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

Iron Mountain is the larger business by last-quarter revenue ($1.8B vs $1.2B, roughly 1.5× CIENA CORP). Iron Mountain runs the higher net margin — 5.1% vs 4.1%, a 0.9% gap on every dollar of revenue. CIENA CORP produced more free cash flow last quarter ($134.6M vs $-16.2M). Over the past eight quarters, Iron Mountain's revenue compounded faster (11.7% 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).

Iron Mountain Inc. is an American enterprise information management services company founded in 1951 and headquartered in Portsmouth, New Hampshire. Its records management, information destruction, and data backup and recovery services are supplied to more than 220,000 customers in 58 countries throughout North America, Europe, Latin America, Africa, Asia, and Oceania.

CIEN vs IRM — Head-to-Head

Bigger by revenue
IRM
IRM
1.5× larger
IRM
$1.8B
$1.2B
CIEN
Higher net margin
IRM
IRM
0.9% more per $
IRM
5.1%
4.1%
CIEN
More free cash flow
CIEN
CIEN
$150.8M more FCF
CIEN
$134.6M
$-16.2M
IRM
Faster 2-yr revenue CAGR
IRM
IRM
Annualised
IRM
11.7%
3.9%
CIEN

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
CIEN
CIEN
IRM
IRM
Revenue
$1.2B
$1.8B
Net Profit
$50.3M
$93.1M
Gross Margin
41.3%
Operating Margin
6.0%
18.5%
Net Margin
4.1%
5.1%
Revenue YoY
16.6%
Net Profit YoY
-11.9%
EPS (diluted)
$0.35
$0.31

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
IRM
IRM
Q4 25
$1.8B
Q3 25
$1.2B
$1.8B
Q2 25
$1.1B
$1.7B
Q1 25
$1.1B
$1.6B
Q4 24
$1.1B
$1.6B
Q3 24
$942.3M
$1.6B
Q2 24
$910.8M
$1.5B
Q1 24
$1.0B
$1.5B
Net Profit
CIEN
CIEN
IRM
IRM
Q4 25
$93.1M
Q3 25
$50.3M
$86.2M
Q2 25
$9.0M
$-43.3M
Q1 25
$44.6M
$16.2M
Q4 24
$37.0M
$105.7M
Q3 24
$14.2M
$-33.7M
Q2 24
$-16.8M
$34.6M
Q1 24
$49.5M
$77.0M
Gross Margin
CIEN
CIEN
IRM
IRM
Q4 25
Q3 25
41.3%
Q2 25
40.2%
Q1 25
44.0%
Q4 24
40.9%
Q3 24
42.9%
Q2 24
42.7%
Q1 24
45.0%
Operating Margin
CIEN
CIEN
IRM
IRM
Q4 25
18.5%
Q3 25
6.0%
17.6%
Q2 25
2.9%
15.2%
Q1 25
7.5%
16.0%
Q4 24
5.3%
17.9%
Q3 24
2.8%
16.1%
Q2 24
-0.4%
15.0%
Q1 24
8.2%
16.6%
Net Margin
CIEN
CIEN
IRM
IRM
Q4 25
5.1%
Q3 25
4.1%
4.9%
Q2 25
0.8%
-2.5%
Q1 25
4.2%
1.0%
Q4 24
3.3%
6.7%
Q3 24
1.5%
-2.2%
Q2 24
-1.8%
2.3%
Q1 24
4.8%
5.2%
EPS (diluted)
CIEN
CIEN
IRM
IRM
Q4 25
$0.31
Q3 25
$0.35
$0.28
Q2 25
$0.06
$-0.15
Q1 25
$0.31
$0.05
Q4 24
$0.26
$0.35
Q3 24
$0.10
$-0.11
Q2 24
$-0.12
$0.12
Q1 24
$0.34
$0.25

