ARISTA NETWORKS INC ANET
COM SHS · Common Stock · CUSIP 040413205 · ISIN US0404132054
American technology company
- SectorTechnology
- IndustryComputer Communications Equipment
- HeadquartersSanta Clara, CA
- Founded2004
- Websitearista.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.2bn this quarter). Holder counts are more reliable. Shares outstanding: 1.3bn as of 2026-07-30, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $169.54. Options: 64 managers hold calls ($2.3bn notional), 61 hold puts ($2.5bn).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 1 |
| Q4 2022 | 1 |
| Q1 2023 | 1 |
| Q2 2023 | 1 |
| Q3 2023 | 1 |
| Q4 2023 | 2 |
| Q1 2024 | 1 |
| Q2 2024 | 1 |
| Q3 2024 | 1 |
| Q4 2024 | 1,513 |
| Q1 2025 | 1,565 |
| Q2 2025 | 1,653 |
| Q3 2025 | 1,873 |
| Q4 2025 | 1,978 |
| Q1 2026 | 2,023 |
| Q2 2026 | 2,243 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 0 | 0 |
| Q4 2024 | 1,383 | 0 |
| Q1 2025 | 928 | 692 |
| Q2 2025 | 897 | 720 |
| Q3 2025 | 987 | 779 |
| Q4 2025 | 966 | 846 |
| Q1 2026 | 1,050 | 888 |
| Q2 2026 | 1,294 | 849 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $3.1bn | $2.3bn | 0.73 |
| Q4 2025 | $2.1bn | $2.1bn | 0.99 |
| Q1 2026 | $1.4bn | $1.5bn | 1.11 |
| Q2 2026 | $2.3bn | $2.5bn | 1.06 |
Biggest buyers
| Capital World Investors | New | +3.7m |
| Alyeska Investment Group, L.P. | New | +3.2m |
| Assenagon Asset Management S.A. | Added | +3.1m |
| AMERIPRISE FINANCIAL INC | Added | +2.8m |
| T. Rowe Price Investment Management, Inc. | Added | +2.7m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Added | +2.5m |
| CITADEL ADVISORS LLC | Added | +2.2m |
| FRANKLIN RESOURCES INC | Added | +1.9m |
| BROWN ADVISORY INC | Added | +1.8m |
| Clearbridge Investments, LLC | Added | +1.6m |
Biggest sellers
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -6.1m |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | Reduced | -5.6m |
| FMR LLC | Reduced | -5.0m |
| TWO SIGMA INVESTMENTS, LP | Reduced | -2.8m |
| Invesco Ltd. | Reduced | -2.3m |
| AQR CAPITAL MANAGEMENT LLC | Reduced | -2.0m |
| Nuveen, LLC | Reduced | -1.9m |
| Amundi | Reduced | -1.8m |
| Capital Research Global Investors | Reduced | -1.6m |
| Point72 Asset Management, L.P. | Reduced | -1.4m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $572.9m3.4m shares |
| JANE STREET GROUP, LLC | Added | $383.8m2.3m shares |
| CITADEL ADVISORS LLC | Added | $283.6m1.7m shares |
| IMC-Chicago, LLC | Added | $264.9m1.6m shares |
| Walleye Trading LLC | Added | $178.4m1.1m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $152.6m898.1k shares |
| SIMPLEX TRADING, LLC | Added | $72.1m424.4k shares |
| GROUP ONE TRADING LLC | Added | $43.7m257.1k shares |
| Qube Research & Technologies Ltd | Reduced | $36.2m213.3k shares |
| Optiver Holding B.V. | Added | $36.2m213.1k shares |
Biggest puts
| JANE STREET GROUP, LLC | Added | $665.9m3.9m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $498.5m2.9m shares |
| CITADEL ADVISORS LLC | Added | $233.6m1.4m shares |
| IMC-Chicago, LLC | Added | $192.0m1.1m shares |
| MILLENNIUM MANAGEMENT LLC | Reduced | $86.5m508.9k shares |
| Walleye Trading LLC | Added | $85.5m503.5k shares |
| BARCLAYS PLC | Added | $76.1m448.2k shares |
| MARSHALL WACE, LLP | Added | $65.9m387.7k shares |
| GROUP ONE TRADING LLC | Added | $48.5m285.5k shares |
| Allianz Asset Management GmbH | Added | $45.3m266.5k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 6.2% |
