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 ($732.1m this quarter). Holder counts are more reliable. Shares outstanding: 1.3bn as of 2026-04-30, 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 ≈ $122.59. Options: 59 managers hold calls ($1.4bn notional), 50 hold puts ($1.5bn).
Trends to Q1 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 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 0 | 1 |
| 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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $2.0bn | $1.8bn | 0.93 |
| Q3 2025 | $3.1bn | $2.3bn | 0.73 |
| Q4 2025 | $2.1bn | $2.1bn | 0.99 |
| Q1 2026 | $1.4bn | $1.5bn | 1.11 |
Biggest buyers
| FMR LLC | Added | +13.3m |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | Added | +4.7m |
| Clearbridge Investments, LLC | Added | +2.9m |
| GOLDMAN SACHS GROUP INC | Added | +2.7m |
| T. Rowe Price Investment Management, Inc. | New | +2.4m |
| TWO SIGMA INVESTMENTS, LP | Added | +2.1m |
| Pictet Asset Management Holding SA | Added | +2.0m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Added | +1.8m |
| JANUS HENDERSON GROUP PLC | Added | +1.5m |
| JONES FINANCIAL COMPANIES LLLP | Added | +1.3m |
Biggest sellers
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -7.8m |
| BlackRock, Inc. | Reduced | -3.5m |
| HSBC HOLDINGS PLC | Reduced | -2.7m |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | -1.8m |
| Holocene Advisors, LP | Sold out | -1.8m |
| Assenagon Asset Management S.A. | Reduced | -1.8m |
| TWO SIGMA ADVISERS, LP | Sold out | -1.5m |
| Qube Research & Technologies Ltd | Sold out | -1.4m |
| JPMORGAN CHASE & CO | Reduced | -1.1m |
| Point72 Asset Management, L.P. | Reduced | -1.0m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $354.2m2.9m shares |
| JANE STREET GROUP, LLC | Added | $197.2m1.6m shares |
| CITADEL ADVISORS LLC | Reduced | $195.6m1.6m shares |
| IMC-Chicago, LLC | Reduced | $159.9m1.3m shares |
| Walleye Trading LLC | Added | $104.6m851.9k shares |
| UBS Group AG | Added | $60.5m493.0k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $49.7m404.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $48.9m398.4k shares |
| Qube Research & Technologies Ltd | Reduced | $35.2m286.4k shares |
| Point72 Asset Management, L.P. | Reduced | $18.4m149.6k shares |
Biggest puts
| JANE STREET GROUP, LLC | Added | $374.6m3.1m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $298.4m2.4m shares |
| CITADEL ADVISORS LLC | Reduced | $165.1m1.3m shares |
| MILLENNIUM MANAGEMENT LLC | Added | $125.2m1.0m shares |
| IMC-Chicago, LLC | Reduced | $96.4m785.4k shares |
| Parallax Volatility Advisers, L.P. | Added | $48.6m395.5k shares |
| Walleye Trading LLC | Reduced | $46.7m380.6k shares |
| HRT FINANCIAL LP | Added | $37.9m308.5k shares |
| Caption Management, LLC | Added | $36.5m297.5k shares |
| Qube Research & Technologies Ltd | Reduced | $33.8m275.6k 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 in Q1 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 |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 8 | $103.7m | $99.0m |
| Q3 2024 | 0 | — | 6 | $63.2m | $63.2m |
| 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 |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-03-17 | Duda Kenneth President and CTO, director | Sold plan | $4.0m30.0k shares |
| 2026-03-17 | Duda Kenneth President and CTO, director · By Foundation | Sold plan | $2.0m15.0k shares |