Balance Sheet & Financial Strength

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

Metric
CIEN
CIEN
IRM
IRM
Cash + ST InvestmentsLiquidity on hand
$1.3B
$158.5M
Total DebtLower is stronger
$16.2B
Stockholders' EquityBook value
$2.8B
$-981.0M
Total Assets
$5.7B
$21.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
IRM
IRM
Q4 25
$158.5M
Q3 25
$1.3B
Q2 25
$1.3B
Q1 25
$1.2B
Q4 24
$1.3B
$155.7M
Q3 24
$1.1B
Q2 24
$1.3B
Q1 24
$1.4B
Total Debt
CIEN
CIEN
IRM
IRM
Q4 25
$16.2B
Q3 25
$15.5B
Q2 25
$14.8B
Q1 25
$14.2B
Q4 24
$13.0B
Q3 24
$13.2B
Q2 24
$12.8B
Q1 24
$12.6B
Stockholders' Equity
CIEN
CIEN
IRM
IRM
Q4 25
$-981.0M
Q3 25
$2.8B
$-882.0M
Q2 25
$2.8B
$-767.4M
Q1 25
$2.8B
$-698.5M
Q4 24
$2.8B
$-503.1M
Q3 24
$2.9B
$-259.0M
Q2 24
$2.9B
$-132.9M
Q1 24
$2.9B
$18.5M
Total Assets
CIEN
CIEN
IRM
IRM
Q4 25
$21.1B
Q3 25
$5.7B
$20.6B
Q2 25
$5.7B
$20.2B
Q1 25
$5.6B
$19.4B
Q4 24
$5.6B
$18.7B
Q3 24
$5.6B
$18.5B
Q2 24
$5.6B
$18.0B
Q1 24
$5.6B
$17.8B
Debt / Equity
CIEN
CIEN
IRM
IRM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
679.18×

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
IRM
IRM
Operating Cash FlowLast quarter
$174.3M
$500.0M
Free Cash FlowOCF − Capex
$134.6M
$-16.2M
FCF MarginFCF / Revenue
11.0%
-0.9%
Capex IntensityCapex / Revenue
3.3%
28.0%
Cash ConversionOCF / Net Profit
3.47×
5.37×
TTM Free Cash FlowTrailing 4 quarters
$605.5M
$-931.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
IRM
IRM
Q4 25
$500.0M
Q3 25
$174.3M
$267.6M
Q2 25
$156.9M
$375.1M
Q1 25
$103.7M
$197.3M
Q4 24
$349.4M
$431.6M
Q3 24
$-159.4M
$252.9M
Q2 24
$58.5M
$382.2M
Q1 24
$266.1M
$130.0M
Free Cash Flow
CIEN
CIEN
IRM
IRM
Q4 25
$-16.2M
Q3 25
$134.6M
$-256.3M
Q2 25
$128.2M
$-181.6M
Q1 25
$76.8M
$-477.5M
Q4 24
$265.8M
$-186.0M
Q3 24
$-179.0M
$-143.2M
Q2 24
$41.6M
$-14.6M
Q1 24
$249.5M
$-251.1M
FCF Margin
CIEN
CIEN
IRM
IRM
Q4 25
-0.9%
Q3 25
11.0%
-14.6%
Q2 25
11.4%
-10.6%
Q1 25
7.2%
-30.0%
Q4 24
23.6%
-11.8%
Q3 24
-19.0%
-9.2%
Q2 24
4.6%
-1.0%
Q1 24
24.0%
-17.0%
Capex Intensity
CIEN
CIEN
IRM
IRM
Q4 25
28.0%
Q3 25
3.3%
29.9%
Q2 25
2.6%
32.5%
Q1 25
2.5%
42.4%
Q4 24
7.4%
39.1%
Q3 24
2.1%
25.4%
Q2 24
1.9%
25.9%
Q1 24
1.6%
25.8%
Cash Conversion
CIEN
CIEN
IRM
IRM
Q4 25
5.37×
Q3 25
3.47×
3.10×
Q2 25
17.50×
Q1 25
2.33×
12.15×
Q4 24
9.44×
4.08×
Q3 24
-11.20×
Q2 24
11.04×
Q1 24
5.37×
1.69×

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%

IRM
IRM

Storage Rental$1.1B58%
Services$781.9M42%

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