开盘$10.56
昨收$10.16
当日区间$10.21 – $10.85
成交量991.5K
市值$383.54M
市盈率（TTM）–
股息率1.86%
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98.1%-0.44 个百分点，较上季度
持仓机构数193+2 ，较上季度
内部人近期交易34次买入 / 15次卖出净买入
空头持仓比例9.70% 占流通股回补天数 5.3 · 截至 15 Oct 2026
卖空成交量占比22.5%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：−$1.95M（4个净流入日，16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32.3%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6.61%升至9.70%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Aigh Capital Management, LLC | Hedge Fund | 2026/Q3 | +304,011 | 5.6% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +75,819 | 0.2% |
| Aigh Capital Management, LLC | Hedge Fund | 2026/Q3 | +1,678,409 | 4.7% |
| ACK Asset Management LLC | Hedge Fund | 2026/Q3 | +877,500 | 2.5% |
| IES Holdings, Inc. | Public Company | 2026/Q3 | +865,768 | 2.4% |
| Driehaus Capital Management LLC | Mutual Fund | 2026/Q3 | +831,657 | 2.4% |
| American Century Investment Management | Mutual Fund | 2026/Q3 | +302,241 | 3.5% |
| T. Rowe Price Group, Inc. | Mutual Fund | 2026/Q3 | +299,648 | 6.9% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +245,612 | 3.5% |
| Deutsche Asset & Wealth Management | Mutual Fund | 2026/Q3 | +240,731 | 0.7% |
| Crestline Investors Inc. | Hedge Fund | 2026/Q3 | +234,699 | 0.7% |
| Congruence Capital, LLC | Hedge Fund | 2026/Q3 | +206,883 | 0.6% |
| Portolan Capital Management, LLC | Hedge Fund | 2026/Q3 | +200,000 | 0.6% |
| Hamco Am Sgiic, S.A. | Mutual Fund | 2026/Q3 | +200,000 | 0.9% |
| PanAgora Asset Management, Inc. | Mutual Fund | 2026/Q3 | +134,425 | 0.6% |
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 |
|---|---|---|---|---|---|---|
| 30 Sep 2026 | Laura Kowalchik | VP of Corporate Finance, Principal Accounting Officer & CFO | Sale to Issuer | -14,012 | $14.29 | 51,082 |
| 21 Sep 2026 | Bruce Crowther | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Mark Schwabero | Independent Chairperson | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | David Blom | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Jonathan DeGaynor | Chief Executive Officer | Other Derivative Acquisition | +170,840 | – | 170,840 |
| 21 Sep 2026 | Laura Kowalchik | VP of Corporate Finance, Principal Accounting Officer & CFO | Other Derivative Acquisition | +41,831 | – | 41,831 |
| 21 Sep 2026 | Mary Lindsey | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Brian Cadwallader | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Therese Bobek | Independent Director | Other Derivative Acquisition | +9,186 | – | 9,186 |
| 21 Sep 2026 | Kerry Vyverberg | General Counsel | Other Derivative Acquisition | +16,634 | – | 16,634 |
| 21 Sep 2026 | Stacie Schulz | Former Chief Accounting Officer | Other Derivative Acquisition | +4,922 | – | 4,922 |
| 21 Sep 2026 | John Erwin | Chief Procurement & EHS Officer | Other Derivative Acquisition | +18,045 | – | 18,045 |
| 21 Sep 2026 | Lars Ullrich | Senior Vice President of Global Automotive Business | Other Derivative Acquisition | +27,625 | – | 27,625 |
| 10 Sep 2026 | John Erwin | Chief Procurement & EHS Officer | Sale to Issuer | -5,667 | $14.61 | 25,534 |
| 1 Sep 2026 | Stacie Schulz | Former Chief Accounting Officer | Sale to Issuer | -1,649 | $18.10 | 9,811 |
| 7 Aug 2026 | Jonathan DeGaynor | Chief Executive Officer | Sale to Issuer | -47,268 | $16.67 | 132,880 |
| 7 Aug 2026 | Laura Kowalchik | VP of Corporate Finance, Principal Accounting Officer & CFO | Sale to Issuer | -11,268 | $16.67 | 32,959 |
| 7 Aug 2026 | Kerry Vyverberg | General Counsel | Sale to Issuer | -4,327 | $16.67 | 25,118 |
| 7 Aug 2026 | John Erwin | Chief Procurement & EHS Officer | Sale to Issuer | -4,068 | $16.67 | 16,802 |
| 7 Aug 2026 | Lars Ullrich | Senior Vice President of Global Automotive Business | Sale to Issuer | -8,157 | $16.67 | 35,116 |
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 | 3,457,767 | 9.7% | 5.3 |
| 30 Sep 2026 | 3,101,637 | 8.7% | 5.2 |
| 15 Sep 2026 | 3,171,340 | 8.9% | 3.4 |
| 31 Aug 2026 | 2,813,509 | 7.9% | 4.1 |
| 14 Aug 2026 | 2,729,150 | 7.7% | 5.0 |
| 31 Jul 2026 | 2,344,766 | 6.6% | 4.7 |
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