股票 › VSTM
维拉斯特姆肿瘤 VSTM
美股市值排名 #3177
$8.41 −$0.97 (-10.34%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $8.41 0.00%
开盘$8.66
昨收$9.38
当日区间$7.72 – $8.86
成交量7.04M
市值$1.06B
市盈率（TTM）–
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82.1%-28.49 个百分点，较上季度
持仓机构数185+3 ，较上季度
内部人近期交易12次买入 / 38次卖出净卖出
空头持仓比例14.17% 占流通股回补天数 2.5 · 截至 15 Oct 2026
卖空成交量占比15.4%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：+$1.05M（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27.8%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22.56%降至14.17%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| BlackRock | Mutual Fund | 2026/Q3 | +2,997,522 | 7.6% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +2,509,995 | 2.7% |
| Armistice Capital LLC | Hedge Fund | 2026/Q3 | +2,432,000 | 5.8% |
| Baker Bros. Advisors LP | Hedge Fund | 2026/Q3 | +1,914,581 | 2.1% |
| Rosalind Advisors, Inc. | Hedge Fund | 2026/Q3 | +1,848,034 | 3.3% |
| Opaleye Management Inc. | Hedge Fund | 2026/Q3 | +1,800,000 | 1.5% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +1,617,208 | 4.2% |
| Balyasny Asset Management L.P. | Hedge Fund | 2026/Q3 | +1,276,796 | 1.4% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +1,008,080 | 1.9% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +866,079 | 0.8% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +650,906 | 3.7% |
| Synovus Trust Company, National Association | Family Office/Trust | 2026/Q3 | +591,174 | 0.9% |
| Bank of America Corporation | Public Company | 2026/Q3 | +472,990 | 0.7% |
| PanAgora Asset Management, Inc. | Mutual Fund | 2026/Q3 | +422,771 | 0.5% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +356,588 | 1.7% |
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 |
|---|---|---|---|---|---|---|
| 30 Sep 2026 | Daniel Paterson | Chief Executive Officer | Open Market Disposition | -44,121 | $8.00 | 309,760 |
| 30 Sep 2026 | Daniel Calkins | Chief Financial Officer | Open Market Disposition | -2,566 | $8.00 | 68,299 |
| 29 Sep 2026 | Daniel Paterson | Chief Executive Officer | Other Acquisition | +106,893 | – | 309,760 |
| 29 Sep 2026 | Daniel Calkins | Chief Financial Officer | Other Disposition | -8,333 | – | 68,299 |
| 20 Sep 2026 | Daniel Calkins | Chief Financial Officer | Open Market Disposition | -55 | $7.70 | 62,532 |
| 2 Aug 2026 | Daniel Paterson | Chief Executive Officer | Open Market Disposition | -1,302 | $5.81 | 246,988 |
| 22 Jul 2026 | Robert Gagnon | Former Director | Intent to Sell (Form 144) | -31,924 | $5.89 | – |
| 24 Jun 2026 | Robert Gagnon | Former Director | Intent to Sell (Form 144) | -21,492 | $4.21 | – |
| 21 Jun 2026 | Daniel Paterson | Chief Executive Officer | Open Market Disposition | -20,871 | $4.18 | 245,165 |
| 21 Jun 2026 | Daniel Calkins | Chief Financial Officer | Open Market Disposition | -4,089 | $4.18 | 59,569 |
| 26 May 2026 | Robert Gagnon | Former Director | Intent to Sell (Form 144) | -20,103 | $4.36 | – |
| 20 May 2026 | Michael Bailey | Director | Other Acquisition | +108,000 | – | 108,000 |
| 20 May 2026 | Paul A. Bunn | Independent Director | Other Acquisition | +36,000 | – | 36,000 |
| 20 May 2026 | Eric Rowinsky | Independent Director | Other Acquisition | +36,000 | – | 36,000 |
| 20 May 2026 | John Johnson | Independent Chairperson | Other Acquisition | +36,000 | – | 36,000 |
| 20 May 2026 | Brian Stuglik | Director | Other Acquisition | +36,000 | – | 137,147 |
| 20 May 2026 | Anil Kapur | Independent Director | Other Acquisition | +36,000 | – | 36,000 |
| 20 May 2026 | Michelle Robertson | Independent Director | Other Acquisition | +36,000 | – | 36,000 |
| 20 May 2026 | Karin Tollefson | Independent Director | Other Acquisition | +36,000 | – | 36,000 |
| 3 May 2026 | Daniel Paterson | Chief Executive Officer | Open Market Disposition | -806 | $5.82 | 232,130 |
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 | 17,201,810 | 14.2% | 2.5 |
| 30 Sep 2026 | 14,964,825 | 16.5% | 7.0 |
| 15 Sep 2026 | 18,028,616 | 19.9% | 6.5 |
| 31 Aug 2026 | 18,298,315 | 20.2% | 11.0 |
| 14 Aug 2026 | 18,909,052 | 20.9% | 9.6 |
| 31 Jul 2026 | 19,825,791 | 22.6% | 9.4 |
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