| 2026-03-17 | Duda Kenneth President and CTO, director | Sold plan | $1.5m11.0k shares |
| 2026-03-17 | Duda Kenneth President and CTO, director | Sold plan | $273.7k2.0k shares |
| 2026-03-16 | Wassenaar Yvonne Director | Sold plan | $187.4k1.4k shares |
| 2026-03-02 | Giancarlo Charles H Director · by Trust | Sold plan | $1.0m8.0k shares |
| 2026-02-25 | Wassenaar Yvonne Director | Sold plan | $240.4k1.8k shares |
| 2026-02-23 | Battles Kelly Bodnar Director | Sold plan | $54.0k422 shares |
| 2026-02-17 | Duda Kenneth President and CTO, director | Sold plan | $4.6m32.0k shares |
| 2026-02-17 | Duda Kenneth President and CTO, director · By Childrens' Trust | Sold plan | $2.3m16.0k shares |
| 2026-02-17 | Duda Kenneth President and CTO, director · By Foundation | Sold plan | $1.4m10.0k shares |
| 2026-02-02 | Giancarlo Charles H Director · by Trust | Sold plan | $1.1m8.0k shares |
| 2026-01-20 | Duda Kenneth President and CTO, director | Sold plan | $3.5m27.6k shares |
| 2026-01-20 | Duda Kenneth President and CTO, director · By Foundation | Sold plan | $1.9m14.7k shares |
| 2026-01-20 | Duda Kenneth President and CTO, director | Sold plan | $1.5m11.3k shares |
| 2026-01-20 | Duda Kenneth President and CTO, director | Sold plan | $312.7k2.4k shares |
| 2026-01-02 | Giancarlo Charles H Director · by Trust | Sold plan | $1.1m8.0k shares |
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, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.20% of their portfolio | 91.9m $11.3bn | Reduced -3.5m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.21% of their portfolio | 68.3m $8.4bn | First filing |
| FMR LLC 0.34% of their portfolio | 52.3m $6.4bn | Added +13.3m |
| STATE STREET CORP 0.20% of their portfolio | 46.8m $5.7bn | Reduced -208.7k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.42% of their portfolio | 29.3m $3.6bn | Reduced -7.8m |
| GEODE CAPITAL MANAGEMENT, LLC 0.21% of their portfolio | 27.2m $3.3bn | Added +781.7k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.17% of their portfolio | 25.8m $3.2bn | First filing |
| Cresset Asset Management, LLC 11.00% of their portfolio | 20.7m $2.5bn | Reduced -1.4k |
| MORGAN STANLEY 0.14% of their portfolio | 18.5m $2.3bn | Added +325.3k |
| Capital Research Global Investors 0.28% of their portfolio | 14.8m $1.8bn | Reduced -540.6k |
| Nuveen, LLC 0.42% of their portfolio | 12.6m $1.5bn | Added +412.7k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.27% of their portfolio | 10.6m $1.3bn | Added +1.1m |
| JPMORGAN CHASE & CO 0.08% of their portfolio | 10.5m $1.2bn | Reduced -1.1m |
| NORTHERN TRUST CORP 0.16% of their portfolio | 10.1m $1.2bn | Reduced -7.8k |
| GOLDMAN SACHS GROUP INC 0.16% of their portfolio | 10.1m $1.2bn | Added +2.7m |
| AMERIPRISE FINANCIAL INC 0.28% of their portfolio | 10.0m $1.2bn | Added +209.2k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.93% of their portfolio | 9.8m $1.1bn | Added +1.0m |
| Amundi 0.30% of their portfolio | 9.1m $1.1bn | Added +491.2k |
| DEUTSCHE BANK AG\ 0.36% of their portfolio | 9.0m $1.1bn | Reduced -338.3k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.56% of their portfolio | 8.5m $1.0bn | Reduced -942.3k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.93% of their portfolio | 8.3m $1.0bn | Added +4.7m |
| FRANKLIN RESOURCES INC 0.24% of their portfolio | 8.1m $988.9m | Added +175.6k |
| WELLINGTON MANAGEMENT GROUP LLP 0.18% of their portfolio | 8.0m $978.6m | Reduced -197.9k |
