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Side-by-side financial comparison of CIENA CORP (CIEN) and Martin Marietta Materials (MLM). 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× Martin Marietta Materials). Martin Marietta Materials runs the higher net margin — 24.5% vs 4.1%, a 20.3% gap on every dollar of revenue. Martin Marietta Materials produced more free cash flow last quarter ($424.0M vs $134.6M). Over the past eight quarters, CIENA CORP's revenue compounded faster (3.9% CAGR vs -4.5%).

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).

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada, and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks, and foundations.

CIEN vs MLM — Head-to-Head

Bigger by revenue
CIEN
CIEN
1.1× larger
CIEN
$1.2B
$1.1B
MLM
Higher net margin
MLM
MLM
20.3% more per $
MLM
24.5%
4.1%
CIEN
More free cash flow
MLM
MLM
$289.4M more FCF
MLM
$424.0M
$134.6M
CIEN
Faster 2-yr revenue CAGR
CIEN
CIEN
Annualised
CIEN
3.9%
-4.5%
MLM

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
CIEN
CIEN
MLM
MLM
Revenue
$1.2B
$1.1B
Net Profit
$50.3M
$279.0M
Gross Margin
41.3%
35.0%
Operating Margin
6.0%
24.6%
Net Margin
4.1%
24.5%
Revenue YoY
-30.1%
Net Profit YoY
-4.8%
EPS (diluted)
$0.35
$4.59

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
MLM
MLM
Q4 25
$1.1B
Q3 25
$1.2B
$1.8B
Q2 25
$1.1B
$1.8B
Q1 25
$1.1B
$1.4B
Q4 24
$1.1B
$1.6B
Q3 24
$942.3M
$1.9B
Q2 24
$910.8M
$1.8B
Q1 24
$1.0B
$1.3B
Net Profit
CIEN
CIEN
MLM
MLM
Q4 25
$279.0M
Q3 25
$50.3M
$414.0M
Q2 25
$9.0M
$328.0M
Q1 25
$44.6M
$116.0M
Q4 24
$37.0M
$293.0M
Q3 24
$14.2M
$363.0M
Q2 24
$-16.8M
$294.0M
Q1 24
$49.5M
$1.0B
Gross Margin
CIEN
CIEN
MLM
MLM
Q4 25
35.0%
Q3 25
41.3%
33.1%
Q2 25
40.2%
30.0%
Q1 25
44.0%
24.8%
Q4 24
40.9%
30.0%
Q3 24
42.9%
31.7%
Q2 24
42.7%
29.3%
Q1 24
45.0%
21.7%
Operating Margin
CIEN
CIEN
MLM
MLM
Q4 25
24.6%
Q3 25
6.0%
27.4%
Q2 25
2.9%
25.3%
Q1 25
7.5%
14.3%
Q4 24
5.3%
24.4%
Q3 24
2.8%
25.9%
Q2 24
-0.4%
22.6%
Q1 24
8.2%
Net Margin
CIEN
CIEN
MLM
MLM
Q4 25
24.5%
Q3 25
4.1%
22.4%
Q2 25
0.8%
18.1%
Q1 25
4.2%
8.6%
Q4 24
3.3%
18.0%
Q3 24
1.5%
19.2%
Q2 24
-1.8%
16.7%
Q1 24
4.8%
83.5%
EPS (diluted)
CIEN
CIEN
MLM
MLM
Q4 25
$4.59
Q3 25
$0.35
$6.85
Q2 25
$0.06
$5.43
Q1 25
$0.31
$1.90
Q4 24
$0.26
$4.87
Q3 24
$0.10
$5.91
Q2 24
$-0.12
$4.76
Q1 24
$0.34
$16.87

