开盘$17.77
昨收$18.06
当日区间$17.22 – $18.05
成交量3.93M
市值$1.97B
市盈率（TTM）–
股息率4.62%
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104.6%-0.35 个百分点，较上季度
持仓机构数461-10 ，较上季度
内部人近期交易34次买入 / 16次卖出净买入
空头持仓比例13.15% 占流通股回补天数 2.7 · 截至 15 Oct 2026
卖空成交量占比23.2%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：−$19.23M（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40.1%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10.81%升至13.15%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +158,198 | 0.1% |
| AQR Capital Management | Hedge Fund | 2026/Q3 | +4,540,898 | 5.0% |
| CapFinancial Partners, LLC | Mutual Fund | 2026/Q3 | +1,301,343 | 1.2% |
| Hotchkis and Wiley Capital Management, LLC | Mutual Fund | 2026/Q3 | +936,990 | 14.1% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +593,302 | 2.0% |
| Dimensional Fund Advisors | Mutual Fund | 2026/Q3 | +538,480 | 5.4% |
| Pacific Investment Management Company LLC | Mutual Fund | 2026/Q3 | +501,844 | 0.9% |
| BlackRock | Mutual Fund | 2026/Q3 | +497,398 | 10.5% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +449,246 | 0.5% |
| J.P. Morgan Mansart Management Limited | Mutual Fund | 2026/Q3 | +289,748 | 0.3% |
| Los Angeles Capital Management LLC | Mutual Fund | 2026/Q3 | +288,710 | 0.3% |
| Renaissance Technologies Corp. | Hedge Fund | 2026/Q3 | +283,500 | 0.2% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +277,898 | 0.2% |
| Centerbook Partners LP | Hedge Fund | 2026/Q3 | +253,463 | 0.4% |
| Numeric Investors LLC | Hedge Fund | 2026/Q3 | +250,434 | 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 |
|---|---|---|---|---|---|---|
| 16 Jun 2026 | Deon Carter | VP and President of Chlor Alkali Products & Vinyls | Derivative Exercise and Sale | -609 | $24.13 | 2,248 |
| 16 Jun 2026 | Deon Carter | VP and President of Chlor Alkali Products & Vinyls | Derivative Exercise and Retained | +1,891 | – | 2,248 |
| 31 May 2026 | Florian Kohl | VP and President of Epoxy & International | Derivative Exercise and Sale | -492 | $25.67 | 7,949 |
| 31 May 2026 | Florian Kohl | VP and President of Epoxy & International | Derivative Exercise and Retained | +758 | – | 7,949 |
| 14 May 2026 | Florian Kohl | VP and President of Epoxy & International | Derivative Exercise and Sale | -819 | $27.07 | 7,191 |
| 14 May 2026 | Florian Kohl | VP and President of Epoxy & International | Derivative Exercise and Retained | +1,681 | – | 7,191 |
| 30 Apr 2026 | Matthew Darnall | Independent Director | Other Derivative Acquisition | +10,535 | – | 42,722 |
| 30 Apr 2026 | Julie Piggott | Independent Director | Other Derivative Acquisition | +7,023 | – | 21,495 |
| 30 Apr 2026 | William Weideman | Independent Chairperson | Other Derivative Acquisition | +7,023 | – | 53,657 |
| 30 Apr 2026 | Earsel Shipp | Independent Director | Other Derivative Acquisition | +7,023 | – | 59,191 |
| 30 Apr 2026 | Beverley Babcock | Independent Director | Other Acquisition | +2,107 | $28.48 | 5,625 |
| 30 Apr 2026 | Beverley Babcock | Independent Director | Other Derivative Acquisition | +4,916 | – | 38,508 |
| 30 Apr 2026 | Carol Williams | Independent Director | Other Derivative Acquisition | +7,023 | – | 58,850 |
| 30 Apr 2026 | Edward Daly | Independent Director | Other Derivative Acquisition | +7,023 | – | 16,672 |
| 30 Apr 2026 | Marc Ehrhardt | Derivative Exercise and Sale | -1,877 | $28.48 | 25,829 | |
| 30 Apr 2026 | Marc Ehrhardt | Derivative Exercise and Retained | +5,829 | – | 25,829 | |
| 17 Mar 2026 | Kenneth Lane | Chief Executive Officer | Derivative Exercise and Sale | -19,675 | $26.25 | 100,287 |
| 17 Mar 2026 | Kenneth Lane | Chief Executive Officer | Derivative Exercise and Retained | +30,325 | – | 100,287 |
| 24 Feb 2026 | Deon Carter | VP and President of Chlor Alkali Products & Vinyls | Open Market Disposition | -6,500 | $23.73 | 357 |
| 23 Feb 2026 | Angela Castle | VP & Chief Legal Officer | Open Market Disposition | -2 | $24.25 | 1,530 |
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 | 14,984,494 | 13.1% | 2.7 |
| 30 Sep 2026 | 14,162,017 | 12.4% | 5.2 |
| 15 Sep 2026 | 12,914,192 | 11.3% | 5.3 |
| 31 Aug 2026 | 11,550,219 | 10.1% | 4.0 |
| 14 Aug 2026 | 11,091,581 | 9.7% | 3.6 |
| 31 Jul 2026 | 12,323,176 | 10.8% | 3.7 |
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