Attovia 制药 ATTO
$15.27 +$0.27 (+1.80%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $15.27 0.00%
开盘$14.93
昨收$15.00
当日区间$14.93 – $15.50
成交量218.8K
市值$697.09M
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50.6%+50.63 个百分点，较上季度
持仓机构数14+14 ，较上季度
内部人近期交易17次买入 / 0次卖出净买入
空头持仓比例3.18% 占流通股回补天数 3.5 · 截至 15 Oct 2026
卖空成交量占比21.8%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：−$3.47M（5个净流入日，15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42.8%的流通股。
最大股东
按投资者类型
过去5次双周报告中（14 Aug 2026至15 Oct 2026），空头持仓占流通股比例已从1.19%升至3.18%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Charles Schwab Investment Management | Mutual Fund | 2026/Q3 | +100,603 | 0.2% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +891,189 | 2.0% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +20,495 | 0.0% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +90,644 | 0.2% |
| Hartford Funds Management Company, LLC | Mutual Fund | 2026/Q3 | +12,400 | 0.0% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +2,430 | 0.0% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +1,800 | 0.0% |
| Vanguard Global Advisers, LLC | Mutual Fund | 2026/Q3 | +891 | 0.0% |
| Deep Track Capital, LP | VC/PE Fund | 2026/Q3 | +3,207,138 | 7.0% |
| Frazier Life Sciences Management, LP | VC/PE Fund | 2026/Q3 | +6,968,703 | 15.3% |
| venBio LLC | VC/PE Fund | 2026/Q3 | +4,181,367 | 9.2% |
| Sanofi | Public Company | 2026/Q3 | +1,082,855 | 2.4% |
| Redmile Group, LLC | Hedge Fund | 2026/Q3 | +982,854 | 2.2% |
| Alamar Biosciences, Inc. | Public Company | 2026/Q3 | +3,229,279 | 7.1% |
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +1,967,074 | 4.3% |
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 |
|---|---|---|---|---|---|---|
| 5 Aug 2026 | Sanofi | Private Acquisition | +300,000 | $17.00 | 1,082,855 | |
| 5 Aug 2026 | Sanofi | Derivative Exercise and Retained | +782,855 | – | 1,082,855 | |
| 5 Aug 2026 | Redmile Group, LLC | Private Acquisition | +200,000 | $17.00 | 982,854 | |
| 5 Aug 2026 | Redmile Group, LLC | Derivative Exercise and Retained | +782,854 | – | 982,854 | |
| 5 Aug 2026 | venBio LLC | Private Acquisition | +382,352 | $17.00 | 4,181,367 | |
| 5 Aug 2026 | venBio LLC | Derivative Exercise and Retained | +3,799,015 | – | 4,181,367 | |
| 5 Aug 2026 | Deep Track Capital, LP | Derivative Exercise and Retained | +1,957,138 | – | 1,957,138 | |
| 5 Aug 2026 | Frazier Life Sciences Management, LP | Private Acquisition | +588,235 | $17.00 | 6,154,213 | |
| 5 Aug 2026 | Frazier Life Sciences Management, LP | Derivative Exercise and Retained | +5,490,629 | – | 6,154,213 | |
| 4 Aug 2026 | Goldman Sachs Asset Management, L.P. | Open Market Derivative Acquisiti | +105,807 | – | 105,807 | |
| 3 Aug 2026 | Sanofi | Initial Statement of Beneficial | +0 | – | 782,855 | |
| 3 Aug 2026 | Mitchell Gold | Independent Director | Other Derivative Acquisition | +27,000 | $17.00 | 27,000 |
| 3 Aug 2026 | Mitchell Gold | Independent Director | Initial Statement of Beneficial | +0 | – | 19,913 |
| 3 Aug 2026 | Angie You | Independent Director | Other Derivative Acquisition | +27,000 | $17.00 | 27,000 |
| 3 Aug 2026 | John Smither | Independent Director | Initial Statement of Beneficial | +0 | – | 72,792 |
| 3 Aug 2026 | Hubert Chen | Chief Medical Officer | Other Derivative Acquisition | +140,000 | $17.00 | 140,000 |
| 3 Aug 2026 | Broad Street Principal Investments, L.L.C. | Initial Statement of Beneficial | +0 | – | 855,179 | |
| 3 Aug 2026 | Tao Fu | Chief Executive Officer | Other Derivative Acquisition | +538,300 | $17.00 | 538,300 |
| 3 Aug 2026 | Tao Fu | Chief Executive Officer | Initial Statement of Beneficial | +0 | – | 803,436 |
| 3 Aug 2026 | Steven Chan | Chief Financial Officer | Other Derivative Acquisition | +140,000 | $17.00 | 140,000 |
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 | 1,453,089 | 3.2% | 3.5 |
| 30 Sep 2026 | 1,649,612 | 3.6% | 3.0 |
| 15 Sep 2026 | 831,090 | 1.8% | 4.0 |
| 31 Aug 2026 | 648,541 | 1.5% | 3.1 |
| 14 Aug 2026 | 511,865 | 1.2% | 1.0 |
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