红紫罗兰 RDVT
$70.10 −$2.02 (-2.80%)
休市 · Nov 7, 9:10 am ET · 最新盘后价 $70.50 +0.57%
开盘$71.35
昨收$72.12
当日区间$68.95 – $72.77
成交量190.5K
市值$1.13B
市盈率（TTM）58.9
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65.5%-11.33 个百分点，较上季度
持仓机构数216+4 ，较上季度
内部人近期交易19次买入 / 31次卖出净卖出
空头持仓比例3.82% 占流通股回补天数 4.2 · 截至 15 Oct 2026
卖空成交量占比14.3%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：−$484.6K（9个净流入日，11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25.8%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4.24%降至3.82%。
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 | +235,446 | 7.0% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +94,552 | 0.6% |
| Riverbridge Partners, LLC | Mutual Fund | 2026/Q3 | +18,085 | 0.2% |
| Norges Bank Investment Management | Sovereign Wealth Fund | 2026/Q3 | +122,000 | 0.8% |
| RBC Global Asset Management Inc. | Mutual Fund | 2026/Q3 | +95,711 | 1.7% |
| Portolan Capital Management, LLC | Hedge Fund | 2026/Q3 | +84,135 | 0.5% |
| Russell Investment Management, LLC | Mutual Fund | 2026/Q3 | +71,173 | 1.3% |
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +68,325 | 0.9% |
| Herald Investment Management Ltd. | Mutual Fund | 2026/Q3 | +64,042 | 1.6% |
| Lord, Abbett & Co. LLC | Mutual Fund | 2026/Q3 | +61,396 | 0.7% |
| BlackRock | Mutual Fund | 2026/Q3 | +40,373 | 5.9% |
| Hudson River Trading LLC | Private Company | 2026/Q3 | +33,675 | 0.4% |
| Calamos Investments LLC | Mutual Fund | 2026/Q3 | +32,142 | 0.2% |
| Riverwater Partners LLC | Mutual Fund | 2026/Q3 | +31,467 | 0.2% |
| Hillsdale Investment Management Inc. | Mutual Fund | 2026/Q3 | +29,300 | 0.6% |
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 |
|---|---|---|---|---|---|---|
| 26 Aug 2026 | William Livek | Independent Director | Open Market Acquisition | +2,000 | $71.49 | 7,000 |
| 3 Jun 2026 | Gregory Strakosch | Independent Director | Other Acquisition | +2,088 | – | 7,328 |
| 3 Jun 2026 | Steven Rubin | Independent Director | Other Acquisition | +2,179 | – | 74,762 |
| 3 Jun 2026 | William Livek | Independent Director | Other Acquisition | +2,088 | – | 15,733 |
| 3 Jun 2026 | Lisa Stanton | Independent Director | Other Acquisition | +2,179 | – | 14,753 |
| 31 May 2026 | Daniel McLachlan | Open Market Disposition | -12,000 | $57.62 | 306,515 | |
| 31 May 2026 | Derek Dubner | Chairperson & CEO | Open Market Disposition | -12,000 | $57.62 | 504,420 |
| 31 May 2026 | James Reilly | President | Open Market Disposition | -12,000 | $57.62 | 179,498 |
| 31 May 2026 | Jeffrey Dell | Chief Information Officer | Open Market Disposition | -10,000 | $57.62 | 116,249 |
| 1 Mar 2026 | Gregory Strakosch | Independent Director | Other Acquisition | +1,857 | – | 5,240 |
| 18 Dec 2025 | Gregory Strakosch | Independent Director | Other Acquisition | +2,130 | – | 4,010 |
| 18 Dec 2025 | Steven Rubin | Independent Director | Other Acquisition | +4,450 | – | 72,583 |
| 18 Dec 2025 | William Livek | Independent Director | Other Acquisition | +3,755 | – | 9,129 |
| 18 Dec 2025 | Lisa Stanton | Independent Director | Other Acquisition | +4,450 | – | 12,573 |
| 18 Dec 2025 | Daniel McLachlan | Sale to Issuer | -5,247 | $55.87 | 318,049 | |
| 18 Dec 2025 | Daniel McLachlan | Other Acquisition | +18,520 | – | 52,853 | |
| 18 Dec 2025 | Derek Dubner | Chairperson & CEO | Sale to Issuer | -5,247 | $55.87 | 516,420 |
| 18 Dec 2025 | Derek Dubner | Chairperson & CEO | Other Acquisition | +18,520 | – | 52,853 |
| 18 Dec 2025 | James Reilly | President | Sale to Issuer | -5,247 | $55.87 | 191,498 |
| 18 Dec 2025 | James Reilly | President | Other Acquisition | +18,520 | – | 52,853 |
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 | 613,197 | 3.8% | 4.2 |
| 30 Sep 2026 | 717,827 | 4.5% | 3.4 |
| 15 Sep 2026 | 608,708 | 3.8% | 2.9 |
| 31 Aug 2026 | 526,863 | 3.3% | 2.5 |
| 14 Aug 2026 | 430,521 | 2.7% | 1.1 |
| 31 Jul 2026 | 597,564 | 4.2% | 3.2 |
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