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WR伯克利保险 WRB

美股市值排名 #724保险-财产与意外
$75.23 −$1.75 (-2.27%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $75.23 0.00%
开盘$75.36
昨收$76.98
当日区间$74.76 – $75.83
成交量1.85M
市值$27.95B
市盈率（TTM）15.9
股息率0.51%

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89.9%-1.43 个百分点，较上季度
持仓机构数1,123+13 ，较上季度
内部人近期交易39次买入 / 11次卖出净买入
空头持仓比例3.27% 占流通股回补天数 5.6 · 截至 15 Oct 2026
卖空成交量占比13.8%近5日成交量平均占比

卖空成交量占当日成交量比例

7%13%20%26%Sep '26Oct '26Nov '26

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：+$2.13M（11个净流入日，9个净流出日）。

按单量净流入，近20个交易日

−$1.9M超大单+$4.1M大单+$676.9K中单+$4.2M小单

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45.8%的流通股。

最大股东

  • WR Berkley & Others LLC17.25%
  • MS&AD Insurance Group Holdings, Inc.15.11%
  • Vanguard Capital Management, LLC5.23%
  • BlackRock4.43%
  • Vanguard Portfolio Management, LLC3.74%
  • State Street Global Advisors3.63%
  • Estate Of William R. Berkley2.51%
  • Geode Capital Management, LLC1.77%

按投资者类型

  • Mutual Fund44.33%
  • Private Company21.01%
  • Public Company18.67%
  • Hedge Fund3.29%
  • Government Pension Fund1.25%
  • Individual/Insider1.02%
  • Sovereign Wealth Fund0.86%
  • Family Office/Trust0.16%

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4.21%降至3.27%。

近期机构持仓变动

股东类型期间持股变动新持股比例
Nuveen Asset Management LLC Insurance Company 2026/Q3 +227,870 0.1%
Parnassus Investments Mutual Fund 2026/Q3 +182,085 0.2%
Nuveen Asset Management LLC Insurance Company 2026/Q3 +227,461 0.1%
William Berkley Individual/Insider 2026/Q3 +5,011,692 2.0%
Estate Of William R. Berkley Private Company 2026/Q3 +9,747,474 2.5%
Arrowstreet Capital, Limited Partnership Mutual Fund 2026/Q3 +1,785,433 0.7%
AQR Capital Management Hedge Fund 2026/Q3 +1,764,713 0.9%
Two Sigma Investments, LP Hedge Fund 2026/Q3 +1,740,369 0.5%
The Goldman Sachs Group, Inc. Public Company 2026/Q3 +1,319,984 0.7%
Bristol Gate Capital Partners Inc. Mutual Fund 2026/Q3 +918,030 0.2%
Squarepoint OPS LLC Hedge Fund 2026/Q3 +697,638 0.2%
Healthcare of Ontario Pension Plan Trust Fund Government Pension Fund 2026/Q3 +542,866 0.1%
Millennium Management LLC Hedge Fund 2026/Q3 +476,286 0.2%
Canada Pension Plan Investment Board Government Pension Fund 2026/Q3 +432,603 0.1%
BNP Paribas Financial Markets SNC Private Company 2026/Q3 +387,220 0.2%

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 Aug 2026 James Shiel Executive Vice President of Investments Sale to Issuer -650 $72.29 358,165
2 Aug 2026 James Shiel Executive Vice President of Investments Other Acquisition +14,086 – 358,165
2 Aug 2026 William Berkley Jr. Chairperson & CEO Sale to Issuer -4,139 $72.29 7,940,676
2 Aug 2026 William Berkley Jr. Chairperson & CEO Other Acquisition +98,593 – 7,940,676
2 Aug 2026 Richard Baio Chief Financial Officer Sale to Issuer -650 $72.29 24,692
2 Aug 2026 Richard Baio Chief Financial Officer Other Acquisition +14,086 – 24,692
2 Aug 2026 Philip Welt Executive VP & Secretary Sale to Issuer -592 $72.29 99,422
2 Aug 2026 Philip Welt Executive VP & Secretary Other Acquisition +14,086 – 99,422
2 Jun 2026 William Berkley Founder & Former Executive Chairman of the Board Other Acquisition +3,090 – 12,026,329
2 Jun 2026 Ronald Blaylock Independent Director Other Acquisition +3,090 – 147,943
2 Jun 2026 William Berkley Jr. Chairperson & CEO Other Acquisition +3,090 – 5,866,185
2 Jun 2026 Daniel Mosley Independent Director Other Acquisition +3,090 – 14,885
2 Jun 2026 Maria Luisa Rangel Independent Director Other Acquisition +3,090 – 59,234
2 Jun 2026 Mary Farrell Independent Director Other Acquisition +3,090 – 160,973
2 Jun 2026 Christopher Augostini Independent Director Other Acquisition +3,090 – 109,859
2 Jun 2026 Jonathan Talisman Independent Director Other Acquisition +3,090 – 34,035
2 Jun 2026 Marie Mattson Independent Director Other Acquisition +3,090 – 9,667
2 Jun 2026 Robert Rusbuldt Independent Director Other Acquisition +3,090 – 5,866
2 Mar 2026 MS&AD Insurance Group Holdings, Inc. Automatic Acquisition +258,176 $73.20 58,780,450
26 Feb 2026 MS&AD Insurance Group Holdings, Inc. Automatic Acquisition +300,000 $72.11 58,522,274

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 12,123,696 3.3% 5.6
30 Sep 2026 13,102,697 3.5% 2.8
15 Sep 2026 15,456,413 4.2% 5.7
31 Aug 2026 15,177,596 4.1% 9.9
14 Aug 2026 14,856,832 4.0% 8.7
31 Jul 2026 15,608,018 4.2% 7.3

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