The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Ciena is the larger company, worth $61.0B, about 1.7 times Ubiquiti Networks.
  • Ciena grew revenue faster over the last year (+37.0% vs +23.5%).
  • Ubiquiti Networks keeps more of each dollar of revenue as operating profit (36.2% vs 12.3%).
  • On earnings, Ubiquiti Networks is the cheaper stock (37.2x vs 278.4x).
  • Ciena's price assumes faster free cash flow growth: about 25% a year, against 14% for Ubiquiti Networks (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureCIENUI
Market cap$61.0B$34.9B
Share price$449.77$657.29
Revenue (last fiscal year)$4.8B$3.3B
Free cash flow (last fiscal year)$665M$909M
Revenue growth, last year+37.0%+23.5%
Revenue growth per year, last 5 fiscal years+7.1%+17.9%
Operating margin12.3%36.2%
Net margin10.9%29.3%
Return on equity21.4%66.7%
P/E (trailing)278.4x37.2x
Price / free cash flow91.7x55.7x
EV / EBITDA64.0x30.8x
FCF growth the price implies25.2%13.5%
Dividend yield—0.54%
Debt / equity1.62x0.53x
Fundamental gradeCB
Superinvestors holding it42
Insider purchases, last 12 months40

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Ciena

YearRevenueFree cash flowOp. margin
2021$3.6B$462M13.7%
2022$3.6B-$259M6.1%
2023$4.4B$62M8.2%
2024$4.0B$378M4.1%
2025$4.8B$665M4.1%

Ubiquiti Networks

YearRevenueFree cash flowOp. margin
2022$1.7B$357M27.3%
2023$1.9B-$166M28.1%
2024$1.9B$530M25.9%
2025$2.6B$627M32.5%
2026$3.3B$909M36.2%

Where the revenue comes from

Ciena · by segments, 2025

Networking Platforms$3.7B77%
Global Services$614M13%
Platform Software and Services$364M8%
Blue Planet Automation Software and Services$116M2%

Ubiquiti Networks · by products, 2026

Enterprise Technology$3.0B91%
Service Provider Technology$302M9%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
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Questions

Which is bigger, Ciena or Ubiquiti Networks?

Ciena (CIEN), at $61.0B against $34.9B.

Is CIEN or UI cheaper?

By trailing P/E, Ubiquiti Networks (37.2x) is cheaper than Ciena (278.4x). A lower multiple can also mean the market expects less growth.

Which grows faster, CIEN or UI?

Ciena: revenue grew +37.0% over the last year, against +23.5%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.