ANET · News · 20261104N

Operating Expense Trends

Arista Networks, Inc. · 2026-11-04 · Importance 58 · Surprise 56 · From source text

Q3 FY2026 operating expenses were $545.3 million, or 14.9% of revenue, compared with $411 million in the prior quarter. R&D expense rose to $408.5 million from $278.1 million sequentially, an increase of about 47%. Sales and marketing expense was $110.9 million, or 3% of revenue, down from 3.6% in the prior quarter; G&A was $25.9 million, up from $23.1 million.

Key facts

• Q3 FY2026 operating expenses were $545.3 million, or 14.9% of revenue, up from $411 million in the prior quarter. source
• Q3 FY2026 R&D expense was $408.5 million, or 11.2% of revenue, up from $278.1 million in the prior quarter. source
• Q3 FY2026 Sales & Marketing expense was $110.9 million, or 3% of revenue, down from 3.6% in the prior quarter. source
• Q3 FY2026 G&A expense was $25.9 million, or 0.7% of revenue, up slightly from $23.1 million in the prior quarter. source

Impact estimates