股票 › PWR
昆塔服务 PWR
美股市值排名 #277
$540.90 +$31.84 (+6.25%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $542.40 +0.28%
开盘$539.50
昨收$509.06
当日区间$533.00 – $554.81
成交量2.78M
市值$81.50B
市盈率（TTM）49.0
股息率0.08%
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91.2%-0.75 个百分点，较上季度
持仓机构数2,242-17 ，较上季度
内部人近期交易25次买入 / 25次卖出持平
空头持仓比例2.30% 占流通股回补天数 3.6 · 截至 15 Oct 2026
卖空成交量占比15.1%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：−$11.20M（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27.9%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2.06%升至2.30%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Sustainable Growth Advisers, LP | Mutual Fund | 2026/Q3 | +182,286 | 0.1% |
| AllianceBernstein | Mutual Fund | 2026/Q3 | +1,010,235 | 0.9% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +941,311 | 1.3% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +754,880 | 0.5% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +543,415 | 0.4% |
| Putnam LLC | Mutual Fund | 2026/Q3 | +416,580 | 0.3% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +311,363 | 0.2% |
| Employees Provident Fund | Government Pension Fund | 2026/Q3 | +308,908 | 0.5% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +296,893 | 4.4% |
| Munro Partners | Mutual Fund | 2026/Q3 | +186,275 | 0.2% |
| Corient Private Wealth LP | Mutual Fund | 2026/Q3 | +184,819 | 0.1% |
| Vontobel Asset Management, Inc. | Mutual Fund | 2026/Q3 | +176,751 | 0.2% |
| Morgan Stanley | Public Company | 2026/Q3 | +150,928 | 0.8% |
| Susquehanna International Group, LLP | Private Company | 2026/Q3 | +140,968 | 0.1% |
| Squarepoint OPS LLC | Hedge Fund | 2026/Q3 | +134,635 | 0.1% |
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 |
|---|---|---|---|---|---|---|
| 8 Sep 2026 | Ellen Rubin | Director | Other Derivative Acquisition | +203 | – | 203 |
| 31 May 2026 | Warner Baxter | Independent Director | Derivative Exercise and Retained | +559 | – | 1,181 |
| 31 May 2026 | Bernard Fried | Independent Director | Derivative Exercise and Retained | +559 | – | 22,520 |
| 31 May 2026 | Martha Wyrsch | Independent Director | Derivative Exercise and Retained | +559 | – | 5,617 |
| 31 May 2026 | Holli Ladhani | Independent Director | Derivative Exercise and Sale | -196 | $711.73 | 4,547 |
| 31 May 2026 | Holli Ladhani | Independent Director | Derivative Exercise and Retained | +363 | – | 4,547 |
| 31 May 2026 | Worthing Jackman | Independent Director | Derivative Exercise and Retained | +559 | – | 2,489 |
| 31 May 2026 | Doyle Beneby | Independent Chairperson | Derivative Exercise and Retained | +870 | – | 29,657 |
| 31 May 2026 | Robert Rowe | Independent Director | Derivative Exercise and Retained | +559 | – | 2,297 |
| 27 May 2026 | Bernard Fried | Independent Director | Derivative Exercise and Retained | +4,823 | – | 21,961 |
| 20 May 2026 | Warner Baxter | Independent Director | Other Derivative Acquisition | +249 | – | 808 |
| 20 May 2026 | Bernard Fried | Independent Director | Other Derivative Acquisition | +249 | – | 20,381 |
| 20 May 2026 | Martha Wyrsch | Independent Director | Other Derivative Acquisition | +249 | – | 808 |
| 20 May 2026 | Holli Ladhani | Independent Director | Other Derivative Acquisition | +249 | – | 808 |
| 20 May 2026 | Worthing Jackman | Independent Director | Other Derivative Acquisition | +249 | – | 11,297 |
| 20 May 2026 | Josephine Ann dePass Olsovsky | Independent Director | Other Derivative Acquisition | +249 | – | 808 |
| 20 May 2026 | Doyle Beneby | Independent Chairperson | Other Derivative Acquisition | +387 | – | 1,257 |
| 20 May 2026 | Robert Rowe | Independent Director | Other Derivative Acquisition | +249 | – | 1,779 |
| 20 May 2026 | Raul Valentin | Former Independent Director | Derivative Exercise and Retained | +559 | – | 2,022 |
| 20 May 2026 | Joseph Kim | Independent Director | Other Derivative Acquisition | +249 | – | 249 |
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 | 3,459,110 | 2.3% | 3.6 |
| 30 Sep 2026 | 3,197,336 | 2.1% | 3.8 |
| 15 Sep 2026 | 3,143,949 | 2.1% | 3.9 |
| 31 Aug 2026 | 3,125,973 | 2.1% | 2.5 |
| 14 Aug 2026 | 2,762,674 | 1.8% | 3.1 |
| 31 Jul 2026 | 3,102,301 | 2.1% | 2.4 |
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