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Arista Arista Networks, Inc.
+4.88 (+2.47%)202.42USD2.8M成交股數255B市值64.1本益比(近四季)24.2股價營收比+37.7%營收年增(近四季)2026-11-03下次財報
內部人交易 SEC Form 4 · 董事、高階主管與持股 10% 以上股東 · 交易後兩個營業日內申報
買賣點與股價近一年
● 公開市場買進 · ● 公開市場賣出 · 空心 = 10b5-1 預設計畫(事先排程,不代表當下看法)。近一年,只畫 P / S 兩種代碼。
統計
| 近 90 天 買進筆數 · 金額 · 人數 | 0 · 0.00 · 0 |
|---|---|
| 近 90 天 賣出筆數 · 金額 · 人數 | 266 · 869M · 7 |
| 其中 10b5-1 計畫賣出 | 266 筆 |
| 近 180 天 買進 · 賣出金額 | 0.00 · 1.3B |
| 近 180 天 淨額 | −1.3B |
公開市場買進(P)是內部人自掏腰包,通常比賣出更有資訊含量 —— 賣出的理由很多(繳稅、分散、買房),買進的理由只有一個。
10b5-1 是事先排定的交易計畫,執行時點不反映當下看法。獲配股票(A)、繳稅扣股(F)、選擇權執行(M)是薪酬流程,不是意見。
| 交易日 | 申報日 | 申報人 | 職稱 | 代碼 | 股數 | 價格 | 金額 | 交易後持股 | 原件 |
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-10 | 09-14 | Duda Kenneth | President and CTO | J 其他 | 28.6K | – | – | 692K | SEC |
| 2026-09-10 | 09-14 | Duda Kenneth | President and CTO | J 其他 | 28.6K | – | – | 691K | SEC |
| 2026-09-10 | 09-14 | Duda Kenneth | President and CTO | J 其他 | 57.2K | – | – | 81.9K | SEC |
| 2026-09-08 | 09-10 | TEMPLETON MARK B | Director | S 公開市場賣出(10b5-1) | 700 | 196.20 | 137K | 56.4K | SEC |
| 2026-09-08 | 09-10 | TEMPLETON MARK B | Director | S 公開市場賣出(10b5-1) | 1.3K | 195.27 | 254K | 57.1K | SEC |
| 2026-09-08 | 09-10 | Duda Kenneth | President and CTO | J 其他 | 100K | – | – | 721K | SEC |
| 2026-09-08 | 09-10 | TEMPLETON MARK B | Director | S 公開市場賣出(10b5-1) | 1.0K | 197.46 | 197K | 55.4K | SEC |
| 2026-09-08 | 09-10 | Duda Kenneth | President and CTO | J 其他 | 200K | – | – | 24.7K | SEC |
| 2026-09-08 | 09-10 | TEMPLETON MARK B | Director | S 公開市場賣出(10b5-1) | 300 | 199.32 | 60K | 53.4K | SEC |
| 2026-09-08 | 09-10 | Duda Kenneth | President and CTO | J 其他 | 100K | – | – | 719K | SEC |
| 2026-09-08 | 09-10 | TEMPLETON MARK B | Director | S 公開市場賣出(10b5-1) | 1.7K | 198.44 | 337K | 53.7K | SEC |
| 2026-09-01 | 09-03 | Breithaupt Chantelle Yvette | Senior Vice President, CFO | S 公開市場賣出(10b5-1) | 612 | 195.77 | 120K | 69.9K | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 102K | – | – | 225K | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 42.9K | – | – | 662K | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 42.9K | – | – | 619K | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 85.9K | – | – | 1.2M | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 42.9K | – | – | 664K | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 51.2K | – | – | 707K | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 85.9K | – | – | 1.1M | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 51.2K | – | – | 705K | SEC |
| 2026-08-28 | 09-01 | Duda Kenneth | President and CTO | J 其他 | 42.9K | – | – | 621K | SEC |
| 2026-08-27 | 08-31 | BECHTOLSHEIM ANDREAS | TenPercentOwner | S 公開市場賣出(10b5-1) | 73.8K | 202.71 | 15.0M | 181M | SEC |
| 2026-08-27 | 08-31 | BECHTOLSHEIM ANDREAS | TenPercentOwner | S 公開市場賣出(10b5-1) | 64.5K | 204.82 | 13.2M | 181M | SEC |
| 2026-08-27 | 08-31 | BECHTOLSHEIM ANDREAS | TenPercentOwner | S 公開市場賣出(10b5-1) | 5.6K | 205.45 | 1.2M | 181M | SEC |
