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Side-by-side financial comparison of Crown Castle (CCI) 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 $1.0B, roughly 1.2× Crown Castle). CIENA CORP runs the higher net margin — 4.1% vs -45.9%, a 50.1% gap on every dollar of revenue. CIENA CORP produced more free cash flow last quarter ($134.6M vs $-43.0M). Over the past eight quarters, CIENA CORP's revenue compounded faster (3.9% CAGR vs -4.5%).

Crown Castle Inc. is a real estate investment trust and provider of shared communications infrastructure in the United States headquartered in Houston, Texas. Operating with 100 offices worldwide, its network includes over 40,000 cell towers and approximately 85,000 route miles of fiber supporting small cells and fiber systems.

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).

CCI vs CIEN — Head-to-Head

Bigger by revenue
CIEN
CIEN
1.2× larger
CIEN
$1.2B
$1.0B
CCI
Higher net margin
CIEN
CIEN
50.1% more per $
CIEN
4.1%
-45.9%
CCI
More free cash flow
CIEN
CIEN
$177.6M more FCF
CIEN
$134.6M
$-43.0M
CCI
Faster 2-yr revenue CAGR
CIEN
CIEN
Annualised
CIEN
3.9%
-4.5%
CCI

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
CCI
CCI
CIEN
CIEN
Revenue
$1.0B
$1.2B
Net Profit
$-464.0M
$50.3M
Gross Margin
41.3%
Operating Margin
46.0%
6.0%
Net Margin
-45.9%
4.1%
Revenue YoY
-4.8%
Net Profit YoY
EPS (diluted)
$1.48
$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
CCI
CCI
CIEN
CIEN
Q1 26
$1.0B
Q4 25
$1.1B
Q3 25
$1.1B
$1.2B
Q2 25
$1.1B
$1.1B
Q1 25
$1.1B
$1.1B
Q4 24
$1.1B
$1.1B
Q3 24
$1.1B
$942.3M
Q2 24
$1.1B
$910.8M
Net Profit
CCI
CCI
CIEN
CIEN
Q1 26
$-464.0M
Q4 25
$294.0M
Q3 25
$323.0M
$50.3M
Q2 25
$291.0M
$9.0M
Q1 25
$-464.0M
$44.6M
Q4 24
$37.0M
Q3 24
$303.0M
$14.2M
Q2 24
$251.0M
$-16.8M
Gross Margin
CCI
CCI
CIEN
CIEN
Q1 26
Q4 25
97.4%
Q3 25
97.2%
41.3%
Q2 25
97.5%
40.2%
Q1 25
97.4%
44.0%
Q4 24
97.7%
40.9%
Q3 24
97.6%
42.9%
Q2 24
97.7%
42.7%
Operating Margin
CCI
CCI
CIEN
CIEN
Q1 26
46.0%
Q4 25
48.8%
Q3 25
49.0%
6.0%
Q2 25
47.7%
2.9%
Q1 25
49.1%
7.5%
Q4 24
51.0%
5.3%
Q3 24
47.5%
2.8%
Q2 24
44.7%
-0.4%
Net Margin
CCI
CCI
CIEN
CIEN
Q1 26
-45.9%
Q4 25
27.5%
Q3 25
30.1%
4.1%
Q2 25
27.5%
0.8%
Q1 25
-43.7%
4.2%
Q4 24
3.3%
Q3 24
27.1%
1.5%
Q2 24
22.7%
-1.8%
EPS (diluted)
CCI
CCI
CIEN
CIEN
Q1 26
$1.48
Q4 25
$0.67
Q3 25
$0.74
$0.35
Q2 25
$0.67
$0.06
Q1 25
$-1.07
$0.31
Q4 24
$0.26
Q3 24
$0.70
$0.10
Q2 24
$0.58
$-0.12

