vs

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

Steris is the larger business by last-quarter revenue ($1.5B vs $1.2B, roughly 1.2× CIENA CORP). Steris runs the higher net margin — 12.9% vs 4.1%, a 8.8% gap on every dollar of revenue. Steris produced more free cash flow last quarter ($199.5M vs $134.6M). Over the past eight quarters, Steris's revenue compounded faster (15.8% 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).

Steris plc is an American-Irish-based medical equipment company specializing in sterilization and surgical products for the US healthcare system. Steris is operationally headquartered in Mentor, Ohio, and has been legally registered in Dublin, Ireland, for tax purposes since 2018. Previously the company was registered in the United Kingdom from 2014 to 2018.

CIEN vs STE — Head-to-Head

Bigger by revenue
STE
STE
1.2× larger
STE
$1.5B
$1.2B
CIEN
Higher net margin
STE
STE
8.8% more per $
STE
12.9%
4.1%
CIEN
More free cash flow
STE
STE
$64.9M more FCF
STE
$199.5M
$134.6M
CIEN
Faster 2-yr revenue CAGR
STE
STE
Annualised
STE
15.8%
3.9%
CIEN

Income Statement — Q3 FY2025 vs Q3 FY2026

Metric
CIEN
CIEN
STE
STE
Revenue
$1.2B
$1.5B
Net Profit
$50.3M
$192.9M
Gross Margin
41.3%
43.8%
Operating Margin
6.0%
18.3%
Net Margin
4.1%
12.9%
Revenue YoY
9.2%
Net Profit YoY
11.2%
EPS (diluted)
$0.35
$1.96

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
STE
STE
Q4 25
$1.5B
Q3 25
$1.2B
$1.5B
Q2 25
$1.1B
$1.4B
Q1 25
$1.1B
$1.5B
Q4 24
$1.1B
$1.4B
Q3 24
$942.3M
$1.3B
Q2 24
$910.8M
$1.3B
Q1 24
$1.0B
$1.1B
Net Profit
CIEN
CIEN
STE
STE
Q4 25
$192.9M
Q3 25
$50.3M
$191.9M
Q2 25
$9.0M
$177.4M
Q1 25
$44.6M
$145.7M
Q4 24
$37.0M
$173.5M
Q3 24
$14.2M
$150.0M
Q2 24
$-16.8M
$145.4M
Q1 24
$49.5M
$-1.4M
Gross Margin
CIEN
CIEN
STE
STE
Q4 25
43.8%
Q3 25
41.3%
44.2%
Q2 25
40.2%
45.1%
Q1 25
44.0%
43.3%
Q4 24
40.9%
44.5%
Q3 24
42.9%
43.6%
Q2 24
42.7%
44.7%
Q1 24
45.0%
40.2%
Operating Margin
CIEN
CIEN
STE
STE
Q4 25
18.3%
Q3 25
6.0%
18.2%
Q2 25
2.9%
17.7%
Q1 25
7.5%
14.6%
Q4 24
5.3%
17.9%
Q3 24
2.8%
16.5%
Q2 24
-0.4%
14.5%
Q1 24
8.2%
22.0%
Net Margin
CIEN
CIEN
STE
STE
Q4 25
12.9%
Q3 25
4.1%
13.1%
Q2 25
0.8%
12.8%
Q1 25
4.2%
9.8%
Q4 24
3.3%
12.7%
Q3 24
1.5%
11.3%
Q2 24
-1.8%
11.4%
Q1 24
4.8%
-0.1%
EPS (diluted)
CIEN
CIEN
STE
STE
Q4 25
$1.96
Q3 25
$0.35
$1.94
Q2 25
$0.06
$1.79
Q1 25
$0.31
$1.48
Q4 24
$0.26
$1.75
Q3 24
$0.10
$1.51
Q2 24
$-0.12
$1.46
Q1 24
$0.34
$-0.02

