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

CIENA CORP is the larger business by last-quarter revenue ($1.2B vs $716.7M, roughly 1.7× Arcosa, Inc.). Arcosa, Inc. runs the higher net margin — 7.3% vs 4.1%, a 3.1% gap on every dollar of revenue. CIENA CORP produced more free cash flow last quarter ($134.6M vs $55.8M). Over the past eight quarters, Arcosa, Inc.'s revenue compounded faster (9.4% CAGR vs 3.9%).

Arcosa, Inc. is a provider of infrastructure-related products and solutions operating across three core segments: construction, energy, and transportation. It offers products including utility structures, construction aggregates, and transportation components, primarily serving customers across the North American market to support critical infrastructure development projects.

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).

ACA vs CIEN — Head-to-Head

Bigger by revenue
CIEN
CIEN
1.7× larger
CIEN
$1.2B
$716.7M
ACA
Higher net margin
ACA
ACA
3.1% more per $
ACA
7.3%
4.1%
CIEN
More free cash flow
CIEN
CIEN
$78.8M more FCF
CIEN
$134.6M
$55.8M
ACA
Faster 2-yr revenue CAGR
ACA
ACA
Annualised
ACA
9.4%
3.9%
CIEN

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ACA
ACA
CIEN
CIEN
Revenue
$716.7M
$1.2B
Net Profit
$52.1M
$50.3M
Gross Margin
22.9%
41.3%
Operating Margin
11.0%
6.0%
Net Margin
7.3%
4.1%
Revenue YoY
7.6%
Net Profit YoY
776.6%
EPS (diluted)
$1.06
$0.35

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
ACA
ACA
CIEN
CIEN
Q4 25
$716.7M
Q3 25
$797.8M
$1.2B
Q2 25
$736.9M
$1.1B
Q1 25
$632.0M
$1.1B
Q4 24
$666.2M
$1.1B
Q3 24
$640.4M
$942.3M
Q2 24
$664.7M
$910.8M
Q1 24
$598.6M
$1.0B
Net Profit
ACA
ACA
CIEN
CIEN
Q4 25
$52.1M
Q3 25
$73.0M
$50.3M
Q2 25
$59.7M
$9.0M
Q1 25
$23.6M
$44.6M
Q4 24
$-7.7M
$37.0M
Q3 24
$16.6M
$14.2M
Q2 24
$45.6M
$-16.8M
Q1 24
$39.2M
$49.5M
Gross Margin
ACA
ACA
CIEN
CIEN
Q4 25
22.9%
Q3 25
24.1%
41.3%
Q2 25
22.5%
40.2%
Q1 25
19.8%
44.0%
Q4 24
19.3%
40.9%
Q3 24
21.3%
42.9%
Q2 24
20.8%
42.7%
Q1 24
18.6%
45.0%
Operating Margin
ACA
ACA
CIEN
CIEN
Q4 25
11.0%
Q3 25
14.1%
6.0%
Q2 25
12.9%
2.9%
Q1 25
8.8%
7.5%
Q4 24
6.5%
5.3%
Q3 24
5.3%
2.8%
Q2 24
10.1%
-0.4%
Q1 24
8.9%
8.2%
Net Margin
ACA
ACA
CIEN
CIEN
Q4 25
7.3%
Q3 25
9.2%
4.1%
Q2 25
8.1%
0.8%
Q1 25
3.7%
4.2%
Q4 24
-1.2%
3.3%
Q3 24
2.6%
1.5%
Q2 24
6.9%
-1.8%
Q1 24
6.5%
4.8%
EPS (diluted)
ACA
ACA
CIEN
CIEN
Q4 25
$1.06
Q3 25
$1.48
$0.35
Q2 25
$1.22
$0.06
Q1 25
$0.48
$0.31
Q4 24
$-0.16
$0.26
Q3 24
$0.34
$0.10
Q2 24
$0.93
$-0.12
Q1 24
$0.80
$0.34

