史达手术 STAA
$25.21 −$1.51 (-5.65%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $24.72 -1.94%
开盘$26.41
昨收$26.72
当日区间$25.06 – $26.70
成交量1.04M
市值$1.27B
市盈率（TTM）2,521.0
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107.3%-4.02 个百分点，较上季度
持仓机构数244+3 ，较上季度
内部人近期交易38次买入 / 11次卖出净买入
空头持仓比例7.37% 占流通股回补天数 6.1 · 截至 15 Oct 2026
卖空成交量占比15.9%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：−$520.0K（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61.0%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9.99%降至7.37%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Two Seas Capital LP | Hedge Fund | 2026/Q3 | +240,568 | 2.6% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +82,422 | 0.2% |
| Y-Intercept (Hong Kong) Limited | Mutual Fund | 2026/Q3 | +60,397 | 0.2% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +82,422 | 0.2% |
| The Burney Company | Mutual Fund | 2026/Q3 | +231,205 | 0.5% |
| Madison Avenue Partners, LP | Hedge Fund | 2026/Q3 | +1,734,070 | 8.3% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +1,614,294 | 4.9% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +1,067,246 | 4.1% |
| Norges Bank Investment Management | Sovereign Wealth Fund | 2026/Q3 | +365,200 | 0.7% |
| Defilade Capital Management, L.P. | Hedge Fund | 2026/Q3 | +322,126 | 0.6% |
| AI-Squared Management Limited | Hedge Fund | 2026/Q3 | +274,336 | 1.1% |
| Renaissance Technologies Corp. | Hedge Fund | 2026/Q3 | +205,200 | 0.7% |
| UBS Asset Management | Mutual Fund | 2026/Q3 | +171,090 | 0.9% |
| Bank of America Corporation | Public Company | 2026/Q3 | +119,030 | 0.4% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +80,742 | 0.2% |
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 |
|---|---|---|---|---|---|---|
| 13 Aug 2026 | Deborah Andrews | Chief Financial Officer | Derivative Exercise and Sale | -2,662 | $26.18 | 38,910 |
| 13 Aug 2026 | Deborah Andrews | Chief Financial Officer | Other Derivative Acquisition | +4,975 | – | 4,975 |
| 13 Aug 2026 | Deborah Andrews | Chief Financial Officer | Other Derivative Acquisition | +8,952 | $26.18 | 8,952 |
| 13 Aug 2026 | Deborah Andrews | Chief Financial Officer | Other Derivative Acquisition | +29,159 | $26.18 | 29,159 |
| 13 Aug 2026 | Deborah Andrews | Chief Financial Officer | Derivative Exercise and Retained | +2,571 | – | 38,910 |
| 13 Aug 2026 | Magda Michna | Chief Development Officer | Derivative Exercise and Sale | -3,356 | $26.18 | 41,343 |
| 13 Aug 2026 | Magda Michna | Chief Development Officer | Derivative Exercise and Retained | +3,243 | $26.18 | 41,343 |
| 13 Aug 2026 | Warren Foust | Chief Executive Officer | Derivative Exercise and Sale | -5,595 | $26.18 | 95,816 |
| 13 Aug 2026 | Warren Foust | Chief Executive Officer | Other Derivative Acquisition | +22,493 | – | 22,493 |
| 13 Aug 2026 | Warren Foust | Chief Executive Officer | Other Derivative Acquisition | +78,433 | $26.18 | 37,962 |
| 13 Aug 2026 | Warren Foust | Chief Executive Officer | Other Derivative Acquisition | +255,489 | $26.18 | 123,659 |
| 13 Aug 2026 | Warren Foust | Chief Executive Officer | Derivative Exercise and Retained | +5,402 | – | 95,816 |
| 30 Jul 2026 | Warren Foust | Chief Executive Officer | Derivative Exercise and Sale | -10,576 | $24.36 | 86,556 |
| 30 Jul 2026 | Warren Foust | Chief Executive Officer | Derivative Exercise and Retained | +10,211 | – | 86,556 |
| 30 Jul 2026 | Deborah Andrews | Chief Financial Officer | Derivative Exercise and Sale | -17,056 | $31.21 | 36,339 |
| 30 Jul 2026 | Deborah Andrews | Chief Financial Officer | Derivative Exercise and Retained | +17,686 | – | 36,339 |
| 17 Jun 2026 | Louis Silverman | Independent Director | Other Derivative Acquisition | +6,182 | – | 6,182 |
| 17 Jun 2026 | Louis Silverman | Independent Director | Derivative Exercise and Retained | +10,683 | – | 11,158 |
| 17 Jun 2026 | Neal Bradsher | Independent Chairperson | Other Derivative Acquisition | +11,145 | $29.12 | 11,145 |
| 17 Jun 2026 | Lilian Zhou | Independent Director | Other Derivative Acquisition | +3,091 | – | 3,091 |
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 | 3,696,106 | 7.4% | 6.1 |
| 30 Sep 2026 | 3,737,563 | 7.5% | 2.8 |
| 15 Sep 2026 | 4,631,284 | 9.2% | 4.9 |
| 31 Aug 2026 | 4,262,969 | 8.5% | 5.7 |
| 14 Aug 2026 | 4,390,186 | 8.8% | 4.0 |
| 31 Jul 2026 | 4,975,558 | 10.0% | 4.3 |
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