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

CIENA CORP is the larger business by last-quarter revenue ($1.2B vs $805.0M, roughly 1.5× MODINE MANUFACTURING CO). CIENA CORP runs the higher net margin — 4.1% vs -5.9%, a 10.0% gap on every dollar of revenue. CIENA CORP produced more free cash flow last quarter ($134.6M vs $-17.1M). Over the past eight quarters, MODINE MANUFACTURING CO's revenue compounded faster (15.5% 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).

Modine Manufacturing is a thermal management company established in 1916 in the United States. The company started as Modine Manufacturing Company by Arthur B Modine who patented the Spirex radiator for tractors. The Modine company manufactured the Turbotube radiator for Ford Model T cars. The company built the world's first vehicular wind tunnel in Racine, Wisconsin in 1941. During WWII, Modine manufactured aftercoolers for the P-51 Mustang fighter plane. After WWII, Modine introduced the Ai...

CIEN vs MOD — Head-to-Head

Bigger by revenue
CIEN
CIEN
1.5× larger
CIEN
$1.2B
$805.0M
MOD
Higher net margin
CIEN
CIEN
10.0% more per $
CIEN
4.1%
-5.9%
MOD
More free cash flow
CIEN
CIEN
$151.7M more FCF
CIEN
$134.6M
$-17.1M
MOD
Faster 2-yr revenue CAGR
MOD
MOD
Annualised
MOD
15.5%
3.9%
CIEN

Income Statement — Q3 FY2025 vs Q3 FY2026

Metric
CIEN
CIEN
MOD
MOD
Revenue
$1.2B
$805.0M
Net Profit
$50.3M
$-47.4M
Gross Margin
41.3%
23.1%
Operating Margin
6.0%
11.1%
Net Margin
4.1%
-5.9%
Revenue YoY
30.5%
Net Profit YoY
-215.6%
EPS (diluted)
$0.35
$-0.90

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
MOD
MOD
Q4 25
$805.0M
Q3 25
$1.2B
$738.9M
Q2 25
$1.1B
$682.8M
Q1 25
$1.1B
$647.2M
Q4 24
$1.1B
$616.8M
Q3 24
$942.3M
$658.0M
Q2 24
$910.8M
$661.5M
Q1 24
$1.0B
$603.5M
Net Profit
CIEN
CIEN
MOD
MOD
Q4 25
$-47.4M
Q3 25
$50.3M
$44.4M
Q2 25
$9.0M
$51.2M
Q1 25
$44.6M
$49.6M
Q4 24
$37.0M
$41.0M
Q3 24
$14.2M
$46.1M
Q2 24
$-16.8M
$47.3M
Q1 24
$49.5M
$25.8M
Gross Margin
CIEN
CIEN
MOD
MOD
Q4 25
23.1%
Q3 25
41.3%
22.3%
Q2 25
40.2%
24.2%
Q1 25
44.0%
25.6%
Q4 24
40.9%
24.3%
Q3 24
42.9%
25.2%
Q2 24
42.7%
24.6%
Q1 24
45.0%
22.4%
Operating Margin
CIEN
CIEN
MOD
MOD
Q4 25
11.1%
Q3 25
6.0%
9.9%
Q2 25
2.9%
11.1%
Q1 25
7.5%
11.5%
Q4 24
5.3%
9.6%
Q3 24
2.8%
11.4%
Q2 24
-0.4%
11.2%
Q1 24
8.2%
7.8%
Net Margin
CIEN
CIEN
MOD
MOD
Q4 25
-5.9%
Q3 25
4.1%
6.0%
Q2 25
0.8%
7.5%
Q1 25
4.2%
7.7%
Q4 24
3.3%
6.6%
Q3 24
1.5%
7.0%
Q2 24
-1.8%
7.2%
Q1 24
4.8%
4.3%
EPS (diluted)
CIEN
CIEN
MOD
MOD
Q4 25
$-0.90
Q3 25
$0.35
$0.83
Q2 25
$0.06
$0.95
Q1 25
$0.31
$0.92
Q4 24
$0.26
$0.76
Q3 24
$0.10
$0.86
Q2 24
$-0.12
$0.88
Q1 24
$0.34
$0.48

