Arista网络 ANET
$170.80 +$11.64 (+7.31%)
休市 · Nov 7, 9:10 am ET · 最新盘后价 $170.80 0.00%
开盘$172.80
昨收$159.16
当日区间$167.00 – $173.60
成交量11.98M
市值$215.79B
市盈率（TTM）45.8
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72.8%-0.05 个百分点，较上季度
持仓机构数2,824+95 ，较上季度
内部人近期交易15次买入 / 35次卖出净卖出
空头持仓比例0.97% 占流通股回补天数 2.2 · 截至 15 Oct 2026
卖空成交量占比8.6%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：−$74.75M（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34.7%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基本持稳于0.97%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Assenagon Asset Management S.A. | Mutual Fund | 2026/Q3 | +1,343,263 | 0.3% |
| Swedbank Robur Fonder AB | Mutual Fund | 2026/Q3 | +856,623 | 0.6% |
| Capital Research | Mutual Fund | 2026/Q3 | +3,781,100 | 1.5% |
| Alyeska Investment Group, L.P. | Hedge Fund | 2026/Q3 | +3,165,387 | 0.3% |
| Columbia Management Investment Advisers, LLC | Mutual Fund | 2026/Q3 | +2,771,999 | 1.0% |
| MFS Investment Management | Mutual Fund | 2026/Q3 | +2,497,275 | 0.8% |
| J.P. Morgan Asset Management, Inc. | Mutual Fund | 2026/Q3 | +2,458,022 | 0.6% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +2,171,329 | 0.2% |
| Brown Advisory Incorporated | Mutual Fund | 2026/Q3 | +1,814,462 | 0.1% |
| Janus Henderson Group plc | Mutual Fund | 2026/Q3 | +1,605,200 | 0.5% |
| ClearBridge Investments, LLC | Mutual Fund | 2026/Q3 | +1,570,465 | 0.5% |
| Franklin Resources | Mutual Fund | 2026/Q3 | +1,518,278 | 0.6% |
| Winslow Capital Management, LLC | Mutual Fund | 2026/Q3 | +1,419,679 | 0.3% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +1,403,812 | 3.8% |
| Deutsche Bank Aktiengesellschaft | Public Company | 2026/Q3 | +1,369,998 | 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 |
|---|---|---|---|---|---|---|
| 19 Oct 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Automatic Disposition | -26,000 | $182.79 | 3,064,946 |
| 19 Oct 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Derivative Exercise and Sale | -17,333 | $182.79 | 3,064,946 |
| 8 Oct 2026 | Jayshree Ullal | CEO & Chairperson | Intent to Sell (Form 144) | -130,553 | $217.10 | – |
| 8 Oct 2026 | Jayshree Ullal | CEO & Chairperson | Automatic Disposition | -158,543 | $217.10 | 25,041,806 |
| 7 Oct 2026 | Jayshree Ullal | CEO & Chairperson | Intent to Sell (Form 144) | -27,990 | $7.28 | – |
| 6 Oct 2026 | Jayshree Ullal | CEO & Chairperson | Automatic Disposition | -96,992 | $217.14 | 25,200,349 |
| 5 Oct 2026 | Jayshree Ullal | CEO & Chairperson | Automatic Disposition | -460,374 | $213.06 | 25,297,341 |
| 5 Oct 2026 | Chantelle Breithaupt | Senior Vice President | Automatic Disposition | -1,224 | $215.00 | 68,697 |
| 30 Sep 2026 | Mark Templeton | Independent Director | Automatic Disposition | -5,000 | $206.03 | 123,610 |
| 24 Sep 2026 | Jayshree Ullal | CEO & Chairperson | Automatic Disposition | -62,622 | $211.40 | 25,757,715 |
| 20 Sep 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Automatic Disposition | -16,000 | $205.50 | 3,090,946 |
| 20 Sep 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Open Market Disposition | -10,000 | $205.50 | 3,090,946 |
| 20 Sep 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Derivative Exercise and Sale | -17,333 | $205.50 | 3,090,946 |
| 16 Sep 2026 | Andreas Bechtolsheim | Co-Founder & Chief Architect | Automatic Disposition | -300,000 | $204.31 | 180,543,048 |
| 9 Sep 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Other Acquisition | +57,232 | – | 3,116,946 |
| 9 Sep 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Other Disposition | -57,232 | – | 3,116,946 |
| 7 Sep 2026 | Mark Templeton | Independent Director | Automatic Disposition | -5,000 | $199.32 | 128,610 |
| 7 Sep 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Other Acquisition | +200,000 | – | 3,116,946 |
| 7 Sep 2026 | Kenneth Duda | Co-Founder, President, CTO & Director | Other Disposition | -200,000 | – | 3,116,946 |
| 31 Aug 2026 | Chantelle Breithaupt | Senior Vice President | Automatic Disposition | -612 | $195.77 | 69,921 |
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 | 12,206,661 | 1.0% | 2.2 |
| 30 Sep 2026 | 11,934,591 | 0.9% | 2.3 |
| 15 Sep 2026 | 13,245,323 | 1.1% | 3.0 |
| 31 Aug 2026 | 14,510,842 | 1.2% | 2.5 |
| 14 Aug 2026 | 12,873,977 | 1.0% | 1.4 |
| 31 Jul 2026 | 12,815,409 | 1.0% | 1.9 |
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