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Side-by-side financial comparison of CIENA CORP (CIEN) and Fabrinet (FN). Click either name above to swap in a different company.

CIENA CORP is the larger business by last-quarter revenue ($1.2B vs $1.1B, roughly 1.1× Fabrinet). Fabrinet runs the higher net margin — 9.9% vs 4.1%, a 5.8% gap on every dollar of revenue. CIENA CORP produced more free cash flow last quarter ($134.6M vs $-5.3M). Over the past eight quarters, Fabrinet's revenue compounded faster (24.4% CAGR vs 3.9%).

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).

Below is a list of companies having stocks that are included in the S&P MidCap 400 stock market index. The index, maintained by S&P Dow Jones Indices, comprises the common stocks of 400 mid-cap, mostly American, companies. Although called the S&P 400, the index sometimes contains more than 400 stocks when it includes two or more share classes of stock from one of its component companies.

CIEN vs FN — Head-to-Head

Bigger by revenue
CIEN
CIEN
1.1× larger
CIEN
$1.2B
$1.1B
FN
Higher net margin
FN
FN
5.8% more per $
FN
9.9%
4.1%
CIEN
More free cash flow
CIEN
CIEN
$139.9M more FCF
CIEN
$134.6M
$-5.3M
FN
Faster 2-yr revenue CAGR
FN
FN
Annualised
FN
24.4%
3.9%
CIEN

Income Statement — Q4 2025 vs Q2 2026

Metric
CIEN
CIEN
FN
FN
Revenue
$1.2B
$1.1B
Net Profit
$50.3M
$112.6M
Gross Margin
41.3%
12.2%
Operating Margin
6.0%
10.1%
Net Margin
4.1%
9.9%
Revenue YoY
35.9%
Net Profit YoY
30.0%
EPS (diluted)
$0.35
$3.11

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
CIEN
CIEN
FN
FN
Q4 25
$1.1B
Q3 25
$1.2B
$978.1M
Q2 25
$1.1B
$909.7M
Q1 25
$1.1B
$871.8M
Q4 24
$1.1B
$833.6M
Q3 24
$942.3M
$804.2M
Q2 24
$910.8M
$753.3M
Q1 24
$1.0B
$731.5M
Net Profit
CIEN
CIEN
FN
FN
Q4 25
$112.6M
Q3 25
$50.3M
$95.9M
Q2 25
$9.0M
$87.2M
Q1 25
$44.6M
$81.3M
Q4 24
$37.0M
$86.6M
Q3 24
$14.2M
$77.4M
Q2 24
$-16.8M
$81.1M
Q1 24
$49.5M
$80.9M
Gross Margin
CIEN
CIEN
FN
FN
Q4 25
12.2%
Q3 25
41.3%
11.9%
Q2 25
40.2%
12.2%
Q1 25
44.0%
11.7%
Q4 24
40.9%
12.1%
Q3 24
42.9%
12.3%
Q2 24
42.7%
12.3%
Q1 24
45.0%
12.4%
Operating Margin
CIEN
CIEN
FN
FN
Q4 25
10.1%
Q3 25
6.0%
9.6%
Q2 25
2.9%
9.8%
Q1 25
7.5%
9.0%
Q4 24
5.3%
9.5%
Q3 24
2.8%
9.6%
Q2 24
-0.4%
9.7%
Q1 24
8.2%
9.7%
Net Margin
CIEN
CIEN
FN
FN
Q4 25
9.9%
Q3 25
4.1%
9.8%
Q2 25
0.8%
9.6%
Q1 25
4.2%
9.3%
Q4 24
3.3%
10.4%
Q3 24
1.5%
9.6%
Q2 24
-1.8%
10.8%
Q1 24
4.8%
11.1%
EPS (diluted)
CIEN
CIEN
FN
FN
Q4 25
$3.11
Q3 25
$0.35
$2.66
Q2 25
$0.06
$2.41
Q1 25
$0.31
$2.25
Q4 24
$0.26
$2.38
Q3 24
$0.10
$2.13
Q2 24
$-0.12
$2.22
Q1 24
$0.34
$2.21

