股票 › XERS
塞里斯制药 XERS
美股市值排名 #2532
$15.20 +$2.12 (+16.21%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $15.15 -0.33%
开盘$13.79
昨收$13.08
当日区间$13.53 – $15.21
成交量7.90M
市值$2.78B
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61.5%-3.60 个百分点，较上季度
持仓机构数281+0 ，较上季度
内部人近期交易18次买入 / 32次卖出净卖出
空头持仓比例4.40% 占流通股回补天数 3.3 · 截至 15 Oct 2026
卖空成交量占比15.7%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：−$8.84M（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22.2%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5.34%降至4.40%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Kevin McCulloch | Individual/Insider | 2026/Q3 | +379,945 | 0.9% |
| Vilga Financial Planning LLC | Mutual Fund | 2026/Q3 | +1,060,000 | 0.6% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +487,824 | 1.3% |
| BlackRock | Mutual Fund | 2026/Q3 | +1,579,754 | 8.0% |
| Teachers Insurance and Annuity Association-College Retirement Equities Fund | Mutual Fund | 2026/Q3 | +1,418,088 | 2.3% |
| Dimensional Fund Advisors | Mutual Fund | 2026/Q3 | +1,024,976 | 0.6% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +839,120 | 0.5% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +699,259 | 0.4% |
| Walleye Capital LLC | Hedge Fund | 2026/Q3 | +611,296 | 0.3% |
| Algert Global LLC | Hedge Fund | 2026/Q3 | +585,984 | 1.0% |
| Federated Hermes, Inc. | Mutual Fund | 2026/Q3 | +577,620 | 0.8% |
| Bank of America Corporation | Public Company | 2026/Q3 | +522,653 | 0.8% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +484,978 | 0.3% |
| Perceptive Advisors LLC | VC/PE Fund | 2026/Q3 | +467,013 | 0.3% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +449,843 | 4.7% |
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 | Beth Hecht | Chief Legal Officer | Automatic Disposition | -16,666 | $9.41 | 616,504 |
| 30 Sep 2026 | Kevin McCulloch | President | Automatic Disposition | -15,000 | $9.41 | 1,624,208 |
| 30 Sep 2026 | Steven Pieper | Chief Financial Officer | Automatic Disposition | -5,000 | $9.41 | 922,734 |
| 27 Sep 2026 | Kevin McCulloch | President | Automatic Disposition | -25,000 | $10.00 | 1,639,208 |
| 31 Aug 2026 | Beth Hecht | Chief Legal Officer | Automatic Disposition | -16,666 | $8.49 | 633,170 |
| 31 Aug 2026 | Kevin McCulloch | President | Automatic Disposition | -15,000 | $8.49 | 1,664,208 |
| 31 Aug 2026 | Steven Pieper | Chief Financial Officer | Automatic Disposition | -5,000 | $8.50 | 927,734 |
| 11 Aug 2026 | Steven Pieper | Chief Financial Officer | Automatic Disposition | -5,000 | $8.50 | 932,734 |
| 2 Aug 2026 | Beth Hecht | Chief Legal Officer | Automatic Disposition | -16,666 | $8.01 | 649,836 |
| 2 Aug 2026 | Kevin McCulloch | President | Automatic Disposition | -15,000 | $8.02 | 1,701,126 |
| 31 Jul 2026 | John Shannon | Chairperson & CEO | Sale to Issuer | -36,645 | $8.08 | 1,553,830 |
| 31 Jul 2026 | Kevin McCulloch | President | Sale to Issuer | -21,918 | $8.08 | 1,679,208 |
| 6 Jul 2026 | Steven Pieper | Chief Financial Officer | Intent to Sell (Form 144) | -27,600 | $8.37 | – |
| 6 Jul 2026 | Steven Pieper | Chief Financial Officer | Automatic Disposition | -45,000 | $8.52 | 937,734 |
| 5 Jul 2026 | Steven Pieper | Chief Financial Officer | Intent to Sell (Form 144) | -17,400 | $8.28 | – |
| 30 Jun 2026 | Beth Hecht | Chief Legal Officer | Automatic Disposition | -16,666 | $8.03 | 666,502 |
| 30 Jun 2026 | Nerissa Kreher | Independent Director | Other Acquisition | +33,582 | – | 33,582 |
| 30 Jun 2026 | Nerissa Kreher | Independent Director | Other Derivative Acquisition | +37,910 | $8.00 | 37,910 |
| 30 Jun 2026 | Kevin McCulloch | President | Automatic Disposition | -90,000 | $8.03 | 1,716,126 |
| 3 Jun 2026 | Garheng Albert Kong | Independent Non-Executive Director | Other Acquisition | +24,193 | – | 24,193 |
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 | 8,027,654 | 4.4% | 3.3 |
| 30 Sep 2026 | 7,202,379 | 4.0% | 1.7 |
| 15 Sep 2026 | 8,058,977 | 4.4% | 4.8 |
| 31 Aug 2026 | 8,041,258 | 4.4% | 5.5 |
| 14 Aug 2026 | 8,728,856 | 4.8% | 4.4 |
| 31 Jul 2026 | 9,221,405 | 5.3% | 6.8 |
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