Balance Sheet & Financial Strength

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

Metric
CIEN
CIEN
STE
STE
Cash + ST InvestmentsLiquidity on hand
$1.3B
$423.7M
Total DebtLower is stronger
$1.9B
Stockholders' EquityBook value
$2.8B
$7.2B
Total Assets
$5.7B
$10.6B
Debt / EquityLower = less leverage
0.27×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
STE
STE
Q4 25
$423.7M
Q3 25
$1.3B
$319.2M
Q2 25
$1.3B
$279.7M
Q1 25
$1.2B
$171.7M
Q4 24
$1.3B
$155.2M
Q3 24
$1.1B
$172.2M
Q2 24
$1.3B
$198.3M
Q1 24
$1.4B
$207.0M
Total Debt
CIEN
CIEN
STE
STE
Q4 25
$1.9B
Q3 25
$1.9B
Q2 25
$1.9B
Q1 25
$1.9B
Q4 24
$2.0B
Q3 24
$2.2B
Q2 24
$2.2B
Q1 24
$3.1B
Stockholders' Equity
CIEN
CIEN
STE
STE
Q4 25
$7.2B
Q3 25
$2.8B
$7.0B
Q2 25
$2.8B
$7.0B
Q1 25
$2.8B
$6.6B
Q4 24
$2.8B
$6.4B
Q3 24
$2.9B
$6.6B
Q2 24
$2.9B
$6.4B
Q1 24
$2.9B
$6.3B
Total Assets
CIEN
CIEN
STE
STE
Q4 25
$10.6B
Q3 25
$5.7B
$10.4B
Q2 25
$5.7B
$10.4B
Q1 25
$5.6B
$10.1B
Q4 24
$5.6B
$10.0B
Q3 24
$5.6B
$10.2B
Q2 24
$5.6B
$10.1B
Q1 24
$5.6B
$11.1B
Debt / Equity
CIEN
CIEN
STE
STE
Q4 25
0.27×
Q3 25
0.27×
Q2 25
0.27×
Q1 25
0.29×
Q4 24
0.32×
Q3 24
0.33×
Q2 24
0.35×
Q1 24
0.50×

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
STE
STE
Operating Cash FlowLast quarter
$174.3M
$298.2M
Free Cash FlowOCF − Capex
$134.6M
$199.5M
FCF MarginFCF / Revenue
11.0%
13.3%
Capex IntensityCapex / Revenue
3.3%
6.6%
Cash ConversionOCF / Net Profit
3.47×
1.55×
TTM Free Cash FlowTrailing 4 quarters
$605.5M
$917.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
STE
STE
Q4 25
$298.2M
Q3 25
$174.3M
$287.8M
Q2 25
$156.9M
$420.0M
Q1 25
$103.7M
$260.8M
Q4 24
$349.4M
$332.8M
Q3 24
$-159.4M
$250.7M
Q2 24
$58.5M
$303.7M
Q1 24
$266.1M
$254.8M
Free Cash Flow
CIEN
CIEN
STE
STE
Q4 25
$199.5M
Q3 25
$134.6M
$201.3M
Q2 25
$128.2M
$326.4M
Q1 25
$76.8M
$189.9M
Q4 24
$265.8M
$243.6M
Q3 24
$-179.0M
$148.8M
Q2 24
$41.6M
$195.7M
Q1 24
$249.5M
$163.3M
FCF Margin
CIEN
CIEN
STE
STE
Q4 25
13.3%
Q3 25
11.0%
13.8%
Q2 25
11.4%
23.5%
Q1 25
7.2%
12.8%
Q4 24
23.6%
17.8%
Q3 24
-19.0%
11.2%
Q2 24
4.6%
15.3%
Q1 24
24.0%
14.6%
Capex Intensity
CIEN
CIEN
STE
STE
Q4 25
6.6%
Q3 25
3.3%
5.9%
Q2 25
2.6%
6.7%
Q1 25
2.5%
4.8%
Q4 24
7.4%
6.5%
Q3 24
2.1%
7.7%
Q2 24
1.9%
8.4%
Q1 24
1.6%
8.2%
Cash Conversion
CIEN
CIEN
STE
STE
Q4 25
1.55×
Q3 25
3.47×
1.50×
Q2 25
17.50×
2.37×
Q1 25
2.33×
1.79×
Q4 24
9.44×
1.92×
Q3 24
-11.20×
1.67×
Q2 24
2.09×
Q1 24
5.37×

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%

STE
STE

Servicerevenues$404.7M27%
Consumablerevenues$387.1M26%
Applied Sterilization Technologies$286.6M19%
Capitalequipmentrevenues$272.1M18%
Life Science$145.8M10%

Related Comparisons