GE Vernova Inc | +0.2% | — | 不变 |
| 21 | OXLC 7.95 02-29-32 2032债券 | Oxford Lane Capital CORP | +0.2% | — | 不变 |
| 22 | RILY 5.25 08-31-28债券 | Brc Group Holdings Inc | +0.2% | — | 不变 |
| 23 | ✓ | +0.2% | — | 不变 | |
| 24 | OXLC 8.75 06-30-30债券 | Oxford Lane Capital CORP | +0.2% | — | 不变 |
| 25 | FG 7.3 01-15-65债券 | F&g Annuities & Life Inc | +0.2% | — | 不变 |
| 26 | ✓ | Partnerre LTD - Callable | +0.2% | — | 不变 |
| 27 | METC 8.25 07-31-30债券 | Ramaco Resources Inc | +0.2% | — | 不变 |
| 28 | ✓ | +0.2% | — | 不变 | |
| 29 | AMG 6.75 03-30-64债券 | Affiliated Managers Grou | +0.2% | — | 不变 |
| 30 | AFG 5.125 12-15-59债券 | American Financial Group | +0.2% | +66.67% | 加仓 |
| 31 | CRBG 6.375 12-15-64债券 | Corebridge Financial Inc | +0.1% | — | 不变 |
| 32 | NEWT V8.5 PERP B债券 | Newtekone Inc | +0.1% | — | 不变 |
| 33 | PHIG | Phi Group Inc/de | +0.1% | — | 不变 |
| 34 | AXS 5.5 PERP E债券 | Axis Capital Hldgs LTD | +0.1% | — | 不变 |
| 35 | HPP 4.75 PERP C债券 | Hudson Pacific Propertie | +0.1% | — | 不变 |
| 36 | SPB | Spectrum Brands Holdings Inc | +0.1% | — | 不变 |
| 37 | CUBI 5.375 12-30-34债券 | Customers Bancorp Inc | +0.1% | — | 不变 |
| 38 | GL 4.25 06-15-61债券 | Globe Life Inc | +0.1% | — | 不变 |
| 39 | USB 4.5 PERP O债券 | US Bancorp | +0.1% | — | 不变 |
| 40 | OZK 4.625 PERP A债券 | Bank Ozk | +0.1% | — | 不变 |
| 41 | PG | Procter & Gamble Co/the | +0.1% | — | 不变 |
| 42 | BRK-A | Berkshire Hathaway Inc-cl A | +0.1% | — | 不变 |
| 43 | EIX 6.95 PERP N债券 | Sce Trust Viii | +0.1% | — | 不变 |
| 44 | BEPUCN 7.25 PERP债券 | Brookfield Brp Holdings | +0.1% | — | 不变 |
| 45 | GEHC | GE Healthcare Technology | 0% | — | 不变 |
| 46 | ATLC 6.125 11-30-26债券 | Atlanticus Holdings CORP | 0% | — | 不变 |
| 47 | AFG 4.5 09-15-60债券 | American Financial Group | 0% | — | 不变 |
| 48 | SLM V0 PERP B债券 | Slm CORP | 0% | — | 不变 |
| 49 | ABBV | Abbvie Inc | 0% | — | 不变 |
| 50 | RC 9 12-15-29债券 | Ready Capital CORP | 0% | — | 不变 |
根据 SEC 官方 Form 13F 申报备案，Iat Reinsurance Co LTD. 在 Q4 2025 季度的美股持仓总市值约为 US$1.7亿，共申报了 71 个公开持股仓位。
在 Q4 2025 季度，Iat Reinsurance Co LTD. 按市值排列的前三大核心持股分别为：MERC (10.0%)、GLW (9.4%)、AMGN (8.9%)。其中最大持股仓位 MERC 占据整体投资组合约 10.0% 的权重。
精选 AlphaSMO 大户持股与内部人交易深度分析，提升投资决策胜率
完整解读 Form 13F 申报规范、1 亿美元门槛与 45 天延迟申报机制，学会如何追踪顶级对冲基金与机构法人持仓动向。
本季最大新建仓标的
XEL 6.25 10-15-85
市值: US$200.2万
本季最大获利了结 / 清仓标的
RJF
前期市值: US$5145.6万
在 Q4 2025 季度中，Iat Reinsurance Co LTD. 共进行了 28 项持仓异动，包含新建仓 3 个仓位、加仓 3 个仓位、减仓 5 个仓位以及清仓 17 个仓位。 其中最大新建仓标的为 XEL 6.25 10-15-85。 本季清仓仓位包含 RJF。
本页面所有持股数据均直接同步自美国证券交易委员会（SEC）EDGAR 官方系统之 13F-HR / 13F-HR/A 季度申报文件。AlphaSMO 通过机器解析 CUSIP 与个股对照，提供 100% 精准对齐的历史时序数据集，并支持 Schema.org 结构化数据格式。
解析公司高管、董事与 10% 大股东之 Form 4 内部人交易申报，掌握高管自家股票买卖第一手信号。
深入剖析 5% 股权申报门槛、13D 与 13G 之差异，以及最新 SEC 申报时程规范，洞察机构法人的激进投资动向。