股票 › AA
美铝 AA
美股市值排名 #1405
$39.54 +$1.12 (+2.92%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $39.59 +0.12%
开盘$38.83
昨收$38.42
当日区间$38.75 – $39.80
成交量5.20M
市值$10.44B
市盈率（TTM）6.9
股息率1.01%
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85.1%-0.88 个百分点，较上季度
持仓机构数847-13 ，较上季度
内部人近期交易29次买入 / 21次卖出净买入
空头持仓比例4.45% 占流通股回补天数 2.5 · 截至 15 Oct 2026
卖空成交量占比14.7%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：+$3.33M（12个净流入日，8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33.0%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3.54%升至4.45%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Assenagon Asset Management S.A. | Mutual Fund | 2026/Q3 | +672,939 | 0.3% |
| Konwave AG (Gold 2000) | Mutual Fund | 2026/Q3 | +360,000 | 0.6% |
| FMR | Mutual Fund | 2026/Q3 | +4,152,108 | 6.4% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +2,278,086 | 1.0% |
| L1 Capital Pty. Limited | Mutual Fund | 2026/Q3 | +1,435,645 | 0.5% |
| Qube Research & Technologies Ltd | Mutual Fund | 2026/Q3 | +1,375,948 | 1.0% |
| Marshall Wace LLP | Hedge Fund | 2026/Q3 | +1,309,742 | 0.5% |
| Norges Bank Investment Management | Sovereign Wealth Fund | 2026/Q3 | +711,291 | 0.8% |
| Sparinvest SA (Luxembourg) | Mutual Fund | 2026/Q3 | +677,026 | 0.4% |
| Maple Rock Capital Partners Inc. | Hedge Fund | 2026/Q3 | +674,400 | 0.6% |
| Balyasny Asset Management L.P. | Hedge Fund | 2026/Q3 | +671,178 | 0.3% |
| Voloridge Investment Management, LLC | Hedge Fund | 2026/Q3 | +642,684 | 0.2% |
| Deutsche Asset & Wealth Management | Mutual Fund | 2026/Q3 | +635,905 | 0.3% |
| SG Americas Securities, LLC | Private Company | 2026/Q3 | +437,344 | 0.2% |
| Capital Fund Management S.A. | Hedge Fund | 2026/Q3 | +418,299 | 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 |
|---|---|---|---|---|---|---|
| 14 Sep 2026 | Andrew Hastings | Executive Vice President | Sale to Issuer | -3,725 | $46.52 | 9,225 |
| 14 Sep 2026 | Andrew Hastings | Executive Vice President | Other Acquisition | +2,638 | – | 9,225 |
| 30 Aug 2026 | Renato Bacchi | Executive Vice President | Open Market Disposition | -700 | $51.02 | 74,930 |
| 26 Aug 2026 | Tammi Jones | Executive Vice President | Open Market Disposition | -15,628 | $50.60 | 51,846 |
| 16 Aug 2026 | Andrew Hastings | Executive Vice President | Open Market Disposition | -6,000 | $50.90 | 4,762 |
| 21 Jul 2026 | Matthew Reed | Chief Operating Officer | Open Market Disposition | -4,600 | $46.82 | 23,330 |
| 7 May 2026 | James Hughes | Independent Director | Other Acquisition | +2,532 | – | 8,222 |
| 7 May 2026 | John Bevan | Independent Director | Other Acquisition | +2,532 | – | 20,761 |
| 7 May 2026 | Mary Citrino | Independent Director | Other Acquisition | +2,532 | – | 56,665 |
| 7 May 2026 | Carol Roberts | Independent Director | Other Acquisition | +2,532 | – | 53,630 |
| 7 May 2026 | Thomas Gorman | Independent Non-Executive Chairperson | Other Acquisition | +2,532 | – | 23,327 |
| 7 May 2026 | Alistair Field | Independent Director | Other Acquisition | +2,532 | – | 12,199 |
| 7 May 2026 | Roberto de Oliveira Marques | Independent Director | Other Acquisition | +2,532 | – | 15,800 |
| 7 May 2026 | Pasquale Fiore | Independent Director | Other Acquisition | +2,532 | – | 40,761 |
| 7 May 2026 | Brian Galovich | Independent Director | Other Acquisition | +2,532 | – | 2,532 |
| 7 May 2026 | Jackson Roberts | Independent Director | Other Acquisition | +2,532 | – | 19,672 |
| 14 Apr 2026 | Emily Olson | Executive VP & Chief External Affairs Officer | Other Acquisition | +8,760 | – | 8,760 |
| 22 Feb 2026 | William Oplinger | Chief Executive Officer | Sale to Issuer | -3,801 | $59.81 | 162,477 |
| 22 Feb 2026 | William Oplinger | Chief Executive Officer | Other Acquisition | +8,740 | – | 162,477 |
| 22 Feb 2026 | Renato Bacchi | Executive Vice President | Sale to Issuer | -2,113 | $59.81 | 75,630 |
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 | 11,737,422 | 4.4% | 2.5 |
| 30 Sep 2026 | 11,725,447 | 4.4% | 2.9 |
| 15 Sep 2026 | 11,984,650 | 4.5% | 3.5 |
| 31 Aug 2026 | 12,188,128 | 4.6% | 2.9 |
| 14 Aug 2026 | 10,933,734 | 4.1% | 1.9 |
| 31 Jul 2026 | 9,334,029 | 3.5% | 1.6 |
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