西部数据 WDC
$263.78 −$3.85 (-1.44%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $265.95 +0.82%
开盘$287.00
昨收$267.63
当日区间$258.61 – $288.00
成交量12.13M
市值$98.74B
市盈率（TTM）10.2
股息率0.21%
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88.0%-8.75 个百分点，较上季度
持仓机构数2,119-51 ，较上季度
内部人近期交易10次买入 / 33次卖出净卖出
空头持仓比例5.20% 占流通股回补天数 1.9 · 截至 15 Oct 2026
卖空成交量占比5.7%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：−$44.02M（11个净流入日，9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31.8%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7.14%降至5.20%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Capital Research | Mutual Fund | 2026/Q3 | +6,079,627 | 5.7% |
| Exchange Traded Concepts, LLC | Mutual Fund | 2026/Q3 | +1,738,509 | 0.5% |
| Invesco Ltd. | Mutual Fund | 2026/Q3 | +1,540,277 | 0.7% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +1,017,740 | 0.3% |
| Qube Research & Technologies Ltd | Mutual Fund | 2026/Q3 | +915,929 | 0.2% |
| Teachers Insurance and Annuity Association-College Retirement Equities Fund | Mutual Fund | 2026/Q3 | +911,762 | 1.0% |
| Wellington Management Group | Mutual Fund | 2026/Q3 | +830,157 | 0.2% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +810,849 | 4.3% |
| Tairen Capital Limited | Hedge Fund | 2026/Q3 | +699,180 | 0.4% |
| Trivest Advisors Ltd | Hedge Fund | 2026/Q3 | +637,600 | 0.3% |
| Clear Street LLC | Private Company | 2026/Q3 | +577,142 | 0.2% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +546,756 | 6.5% |
| Strategic Advisers LLC | Mutual Fund | 2026/Q3 | +476,817 | 0.5% |
| National Bank Investments Inc. | Mutual Fund | 2026/Q3 | +474,815 | 0.2% |
| Putnam LLC | Mutual Fund | 2026/Q3 | +446,858 | 0.1% |
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 |
|---|---|---|---|---|---|---|
| 20 Oct 2026 | Cynthia Tregillis | Executive Vice President | Automatic Disposition | -807 | $380.00 | 108,928 |
| 19 Oct 2026 | Cynthia Tregillis | Executive Vice President | Sale to Issuer | -1,295 | $364.32 | 108,928 |
| 19 Oct 2026 | Cynthia Tregillis | Executive Vice President | Derivative Exercise and Sale | -14 | $364.32 | 108,928 |
| 19 Sep 2026 | Brian Davis | Executive VP and Chief Sales & Marketing Officer | Sale to Issuer | -954 | $441.36 | 99,491 |
| 19 Sep 2026 | Brian Davis | Executive VP and Chief Sales & Marketing Officer | Derivative Exercise and Sale | -8 | $441.36 | 99,491 |
| 19 Sep 2026 | Tiang Yew Tan | Chief Executive Officer | Sale to Issuer | -1,034 | $441.36 | 587,113 |
| 19 Sep 2026 | Tiang Yew Tan | Chief Executive Officer | Derivative Exercise and Sale | -56 | $441.36 | 587,113 |
| 16 Sep 2026 | Tunc Doluca | Independent Director | Other Derivative Acquisition | +0 | – | 3 |
| 16 Sep 2026 | Matthew Massengill | Independent Director | Other Derivative Acquisition | +10 | – | 121 |
| 16 Sep 2026 | Stephanie Streeter | Lead Independent Director | Other Derivative Acquisition | +0 | – | 3 |
| 16 Sep 2026 | Brian Davis | Executive VP and Chief Sales & Marketing Officer | Other Derivative Acquisition | +16 | – | 174 |
| 16 Sep 2026 | Bruce Kiddoo | Independent Director | Other Derivative Acquisition | +0 | – | 3 |
| 16 Sep 2026 | Martin Cole | Independent Chairperson | Other Derivative Acquisition | +0 | – | 3 |
| 16 Sep 2026 | Kimberly Alexy | Independent Director | Other Derivative Acquisition | +0 | – | 3 |
| 16 Sep 2026 | Kris A. Sennesael | Chief Financial Officer | Other Derivative Acquisition | +46 | – | 491 |
| 16 Sep 2026 | Roxanne Oulman | Independent Director | Other Derivative Acquisition | +0 | – | 3 |
| 16 Sep 2026 | Ahmed Shihab | Chief Product Officer | Sale to Issuer | -5,094 | $423.87 | 158,608 |
| 16 Sep 2026 | Ahmed Shihab | Chief Product Officer | Derivative Exercise and Sale | -56 | $423.87 | 158,608 |
| 16 Sep 2026 | Ahmed Shihab | Chief Product Officer | Other Derivative Acquisition | +42 | – | 453 |
| 16 Sep 2026 | Brad Feller | Chief Accounting Officer | Other Derivative Acquisition | +4 | – | 17 |
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 | 19,446,763 | 5.2% | 1.9 |
| 30 Sep 2026 | 18,293,625 | 5.1% | 2.5 |
| 15 Sep 2026 | 17,280,387 | 4.8% | 3.1 |
| 31 Aug 2026 | 19,887,791 | 5.5% | 3.1 |
| 14 Aug 2026 | 20,281,115 | 5.9% | 2.3 |
| 31 Jul 2026 | 24,599,617 | 7.1% | 3.2 |
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