vs
Side-by-side financial comparison of CIENA CORP (CIEN) and MILLICOM INTERNATIONAL CELLULAR SA (TIGO). Click either name above to swap in a different company.
Ciena Corporation is an American optical networking systems and software company based in Hanover, Maryland. The company has been described as a vital player in optical connectivity. The company reported revenues of $4.8 billion and more than 9,000 employees, as of November 2025. Gary Smith serves as president and chief executive officer (CEO).
Millicom International Cellular SA is a Luxembourgish fixed line and mobile telecommunications services provider operating in Latin America operating under the Tigo brand. Its main shareholder is Xavier Niel, a French billionaire who owns 40% of the company.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q3 25 | $1.2B | — | ||
| Q2 25 | $1.1B | — | ||
| Q1 25 | $1.1B | — | ||
| Q4 24 | $1.1B | — | ||
| Q3 24 | $942.3M | — | ||
| Q2 24 | $910.8M | — | ||
| Q1 24 | $1.0B | — | ||
| Q4 23 | $1.1B | — |
| Q3 25 | $50.3M | — | ||
| Q2 25 | $9.0M | — | ||
| Q1 25 | $44.6M | — | ||
| Q4 24 | $37.0M | — | ||
| Q3 24 | $14.2M | — | ||
| Q2 24 | $-16.8M | — | ||
| Q1 24 | $49.5M | — | ||
| Q4 23 | $91.2M | — |
| Q3 25 | 41.3% | — | ||
| Q2 25 | 40.2% | — | ||
| Q1 25 | 44.0% | — | ||
| Q4 24 | 40.9% | — | ||
| Q3 24 | 42.9% | — | ||
| Q2 24 | 42.7% | — | ||
| Q1 24 | 45.0% | — | ||
| Q4 23 | 43.1% | — |
| Q3 25 | 6.0% | — | ||
| Q2 25 | 2.9% | — | ||
| Q1 25 | 7.5% | — | ||
| Q4 24 | 5.3% | — | ||
| Q3 24 | 2.8% | — | ||
| Q2 24 | -0.4% | — | ||
| Q1 24 | 8.2% | — | ||
| Q4 23 | 8.1% | — |
| Q3 25 | 4.1% | — | ||
| Q2 25 | 0.8% | — | ||
| Q1 25 | 4.2% | — | ||
| Q4 24 | 3.3% | — | ||
| Q3 24 | 1.5% | — | ||
| Q2 24 | -1.8% | — | ||
| Q1 24 | 4.8% | — | ||
| Q4 23 | 8.1% | — |
| Q3 25 | $0.35 | — | ||
| Q2 25 | $0.06 | — | ||
| Q1 25 | $0.31 | — | ||
| Q4 24 | $0.26 | — | ||
| Q3 24 | $0.10 | — | ||
| Q2 24 | $-0.12 | — | ||
| Q1 24 | $0.34 | — | ||
| Q4 23 | $0.62 | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