| 2026-08-27 | 08-31 | BECHTOLSHEIM ANDREAS | TenPercentOwner | S 公開市場賣出(10b5-1) | 20.9K | 203.69 | 4.2M | 181M | SEC |
| 2026-08-27 | 08-31 | BECHTOLSHEIM ANDREAS | TenPercentOwner | S 公開市場賣出(10b5-1) | 15.1K | 199.91 | 3.0M | 181M | SEC |
| 2026-08-27 | 08-31 | BECHTOLSHEIM ANDREAS | TenPercentOwner | S 公開市場賣出(10b5-1) | 50.1K | 200.81 | 10.1M | 181M | SEC |
| 2026-08-27 | 08-31 | BECHTOLSHEIM ANDREAS | TenPercentOwner | S 公開市場賣出(10b5-1) | 70.1K | 201.74 | 14.1M | 181M | SEC |
| 2026-08-25 | 08-27 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 400 | 192.64 | 77K | 9.9K | SEC |
| 2026-08-25 | 08-27 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 3.3K | 191.10 | 627K | 20.4K | SEC |
| 2026-08-25 | 08-27 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 10.1K | 191.99 | 1.9M | 10.3K | SEC |
| 2026-08-21 | 08-25 | Battles Kelly Bodnar | Director | S 公開市場賣出(10b5-1) | 35 | 186.93 | 7K | 10.4K | SEC |
| 2026-08-21 | 08-25 | Battles Kelly Bodnar | Director | S 公開市場賣出(10b5-1) | 64 | 185.61 | 12K | 10.5K | SEC |
| 2026-08-21 | 08-25 | Battles Kelly Bodnar | Director | S 公開市場賣出(10b5-1) | 70 | 184.77 | 13K | 10.5K | SEC |
| 2026-08-21 | 08-25 | Battles Kelly Bodnar | Director | S 公開市場賣出(10b5-1) | 213 | 188.69 | 40K | 10.2K | SEC |
| 2026-08-21 | 08-25 | Battles Kelly Bodnar | Director | S 公開市場賣出(10b5-1) | 40 | 187.77 | 8K | 10.4K | SEC |
| 2026-08-20 | 08-24 | Giancarlo Charles H | Director | M 選擇權執行 | 538 | – | – | 1.5K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | F 繳稅扣股 | 15.5K | 186.45 | 2.9M | 122K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | M 選擇權執行 | 1.4K | – | – | 138K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | M 選擇權執行 | 1.8K | – | – | 117K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | M 選擇權執行 | 4.1K | – | – | 115K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | M 選擇權執行 | 3.9K | – | – | 111K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 3.8K | 186.13 | 705K | 453K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 3.3K | 185.18 | 614K | 457K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 2.4K | 184.33 | 446K | 460K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 754 | 186.97 | 141K | 1.0M | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 6.1K | 186.13 | 1.1M | 1.0M | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 5.3K | 185.18 | 983K | 1.0M | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 3.9K | 184.33 | 714K | 1.0M | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 818 | 186.97 | 153K | 13.0K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 6.6K | 186.13 | 1.2M | 13.8K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 5.8K | 185.18 | 1.1M | 20.4K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 4.2K | 184.33 | 774K | 26.1K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | S 公開市場賣出(10b5-1) | 472 | 186.97 | 88K | 452K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | M 選擇權執行 | 4.0K | 14.15 | 57K | 30.3K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | M 選擇權執行 | 13.3K | 15.28 | 204K | 26.3K | SEC |
