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Ciena vs Fabrinet: CIEN and FN compared

Ciena is the larger company: $1.7B of revenue in its latest quarter (Q3 FY26) against $1.5B for Fabrinet (Q1 FY27). Fabrinet is growing faster (+51% against +37% a year earlier). Ciena is more profitable, with an operating margin of 18.0% against 9.9%.

Ciena vs Fabrinet, latest quarterCiena vs Fabrinet, latest quarterCiena (CIEN)Fabrinet (FN)Revenue$1.7B$1.5BRevenue growth, Y/Y+37%+51%Gross margin45.4%11.8%Operating margin18.0%9.9%Net margin15.9%7.0%

Where the money goes: CIEN and FN

Ciena (CIEN) · Q3 FY26

Ciena, Q3 FY26: revenue $1.7B (+37% year over year), operating margin 18.0%, net earnings $266M, operating cash flow $196M. The chart follows the revenue to costs, profit and cash.

Fabrinet (FN) · Q1 FY27

Fabrinet, Q1 FY27: revenue $1.5B (+51% year over year), operating margin 9.9%, net earnings $103M, operating cash flow $21.3M. The chart follows the revenue to costs, profit and cash.

Ciena revenue by segment, Q3 FY26Ciena revenue by segment, Q3 FY26Products$1.4BRouting and Switching$164MPlatform Software and Services$98.7MAdvisory and Enablement$15.9M
Fabrinet revenue by segment, Q1 FY27Fabrinet revenue by segment, Q1 FY27Data center$777MCommunications infrastructure$444MAutomotive, Industrial and Others$253M
Ciena (CIEN)Fabrinet (FN)
Latest quarterQ3 FY26Q1 FY27
Revenue$1.7B$1.5B
Revenue growth, Y/Y+37%+51%
Gross margin45.4%11.8%
Operating margin18.0%9.9%
Net earnings$266M$103M
Net margin15.9%7.0%
Operating cash flow$196M$21.3M
Free cash flow$116M—
Market value$35.3B$11.8B
P/E54.0×24.5×
Analysts’ mean target$512.99$564.44

Where the revenue comes from

Ciena

Fabrinet

Questions

Which is bigger, Ciena or Fabrinet?

Ciena is the larger company: $1.7B of revenue in its latest quarter (Q3 FY26) against $1.5B for Fabrinet (Q1 FY27).

Is Ciena or Fabrinet growing faster?

Fabrinet is growing faster (+51% against +37% a year earlier).

Which is more profitable, Ciena or Fabrinet?

Ciena is more profitable, with an operating margin of 18.0% against 9.9%.

More: Ciena earnings · how Ciena makes money · Fabrinet earnings · how Fabrinet makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Sep 3, 2026; 10-Q filed Nov 3, 2026). Fiscal quarters can end on different dates. Not investment advice.