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 6 | $62.9m | $62.9m |
| Q1 2025 | 0 | — | 7 | $74.6m | $74.6m |
| Q2 2025 | 0 | — | 5 | $130.9m | $130.9m |
| Q3 2025 | 0 | — | 4 | $893.6m | $893.6m |
| Q4 2025 | 0 | — | 4 | $28.6m | $28.6m |
| Q1 2026 | 0 | — | 4 | $26.9m | $26.9m |
| Q2 2026 | 0 | — | 6 | $248.8m | $248.8m |
| Q3 2026 | 0 | — | 6 | $474.2m | $474.2m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-25 | Ullal Jayshree CEO and Chairperson, director · by Trust | Sold plan | $9.5m44.7k shares |
| 2026-09-25 | Ullal Jayshree CEO and Chairperson, director · By Trust for Child 1 | Sold plan | $1.9m8.9k shares |
| 2026-09-25 | Ullal Jayshree CEO and Chairperson, director · By Trust for Child 2 | Sold plan | $1.9m8.9k shares |
| 2026-09-21 | Duda Kenneth President and CTO, director | Sold plan | $3.1m15.1k shares |
| 2026-09-21 | Duda Kenneth President and CTO, director · By Foundation | Sold plan | $2.8m14.0k shares |
| 2026-09-21 | Duda Kenneth President and CTO, director | Sold plan | $2.5m12.0k shares |
| 2026-09-21 | Duda Kenneth President and CTO, director | Sold plan | $452.1k2.2k shares |
| 2026-09-17 | BECHTOLSHEIM ANDREAS 10% owner · by Trust | Sold plan | $59.7m300.0k shares |
| 2026-09-08 | TEMPLETON MARK B Director | Sold plan | $985.8k5.0k shares |
| 2026-09-01 | Breithaupt Chantelle Yvette Senior Vice President, CFO | Sold plan | $119.8k612 shares |
| 2026-08-27 | BECHTOLSHEIM ANDREAS 10% owner · by Trust | Sold plan | $60.8m300.0k shares |
| 2026-08-25 | Ullal Jayshree CEO and Chairperson, director | Sold plan | $2.6m13.8k shares |
| 2026-08-21 | Battles Kelly Bodnar Director | Sold plan | $79.1k422 shares |
| 2026-08-20 | Duda Kenneth President and CTO, director · by Trust | Sold plan | $3.1m16.8k shares |
| 2026-08-20 | Duda Kenneth President and CTO, director | Sold plan | $1.8m9.9k shares |
| 2026-08-20 | Duda Kenneth President and CTO, director · By Foundation | Sold plan | $1.7m9.2k shares |
| 2026-08-20 | Duda Kenneth President and CTO, director | Sold plan | $1.4m7.4k shares |
| 2026-08-12 | Ullal Jayshree CEO and Chairperson, director · by Trust | Sold plan | $83.1m399.4k shares |
| 2026-08-12 | Ullal Jayshree CEO and Chairperson, director · By Trust for Child 1 | Sold plan | $17.2m82.6k shares |
| 2026-08-12 | Ullal Jayshree CEO and Chairperson, director · By Trust for Child 2 | Sold plan | $17.2m82.6k shares |
| 2026-08-12 | Ullal Jayshree CEO and Chairperson, director · By Trust for Nephew | Sold plan | $933.3k4.5k shares |
| 2026-08-12 | Ullal Jayshree CEO and Chairperson, director · By Trust for Niece | Sold plan | $933.3k4.5k shares |
| 2026-08-06 | BECHTOLSHEIM ANDREAS 10% owner | Sold plan | $57.8m300.0k shares |
| 2026-08-06 | BECHTOLSHEIM ANDREAS 10% owner | Sold plan | $21.6m111.8k shares |
| 2026-08-05 | Ullal Jayshree CEO and Chairperson, director · by Trust | Sold plan | $154.3m767.0k shares |
| 2026-08-05 | BECHTOLSHEIM ANDREAS 10% owner · by Trust | Sold plan | $61.0m300.0k shares |
| 2026-08-05 | Ullal Jayshree CEO and Chairperson, director · By Trust for Child 2 | Sold plan | $33.3m165.7k shares |
| 2026-08-05 | Ullal Jayshree CEO and Chairperson, director · By Trust for Child 1 | Sold plan | $33.3m165.7k shares |
| 2026-08-05 | Ullal Jayshree CEO and Chairperson, director · By Trust for Nephew | Sold plan | $103.8k516 shares |
| 2026-08-05 | Ullal Jayshree CEO and Chairperson, director · By Trust for Niece | Sold plan | $103.8k516 shares |
The latest 30 of 84 trades.