| 2026-08-20 | 08-24 | CHEW LEWIS | Director | M 選擇權執行 | 538 | – | – | 31.8K | SEC |
| 2026-08-20 | 08-24 | Duda Kenneth | President and CTO | M 選擇權執行 | 19.8K | – | – | 137K | SEC |
| 2026-08-20 | 08-24 | Breithaupt Chantelle Yvette | Senior Vice President, CFO | F 繳稅扣股 | 6.1K | 186.45 | 1.1M | 70.5K | SEC |
| 2026-08-20 | 08-24 | Breithaupt Chantelle Yvette | Senior Vice President, CFO | M 選擇權執行 | 1.4K | – | – | 76.7K | SEC |
| 2026-08-20 | 08-24 | Breithaupt Chantelle Yvette | Senior Vice President, CFO | M 選擇權執行 | 10.9K | – | – | 75.3K | SEC |
| 2026-08-20 | 08-24 | Lavender Robert G | Director | M 選擇權執行 | 538 | – | – | 4.6K | SEC |
| 2026-08-20 | 08-24 | Battles Kelly Bodnar | Director | M 選擇權執行 | 538 | – | – | 10.6K | SEC |
| 2026-08-20 | 08-24 | Ullal Jayshree | CEO and Chairperson | F 繳稅扣股 | 13.9K | 186.45 | 2.6M | 23.7K | SEC |
| 2026-08-20 | 08-24 | Ullal Jayshree | CEO and Chairperson | M 選擇權執行 | 27.7K | – | – | 37.6K | SEC |
| 2026-08-20 | 08-24 | TEMPLETON MARK B | Director | M 選擇權執行 | 538 | – | – | 58.4K | SEC |
| 2026-08-20 | 08-24 | Scheinman Daniel | Director | M 選擇權執行 | 538 | – | – | 159K | SEC |
| 2026-08-20 | 08-24 | Nightingale Todd | President and COO | F 繳稅扣股 | 63.5K | 186.45 | 11.8M | 69.5K | SEC |
| 2026-08-20 | 08-24 | Nightingale Todd | President and COO | M 選擇權執行 | 10.4K | – | – | 133K | SEC |
| 2026-08-20 | 08-24 | Wassenaar Yvonne | Director | M 選擇權執行 | 538 | – | – | 10.3K | SEC |
| 2026-08-20 | 08-24 | Nightingale Todd | President and COO | M 選擇權執行 | 117K | – | – | 123K | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 24.3K | 208.29 | 5.1M | 4.9M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 9.1K | 210.97 | 1.9M | 5.0M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 417 | 211.37 | 88K | 5.0M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 47.0K | 207.43 | 9.8M | 4.9M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 24.3K | 208.29 | 5.1M | 4.9M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 1.7K | 209.15 | 350K | 5.0M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 1.7K | 209.15 | 350K | 5.0M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 9.1K | 210.97 | 1.9M | 5.0M | SEC |
| 2026-08-12 | 08-14 | Ullal Jayshree | CEO and Chairperson | S 公開市場賣出(10b5-1) | 417 | 211.37 | 88K | 5.0M | SEC |
機構持股(13F) 管理規模 1 億美元以上的機構,每季末後 45 天內申報 · 最新 2026-06-30
前 25 大持有機構季末市值 · 與前一季股數比較
| 機構 | 持股 | 季末市值 | 股數季變化 | 動作 |
|---|---|---|---|---|
| BlackRock, Inc. | 91.4M | 15.5B | 新進 | 新進 |
| VANGUARD CAPITAL MANAGEMENT LLC | 68.7M | 11.7B | 新進 | 新進 |
| STATE STREET CORP | 48.2M | 8.2B | 新進 | 新進 |
| FMR LLC | 47.3M | 8.0B | 新進 | 新進 |
| GEODE CAPITAL MANAGEMENT, LLC | 27.5M | 4.7B | 新進 | 新進 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 25.8M | 4.4B | 新進 | 新進 |
| MORGAN STANLEY | 19.7M | 3.3B | 新進 | 新進 |
| Cresset Asset Management, LLC | 19.4M | 3.3B | 新進 | 新進 |
