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

EPAM Systems is the larger business by last-quarter revenue ($1.4B vs $1.2B, roughly 1.2× CIENA CORP). EPAM Systems runs the higher net margin — 7.8% vs 4.1%, a 3.6% gap on every dollar of revenue. EPAM Systems produced more free cash flow last quarter ($268.1M vs $134.6M). Over the past eight quarters, EPAM Systems's revenue compounded faster (9.9% 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).

EPAM Systems, Inc. is an American company that specializes in software engineering services, digital platform engineering, and digital product design, operating out of Newtown, Pennsylvania. EPAM is a founding member of the MACH Alliance.

CIEN vs EPAM — Head-to-Head

Bigger by revenue
EPAM
EPAM
1.2× larger
EPAM
$1.4B
$1.2B
CIEN
Higher net margin
EPAM
EPAM
3.6% more per $
EPAM
7.8%
4.1%
CIEN
More free cash flow
EPAM
EPAM
$133.5M more FCF
EPAM
$268.1M
$134.6M
CIEN
Faster 2-yr revenue CAGR
EPAM
EPAM
Annualised
EPAM
9.9%
3.9%
CIEN

Income Statement — Q3 FY2025 vs Q4 FY2025

Metric
CIEN
CIEN
EPAM
EPAM
Revenue
$1.2B
$1.4B
Net Profit
$50.3M
$109.4M
Gross Margin
41.3%
30.1%
Operating Margin
6.0%
10.6%
Net Margin
4.1%
7.8%
Revenue YoY
12.8%
Net Profit YoY
5.9%
EPS (diluted)
$0.35
$1.97

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
EPAM
EPAM
Q4 25
$1.4B
Q3 25
$1.2B
$1.4B
Q2 25
$1.1B
$1.4B
Q1 25
$1.1B
$1.3B
Q4 24
$1.1B
$1.2B
Q3 24
$942.3M
$1.2B
Q2 24
$910.8M
$1.1B
Q1 24
$1.0B
$1.2B
Net Profit
CIEN
CIEN
EPAM
EPAM
Q4 25
$109.4M
Q3 25
$50.3M
$106.8M
Q2 25
$9.0M
$88.0M
Q1 25
$44.6M
$73.5M
Q4 24
$37.0M
$103.3M
Q3 24
$14.2M
$136.3M
Q2 24
$-16.8M
$98.6M
Q1 24
$49.5M
$116.2M
Gross Margin
CIEN
CIEN
EPAM
EPAM
Q4 25
30.1%
Q3 25
41.3%
29.5%
Q2 25
40.2%
28.8%
Q1 25
44.0%
26.9%
Q4 24
40.9%
30.4%
Q3 24
42.9%
34.6%
Q2 24
42.7%
29.3%
Q1 24
45.0%
28.4%
Operating Margin
CIEN
CIEN
EPAM
EPAM
Q4 25
10.6%
Q3 25
6.0%
10.4%
Q2 25
2.9%
9.3%
Q1 25
7.5%
7.6%
Q4 24
5.3%
10.9%
Q3 24
2.8%
15.2%
Q2 24
-0.4%
10.5%
Q1 24
8.2%
9.5%
Net Margin
CIEN
CIEN
EPAM
EPAM
Q4 25
7.8%
Q3 25
4.1%
7.7%
Q2 25
0.8%
6.5%
Q1 25
4.2%
5.6%
Q4 24
3.3%
8.3%
Q3 24
1.5%
11.7%
Q2 24
-1.8%
8.6%
Q1 24
4.8%
10.0%
EPS (diluted)
CIEN
CIEN
EPAM
EPAM
Q4 25
$1.97
Q3 25
$0.35
$1.91
Q2 25
$0.06
$1.56
Q1 25
$0.31
$1.28
Q4 24
$0.26
$1.80
Q3 24
$0.10
$2.37
Q2 24
$-0.12
$1.70
Q1 24
$0.34
$1.97

