阿尔托神经科学 ANRO
$25.16 +$3.29 (+15.04%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $25.03 -0.52%
开盘$22.12
昨收$21.87
当日区间$21.87 – $25.45
成交量617.5K
市值$987.33M
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86.6%-4.52 个百分点，较上季度
持仓机构数144+6 ，较上季度
内部人近期交易40次买入 / 9次卖出净买入
空头持仓比例13.26% 占流通股回补天数 7.5 · 截至 15 Oct 2026
卖空成交量占比28.7%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：−$326.9K（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31.6%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9.22%升至13.26%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Nicholas Smith | Individual/Insider | 2026/Q3 | +55,000 | 0.2% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +56,133 | 0.1% |
| EcoR1 Capital, LLC | Hedge Fund | 2026/Q3 | +2,232,000 | 5.7% |
| BlackRock | Mutual Fund | 2026/Q3 | +1,454,821 | 5.4% |
| Adage Capital Management, L.P. | Hedge Fund | 2026/Q3 | +1,215,000 | 4.1% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +486,442 | 1.7% |
| Parkman Healthcare Partners LLC | Hedge Fund | 2026/Q3 | +429,035 | 1.1% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +385,300 | 1.7% |
| Affinity Asset Advisors, LLC | Hedge Fund | 2026/Q3 | +350,000 | 2.2% |
| Schonfeld Strategic Advisors LLC | Hedge Fund | 2026/Q3 | +257,631 | 0.7% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +228,437 | 4.1% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +181,101 | 0.5% |
| Columbia Management Investment Advisers, LLC | Mutual Fund | 2026/Q3 | +177,672 | 0.5% |
| Vivo Capital, LLC | VC/PE Fund | 2026/Q3 | +173,307 | 3.1% |
| Northern Trust Global Investments | Mutual Fund | 2026/Q3 | +159,298 | 1.6% |
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 |
|---|---|---|---|---|---|---|
| 1 Oct 2026 | Nicholas Smith | CFO & President | Derivative Exercise and Retained | +55,000 | $2.32 | 79,060 |
| 29 Sep 2026 | Nicholas Smith | CFO & President | Derivative Exercise and Sale | -134,886 | $26.87 | 24,060 |
| 28 Sep 2026 | Nicholas Smith | CFO & President | Intent to Sell (Form 144) | -134,886 | $26.66 | – |
| 26 May 2026 | Andrew Miller | Director | Other Derivative Acquisition | +26,000 | $20.44 | 26,000 |
| 13 May 2026 | Amit Etkin | Founder, CEO & Chairman of the Board | Other Disposition | -400,000 | – | 833,949 |
| 11 May 2026 | Gwill York | Independent Director | Other Derivative Acquisition | +10,958 | $24.63 | 10,958 |
| 11 May 2026 | Andrew Dreyfus | Independent Director | Other Derivative Acquisition | +10,958 | $24.63 | 10,958 |
| 11 May 2026 | Husseini Manji | Non-Employee Independent Director | Other Derivative Acquisition | +10,958 | $24.63 | 10,958 |
| 11 May 2026 | Raymond Sanchez | Independent Director | Other Derivative Acquisition | +10,958 | $24.63 | 10,958 |
| 11 May 2026 | Christopher Cox | Lead Independent Director | Other Derivative Acquisition | +10,958 | $24.63 | 10,958 |
| 28 Feb 2026 | Nicholas Smith | CFO & President | Sale to Issuer | -2,806 | $19.69 | 24,060 |
| 28 Feb 2026 | Amit Etkin | Founder, CEO & Chairman of the Board | Sale to Issuer | -6,227 | $19.69 | 1,233,949 |
| 10 Feb 2026 | Nicholas Smith | CFO & President | Other Derivative Acquisition | +200,000 | $16.71 | 200,000 |
| 10 Feb 2026 | Amit Etkin | Founder, CEO & Chairman of the Board | Other Derivative Acquisition | +306,000 | $16.71 | 306,000 |
| 10 Feb 2026 | Michael Hanley | Chief Operating Officer | Other Derivative Acquisition | +131,000 | $16.71 | 131,000 |
| 10 Feb 2026 | Adam Savitz | Chief Medical Officer | Other Derivative Acquisition | +124,000 | $16.71 | 124,000 |
| 1 Jan 2026 | Gwill York | Independent Director | Other Derivative Acquisition | +5,243 | $16.59 | 5,243 |
| 1 Jan 2026 | Husseini Manji | Non-Employee Independent Director | Other Derivative Acquisition | +4,228 | $16.59 | 4,228 |
| 1 Jan 2026 | Raymond Sanchez | Independent Director | Other Derivative Acquisition | +3,806 | $16.59 | 3,806 |
| 1 Jan 2026 | Christopher Cox | Lead Independent Director | Other Derivative Acquisition | +7,189 | $16.59 | 7,189 |
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 | 5,204,407 | 13.3% | 7.5 |
| 30 Sep 2026 | 4,660,269 | 11.9% | 6.5 |
| 15 Sep 2026 | 4,174,082 | 10.6% | 9.1 |
| 31 Aug 2026 | 3,836,359 | 9.8% | 8.1 |
| 14 Aug 2026 | 3,556,066 | 9.1% | 7.5 |
| 31 Jul 2026 | 3,235,210 | 9.2% | 7.5 |
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