阿尔法科技骨科 ATEC
$7.44 −$0.36 (-4.62%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $7.44 0.00%
开盘$7.58
昨收$7.80
当日区间$7.38 – $7.70
成交量3.20M
市值$1.15B
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86.5%-1.10 个百分点，较上季度
持仓机构数326+7 ，较上季度
内部人近期交易23次买入 / 26次卖出净卖出
空头持仓比例8.60% 占流通股回补天数 5.9 · 截至 15 Oct 2026
卖空成交量占比15.9%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：−$9.96M（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26.4%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8.97%降至8.60%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Braidwell LP | Hedge Fund | 2026/Q3 | +4,358,714 | 4.2% |
| Jacobs Levy Equity Management Inc | Mutual Fund | 2026/Q3 | +3,352,133 | 2.2% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +1,604,061 | 1.6% |
| BlackRock | Mutual Fund | 2026/Q3 | +1,238,495 | 7.3% |
| Freestone Grove Partners LP | Hedge Fund | 2026/Q3 | +1,173,065 | 0.8% |
| Paradigm Capital Management, Inc. | Mutual Fund | 2026/Q3 | +1,088,200 | 0.7% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +1,057,749 | 1.0% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +1,004,555 | 1.5% |
| PanAgora Asset Management, Inc. | Mutual Fund | 2026/Q3 | +687,363 | 0.5% |
| Macquarie Investment Management Business Trust | Mutual Fund | 2026/Q3 | +682,345 | 1.3% |
| Rice Hall James & Associates, LLC | Mutual Fund | 2026/Q3 | +657,864 | 0.4% |
| FMR | Mutual Fund | 2026/Q3 | +639,719 | 0.6% |
| Raymond James Financial, Inc. | Public Company | 2026/Q3 | +634,027 | 1.1% |
| Delaware Management Company | Mutual Fund | 2026/Q3 | +453,951 | 0.9% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +450,185 | 2.3% |
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 |
|---|---|---|---|---|---|---|
| 4 Oct 2026 | Thomas Carls | Executive Vice President of Data Intelligence & Strategy | Other Acquisition | +200,000 | – | 200,000 |
| 13 Sep 2026 | Thomas Carls | Executive Vice President of Data Intelligence & Strategy | Initial Statement of Beneficial | +0 | – | 2,520 |
| 9 Sep 2026 | Patrick Miles | Chairperson & CEO | Open Market Acquisition | +115,000 | $8.81 | 5,033,603 |
| 4 Aug 2026 | Tyson Marshall | General Counsel | Automatic Disposition | -8,168 | $9.65 | 275,159 |
| 10 Jun 2026 | Karen McGinnis | Independent Director | Automatic Disposition | -6,050 | $8.01 | 62,659 |
| 9 Jun 2026 | David Demski | Director | Other Acquisition | +32,012 | – | 134,501 |
| 9 Jun 2026 | Mortimer Berkowitz | Lead Independent Director | Other Acquisition | +32,012 | – | 32,012 |
| 9 Jun 2026 | Karen McGinnis | Independent Director | Other Acquisition | +32,012 | – | 32,012 |
| 9 Jun 2026 | Keith Valentine | Independent Director | Other Acquisition | +32,012 | – | 50,721 |
| 9 Jun 2026 | David Pelizzon | Independent Director | Other Acquisition | +32,012 | – | 32,012 |
| 9 Jun 2026 | Quentin Blackford | Independent Director | Other Acquisition | +32,012 | – | 32,012 |
| 10 May 2026 | Keith Valentine | Independent Director | Open Market Acquisition | +135,000 | $7.54 | 213,562 |
| 6 Apr 2026 | Tyson Marshall | General Counsel | Derivative Exercise and Sale | -23,393 | $11.03 | 268,327 |
| 6 Apr 2026 | Tyson Marshall | General Counsel | Derivative Exercise and Retained | +79,107 | $3.34 | 268,327 |
| 12 Mar 2026 | J. Koning | Chief Financial Officer | Automatic Disposition | -79,789 | $12.36 | 206,104 |
| 12 Mar 2026 | Scott Lish | Chief Operating Officer | Open Market Disposition | -260,535 | $12.30 | 815,704 |
| 10 Mar 2026 | David Sponsel | Executive Vice President of Sales | Automatic Disposition | -163,452 | $12.52 | 91,666 |
| 8 Mar 2026 | Craig Hunsaker | Executive Vice President of People & Culture | Other Disposition | -600 | – | 1,188,179 |
| 8 Mar 2026 | Craig Hunsaker | Executive Vice President of People & Culture | Open Market Disposition | -82,765 | $12.45 | 1,188,179 |
| 5 Mar 2026 | Craig Hunsaker | Executive Vice President of People & Culture | Automatic Disposition | -33,602 | $12.22 | 1,188,179 |
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 | 13,283,446 | 8.6% | 5.9 |
| 30 Sep 2026 | 14,074,612 | 9.1% | 7.0 |
| 15 Sep 2026 | 14,429,283 | 9.3% | 5.5 |
| 31 Aug 2026 | 13,672,295 | 8.9% | 9.4 |
| 14 Aug 2026 | 13,630,117 | 8.8% | 4.8 |
| 31 Jul 2026 | 13,788,007 | 9.0% | 7.3 |
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