Balance Sheet & Financial Strength

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

Metric
CIEN
CIEN
EPAM
EPAM
Cash + ST InvestmentsLiquidity on hand
$1.3B
$1.3B
Total DebtLower is stronger
Stockholders' EquityBook value
$2.8B
$3.7B
Total Assets
$5.7B
$4.9B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CIEN
CIEN
EPAM
EPAM
Q4 25
$1.3B
Q3 25
$1.3B
$1.2B
Q2 25
$1.3B
$1.0B
Q1 25
$1.2B
$1.2B
Q4 24
$1.3B
$1.3B
Q3 24
$1.1B
$2.1B
Q2 24
$1.3B
$1.8B
Q1 24
$1.4B
$2.0B
Stockholders' Equity
CIEN
CIEN
EPAM
EPAM
Q4 25
$3.7B
Q3 25
$2.8B
$3.7B
Q2 25
$2.8B
$3.7B
Q1 25
$2.8B
$3.6B
Q4 24
$2.8B
$3.6B
Q3 24
$2.9B
$3.6B
Q2 24
$2.9B
$3.4B
Q1 24
$2.9B
$3.5B
Total Assets
CIEN
CIEN
EPAM
EPAM
Q4 25
$4.9B
Q3 25
$5.7B
$4.8B
Q2 25
$5.7B
$4.7B
Q1 25
$5.6B
$4.7B
Q4 24
$5.6B
$4.8B
Q3 24
$5.6B
$4.5B
Q2 24
$5.6B
$4.2B
Q1 24
$5.6B
$4.4B

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
EPAM
EPAM
Operating Cash FlowLast quarter
$174.3M
$282.9M
Free Cash FlowOCF − Capex
$134.6M
$268.1M
FCF MarginFCF / Revenue
11.0%
19.0%
Capex IntensityCapex / Revenue
3.3%
1.1%
Cash ConversionOCF / Net Profit
3.47×
2.59×
TTM Free Cash FlowTrailing 4 quarters
$605.5M
$612.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CIEN
CIEN
EPAM
EPAM
Q4 25
$282.9M
Q3 25
$174.3M
$294.7M
Q2 25
$156.9M
$53.2M
Q1 25
$103.7M
$24.2M
Q4 24
$349.4M
$130.3M
Q3 24
$-159.4M
$242.0M
Q2 24
$58.5M
$57.0M
Q1 24
$266.1M
$129.9M
Free Cash Flow
CIEN
CIEN
EPAM
EPAM
Q4 25
$268.1M
Q3 25
$134.6M
$286.4M
Q2 25
$128.2M
$43.4M
Q1 25
$76.8M
$14.8M
Q4 24
$265.8M
$114.5M
Q3 24
$-179.0M
$237.0M
Q2 24
$41.6M
$52.3M
Q1 24
$249.5M
$123.2M
FCF Margin
CIEN
CIEN
EPAM
EPAM
Q4 25
19.0%
Q3 25
11.0%
20.5%
Q2 25
11.4%
3.2%
Q1 25
7.2%
1.1%
Q4 24
23.6%
9.2%
Q3 24
-19.0%
20.3%
Q2 24
4.6%
4.6%
Q1 24
24.0%
10.6%
Capex Intensity
CIEN
CIEN
EPAM
EPAM
Q4 25
1.1%
Q3 25
3.3%
0.6%
Q2 25
2.6%
0.7%
Q1 25
2.5%
0.7%
Q4 24
7.4%
1.3%
Q3 24
2.1%
0.4%
Q2 24
1.9%
0.4%
Q1 24
1.6%
0.6%
Cash Conversion
CIEN
CIEN
EPAM
EPAM
Q4 25
2.59×
Q3 25
3.47×
2.76×
Q2 25
17.50×
0.60×
Q1 25
2.33×
0.33×
Q4 24
9.44×
1.26×
Q3 24
-11.20×
1.77×
Q2 24
0.58×
Q1 24
5.37×
1.12×

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%

EPAM
EPAM

Segment breakdown not available.

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