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.23% of their portfolio | 91.4m $15.5bn | Reduced -523.8k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.25% of their portfolio | 68.7m $11.7bn | Added +418.1k |
| STATE STREET CORP 0.24% of their portfolio | 48.2m $8.2bn | Added +1.4m |
| FMR LLC 0.35% of their portfolio | 47.3m $8.0bn | Reduced -5.0m |
| GEODE CAPITAL MANAGEMENT, LLC 0.25% of their portfolio | 27.5m $4.7bn | Added +276.5k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.20% of their portfolio | 25.8m $4.4bn | Reduced -30.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.39% of their portfolio | 23.2m $3.9bn | Reduced -6.1m |
| MORGAN STANLEY 0.18% of their portfolio | 19.7m $3.3bn | Added +1.2m |
| Cresset Asset Management, LLC 11.98% of their portfolio | 19.4m $3.3bn | Reduced -1.3m |
| Capital Research Global Investors 0.31% of their portfolio | 13.2m $2.2bn | Reduced -1.6m |
| AMERIPRISE FINANCIAL INC 0.44% of their portfolio | 12.8m $2.2bn | Added +2.8m |
| NORGES BANK 0.21% of their portfolio | 12.2m $2.1bn | Not comparable |
| JPMORGAN CHASE & CO 0.11% of their portfolio | 11.7m $1.9bn | Added +1.2m |
| Nuveen, LLC 0.44% of their portfolio | 10.7m $1.8bn | Reduced -1.9m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.32% of their portfolio | 10.5m $1.8bn | Reduced -158.7k |
| NORTHERN TRUST CORP 0.20% of their portfolio | 10.1m $1.7bn | Reduced -4.1k |
| FRANKLIN RESOURCES INC 0.37% of their portfolio | 9.9m $1.7bn | Added +1.9m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.54% of their portfolio | 9.7m $1.7bn | Added +2.5m |
| GOLDMAN SACHS GROUP INC 0.17% of their portfolio | 9.6m $1.6bn | Reduced -491.2k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 1.16% of their portfolio | 9.6m $1.6bn | Reduced -134.9k |
| DEUTSCHE BANK AG\ 0.46% of their portfolio | 9.4m $1.6bn | Added +388.4k |
| WELLINGTON MANAGEMENT GROUP LLP 0.25% of their portfolio | 8.4m $1.4bn | Added +470.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.19% of their portfolio | 8.2m $1.4bn | Added +587.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.57% of their portfolio | 7.6m $1.3bn | Reduced -843.1k |
| Amundi 0.30% of their portfolio | 7.3m $1.2bn | Reduced -1.8m |
| Legal & General Group Plc 0.25% of their portfolio | 7.1m $1.2bn | Reduced -414.1k |
| BANK OF AMERICA CORP /DE/ 0.07% of their portfolio | 6.5m $1.1bn | Added +538.2k |
| Jupiter Topco LLC 0.45% of their portfolio | 6.5m $1.1bn | First filing |
| Swedbank AB 0.92% of their portfolio | 6.3m $1.1bn | Reduced -133.7k |
| UBS Group AG 0.17% of their portfolio | 6.3m $1.1bn | Added +684.2k |
| Clearbridge Investments, LLC 0.84% of their portfolio | 6.0m $1.0bn | Added +1.6m |
| VANGUARD FIDUCIARY TRUST CO 0.22% of their portfolio | 6.0m $1.0bn | Reduced -19.6k |
| AQR CAPITAL MANAGEMENT LLC 0.35% of their portfolio | 5.9m $1.0bn | Reduced -2.0m |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.65% of their portfolio | 5.6m $954.6m | Unchanged |