| AQR CAPITAL MANAGEMENT LLC 0.44% of their portfolio | 8.0m $950.2m | Added +604.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.14% of their portfolio | 7.6m $938.8m | Added +193.5k |
| Legal & General Group Plc 0.21% of their portfolio | 7.5m $916.6m | Reduced -523.4k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.31% of their portfolio | 7.2m $926.9m | Added +1.8m |
| Invesco Ltd. 0.08% of their portfolio | 7.0m $858.7m | Reduced -618.9k |
| Point72 Asset Management, L.P. 1.40% of their portfolio | 6.5m $803.7m | Reduced -1.0m |
| Swedbank AB 0.83% of their portfolio | 6.4m $791.8m | Reduced -916.2k |
| BANK OF AMERICA CORP /DE/ 0.05% of their portfolio | 6.0m $737.5m | Added +75.8k |
| VANGUARD FIDUCIARY TRUST CO 0.19% of their portfolio | 6.0m $735.0m | First filing |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.54% of their portfolio | 5.6m $689.9m | Unchanged |
| UBS Group AG 0.12% of their portfolio | 5.6m $689.6m | Added +846.6k |
| Bank of New York Mellon Corp 0.12% of their portfolio | 5.4m $667.4m | Reduced -143.3k |
| JANUS HENDERSON GROUP PLC 0.29% of their portfolio | 4.9m $599.2m | Added +1.5m |
| ROYAL BANK OF CANADA 0.11% of their portfolio | 4.7m $579.6m | Added +144.2k |
| WELLS FARGO & COMPANY/MN 0.11% of their portfolio | 4.6m $559.7m | Added +406.5k |
| Clearbridge Investments, LLC 0.47% of their portfolio | 4.4m $544.8m | Added +2.9m |
| FIRST TRUST ADVISORS LP 0.38% of their portfolio | 4.3m $531.4m | Added +526.4k |
| Pictet Asset Management Holding SA 0.55% of their portfolio | 4.2m $520.2m | Added +2.0m |
| NORDEA INVESTMENT MANAGEMENT AB 0.45% of their portfolio | 4.1m $480.8m | Added +42.6k |
| Robeco Institutional Asset Management B.V. 0.68% of their portfolio | 3.9m $480.1m | Added +258.5k |
| TWO SIGMA INVESTMENTS, LP 0.38% of their portfolio | 3.8m $461.4m | Added +2.1m |
| ENVESTNET ASSET MANAGEMENT INC 0.11% of their portfolio | 3.2m $395.4m | Added +299.3k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.45% of their portfolio | 3.1m $386.4m | Added +163.8k |
| Swiss National Bank 0.22% of their portfolio | 3.1m $385.7m | Added +213.7k |
| National Pension Service 0.28% of their portfolio | 3.0m $369.8m | Reduced -931 |
| HSBC HOLDINGS PLC 0.21% of their portfolio | 2.8m $348.9m | Reduced -2.7m |
| DSM CAPITAL PARTNERS LLC 5.83% of their portfolio | 2.7m $329.9m | Reduced -96.3k |
| VOYA INVESTMENT MANAGEMENT LLC 0.34% of their portfolio | 2.7m $325.5m | Added +300.9k |
| APG Asset Management N.V. 0.86% of their portfolio | 2.5m $269.9m | Reduced -20.3k |
| T. Rowe Price Investment Management, Inc. 0.20% of their portfolio | 2.4m $296.1m | New |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.20% of their portfolio | 2.4m $291.3m | Added +156.1k |
| Sumitomo Mitsui Trust Group, Inc. 0.18% of their portfolio | 2.3m $285.5m | Reduced -119.4k |
| BRISTOL JOHN W & CO INC /NY/ 4.63% of their portfolio | 2.3m $281.5m | Reduced -36.5k |
| Vanguard Global Advisers, LLC 0.15% of their portfolio | 2.3m $277.3m | First filing |
| Polar Capital Holdings Plc 1.20% of their portfolio | 2.2m $273.9m | Added +986.3k |
| BARCLAYS PLC 0.10% of their portfolio | 2.2m $270.8m | Added +129.6k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.17% of their portfolio | 2.2m $265.5m | Reduced -41.6k |
| California Public Employees Retirement System 0.16% of their portfolio | 2.1m $263.8m | Reduced -111.9k |
| DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio | 2.1m $262.1m | Added +45.7k |
