纳普科安防科技 NSSC
$30.24 +$0.25 (+0.83%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $30.74 +1.67%
开盘$30.18
昨收$29.99
当日区间$29.92 – $30.78
成交量445.2K
市值$1.08B
市盈率（TTM）24.8
股息率2.02%
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104.3%+0.46 个百分点，较上季度
持仓机构数318+1 ，较上季度
内部人近期交易17次买入 / 33次卖出净卖出
空头持仓比例6.92% 占流通股回补天数 8.7 · 截至 15 Oct 2026
卖空成交量占比20.0%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：+$249.2K（10个净流入日，10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从8.49%降至6.92%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| DePrince, Race & Zollo, Inc. | Mutual Fund | 2026/Q3 | +71,197 | 1.3% |
| Copeland Capital Management, LLC | Mutual Fund | 2026/Q3 | +64,413 | 5.8% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +96,091 | 0.4% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +618,885 | 3.6% |
| Eaton Vance Management | Mutual Fund | 2026/Q3 | +509,852 | 1.7% |
| DePrince, Race & Zollo, Inc. | Mutual Fund | 2026/Q3 | +289,869 | 1.1% |
| Janus Henderson Group plc | Mutual Fund | 2026/Q3 | +257,245 | 4.7% |
| Fundsmith, LLP | Mutual Fund | 2026/Q3 | +223,378 | 1.7% |
| Healthcare of Ontario Pension Plan Trust Fund | Government Pension Fund | 2026/Q3 | +192,085 | 0.6% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +172,681 | 3.1% |
| Los Angeles Capital Management LLC | Mutual Fund | 2026/Q3 | +152,598 | 0.8% |
| Bessemer Investment Management LLC | Mutual Fund | 2026/Q3 | +137,585 | 1.2% |
| Hudson River Trading LLC | Private Company | 2026/Q3 | +136,344 | 0.6% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +119,195 | 0.5% |
| New York State Common Retirement Fund | Government Pension Fund | 2026/Q3 | +113,359 | 0.5% |
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 |
|---|---|---|---|---|---|---|
| 28 Sep 2026 | Richard Soloway | Founder, Executive Chairman & Secretary | Other Derivative Acquisition | +11,665 | $37.90 | 11,665 |
| 28 Sep 2026 | Kevin Buchel | Chief Executive Officer | Other Derivative Acquisition | +13,120 | $37.90 | 13,120 |
| 26 Aug 2026 | Richard Soloway | Founder, Executive Chairman & Secretary | Open Market Disposition | -475,000 | $35.93 | 621,958 |
| 26 Aug 2026 | Donna Soloway | Director | Open Market Disposition | -48,962 | $35.98 | – |
| 17 May 2026 | Donna Soloway | Director | Derivative Exercise and Retained | +41,100 | $26.94 | 48,962 |
| 16 Mar 2026 | Stephen Spinelli | Former Officer | Derivative Exercise and Sale | -3,212 | $43.59 | 11,688 |
| 16 Mar 2026 | Stephen Spinelli | Former Officer | Derivative Exercise and Retained | +10,760 | $10.02 | 11,688 |
| 2 Mar 2026 | Richard Soloway | Founder, Executive Chairman & Secretary | Open Market Disposition | -185,000 | $44.99 | 1,096,958 |
| 25 Feb 2026 | Michael Carrieri | Executive VP of Engineering & CTO | Derivative Exercise and Sale | -6,651 | $47.23 | 26,610 |
| 25 Feb 2026 | Michael Carrieri | Executive VP of Engineering & CTO | Derivative Exercise and Retained | +3,349 | $22.50 | 26,610 |
| 18 Feb 2026 | Kevin Buchel | Chief Executive Officer | Derivative Exercise and Sale | -33,560 | $44.98 | 79,179 |
| 18 Feb 2026 | Kevin Buchel | Chief Executive Officer | Derivative Exercise and Retained | +16,440 | $22.50 | 79,179 |
| 9 Feb 2026 | Richard Soloway | Founder, Executive Chairman & Secretary | Derivative Exercise and Sale | -82,052 | $42.63 | 1,281,958 |
| 9 Feb 2026 | Richard Soloway | Founder, Executive Chairman & Secretary | Derivative Exercise and Retained | +25,948 | $26.94 | 1,281,958 |
| 4 Feb 2026 | Richard Soloway | Founder, Executive Chairman & Secretary | Open Market Disposition | -150,000 | $42.74 | 1,256,010 |
| 16 Nov 2025 | Stephen Spinelli | Former Officer | Open Market Disposition | -19,000 | $40.25 | 928 |
| 9 Nov 2025 | Stephen Spinelli | Former Officer | Intent to Sell (Form 144) | -19,000 | $41.50 | – |
| 16 Sep 2025 | Michael Carrieri | Executive VP of Engineering & CTO | Derivative Exercise and Sale | -6,576 | $42.40 | 23,261 |
| 16 Sep 2025 | Michael Carrieri | Executive VP of Engineering & CTO | Derivative Exercise and Retained | +5,424 | $26.94 | 23,261 |
| 5 Jun 2025 | Stephen Spinelli | Former Officer | Open Market Disposition | -5,000 | $29.16 | 19,928 |
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 | 2,476,551 | 6.9% | 8.7 |
| 30 Sep 2026 | 2,351,553 | 6.6% | 6.6 |
| 15 Sep 2026 | 2,592,809 | 7.2% | 6.6 |
| 31 Aug 2026 | 2,661,925 | 7.4% | 4.1 |
| 14 Aug 2026 | 2,747,007 | 7.7% | 11.4 |
| 31 Jul 2026 | 3,032,819 | 8.5% | 11.7 |
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