| Bank of New York Mellon Corp 0.15% of their portfolio | 5.4m $911.2m | Reduced -71.5k |
| Point72 Asset Management, L.P. 1.33% of their portfolio | 5.1m $873.1m | Reduced -1.4m |
| T. Rowe Price Investment Management, Inc. 0.57% of their portfolio | 5.1m $870.0m | Added +2.7m |
| ROYAL BANK OF CANADA 0.14% of their portfolio | 5.0m $850.3m | Added +284.9k |
| WELLS FARGO & COMPANY/MN 0.14% of their portfolio | 4.8m $815.3m | Added +240.4k |
| Invesco Ltd. 0.06% of their portfolio | 4.7m $802.5m | Reduced -2.3m |
| Pictet Asset Management Holding SA 0.76% of their portfolio | 4.7m $791.1m | Added +417.9k |
| FIRST TRUST ADVISORS LP 0.46% of their portfolio | 4.6m $780.0m | Added +263.5k |
| Assenagon Asset Management S.A. 0.46% of their portfolio | 4.1m $703.9m | Added +3.1m |
| Capital World Investors 0.07% of their portfolio | 3.7m $629.8m | New |
| Robeco Institutional Asset Management B.V. 0.76% of their portfolio | 3.7m $621.0m | Reduced -255.0k |
| Winslow Capital Management, LLC 2.04% of their portfolio | 3.5m $592.0m | Added +1.4m |
| NORDEA INVESTMENT MANAGEMENT AB 0.47% of their portfolio | 3.4m $580.7m | Reduced -619.9k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.58% of their portfolio | 3.4m $581.8m | Added +277.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.13% of their portfolio | 3.3m $557.4m | Added +60.3k |
| Alyeska Investment Group, L.P. 1.38% of their portfolio | 3.2m $537.7m | New |
| National Pension Service 0.34% of their portfolio | 3.1m $521.3m | Added +57.4k |
| Swiss National Bank 0.27% of their portfolio | 3.0m $511.7m | Reduced -128.9k |
| HSBC HOLDINGS PLC 0.24% of their portfolio | 2.9m $489.3m | Added +37.4k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.37% of their portfolio | 2.8m $470.4m | Reduced -5.6m |
| CITADEL ADVISORS LLC 0.26% of their portfolio | 2.7m $458.4m | Added +2.2m |
| DSM CAPITAL PARTNERS LLC 7.66% of their portfolio | 2.6m $447.1m | Reduced -54.6k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.24% of their portfolio | 2.6m $438.0m | Added +205.9k |
| Polar Capital Holdings Plc 1.22% of their portfolio | 2.5m $430.0m | Added +300.1k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.23% of their portfolio | 2.5m $420.5m | Added +313.3k |
| Sumitomo Mitsui Trust Group, Inc. 0.23% of their portfolio | 2.3m $394.7m | Reduced -1.5k |
| CITIGROUP INC 0.18% of their portfolio | 2.3m $384.8m | Added +788.7k |
| California Public Employees Retirement System 0.21% of their portfolio | 2.2m $379.5m | Added +85.8k |
| Vanguard Global Advisers, LLC 0.18% of their portfolio | 2.2m $378.6m | Reduced -30.4k |
| BARCLAYS PLC 0.12% of their portfolio | 2.2m $377.6m | Added +17.4k |
| BRISTOL JOHN W & CO INC /NY/ 5.52% of their portfolio | 2.2m $373.2m | Reduced -95.8k |
| APG Asset Management N.V. 0.79% of their portfolio | 2.2m $323.1m | Reduced -357.9k |
