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普莱默里斯服务 PRIM

美股市值排名 #2369工程与建筑
$65.40 +$5.84 (+9.81%)
休市 · Nov 6, 9:50 pm ET · 最新盘后价 $66.18 +1.19%
开盘$61.69
昨收$59.56
当日区间$60.78 – $66.38
成交量2.66M
市值$3.44B
市盈率（TTM）36.9
股息率0.49%

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103.7%-1.15 个百分点，较上季度
持仓机构数539-7 ，较上季度
内部人近期交易41次买入 / 9次卖出净买入
空头持仓比例8.93% 占流通股回补天数 3.3 · 截至 15 Oct 2026
卖空成交量占比13.1%近5日成交量平均占比

卖空成交量占当日成交量比例

6%13%19%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：+$5.21M（11个净流入日，9个净流出日）。

按单量净流入，近20个交易日

+$4.8M超大单+$397.6K大单+$9.7M中单+$4.7M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36.3%的流通股。

最大股东

  • BlackRock12.70%
  • Wellington Management Group8.69%
  • Vanguard Portfolio Management, LLC5.80%
  • Vanguard Capital Management, LLC5.01%
  • First Trust Advisors L.P.4.15%
  • State Street Global Advisors3.37%
  • Millennium Management LLC2.77%
  • Southpoint Capital Advisors LP2.60%

按投资者类型

  • Mutual Fund78.03%
  • Hedge Fund17.09%
  • Public Company3.40%
  • Government Pension Fund2.27%
  • Individual/Insider1.07%
  • Private Company1.04%
  • Sovereign Wealth Fund0.96%
  • Insurance Company0.40%

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8.28%升至8.93%。

近期机构持仓变动

股东类型期间持股变动新持股比例
Scout Investments, Inc. Mutual Fund 2026/Q3 +208,524 0.4%
Deka Investment GmbH Mutual Fund 2026/Q3 +201,086 0.4%
Wellington Management Group Mutual Fund 2026/Q3 +2,795,887 8.7%
Southpoint Capital Advisors LP Hedge Fund 2026/Q3 +1,400,000 2.6%
Millennium Management LLC Hedge Fund 2026/Q3 +1,091,936 2.8%
Point72 Asset Management, L.P. Hedge Fund 2026/Q3 +876,484 1.6%
Nordea Investment Management AB Mutual Fund 2026/Q3 +831,230 1.6%
Frontier Capital Management Mutual Fund 2026/Q3 +468,762 0.9%
Madison Avenue Partners, LP Hedge Fund 2026/Q3 +462,058 0.9%
Eaton Vance Management Mutual Fund 2026/Q3 +448,256 1.2%
Electron Capital Partners, LLC Hedge Fund 2026/Q3 +415,103 0.8%
William Blair Investment Management, LLC Mutual Fund 2026/Q3 +402,979 0.8%
Cooper Creek Partners Management LLC Hedge Fund 2026/Q3 +388,858 0.7%
Bank J. Safra Sarasin AG Mutual Fund 2026/Q3 +374,968 0.7%
Yaupon Capital Management LP Hedge Fund 2026/Q3 +366,972 0.7%

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
14 Oct 2026 Terry McCallister Lead Independent Director Private Acquisition +21 $79.98 31,522
31 Aug 2026 Travis Stricker Executive VP & Deputy Chief Financial Officer Other Derivative Acquisition +2,081 – 5,278
10 Aug 2026 Patricia Wagner Independent Director Other Disposition -2,241 – 7,956
30 Jul 2026 Terry McCallister Lead Independent Director Other Acquisition +356 – 31,500
30 Jul 2026 Carla Mashinski Independent Director Other Acquisition +356 – 22,448
30 Jul 2026 Patricia Wagner Independent Director Other Acquisition +356 – 7,956
30 Jul 2026 Michael Ching Independent Director Other Acquisition +356 – 10,754
30 Jul 2026 David King Independent Chairperson Other Acquisition +356 – 15,297
30 Jul 2026 Jose Rodriguez Independent Director Other Acquisition +356 – 18,041
30 Jul 2026 Harpreet Saluja Independent Director Other Acquisition +356 – 1,719
14 Jul 2026 Terry McCallister Lead Independent Director Private Acquisition +19 $86.66 31,144
27 May 2026 John Perisich Executive VP, Chief Legal & Administrative Officer and Secretary Open Market Disposition -29,707 $130.26 133,607
26 May 2026 Koti Vadlamudi CEO, President &Director Open Market Acquisition +7,815 $127.96 7,815
25 May 2026 David King Independent Chairperson Open Market Disposition -20,000 $120.27 14,941
29 Apr 2026 Terry McCallister Lead Independent Director Other Acquisition +268 – 31,125
29 Apr 2026 Carla Mashinski Independent Director Other Acquisition +268 – 22,092
29 Apr 2026 John Schauerman Former Independent Director Other Acquisition +268 – 79,984
29 Apr 2026 Patricia Wagner Independent Director Other Acquisition +268 – 7,600
29 Apr 2026 Michael Ching Independent Director Other Acquisition +268 – 10,398
29 Apr 2026 David King Independent Chairperson Other Acquisition +268 – 34,941

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 4,807,850 8.9% 3.3
30 Sep 2026 5,036,855 9.4% 3.7
15 Sep 2026 5,441,304 10.1% 4.3
31 Aug 2026 5,077,022 9.4% 5.2
14 Aug 2026 4,514,158 8.4% 3.4
31 Jul 2026 4,490,057 8.3% 3.1

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