ADTRAN vs Ciena: revenue, profit, margins and growth compared
ADTRAN brought in $1.1B of revenue in fiscal 2025, Ciena $4.8B in fiscal 2025. Revenue changed by +17.5% at ADTRAN and +18.8% at Ciena on the year before, so Ciena grew faster. ADTRAN kept -4.2% of its revenue as net profit, Ciena 2.6%. Free cash flow was $98M at ADTRAN and $665.3M at Ciena.
Fiscal years as each company reports them; the two may end in different months.
Questions about ADTRAN and Ciena
Which is bigger by revenue, ADTRAN or Ciena?
Ciena is bigger by revenue: $4.8B in fiscal 2025, against $1.1B for ADTRAN in fiscal 2025.
Which keeps more of its revenue as profit, ADTRAN or Ciena?
ADTRAN had a net margin of -4.2% in fiscal 2025; Ciena had 2.6% in fiscal 2025.
Which grew revenue faster, ADTRAN or Ciena?
In their latest fiscal years revenue changed by +17.5% at ADTRAN and +18.8% at Ciena.
Where do these numbers come from?
From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.