| ACADIAN ASSET MANAGEMENT LLC 0.37% of their portfolio | 2.1m $258.2m | Added +578.2k |
| BNP PARIBAS FINANCIAL MARKETS 0.17% of their portfolio | 2.1m $255.1m | Added +240.1k |
| Winslow Capital Management, LLC 0.99% of their portfolio | 2.1m $253.6m | Added +168.8k |
| TD Asset Management Inc 0.20% of their portfolio | 2.0m $242.8m | Reduced -100.6k |
| CAPITAL COUNSEL LLC/NY 10.33% of their portfolio | 2.0m $242.7m | Reduced -29.4k |
| Man Group plc 0.49% of their portfolio | 1.9m $236.1m | Reduced -335.0k |
| Caisse de depot et placement du Quebec 0.38% of their portfolio | 1.9m $234.7m | Reduced -3.2k |
| Allianz Asset Management GmbH 0.27% of their portfolio | 1.9m $230.6m | Added +68.9k |
| Allspring Global Investments Holdings, LLC 0.39% of their portfolio | 1.9m $231.9m | Reduced -90.8k |
| DISCIPLINED GROWTH INVESTORS INC /MN 4.55% of their portfolio | 1.8m $222.4m | Reduced -137.8k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.19% of their portfolio | 1.8m $220.4m | First filing |
| RHUMBLINE ADVISERS 0.19% of their portfolio | 1.8m $218.6m | Reduced -16.0k |
| NATIXIS ADVISORS, LLC 0.30% of their portfolio | 1.8m $218.3m | Added +242.9k |
| CONGRESS ASSET MANAGEMENT CO 1.52% of their portfolio | 1.7m $212.8m | Reduced -25.4k |
| Russell Investments Group, Ltd. 0.22% of their portfolio | 1.7m $205.7m | Reduced -237.3k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.21% of their portfolio | 1.6m $195.4m | Reduced -35.4k |
| TCW GROUP INC 1.46% of their portfolio | 1.6m $193.4m | Added +336.5k |
| 1832 Asset Management L.P. 0.25% of their portfolio | 1.6m $191.9m | Added +854.5k |
| Thrivent Financial for Lutherans 0.37% of their portfolio | 1.6m $191.7m | Added +1.1m |
| PRINCIPAL FINANCIAL GROUP INC 0.10% of their portfolio | 1.5m $187.4m | Added +54.3k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.73% of their portfolio | 1.5m $186.2m | Added +47.7k |
| CITIGROUP INC 0.12% of their portfolio | 1.5m $181.3m | Added +163.6k |
| ALLIANCEBERNSTEIN L.P. 0.06% of their portfolio | 1.4m $189.8m | Added +22.2k |
| AMERICAN CENTURY COMPANIES INC 0.09% of their portfolio | 1.4m $176.9m | Reduced -906.3k |
| LPL Financial LLC 0.05% of their portfolio | 1.4m $174.3m | Added +159.4k |
| PANAGORA ASSET MANAGEMENT INC 0.65% of their portfolio | 1.4m $174.3m | Reduced -51.5k |
| Rockefeller Capital Management L.P. 0.30% of their portfolio | 1.4m $171.3m | Added +100.2k |
| RAYMOND JAMES FINANCIAL INC 0.05% of their portfolio | 1.4m $168.6m | Added +144.6k |
| JONES FINANCIAL COMPANIES LLLP 0.08% of their portfolio | 1.4m $165.4m | Added +1.3m |
| Life Cycle Investment Partners Ltd 1.06% of their portfolio | 1.4m $166.3m | Added +95.9k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.36% of their portfolio | 1.3m $164.2m | Reduced -25.1k |
| Bridgewater Associates, LP 0.73% of their portfolio | 1.3m $163.3m | Added +649 |
| VICTORY CAPITAL MANAGEMENT INC 0.10% of their portfolio | 1.3m $160.7m | Reduced -19.1k |
| BANK OF MONTREAL /CAN/ 0.07% of their portfolio | 1.3m $159.8m | Reduced -114.2k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.14% of their portfolio | 1.3m $159.0m | Added +90.4k |
| Handelsbanken Fonder AB 0.52% of their portfolio | 1.3m $157.0m | Added +135.9k |
| WORLDQUANT MILLENNIUM ADVISORS LLC 0.59% of their portfolio | 1.3m $153.6m | Added +843.5k |
| FEDERATED HERMES, INC. 0.25% of their portfolio | 1.2m $153.3m | Added +50.0k |