网络侦测系统公司 NTCT
$31.51 −$0.32 (-1.01%)
休市 · Nov 6, 8:20 pm ET · 最新盘后价 $31.51 0.00%
开盘$33.14
昨收$31.83
当日区间$31.34 – $33.36
成交量781.5K
市值$2.24B
市盈率（TTM）17.9
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95.9%-0.30 个百分点，较上季度
持仓机构数392+5 ，较上季度
内部人近期交易31次买入 / 19次卖出净买入
空头持仓比例4.86% 占流通股回补天数 6.9 · 截至 15 Oct 2026
卖空成交量占比26.4%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：+$397.5K（8个净流入日，12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39.5%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从4.56%升至4.86%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Deka Investment GmbH | Mutual Fund | 2026/Q3 | +95,392 | 0.1% |
| Inspire Investing, LLC | Mutual Fund | 2026/Q3 | +63,339 | 0.1% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +61,341 | 0.5% |
| Acadian Asset Management LLC | Mutual Fund | 2026/Q3 | +561,845 | 1.1% |
| Columbia Management Investment Advisers, LLC | Mutual Fund | 2026/Q3 | +456,437 | 1.4% |
| LSV Asset Management | Mutual Fund | 2026/Q3 | +416,198 | 4.3% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +363,611 | 0.6% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +318,929 | 3.0% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +301,856 | 4.9% |
| Clark Capital Management Group Inc | Mutual Fund | 2026/Q3 | +267,486 | 0.4% |
| FMR | Mutual Fund | 2026/Q3 | +266,671 | 0.8% |
| Qube Research & Technologies Ltd | Mutual Fund | 2026/Q3 | +238,601 | 0.7% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +218,298 | 2.7% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +193,007 | 0.4% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +181,380 | 1.7% |
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 |
|---|---|---|---|---|---|---|
| 25 Oct 2026 | Anil Singhal | Chairperson & CEO | Derivative Exercise and Sale | -6,485 | $39.67 | 2,865,226 |
| 25 Oct 2026 | Anil Singhal | Chairperson & CEO | Derivative Exercise and Retained | +7,015 | – | 2,865,226 |
| 25 Oct 2026 | John Downing | Executive Vice President of Worldwide Sales Operations | Derivative Exercise and Sale | -3,218 | $39.67 | 131,341 |
| 25 Oct 2026 | John Downing | Executive Vice President of Worldwide Sales Operations | Derivative Exercise and Retained | +3,532 | – | 131,341 |
| 10 Sep 2026 | Christopher Perretta | Independent Director | Automatic Disposition | -7,000 | $38.00 | 40,866 |
| 9 Sep 2026 | John Egan | Lead Independent Director | Derivative Exercise and Retained | +7,000 | – | 112,740 |
| 9 Sep 2026 | Joseph Hadzima | Independent Director | Derivative Exercise and Retained | +7,000 | – | 125,185 |
| 9 Sep 2026 | Vivian Vitale | Independent Director | Derivative Exercise and Retained | +7,000 | – | 52,970 |
| 9 Sep 2026 | Robert Donahue | Independent Director | Derivative Exercise and Retained | +7,000 | – | 73,977 |
| 9 Sep 2026 | Christopher Perretta | Independent Director | Derivative Exercise and Retained | +7,000 | – | 47,866 |
| 9 Sep 2026 | Alfred Grasso | Independent Director | Derivative Exercise and Retained | +7,000 | – | 42,000 |
| 9 Sep 2026 | Marlene Pelage | Independent Director | Derivative Exercise and Retained | +7,000 | – | 25,085 |
| 9 Sep 2026 | Shannon K. Nash | Independent Director | Derivative Exercise and Retained | +7,000 | – | 25,085 |
| 8 Sep 2026 | John Egan | Lead Independent Director | Other Derivative Acquisition | +7,000 | – | 14,000 |
| 8 Sep 2026 | Joseph Hadzima | Independent Director | Other Derivative Acquisition | +7,000 | – | 14,000 |
| 8 Sep 2026 | Vivian Vitale | Independent Director | Other Derivative Acquisition | +7,000 | – | 14,000 |
| 8 Sep 2026 | Robert Donahue | Independent Director | Other Derivative Acquisition | +7,000 | – | 14,000 |
| 8 Sep 2026 | Christopher Perretta | Independent Director | Other Derivative Acquisition | +7,000 | – | 14,000 |
| 8 Sep 2026 | Alfred Grasso | Independent Director | Other Derivative Acquisition | +7,000 | – | 14,000 |
| 8 Sep 2026 | Marlene Pelage | Independent Director | Other Derivative Acquisition | +7,000 | – | 14,000 |
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 | 3,534,635 | 4.9% | 6.9 |
| 30 Sep 2026 | 3,346,186 | 4.6% | 4.8 |
| 15 Sep 2026 | 3,693,254 | 5.1% | 5.8 |
| 31 Aug 2026 | 3,805,301 | 5.2% | 7.0 |
| 14 Aug 2026 | 2,971,976 | 4.1% | 4.6 |
| 31 Jul 2026 | 3,314,300 | 4.6% | 6.6 |
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