| DIMENSIONAL FUND ADVISORS LP 0.07% of their portfolio | 2.1m $364.3m | Added +9.6k |
| Allianz Asset Management GmbH 0.27% of their portfolio | 2.1m $261.8m | Added +176.3k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.23% of their portfolio | 2.0m $345.7m | Added +239.8k |
| VOYA INVESTMENT MANAGEMENT LLC 0.28% of their portfolio | 1.9m $321.6m | Reduced -758.3k |
| CAPITAL COUNSEL LLC/NY 12.47% of their portfolio | 1.9m $319.0m | Reduced -99.2k |
| ACADIAN ASSET MANAGEMENT LLC 0.38% of their portfolio | 1.9m $316.8m | Reduced -237.6k |
| FIL Ltd 0.23% of their portfolio | 1.9m $315.0m | Added +1.2m |
| BROWN ADVISORY INC 0.48% of their portfolio | 1.8m $312.5m | Added +1.8m |
| DISCIPLINED GROWTH INVESTORS INC /MN 5.14% of their portfolio | 1.8m $303.8m | Reduced -22.7k |
| RHUMBLINE ADVISERS 0.23% of their portfolio | 1.8m $300.9m | Reduced -8.9k |
| Thrivent Financial for Lutherans 0.48% of their portfolio | 1.7m $284.6m | Added +114.6k |
| NEUBERGER BERMAN GROUP LLC 0.19% of their portfolio | 1.7m $281.4m | Added +488.5k |
| BNP PARIBAS FINANCIAL MARKETS 0.14% of their portfolio | 1.6m $276.7m | Reduced -449.1k |
| RAYMOND JAMES FINANCIAL INC 0.07% of their portfolio | 1.6m $276.5m | Added +252.1k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.25% of their portfolio | 1.6m $272.8m | Added +14.5k |
| BLAIR WILLIAM & CO/IL 0.71% of their portfolio | 1.6m $272.6m | Added +453.5k |
| LPL Financial LLC 0.06% of their portfolio | 1.6m $272.4m | Added +183.8k |
| SEI INVESTMENTS CO 0.24% of their portfolio | 1.6m $272.2m | Added +983.8k |
| Allspring Global Investments Holdings, LLC 0.41% of their portfolio | 1.6m $267.0m | Reduced -255.5k |
| BANK OF MONTREAL /CAN/ 0.10% of their portfolio | 1.6m $263.8m | Added +251.3k |
| TD Asset Management Inc 0.23% of their portfolio | 1.5m $260.1m | Reduced -446.5k |
| TCW GROUP INC 1.75% of their portfolio | 1.5m $260.1m | Reduced -44.2k |
| Russell Investments Group, Ltd. 0.23% of their portfolio | 1.5m $257.2m | Reduced -168.4k |
| ALLIANCEBERNSTEIN L.P. 0.06% of their portfolio | 1.5m $185.7m | Added +63.8k |
| FEDERATED HERMES, INC. 0.37% of their portfolio | 1.5m $255.4m | Added +254.7k |
| Caisse de depot et placement du Quebec 0.36% of their portfolio | 1.5m $252.0m | Reduced -428.5k |
| Capital International Investors 0.05% of their portfolio | 1.5m $250.0m | New |
| Rockefeller Capital Management L.P. 0.37% of their portfolio | 1.4m $243.7m | Added +39.4k |
| PRINCIPAL FINANCIAL GROUP INC 0.11% of their portfolio | 1.4m $233.8m | Reduced -149.6k |
| Life Cycle Investment Partners Ltd 1.08% of their portfolio | 1.4m $232.0m | Added +11.3k |
| Vontobel Holding Ltd. 0.77% of their portfolio | 1.4m $230.1m | Added +883.2k |
| Tidal Investments LLC 0.56% of their portfolio | 1.4m $229.4m | Added +123.5k |
| AMERICAN CENTURY COMPANIES INC 0.10% of their portfolio | 1.3m $226.8m | Reduced -106.1k |
| AVIVA PLC 0.33% of their portfolio | 1.3m $225.6m | Added +408.6k |