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CIEN
CIEN
FN
FN
Cash + ST InvestmentsLiquidity on hand
$1.3B
$960.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.8B
$2.2B
Total Assets
$5.7B
$3.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
FN
FN
Q4 25
$960.8M
Q3 25
$1.3B
$968.8M
Q2 25
$1.3B
$934.2M
Q1 25
$1.2B
$950.7M
Q4 24
$1.3B
$934.6M
Q3 24
$1.1B
$908.9M
Q2 24
$1.3B
$858.6M
Q1 24
$1.4B
$794.0M
Stockholders' Equity
CIEN
CIEN
FN
FN
Q4 25
$2.2B
Q3 25
$2.8B
$2.1B
Q2 25
$2.8B
$2.0B
Q1 25
$2.8B
$1.9B
Q4 24
$2.8B
$1.8B
Q3 24
$2.9B
$1.8B
Q2 24
$2.9B
$1.7B
Q1 24
$2.9B
$1.7B
Total Assets
CIEN
CIEN
FN
FN
Q4 25
$3.3B
Q3 25
$5.7B
$3.0B
Q2 25
$5.7B
$2.8B
Q1 25
$5.6B
$2.6B
Q4 24
$5.6B
$2.5B
Q3 24
$5.6B
$2.4B
Q2 24
$5.6B
$2.3B
Q1 24
$5.6B
$2.2B

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CIEN
CIEN
FN
FN
Operating Cash FlowLast quarter
$174.3M
$46.3M
Free Cash FlowOCF − Capex
$134.6M
$-5.3M
FCF MarginFCF / Revenue
11.0%
-0.5%
Capex IntensityCapex / Revenue
3.3%
4.6%
Cash ConversionOCF / Net Profit
3.47×
0.41×
TTM Free Cash FlowTrailing 4 quarters
$605.5M
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
FN
FN
Q4 25
$46.3M
Q3 25
$174.3M
$102.6M
Q2 25
$156.9M
$55.1M
Q1 25
$103.7M
$74.2M
Q4 24
$349.4M
$115.9M
Q3 24
$-159.4M
$83.2M
Q2 24
$58.5M
$83.1M
Q1 24
$266.1M
$100.9M
Free Cash Flow
CIEN
CIEN
FN
FN
Q4 25
$-5.3M
Q3 25
$134.6M
$57.3M
Q2 25
$128.2M
$4.7M
Q1 25
$76.8M
$45.7M
Q4 24
$265.8M
$94.0M
Q3 24
$-179.0M
$62.9M
Q2 24
$41.6M
$70.4M
Q1 24
$249.5M
$87.3M
FCF Margin
CIEN
CIEN
FN
FN
Q4 25
-0.5%
Q3 25
11.0%
5.9%
Q2 25
11.4%
0.5%
Q1 25
7.2%
5.2%
Q4 24
23.6%
11.3%
Q3 24
-19.0%
7.8%
Q2 24
4.6%
9.3%
Q1 24
24.0%
11.9%
Capex Intensity
CIEN
CIEN
FN
FN
Q4 25
4.6%
Q3 25
3.3%
4.6%
Q2 25
2.6%
5.5%
Q1 25
2.5%
3.3%
Q4 24
7.4%
2.6%
Q3 24
2.1%
2.5%
Q2 24
1.9%
1.7%
Q1 24
1.6%
1.9%
Cash Conversion
CIEN
CIEN
FN
FN
Q4 25
0.41×
Q3 25
3.47×
1.07×
Q2 25
17.50×
0.63×
Q1 25
2.33×
0.91×
Q4 24
9.44×
1.34×
Q3 24
-11.20×
1.07×
Q2 24
1.02×
Q1 24
5.37×
1.25×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CIEN
CIEN

Optical Networking$815.5M67%
Routing And Switching$125.9M10%
Platform Softwareand Services Segment$90.0M7%
Maintenance Support And Training$80.7M7%
Installation And Deployment$65.9M5%
Blue Planet Automation Softwareand Services Segment$27.8M2%
Consulting And Network Design$13.6M1%

FN
FN

Optical Communications$832.6M73%
Non Optical Communications$300.3M27%

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