| Capital Research Global Investors | 13.2M | 2.2B | 新進 | 新進 |
| AMERIPRISE FINANCIAL INC | 12.8M | 2.2B | 新進 | 新進 |
| 挪威主權基金 NORGES BANK | 12.2M | 2.1B | 新進 | 新進 |
| JPMORGAN CHASE & CO | 11.7M | 1.9B | 新進 | 新進 |
| Nuveen, LLC | 10.7M | 1.8B | 新進 | 新進 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 10.5M | 1.8B | 新進 | 新進 |
| NORTHERN TRUST CORP | 10.1M | 1.7B | 新進 | 新進 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 9.7M | 1.7B | 新進 | 新進 |
| FRANKLIN RESOURCES INC | 9.9M | 1.7B | 新進 | 新進 |
| GOLDMAN SACHS GROUP INC | 9.6M | 1.6B | 新進 | 新進 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 9.6M | 1.6B | 新進 | 新進 |
| DEUTSCHE BANK AG\ | 9.4M | 1.6B | 新進 | 新進 |
| PeakShares LLC | 9.3K | 1.6B | 新進 | 新進 |
| WELLINGTON MANAGEMENT GROUP LLP | 8.4M | 1.4B | 新進 | 新進 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 8.2M | 1.4B | 新進 | 新進 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 7.6M | 1.3B | 新進 | 新進 |
| Amundi | 7.3M | 1.2B | 新進 | 新進 |
持有機構數近 12 季
每季 13F 申報中持有本股的機構家數;綠柱 = 比上季少。機構數是「有多少人在船上」,不是「買了多少」。
| 持有機構 · 季變化 | 2,244 +220 |
|---|---|
| 新進 / 出清 / 加碼 / 減碼 | 2244 / 0 / 0 / 0 |
| 機構合計持股 · 佔流通股 | 900M · 71.4% |
| 合計季末市值 | 147B |
13F 只申報多頭部位(含可轉債與選擇權,選擇權這裡已排除),不申報放空,也不申報 1 億美元以下的機構。同一集團多個申報主體會各算一家。
放空餘額 FINRA 每月兩次(15 日與月底結算)· 最新 2026-08-31
空單佔流通股近 13 個月
FINRA 每月兩次結算的空單餘額佔流通股數的比例,近 13 個月。滑到柱子看股數與回補天數。
最新一期
| 空單股數 | 14.5M |
|---|---|
| 與上期比 | +12.7% |
| 佔流通股數 | 1.15% |
| 日均成交量 | 5.7M |
| 回補天數 | 2.5 天 |
空單佔比 10% 以上算高、20% 以上算很高(這是通行的說法,不是本站的判斷)。回補天數 = 空單 ÷ 日均量,天數愈長,空方要出場時愈容易推升股價。
放空餘額是「有人借股票賣掉還沒還」的存量,不代表看空的人正在加碼;避險基金做多空配對時也會產生空單。
| 結算日 | 空單股數 | 與上期比 | 佔流通股 | 日均量 | 回補天數 |
|---|---|---|---|---|---|
| 2026-08-31 | 14.5M | +12.7% | 1.15% | 5.7M | 2.5 |
| 2026-08-14 | 12.9M | +0.5% | 1.02% | 9.2M | 1.4 |
| 2026-07-31 | 12.8M | -35.6% | 1.02% | 6.6M | 1.9 |
| 2026-07-15 | 19.9M | -8.1% | 1.58% | 8.9M | 2.2 |
| 2026-06-30 | 21.6M | +7.1% | 1.72% | 8.8M | 2.5 |
| 2026-06-15 | 20.2M | -5.0% | 1.60% | 7.8M | 2.6 |
| 2026-05-29 | 21.3M | +1.8% | 1.69% | 10.1M | 2.1 |
| 2026-05-15 | 20.9M | +13.6% | 1.66% | 16.1M | 1.3 |
| 2026-04-30 | 18.4M | +6.1% | 1.46% | 7.3M | 2.5 |
| 2026-04-15 | 17.3M | +2.3% | 1.37% | 6.6M | 2.6 |
| 2026-03-31 | 16.9M | +10.2% | 1.34% | 6.9M | 2.4 |
| 2026-03-13 | 15.4M | +2.8% | 1.22% | 6.2M | 2.5 |
| 2026-02-27 | 14.9M | +17.3% | 1.18% | 8.1M | 1.8 |
| 2026-02-13 | 12.7M | -0.2% | 1.01% | 10.6M | 1.2 |
| 2026-01-30 | 12.8M | -8.9% | 1.01% | 8.4M | 1.5 |
| 2026-01-15 | 14.0M | -1.8% | 1.11% | 8.1M | 1.7 |
| 2025-12-31 | 14.3M | -4.8% | 1.13% | 5.5M | 2.6 |
| 2025-12-15 | 15.0M | +4.4% | 1.19% | 6.0M | 2.5 |
| 2025-11-28 | 14.4M | +4.9% | 1.14% | 10.2M | 1.4 |
| 2025-11-14 | 13.7M | +9.3% | 1.09% | 9.8M | 1.4 |
| 2025-10-31 | 12.5M | -2.1% | 0.99% | 6.1M | 2.0 |
| 2025-10-15 | 12.8M | +9.9% | 1.01% | 9.6M | 1.3 |
| 2025-09-30 | 11.6M | -7.1% | 0.92% | 8.1M | 1.4 |
| 2025-09-15 | 12.5M | -0.0% | 0.99% | 11.0M | 1.1 |
| 2025-08-29 | 12.5M | -0.1% | 0.99% | 7.3M | 1.7 |
| 2025-08-15 | 12.5M | -30.2% | 0.99% | 11.0M | 1.1 |