Arista Networks, Inc. Q3 2026 Earnings Recap

Arista’s shares rose 5.0% after earnings, as Q3 revenue of $3.66 billion and 58.5% year-over-year growth led the company’s public-market history. Management also pointed to more than 100 Etherlink customers, though the transcript excerpt does not include the full outlook or financial details.

Key Takeaways

• Q3 revenue was $3.66 billion, up 58.5% year over year.
• Management said this was Arista’s largest year-over-year revenue growth since becoming a public company.
• Arista reported more than 100 Etherlink customers, compared with an initial AI customer base of 4–5 customers.
• Scale-up trials are expected to begin in 2027, with production expected in 2028.
• The excerpt does not provide Q4 guidance, full profitability figures, or the remainder of management’s forecast.