艾尔免疫 ALT
$2.08 +$0.11 (+5.58%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $2.07 -0.48%
开盘$1.97
昨收$1.97
当日区间$1.95 – $2.10
成交量2.77M
市值$404.60M
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77.7%-1.21 个百分点，较上季度
持仓机构数237-5 ，较上季度
内部人近期交易38次买入 / 12次卖出净买入
空头持仓比例21.71% 占流通股回补天数 10.4 · 截至 15 Oct 2026
卖空成交量占比23.1%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：−$3.94M（7个净流入日，13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36.6%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26.71%降至21.71%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Deep Track Capital, LP | VC/PE Fund | 2026/Q3 | +19,250,000 | 9.9% |
| TCG Crossover Management, LLC | VC/PE Fund | 2026/Q3 | +10,000,000 | 5.1% |
| BlackRock | Mutual Fund | 2026/Q3 | +7,590,007 | 10.5% |
| Viking Global Investors LP | Hedge Fund | 2026/Q3 | +6,700,000 | 3.4% |
| RA Capital Management, L.P. | VC/PE Fund | 2026/Q3 | +6,500,000 | 3.3% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +4,952,990 | 6.2% |
| Woodline Partners LP | Hedge Fund | 2026/Q3 | +3,400,312 | 1.7% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +2,943,386 | 4.9% |
| Marshall Wace LLP | Hedge Fund | 2026/Q3 | +2,823,154 | 3.5% |
| Trails Edge Capital Partners, LP | Hedge Fund | 2026/Q3 | +2,660,000 | 1.4% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +1,948,263 | 3.8% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +1,904,218 | 2.6% |
| Great Point Partners, LLC | VC/PE Fund | 2026/Q3 | +1,741,232 | 0.9% |
| Weiss Asset Management, LLC | Hedge Fund | 2026/Q3 | +1,530,803 | 0.8% |
| Nantahala Capital Management, LLC | Hedge Fund | 2026/Q3 | +1,500,000 | 0.8% |
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 | Gregory Weaver | Chief Financial Officer | Derivative Exercise and Sale | -4,379 | $2.76 | 49,927 |
| 30 Sep 2026 | Gregory Weaver | Chief Financial Officer | Derivative Exercise and Retained | +10,096 | – | 49,927 |
| 30 Sep 2026 | Christophe Arbet-Engels | Chief Medical Officer | Derivative Exercise and Sale | -12,679 | $2.76 | 24,821 |
| 30 Sep 2026 | Christophe Arbet-Engels | Chief Medical Officer | Derivative Exercise and Retained | +24,821 | – | 24,821 |
| 15 Sep 2026 | Linda Richardson | Chief Commercial Officer | Derivative Exercise and Sale | -6,826 | $3.24 | 17,174 |
| 15 Sep 2026 | Linda Richardson | Chief Commercial Officer | Derivative Exercise and Retained | +17,174 | – | 17,174 |
| 12 Aug 2026 | Jerome Durso | Chairperson & CEO | Open Market Acquisition | +15,000 | $2.95 | 62,500 |
| 30 Jul 2026 | Gregory Weaver | Chief Financial Officer | Other Acquisition | +1,753 | $2.41 | 39,831 |
| 30 Jul 2026 | M. Roberts | Chief Scientific Officer | Other Acquisition | +875 | $2.41 | 113,699 |
| 30 Apr 2026 | Mitchel Sayare | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 30 Apr 2026 | John Gill | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 30 Apr 2026 | Philip Hodges | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 30 Apr 2026 | Klaus Schafer | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 30 Apr 2026 | Catherine Sohn | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 30 Apr 2026 | Wayne Pisano | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 30 Apr 2026 | Diane Jorkasky | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 30 Apr 2026 | Teri Lawver | Independent Director | Other Derivative Acquisition | +48,800 | $2.82 | 48,800 |
| 5 Apr 2026 | John Gill | Independent Director | Open Market Acquisition | +9,200 | $3.41 | 21,700 |
| 31 Mar 2026 | Gregory Weaver | Chief Financial Officer | Open Market Acquisition | +10,000 | $3.15 | 38,078 |
| 31 Mar 2026 | Jerome Durso | Chairperson & CEO | Open Market Acquisition | +15,000 | $3.14 | 47,500 |
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 | 42,233,791 | 21.7% | 10.4 |
| 30 Sep 2026 | 46,079,911 | 23.7% | 10.5 |
| 15 Sep 2026 | 51,749,756 | 26.6% | 15.4 |
| 31 Aug 2026 | 49,714,773 | 25.6% | 11.8 |
| 14 Aug 2026 | 50,972,774 | 26.2% | 11.0 |
| 31 Jul 2026 | 51,938,259 | 26.7% | 11.5 |
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