Arch 资本 ACGL
$107.28 −$3.29 (-2.98%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $106.00 -1.19%
开盘$108.41
昨收$110.57
当日区间$106.61 – $108.71
成交量2.37M
市值$34.92B
市盈率（TTM）8.8
股息率–
股权结构与仓位
谁在持有、谁在做空，以及大资金的流向
机构持股比例97.1%+4.21 个百分点，较上季度
持仓机构数1,143+16 ，较上季度
内部人近期交易30次买入 / 16次卖出净买入
空头持仓比例2.57% 占流通股回补天数 3.7 · 截至 15 Oct 2026
卖空成交量占比20.2%近5日成交量平均占比
卖空成交量占当日成交量比例
大单净流入，近20个交易日
大单买入减卖出的净额（美元）。该窗口期内：−$2.08M（9个净流入日，11个净流出日）。
按单量净流入，近20个交易日
超大单/大单近似机构级别交易；中单/小单近似散户级别交易。各档买入减卖出净额，按窗口期累计。
已披露的前五大股东合计持有33.3%的流通股。
最大股东
按投资者类型
过去6次双周报告中（31 Jul 2026至15 Oct 2026），空头持仓占流通股比例已从2.36%升至2.57%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| KBC Asset Management NV | Mutual Fund | 2026/Q3 | +563,199 | 0.3% |
| AMF Fonder AB | Mutual Fund | 2026/Q3 | +308,866 | 0.1% |
| ARGA Investment Management, LLC | Mutual Fund | 2026/Q3 | +288,612 | 0.1% |
| Jerome Halgan | Individual/Insider | 2026/Q3 | +304,627 | 0.1% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +2,583,727 | 1.4% |
| Invesco Capital Management LLC | Mutual Fund | 2026/Q3 | +899,158 | 1.4% |
| High Ground Investment Management LLP | Hedge Fund | 2026/Q3 | +818,515 | 0.8% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +696,609 | 0.3% |
| Allspring Global Investments, LLC | Mutual Fund | 2026/Q3 | +508,208 | 1.3% |
| American Century Investment Management | Mutual Fund | 2026/Q3 | +425,472 | 0.4% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +382,707 | 0.3% |
| ClearBridge Investments, LLC | Mutual Fund | 2026/Q3 | +359,715 | 0.2% |
| Susquehanna Fundamental Investments, LLC | Mutual Fund | 2026/Q3 | +331,173 | 0.1% |
| La Caisse de dépôt et placement du Québec | Government Pension Fund | 2026/Q3 | +330,400 | 0.1% |
| BNP Paribas Financial Markets SNC | Private Company | 2026/Q3 | +326,272 | 0.3% |
按报告期列出的机构买卖动态，变动幅度从大到小排列。
内部人交易
| 日期 | 内部人 | 职位 | 交易类型 | 股数 | 价格 | 交易后持股 |
|---|---|---|---|---|---|---|
| 2 Sep 2026 | Jerome Halgan | Chief Executive Officer of Arch Global Reinsurance Group | Initial Statement of Beneficial | +0 | – | 135,703 |
| 2 Sep 2026 | Robert Schmeiser | Chief Executive Officer of Arch Global Mortgage Group | Initial Statement of Beneficial | +0 | – | 50,972 |
| 17 Aug 2026 | Francois Morin | Chief Financial Officer | Derivative Exercise and Sale | -11,010 | $99.32 | 299,055 |
| 19 Jul 2026 | David Gansberg | Former President | Intent to Sell (Form 144) | -76,325 | $100.00 | – |
| 1 Jul 2026 | David Gansberg | Former President | Intent to Sell (Form 144) | -79,273 | $101.49 | – |
| 25 Jun 2026 | David Gansberg | Former President | Intent to Sell (Form 144) | -33,096 | $97.23 | – |
| 10 Jun 2026 | Otter Capital LLC | Other Disposition | -1,006,700 | – | 214,993 | |
| 10 Jun 2026 | John Pasquesi | Independent Chairperson | Other Acquisition | +1,006,700 | – | 4,646,591 |
| 2 Jun 2026 | Brian Posner | Independent Director | Open Market Disposition | -3,000 | $19.66 | – |
| 10 May 2026 | Brian Posner | Independent Director | Open Market Disposition | -2,000 | $17.14 | – |
| 4 May 2026 | John Bunce | Independent Director | Other Acquisition | +3,398 | – | 1,563,067 |
| 4 May 2026 | Brian Posner | Independent Director | Other Acquisition | +2,071 | – | 122,175 |
| 4 May 2026 | John Pasquesi | Independent Chairperson | Other Acquisition | +5,256 | – | 3,639,891 |
| 4 May 2026 | Daniel Houston | Independent Director | Other Acquisition | +3,398 | – | 13,313 |
| 4 May 2026 | Alexander Moczarski | Independent Director | Other Acquisition | +2,071 | – | 4,037 |
| 4 May 2026 | Neal Triplett | Independent Director | Other Acquisition | +3,398 | – | 8,013 |
| 4 May 2026 | Laurie Goodman | Independent Director | Other Acquisition | +2,071 | – | 37,573 |
| 4 May 2026 | Eileen Mallesch | Independent Director | Other Acquisition | +2,071 | – | 13,802 |
| 4 May 2026 | Moira Kilcoyne | Former Independent Director | Other Acquisition | +3,398 | – | 35,842 |
| 4 May 2026 | Francis Ebong | Independent Director | Other Acquisition | +2,071 | – | 12,878 |
数据来自Form 4/Form 144申报文件。负数为减持（出售、赠予或代扣税款股份），正数为增持。
空头持仓（按报告期）
| 报告日期 | 空头股数 | 占流通股比例 | 回补天数 |
|---|---|---|---|
| 15 Oct 2026 | 8,781,600 | 2.6% | 3.7 |
| 30 Sep 2026 | 7,677,465 | 2.2% | 1.6 |
| 15 Sep 2026 | 7,258,342 | 2.1% | 1.9 |
| 31 Aug 2026 | 7,338,327 | 2.2% | 3.9 |
| 14 Aug 2026 | 7,292,778 | 2.1% | 4.9 |
| 31 Jul 2026 | 8,062,692 | 2.4% | 4.0 |
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