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Gross Margin Drivers

Arista Networks, Inc. · 2026-08-08 · Importance 37 · Surprise 56

Arista Networks' gross margin declined 220 basis points year over year in Q2 2026. The decline was attributed to customer mix, indicating that faster growth among certain large customers or product categories diluted the margin rate. The margin pressure occurred despite Q2 revenue increasing 37.7% year over year to $3.036 billion. Gross-margin performance remains material because the reported decline is approximately 2.2 percentage points on quarterly revenue above $3 billion.

Key facts

• Arista said gross margin dipped 220 basis points due to customer mix (as reported in Seeking Alpha commentary). source