西屋空气制动科技 WAB
$283.59 +$5.11 (+1.84%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $283.58 0.00%
开盘$279.97
昨收$278.48
当日区间$278.32 – $284.78
成交量1.06M
市值$47.59B
市盈率（TTM）35.2
股息率0.42%
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95.6%+0.72 个百分点，较上季度
持仓机构数1,460+30 ，较上季度
内部人近期交易22次买入 / 28次卖出净卖出
空头持仓比例2.23% 占流通股回补天数 4.4 · 截至 15 Oct 2026
卖空成交量占比18.3%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：−$16.20M（7个净流入日，13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35.5%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基本持稳于2.23%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Stacey Braun Associates, Inc. | Mutual Fund | 2026/Q3 | +76,108 | 0.0% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +125,850 | 0.3% |
| FMR | Mutual Fund | 2026/Q3 | +2,007,414 | 11.0% |
| Vontobel Asset Management, Inc. | Mutual Fund | 2026/Q3 | +1,033,124 | 0.7% |
| Columbia Management Investment Advisers, LLC | Mutual Fund | 2026/Q3 | +802,633 | 0.6% |
| Invesco Ltd. | Mutual Fund | 2026/Q3 | +661,986 | 1.1% |
| Junto Capital Management LP | Hedge Fund | 2026/Q3 | +526,732 | 0.3% |
| Amundi Asset Management | Mutual Fund | 2026/Q3 | +517,333 | 1.0% |
| Union Asset Management Holding AG | Mutual Fund | 2026/Q3 | +483,790 | 0.5% |
| SG Americas Securities, LLC | Private Company | 2026/Q3 | +243,461 | 0.3% |
| Impax Asset Management Group Plc | Mutual Fund | 2026/Q3 | +240,407 | 0.3% |
| Davidson Kempner Capital Management LP | Hedge Fund | 2026/Q3 | +200,000 | 0.1% |
| Resona Asset Management Co., Ltd. | Mutual Fund | 2026/Q3 | +181,296 | 0.1% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +164,806 | 4.7% |
| BlackRock | Mutual Fund | 2026/Q3 | +137,300 | 8.3% |
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 |
|---|---|---|---|---|---|---|
| 5 Oct 2026 | Rafael Santana | Chairperson & CEO | Open Market Disposition | -2,174 | $294.16 | 115,068 |
| 1 Sep 2026 | Rafael Santana | Chairperson & CEO | Open Market Disposition | -2,183 | $282.03 | 117,242 |
| 31 Aug 2026 | Rafael Santana | Chairperson & CEO | Intent to Sell (Form 144) | -6,531 | $279.80 | – |
| 20 Aug 2026 | Rogerio Mendonca | President of Freight Equipment | Open Market Disposition | -2,919 | $297.05 | 7,968 |
| 19 Aug 2026 | Michael Fetsko | President of Freight & Industrial Components | Open Market Disposition | -3,250 | $293.84 | 37,380 |
| 16 Aug 2026 | Greg Sbrocco | Officer | Open Market Disposition | -952 | $300.00 | 21,043 |
| 4 Aug 2026 | Rafael Santana | Chairperson & CEO | Open Market Disposition | -2,326 | $299.70 | 119,425 |
| 3 Aug 2026 | Rafael Santana | Chairperson & CEO | Intent to Sell (Form 144) | -2,326 | $299.07 | – |
| 23 Jul 2026 | David DeNinno | Executive VP, General Counsel & Secretary | Open Market Disposition | -3,000 | $301.31 | 55,128 |
| 23 Jul 2026 | Eric Gebhardt | Executive VP & Chief Technology Officer | Open Market Disposition | -7,100 | $300.49 | 19,153 |
| 23 Jul 2026 | Sameer Gaur | President of Freight Services | Open Market Disposition | -1,000 | $300.64 | 10,985 |
| 6 Jul 2026 | Rafael Santana | Chairperson & CEO | Open Market Disposition | -2,326 | $263.68 | 121,751 |
| 30 Jun 2026 | Nicole Theophilus | Executive Vice President | Other Acquisition | +2,192 | – | 23,599 |
| 11 Jun 2026 | Sameer Gaur | President of Freight Services | Open Market Disposition | -1,082 | $263.50 | 11,985 |
| 7 Jun 2026 | Rafael Santana | Chairperson & CEO | Open Market Disposition | -2,326 | $263.76 | 124,077 |
| 12 May 2026 | Linda Harty | Independent Director | Other Acquisition | +765 | – | 12,482 |
| 12 May 2026 | Byron Foster | Independent Director | Other Acquisition | +765 | – | 8,219 |
| 12 May 2026 | Lee Banks | Lead Independent Director | Other Acquisition | +765 | – | 13,598 |
| 12 May 2026 | Ann Klee | Independent Director | Other Acquisition | +765 | – | 12,574 |
| 12 May 2026 | Brian Hehir | Independent Director | Other Acquisition | +765 | – | 21,406 |
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 | 3,771,311 | 2.2% | 4.4 |
| 30 Sep 2026 | 3,538,216 | 2.1% | 4.1 |
| 15 Sep 2026 | 3,634,070 | 2.2% | 5.1 |
| 31 Aug 2026 | 3,326,896 | 2.0% | 4.0 |
| 14 Aug 2026 | 2,792,145 | 1.7% | 3.0 |
| 31 Jul 2026 | 3,836,310 | 2.3% | 3.0 |
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