NPK国际公司 NPKI
$8.64 +$0.02 (+0.23%)
休市 · Nov 6, 8:20 pm ET · 最新盘后价 $8.64 0.00%
开盘$8.83
昨收$8.62
当日区间$8.56 – $8.83
成交量1.02M
市值$725.10M
市盈率（TTM）17.3
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100.3%-1.44 个百分点，较上季度
持仓机构数304-3 ，较上季度
内部人近期交易18次买入 / 30次卖出净卖出
空头持仓比例2.80% 占流通股回补天数 3.4 · 截至 15 Oct 2026
卖空成交量占比16.8%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：+$219.5K（12个净流入日，8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29.6%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2.98%降至2.80%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Wasatch Advisors LP | Mutual Fund | 2026/Q3 | +194,893 | 3.5% |
| Emerald Advisers, LLC | Mutual Fund | 2026/Q3 | +2,647,965 | 3.1% |
| MFS Investment Management | Mutual Fund | 2026/Q3 | +1,452,984 | 1.7% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +891,036 | 1.2% |
| BlackRock | Mutual Fund | 2026/Q3 | +737,798 | 9.4% |
| Invesco Capital Management LLC | Mutual Fund | 2026/Q3 | +730,677 | 1.1% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +538,191 | 0.6% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +525,718 | 0.9% |
| First Eagle Investment Management, LLC | Mutual Fund | 2026/Q3 | +447,181 | 0.8% |
| Norges Bank Investment Management | Sovereign Wealth Fund | 2026/Q3 | +323,100 | 0.4% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +303,814 | 0.4% |
| Marshall Wace LLP | Hedge Fund | 2026/Q3 | +281,617 | 0.4% |
| Edgestream Partners, L.P. | Hedge Fund | 2026/Q3 | +258,097 | 0.3% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +241,683 | 4.9% |
| D. E. Shaw & Co., L.P. | Hedge Fund | 2026/Q3 | +230,564 | 0.4% |
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 |
|---|---|---|---|---|---|---|
| 21 Sep 2026 | James Barton | Executive Vice President of Commercial Growth & Operations | Other Acquisition | +12,850 | – | 12,850 |
| 8 Sep 2026 | Matthew Warren | Chief Accounting Officer | Automatic Disposition | -2,991 | $13.41 | 51,439 |
| 30 Aug 2026 | Matthew Warren | Chief Accounting Officer | Initial Statement of Beneficial | +0 | – | 21,066 |
| 26 Aug 2026 | Rose Robeson | Independent Chairperson | Automatic Disposition | -10,000 | $13.49 | 215,147 |
| 16 Aug 2026 | Michael Lewis | Independent Director | Automatic Disposition | -2,013 | $14.26 | 135,865 |
| 27 Jul 2026 | Kristen Pederson | Independent Director | Other Acquisition | +6,614 | – | 6,614 |
| 7 Jun 2026 | Lori Briggs | Former Executive Vice President of Business Operations | Automatic Disposition | -8,325 | $14.75 | 178,156 |
| 2 Jun 2026 | Matthew Lanigan | Chief Executive Officer | Automatic Disposition | -167,375 | $14.43 | 1,024,948 |
| 1 Jun 2026 | Lori Briggs | Former Executive Vice President of Business Operations | Derivative Exercise and Sale | -10,446 | $14.58 | 186,481 |
| 31 May 2026 | Gregg Piontek | Senior Vice President | Sale to Issuer | -36,089 | $14.31 | 808,709 |
| 31 May 2026 | Gregg Piontek | Senior Vice President | Derivative Exercise and Retained | +40,379 | – | 808,709 |
| 31 May 2026 | Matthew Lanigan | Chief Executive Officer | Sale to Issuer | -89,549 | $14.31 | 908,275 |
| 31 May 2026 | Matthew Lanigan | Chief Executive Officer | Derivative Exercise and Retained | +100,188 | – | 908,275 |
| 31 May 2026 | Lori Briggs | Former Executive Vice President of Business Operations | Sale to Issuer | -21,755 | $14.31 | 186,481 |
| 31 May 2026 | Lori Briggs | Former Executive Vice President of Business Operations | Derivative Exercise and Retained | +13,894 | – | 186,481 |
| 31 May 2026 | M. Fruge | VP, General Counsel, Chief Compliance Officer & Corporate Secretary | Sale to Issuer | -15,848 | $14.31 | 230,376 |
| 31 May 2026 | M. Fruge | VP, General Counsel, Chief Compliance Officer & Corporate Secretary | Derivative Exercise and Retained | +17,274 | – | 230,376 |
| 19 May 2026 | Rose Robeson | Independent Chairperson | Other Acquisition | +10,862 | – | 225,147 |
| 19 May 2026 | Michael Lewis | Independent Director | Other Acquisition | +8,558 | – | 137,878 |
| 19 May 2026 | John Minge | Independent Director | Other Acquisition | +8,558 | – | 253,942 |
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 | 2,380,792 | 2.8% | 3.4 |
| 30 Sep 2026 | 2,459,620 | 2.9% | 2.8 |
| 15 Sep 2026 | 2,776,208 | 3.3% | 3.9 |
| 31 Aug 2026 | 3,223,310 | 3.8% | 3.9 |
| 14 Aug 2026 | 3,097,902 | 3.6% | 4.3 |
| 31 Jul 2026 | 2,531,987 | 3.0% | 2.8 |
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