Arista Networks vs Ciena
Arista Networks is the larger business, with $9.01bn of revenue in fiscal 2025 against $4.77bn for Ciena (1.9 times as much). Arista Networks grew faster (28.6% against 18.8%). Arista Networks kept more of each dollar of sales as profit: a net margin of 39.0% against 2.6%. Arista Networks carries less debt relative to equity (0.0% against 56.3%).
| Latest fiscal year | Arista NetworksANET, 2025 | CienaCIEN, 2025 |
|---|---|---|
| Revenue | $9.01bn | $4.77bn |
| Revenue growth | 28.6% | 18.8% |
| Net income | $3.51bn | $123m |
| Operating margin | 42.8% | 4.1% |
| Net margin | 39.0% | 2.6% |
| Return on equity | 31.4% | 4.4% |
| Free cash flow | $4.25bn | $665m |
| Cash | $1.96bn | $1.09bn |
| Total debt | $0 | $1.54bn |
| Debt to equity | 0.0% | 56.3% |
| Dividend per share | — | — |
| Dividend yield | — | — |
| Share buybacks | $1.60bn | $335m |
| Employees | 5,115 | 9,080 |
| Market value | $212.08bn | $42.31bn |
| Price vs our value range | Within our value range | Above our value range |
| Moat score | 80 (Strong) | 71 (Strong) |
| Insider trades, 12 months | 0 buys, 538 sales | 0 buys, 90 sales |