股票 › RMD
瑞思迈 RMD
$235.30 −$4.01 (-1.68%)
休市 · Nov 6, 8:20 pm ET · 最新盘后价 $235.30 0.00%
开盘$234.00
昨收$239.31
当日区间$231.95 – $236.67
成交量1.72M
市值$33.10B
市盈率（TTM）21.4
股息率1.05%
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80.5%+2.09 个百分点，较上季度
持仓机构数1,153+0 ，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8.48% 占流通股回补天数 12.3 · 截至 15 Oct 2026
卖空成交量占比22.3%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：−$20.26M（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31.4%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10.81%降至8.48%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +160,904 | 0.3% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +157,514 | 0.3% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +740,871 | 1.6% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +679,489 | 0.8% |
| Invesco Capital Management LLC | Mutual Fund | 2026/Q3 | +601,663 | 1.3% |
| UBS Asset Management | Mutual Fund | 2026/Q3 | +571,553 | 1.5% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +557,632 | 0.6% |
| AllianceBernstein | Mutual Fund | 2026/Q3 | +445,951 | 0.6% |
| Federated Hermes, Inc. | Mutual Fund | 2026/Q3 | +440,456 | 0.3% |
| Victory Capital Management Inc. | Mutual Fund | 2026/Q3 | +421,695 | 0.4% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +390,646 | 0.5% |
| Citigroup Inc. | Public Company | 2026/Q3 | +384,343 | 0.6% |
| Nordea Investment Management AB | Mutual Fund | 2026/Q3 | +354,627 | 1.0% |
| Sparinvest SA (Luxembourg) | Mutual Fund | 2026/Q3 | +269,745 | 0.2% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +176,176 | 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 |
|---|---|---|---|---|---|---|
| 22 Oct 2026 | Michael Rider | Chief Legal Officer | Automatic Disposition | -400 | $255.00 | 12,318 |
| 6 Oct 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $226.33 | 481,893 |
| 7 Sep 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $222.44 | 481,893 |
| 1 Sep 2026 | Peter Farrell | Founder, Chair Emeritus & Non-Executive Director | Automatic Disposition | -970 | $234.73 | 51,267 |
| 13 Aug 2026 | Justin Leong | Chief Product Officer | Other Acquisition | +6,461 | – | 35,489 |
| 13 Aug 2026 | Michael Farrell | Chairperson & CEO | Other Acquisition | +13,547 | – | 481,893 |
| 13 Aug 2026 | Michael Rider | Chief Legal Officer | Other Acquisition | +3,230 | – | 12,718 |
| 13 Aug 2026 | Aaron Bloomer | Chief Financial Officer | Other Acquisition | +9,072 | – | 9,072 |
| 6 Aug 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $205.69 | 468,346 |
| 4 Aug 2026 | Peter Farrell | Founder, Chair Emeritus & Non-Executive Director | Automatic Disposition | -8,000 | $225.00 | 52,237 |
| 6 Jul 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $218.55 | 468,313 |
| 7 Jun 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $193.96 | 468,346 |
| 31 May 2026 | Michael Rider | Chief Legal Officer | Sale to Issuer | -268 | $190.57 | 9,488 |
| 26 May 2026 | Brett Sandercock | Advisor | Intent to Sell (Form 144) | -8,000 | $209.07 | – |
| 6 May 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $207.82 | 468,313 |
| 6 Apr 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $225.50 | 468,313 |
| 31 Mar 2026 | Peter Farrell | Founder, Chair Emeritus & Non-Executive Director | Automatic Disposition | -2,000 | $225.00 | 60,237 |
| 31 Mar 2026 | Brett Sandercock | Advisor | Automatic Disposition | -1,000 | $224.31 | 83,495 |
| 8 Mar 2026 | Michael Farrell | Chairperson & CEO | Derivative Exercise and Sale | -4,991 | $251.03 | 468,313 |
| 3 Mar 2026 | Peter Farrell | Founder, Chair Emeritus & Non-Executive Director | Automatic Disposition | -2,000 | $260.22 | 62,237 |
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 | 11,920,328 | 8.5% | 12.3 |
| 30 Sep 2026 | 12,783,009 | 8.9% | 9.9 |
| 15 Sep 2026 | 14,203,907 | 9.8% | 11.7 |
| 31 Aug 2026 | 13,073,165 | 9.1% | 8.9 |
| 14 Aug 2026 | 12,794,915 | 8.9% | 7.4 |
| 31 Jul 2026 | 15,676,616 | 10.8% | 14.2 |
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