赛特克生物科技 CTKB
$5.83 +$0.43 (+7.96%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $5.83 0.00%
开盘$5.35
昨收$5.40
当日区间$5.31 – $5.89
成交量1.13M
市值$762.47M
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63.3%-0.52 个百分点，较上季度
持仓机构数183-3 ，较上季度
内部人近期交易37次买入 / 13次卖出净买入
空头持仓比例3.39% 占流通股回补天数 2.7 · 截至 15 Oct 2026
卖空成交量占比15.5%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：−$7.02M（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30.4%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3.79%降至3.39%。
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 | +257,085 | 0.2% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +3,046,212 | 7.2% |
| Boston Partners Global Investors, Inc. | Mutual Fund | 2026/Q3 | +1,832,372 | 5.9% |
| Acadian Asset Management LLC | Mutual Fund | 2026/Q3 | +977,060 | 1.1% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +906,162 | 0.7% |
| Qube Research & Technologies Ltd | Mutual Fund | 2026/Q3 | +689,821 | 0.5% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +653,924 | 0.7% |
| Susquehanna International Group, LLP | Private Company | 2026/Q3 | +625,695 | 0.5% |
| Hudson River Trading LLC | Private Company | 2026/Q3 | +583,717 | 0.8% |
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +549,050 | 1.4% |
| Tudor Investment Corporation | Hedge Fund | 2026/Q3 | +517,198 | 0.6% |
| Marshall Wace LLP | Hedge Fund | 2026/Q3 | +441,704 | 0.3% |
| Royce & Associates, LP | Mutual Fund | 2026/Q3 | +439,211 | 1.6% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +422,361 | 0.3% |
| Jain Global LLC | Hedge Fund | 2026/Q3 | +411,465 | 0.3% |
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 |
|---|---|---|---|---|---|---|
| 1 Sep 2026 | Philippe Busque | Former Senior Vice President of Global Sales & Services | Intent to Sell (Form 144) | -31,666 | $4.63 | – |
| 17 Aug 2026 | Glenn Muir | Independent Director | Derivative Exercise and Retained | +3,086 | – | 3,086 |
| 17 Aug 2026 | Richard Chin | Independent Director | Derivative Exercise and Retained | +6,107 | – | 28,499 |
| 17 Aug 2026 | Michael Holder | Independent Director | Derivative Exercise and Retained | +2,181 | – | 62,875 |
| 17 Aug 2026 | William McCombe | Chief Financial Officer | Derivative Exercise and Sale | -11,904 | $4.67 | 134,693 |
| 17 Aug 2026 | William McCombe | Chief Financial Officer | Derivative Exercise and Retained | +23,516 | – | 134,693 |
| 17 Aug 2026 | Wenbin Jiang | Chairperson & CEO | Derivative Exercise and Sale | -36,269 | $4.67 | 5,561,029 |
| 17 Aug 2026 | Wenbin Jiang | Chairperson & CEO | Derivative Exercise and Retained | +83,826 | – | 5,561,029 |
| 17 Aug 2026 | Ming Yan | CTO & Director | Derivative Exercise and Sale | -8,088 | $4.67 | 4,821,870 |
| 17 Aug 2026 | Ming Yan | CTO & Director | Derivative Exercise and Retained | +25,182 | – | 4,821,870 |
| 9 Aug 2026 | Ilan Feuchtwang | Other Derivative Acquisition | +127,118 | $4.66 | 127,118 | |
| 9 Aug 2026 | Ilan Feuchtwang | Other Derivative Acquisition | +241,416 | – | 241,416 | |
| 11 Jun 2026 | Ming Yan | CTO & Director | Other Disposition | -135,892 | – | 4,796,688 |
| 9 Jun 2026 | Deborah Neff | Lead Independent Director | Other Derivative Acquisition | +18,261 | $4.05 | 18,261 |
| 9 Jun 2026 | Deborah Neff | Lead Independent Director | Other Derivative Acquisition | +33,333 | – | 33,333 |
| 9 Jun 2026 | Deborah Neff | Lead Independent Director | Derivative Exercise and Retained | +43,973 | – | 59,679 |
| 9 Jun 2026 | Glenn Muir | Independent Director | Other Derivative Acquisition | +29,835 | $4.05 | 29,835 |
| 9 Jun 2026 | Glenn Muir | Independent Director | Other Derivative Acquisition | +55,555 | – | 55,555 |
| 9 Jun 2026 | Jack Ball | Former Independent Director | Derivative Exercise and Retained | +43,973 | – | 86,678 |
| 9 Jun 2026 | Richard Chin | Independent Director | Other Derivative Acquisition | +18,261 | $4.05 | 18,261 |
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 | 4,409,745 | 3.4% | 2.7 |
| 30 Sep 2026 | 5,215,595 | 4.0% | 3.1 |
| 15 Sep 2026 | 5,242,079 | 4.0% | 5.7 |
| 31 Aug 2026 | 4,931,028 | 3.8% | 6.6 |
| 14 Aug 2026 | 4,989,610 | 3.8% | 5.1 |
| 31 Jul 2026 | 4,895,239 | 3.8% | 7.5 |
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