ANET Q3 2026 Revenue $3.66 billion, Beat Guidance by +$360.0M
ANET beat prior Q3 2026 Revenue guidance by +$360.0M. Revenue grew 58.5% year-over-year, the highest growth rate since the company's IPO. Non-GAAP operating margin was 49.1%, exceeding the guided midpoint of 48.5%. For Q4 2026, the company expects revenue of $3.9-4.0 billion, non-GAAP operating margin of 48-49%, and non-GAAP diluted EPS of $1.26-$1.30.
Guidance comparison
Forward guidance
Key takeaways
Revenue of $3.66 billion in Q3 2026 beat guidance midpoint of approximately $3.3 billion by $360 million (+10.9%)
Non-GAAP diluted EPS of $1.20 beat guidance midpoint of $1.07 by $0.13 (+12.1%)
Non-GAAP operating margin of 49.1% exceeded guided midpoint of 48.5% by 0.6 percentage points
Revenue growth of 58.5% YoY was the highest since the company's IPO
Q4 2026 guidance: Revenue $3.9-4.0 billion, non-GAAP operating margin 48-49%, non-GAAP diluted EPS $1.26-$1.30
Arista was added to the S&P 100 index in September 2026
Launched open Ethernet rack-scale architectures for AI networks in partnership with AMD, Arm, Broadcom, d-Matrix, Meta, Microsoft, and Qualcomm
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