Balance Sheet & Financial Strength

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

Metric
CCI
CCI
CIEN
CIEN
Cash + ST InvestmentsLiquidity on hand
$55.0M
$1.3B
Total DebtLower is stronger
Stockholders' EquityBook value
$2.8B
Total Assets
$31.4B
$5.7B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CCI
CCI
CIEN
CIEN
Q1 26
$55.0M
Q4 25
$99.0M
Q3 25
$57.0M
$1.3B
Q2 25
$94.0M
$1.3B
Q1 25
$60.0M
$1.2B
Q4 24
$100.0M
$1.3B
Q3 24
$194.0M
$1.1B
Q2 24
$155.0M
$1.3B
Total Debt
CCI
CCI
CIEN
CIEN
Q1 26
Q4 25
$21.6B
Q3 25
$21.6B
Q2 25
$22.0B
Q1 25
$22.9B
Q4 24
$23.5B
Q3 24
$23.5B
Q2 24
$22.9B
Stockholders' Equity
CCI
CCI
CIEN
CIEN
Q1 26
Q4 25
$-1.6B
Q3 25
$-1.5B
$2.8B
Q2 25
$-1.4B
$2.8B
Q1 25
$-1.3B
$2.8B
Q4 24
$-133.0M
$2.8B
Q3 24
$5.3B
$2.9B
Q2 24
$5.7B
$2.9B
Total Assets
CCI
CCI
CIEN
CIEN
Q1 26
$31.4B
Q4 25
$31.5B
Q3 25
$31.5B
$5.7B
Q2 25
$31.6B
$5.7B
Q1 25
$31.8B
$5.6B
Q4 24
$32.7B
$5.6B
Q3 24
$38.0B
$5.6B
Q2 24
$38.2B
$5.6B
Debt / Equity
CCI
CCI
CIEN
CIEN
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
4.43×
Q2 24
4.04×

Cash Flow & Capital Efficiency

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

Metric
CCI
CCI
CIEN
CIEN
Operating Cash FlowLast quarter
$174.3M
Free Cash FlowOCF − Capex
$-43.0M
$134.6M
FCF MarginFCF / Revenue
-4.3%
11.0%
Capex IntensityCapex / Revenue
1.0%
3.3%
Cash ConversionOCF / Net Profit
3.47×
TTM Free Cash FlowTrailing 4 quarters
$4.3B
$605.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CCI
CCI
CIEN
CIEN
Q1 26
Q4 25
$3.1B
Q3 25
$714.0M
$174.3M
Q2 25
$832.0M
$156.9M
Q1 25
$641.0M
$103.7M
Q4 24
$2.9B
$349.4M
Q3 24
$699.0M
$-159.4M
Q2 24
$768.0M
$58.5M
Free Cash Flow
CCI
CCI
CIEN
CIEN
Q1 26
$-43.0M
Q4 25
$2.9B
Q3 25
$671.0M
$134.6M
Q2 25
$792.0M
$128.2M
Q1 25
$601.0M
$76.8M
Q4 24
$2.8B
$265.8M
Q3 24
$661.0M
$-179.0M
Q2 24
$729.0M
$41.6M
FCF Margin
CCI
CCI
CIEN
CIEN
Q1 26
-4.3%
Q4 25
268.4%
Q3 25
62.6%
11.0%
Q2 25
74.7%
11.4%
Q1 25
56.6%
7.2%
Q4 24
247.3%
23.6%
Q3 24
59.0%
-19.0%
Q2 24
65.9%
4.6%
Capex Intensity
CCI
CCI
CIEN
CIEN
Q1 26
1.0%
Q4 25
17.0%
Q3 25
4.0%
3.3%
Q2 25
3.8%
2.6%
Q1 25
3.8%
2.5%
Q4 24
15.7%
7.4%
Q3 24
3.4%
2.1%
Q2 24
3.5%
1.9%
Cash Conversion
CCI
CCI
CIEN
CIEN
Q1 26
Q4 25
10.40×
Q3 25
2.21×
3.47×
Q2 25
2.86×
17.50×
Q1 25
2.33×
Q4 24
9.44×
Q3 24
2.31×
-11.20×
Q2 24
3.06×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CCI
CCI

Site rental$961.0M95%
Services and other$49.0M5%

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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