Balance Sheet & Financial Strength

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

Metric
CIEN
CIEN
MOD
MOD
Cash + ST InvestmentsLiquidity on hand
$1.3B
$98.7M
Total DebtLower is stronger
$570.7M
Stockholders' EquityBook value
$2.8B
$1.1B
Total Assets
$5.7B
$2.5B
Debt / EquityLower = less leverage
0.51×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
MOD
MOD
Q4 25
$98.7M
Q3 25
$1.3B
$83.8M
Q2 25
$1.3B
$124.5M
Q1 25
$1.2B
$71.6M
Q4 24
$1.3B
$83.8M
Q3 24
$1.1B
$78.6M
Q2 24
$1.3B
$72.9M
Q1 24
$1.4B
$60.1M
Total Debt
CIEN
CIEN
MOD
MOD
Q4 25
$570.7M
Q3 25
$525.8M
Q2 25
$482.1M
Q1 25
$296.7M
Q4 24
$330.0M
Q3 24
$359.1M
Q2 24
$405.7M
Q1 24
$399.9M
Stockholders' Equity
CIEN
CIEN
MOD
MOD
Q4 25
$1.1B
Q3 25
$2.8B
$1.1B
Q2 25
$2.8B
$1.0B
Q1 25
$2.8B
$910.2M
Q4 24
$2.8B
$855.1M
Q3 24
$2.9B
$858.8M
Q2 24
$2.9B
$788.4M
Q1 24
$2.9B
$747.6M
Total Assets
CIEN
CIEN
MOD
MOD
Q4 25
$2.5B
Q3 25
$5.7B
$2.4B
Q2 25
$5.7B
$2.2B
Q1 25
$5.6B
$1.9B
Q4 24
$5.6B
$1.8B
Q3 24
$5.6B
$1.9B
Q2 24
$5.6B
$1.9B
Q1 24
$5.6B
$1.9B
Debt / Equity
CIEN
CIEN
MOD
MOD
Q4 25
0.51×
Q3 25
0.50×
Q2 25
0.48×
Q1 25
0.33×
Q4 24
0.39×
Q3 24
0.42×
Q2 24
0.51×
Q1 24
0.53×

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
MOD
MOD
Operating Cash FlowLast quarter
$174.3M
$24.7M
Free Cash FlowOCF − Capex
$134.6M
$-17.1M
FCF MarginFCF / Revenue
11.0%
-2.1%
Capex IntensityCapex / Revenue
3.3%
5.2%
Cash ConversionOCF / Net Profit
3.47×
TTM Free Cash FlowTrailing 4 quarters
$605.5M
$-20.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
MOD
MOD
Q4 25
$24.7M
Q3 25
$174.3M
$1.4M
Q2 25
$156.9M
$27.7M
Q1 25
$103.7M
$54.8M
Q4 24
$349.4M
$60.7M
Q3 24
$-159.4M
$57.3M
Q2 24
$58.5M
$40.5M
Q1 24
$266.1M
$39.6M
Free Cash Flow
CIEN
CIEN
MOD
MOD
Q4 25
$-17.1M
Q3 25
$134.6M
$-30.5M
Q2 25
$128.2M
$200.0K
Q1 25
$76.8M
$27.1M
Q4 24
$265.8M
$44.7M
Q3 24
$-179.0M
$43.8M
Q2 24
$41.6M
$13.7M
Q1 24
$249.5M
$-4.3M
FCF Margin
CIEN
CIEN
MOD
MOD
Q4 25
-2.1%
Q3 25
11.0%
-4.1%
Q2 25
11.4%
0.0%
Q1 25
7.2%
4.2%
Q4 24
23.6%
7.2%
Q3 24
-19.0%
6.7%
Q2 24
4.6%
2.1%
Q1 24
24.0%
-0.7%
Capex Intensity
CIEN
CIEN
MOD
MOD
Q4 25
5.2%
Q3 25
3.3%
4.3%
Q2 25
2.6%
4.0%
Q1 25
2.5%
4.3%
Q4 24
7.4%
2.6%
Q3 24
2.1%
2.1%
Q2 24
1.9%
4.1%
Q1 24
1.6%
7.3%
Cash Conversion
CIEN
CIEN
MOD
MOD
Q4 25
Q3 25
3.47×
0.03×
Q2 25
17.50×
0.54×
Q1 25
2.33×
1.10×
Q4 24
9.44×
1.48×
Q3 24
-11.20×
1.24×
Q2 24
0.86×
Q1 24
5.37×
1.53×

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%

MOD
MOD

Data Centers$296.9M37%
Performance Technologies$266.0M33%
Hvac Technologies$107.1M13%
Air Cooled$92.4M11%
Lb White$25.6M3%
Climate By Design$10.2M1%
Absolutaire$7.0M1%

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