Balance Sheet & Financial Strength

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

Metric
CIEN
CIEN
MLM
MLM
Cash + ST InvestmentsLiquidity on hand
$1.3B
$67.0M
Total DebtLower is stronger
$5.3B
Stockholders' EquityBook value
$2.8B
$10.0B
Total Assets
$5.7B
$18.7B
Debt / EquityLower = less leverage
0.53×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
MLM
MLM
Q4 25
$67.0M
Q3 25
$1.3B
$57.0M
Q2 25
$1.3B
$225.0M
Q1 25
$1.2B
$101.0M
Q4 24
$1.3B
$670.0M
Q3 24
$1.1B
$52.0M
Q2 24
$1.3B
$109.0M
Q1 24
$1.4B
$2.6B
Total Debt
CIEN
CIEN
MLM
MLM
Q4 25
$5.3B
Q3 25
$5.5B
Q2 25
$5.4B
Q1 25
$5.4B
Q4 24
$5.4B
Q3 24
$4.0B
Q2 24
$4.3B
Q1 24
$4.3B
Stockholders' Equity
CIEN
CIEN
MLM
MLM
Q4 25
$10.0B
Q3 25
$2.8B
$9.7B
Q2 25
$2.8B
$9.4B
Q1 25
$2.8B
$9.1B
Q4 24
$2.8B
$9.5B
Q3 24
$2.9B
$9.2B
Q2 24
$2.9B
$8.8B
Q1 24
$2.9B
$8.9B
Total Assets
CIEN
CIEN
MLM
MLM
Q4 25
$18.7B
Q3 25
$5.7B
$18.7B
Q2 25
$5.7B
$18.1B
Q1 25
$5.6B
$17.7B
Q4 24
$5.6B
$18.2B
Q3 24
$5.6B
$16.5B
Q2 24
$5.6B
$16.3B
Q1 24
$5.6B
$16.2B
Debt / Equity
CIEN
CIEN
MLM
MLM
Q4 25
0.53×
Q3 25
0.57×
Q2 25
0.58×
Q1 25
0.60×
Q4 24
0.57×
Q3 24
0.44×
Q2 24
0.49×
Q1 24
0.49×

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
MLM
MLM
Operating Cash FlowLast quarter
$174.3M
$629.0M
Free Cash FlowOCF − Capex
$134.6M
$424.0M
FCF MarginFCF / Revenue
11.0%
37.2%
Capex IntensityCapex / Revenue
3.3%
18.0%
Cash ConversionOCF / Net Profit
3.47×
2.25×
TTM Free Cash FlowTrailing 4 quarters
$605.5M
$978.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
MLM
MLM
Q4 25
$629.0M
Q3 25
$174.3M
$551.0M
Q2 25
$156.9M
$387.0M
Q1 25
$103.7M
$218.0M
Q4 24
$349.4M
$686.0M
Q3 24
$-159.4M
$600.0M
Q2 24
$58.5M
$1.0M
Q1 24
$266.1M
$172.0M
Free Cash Flow
CIEN
CIEN
MLM
MLM
Q4 25
$424.0M
Q3 25
$134.6M
$361.0M
Q2 25
$128.2M
$208.0M
Q1 25
$76.8M
$-15.0M
Q4 24
$265.8M
$453.0M
Q3 24
$-179.0M
$317.0M
Q2 24
$41.6M
$-138.0M
Q1 24
$249.5M
$-28.0M
FCF Margin
CIEN
CIEN
MLM
MLM
Q4 25
37.2%
Q3 25
11.0%
19.6%
Q2 25
11.4%
11.5%
Q1 25
7.2%
-1.1%
Q4 24
23.6%
27.8%
Q3 24
-19.0%
16.8%
Q2 24
4.6%
-7.8%
Q1 24
24.0%
-2.2%
Capex Intensity
CIEN
CIEN
MLM
MLM
Q4 25
18.0%
Q3 25
3.3%
10.3%
Q2 25
2.6%
9.9%
Q1 25
2.5%
17.2%
Q4 24
7.4%
14.3%
Q3 24
2.1%
15.0%
Q2 24
1.9%
7.9%
Q1 24
1.6%
16.0%
Cash Conversion
CIEN
CIEN
MLM
MLM
Q4 25
2.25×
Q3 25
3.47×
1.33×
Q2 25
17.50×
1.18×
Q1 25
2.33×
1.88×
Q4 24
9.44×
2.34×
Q3 24
-11.20×
1.65×
Q2 24
0.00×
Q1 24
5.37×
0.16×

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%

MLM
MLM

Building Materials Business East Group$774.0M68%
Building Materials Business West Group$233.0M20%
Services$88.0M8%
Other$45.0M4%

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