Filing Flows › Arista Networks (ANET) › Q4 2025
Arista Networks (ANET) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Feb 17, 2026
Arista Networks (ANET) reported revenue of $2.5B for the fourth quarter 2025 (Q4 2025), +29% from a year earlier and +8% from the quarter before. Operating margin was 41.5%, net earnings $956M (38.4% of revenue).
Arista Networks, Q4 2025: revenue $2.5B (+29% year over year), operating margin 41.5%, net earnings $956M, operating cash flow $1.3B. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $2.5B | +8% | +29% |
| Gross profit | $1.6B | +5% | +27% |
| Operating profit | $1.0B | +6% | +29% |
| Net earnings | $956M | +12% | +19% |
| Operating cash flow | $1.3B | -0.5% | +22% |
| Free cash flow | $1.2B | -1% | +20% |
What changed
Revenue was $2.5B in Q4 2025, up 29% year over year and up 8% from the previous quarter. Product was the largest line at 84% of revenue.
Gross margin was 62.9%, down 0.9 points from a year earlier. Operating profit was $1.0B, a 41.5% margin (up 0.1 points year over year). Of the extra revenue versus a year earlier, 42% reached operating profit, above the 41% margin then. Operating expenses grew 23% against revenue growth of 29%. The fastest-growing cost line was Sales & marketing (+25%). Net earnings were $1.0B, up 19% year over year. The effective tax rate was 16.0%.
Operating cash flow was $1.3B (up 22% year over year), 132% of net earnings. Non-cash charges added back $0.02B of depreciation and amortization and $0.13B of share-based compensation. Working capital and other items added $0.15B. Capital expenditures of $0.04B left free cash flow of $1.2B.
Questions
What was Arista Networks' revenue in the fourth quarter 2025?
Arista Networks (ANET) reported revenue of $2.5B for the fourth quarter 2025 (Q4 2025), +29% from a year earlier and +8% from the quarter before.
Was Arista Networks profitable in the fourth quarter 2025?
Operating profit was $1.0B (41.5% of revenue) and net earnings $956M.
Source: Arista Networks 10-K on SEC EDGAR.