Balance Sheet & Financial Strength

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

Metric
ACA
ACA
CIEN
CIEN
Cash + ST InvestmentsLiquidity on hand
$214.6M
$1.3B
Total DebtLower is stronger
$1.5B
Stockholders' EquityBook value
$2.6B
$2.8B
Total Assets
$5.0B
$5.7B
Debt / EquityLower = less leverage
0.57×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACA
ACA
CIEN
CIEN
Q4 25
$214.6M
Q3 25
$220.0M
$1.3B
Q2 25
$189.7M
$1.3B
Q1 25
$167.9M
$1.2B
Q4 24
$187.3M
$1.3B
Q3 24
$756.8M
$1.1B
Q2 24
$103.7M
$1.3B
Q1 24
$176.5M
$1.4B
Total Debt
ACA
ACA
CIEN
CIEN
Q4 25
$1.5B
Q3 25
$1.6B
Q2 25
$1.7B
Q1 25
$1.7B
Q4 24
$1.7B
Q3 24
$1.2B
Q2 24
$699.9M
Q1 24
$600.6M
Stockholders' Equity
ACA
ACA
CIEN
CIEN
Q4 25
$2.6B
Q3 25
$2.6B
$2.8B
Q2 25
$2.5B
$2.8B
Q1 25
$2.5B
$2.8B
Q4 24
$2.4B
$2.8B
Q3 24
$2.4B
$2.9B
Q2 24
$2.4B
$2.9B
Q1 24
$2.4B
$2.9B
Total Assets
ACA
ACA
CIEN
CIEN
Q4 25
$5.0B
Q3 25
$5.1B
$5.7B
Q2 25
$5.0B
$5.7B
Q1 25
$4.9B
$5.6B
Q4 24
$4.9B
$5.6B
Q3 24
$4.4B
$5.6B
Q2 24
$3.8B
$5.6B
Q1 24
$3.7B
$5.6B
Debt / Equity
ACA
ACA
CIEN
CIEN
Q4 25
0.57×
Q3 25
0.61×
Q2 25
0.67×
Q1 25
0.68×
Q4 24
0.69×
Q3 24
0.51×
Q2 24
0.29×
Q1 24
0.25×

Cash Flow & Capital Efficiency

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

Metric
ACA
ACA
CIEN
CIEN
Operating Cash FlowLast quarter
$120.0M
$174.3M
Free Cash FlowOCF − Capex
$55.8M
$134.6M
FCF MarginFCF / Revenue
7.8%
11.0%
Capex IntensityCapex / Revenue
9.0%
3.3%
Cash ConversionOCF / Net Profit
2.30×
3.47×
TTM Free Cash FlowTrailing 4 quarters
$175.5M
$605.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACA
ACA
CIEN
CIEN
Q4 25
$120.0M
Q3 25
$160.6M
$174.3M
Q2 25
$61.2M
$156.9M
Q1 25
$-700.0K
$103.7M
Q4 24
$248.2M
$349.4M
Q3 24
$135.0M
$-159.4M
Q2 24
$38.3M
$58.5M
Q1 24
$80.5M
$266.1M
Free Cash Flow
ACA
ACA
CIEN
CIEN
Q4 25
$55.8M
Q3 25
$121.0M
$134.6M
Q2 25
$33.4M
$128.2M
Q1 25
$-34.7M
$76.8M
Q4 24
$194.9M
$265.8M
Q3 24
$100.6M
$-179.0M
Q2 24
$-9.3M
$41.6M
Q1 24
$26.1M
$249.5M
FCF Margin
ACA
ACA
CIEN
CIEN
Q4 25
7.8%
Q3 25
15.2%
11.0%
Q2 25
4.5%
11.4%
Q1 25
-5.5%
7.2%
Q4 24
29.3%
23.6%
Q3 24
15.7%
-19.0%
Q2 24
-1.4%
4.6%
Q1 24
4.4%
24.0%
Capex Intensity
ACA
ACA
CIEN
CIEN
Q4 25
9.0%
Q3 25
5.0%
3.3%
Q2 25
3.8%
2.6%
Q1 25
5.4%
2.5%
Q4 24
8.0%
7.4%
Q3 24
5.4%
2.1%
Q2 24
7.2%
1.9%
Q1 24
9.1%
1.6%
Cash Conversion
ACA
ACA
CIEN
CIEN
Q4 25
2.30×
Q3 25
2.20×
3.47×
Q2 25
1.03×
17.50×
Q1 25
-0.03×
2.33×
Q4 24
9.44×
Q3 24
8.13×
-11.20×
Q2 24
0.84×
Q1 24
2.05×
5.37×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACA
ACA

Engineered Structures$301.1M42%
Total Construction Materials$276.8M39%
Specialty Materials And Asphalt$110.2M15%
Construction Site Support$28.6M4%

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%

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