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

Ametek is the larger business by last-quarter revenue ($1.9B vs $1.2B, roughly 1.6× CIENA CORP). Ametek runs the higher net margin — 20.7% vs 4.1%, a 16.6% gap on every dollar of revenue. Over the past eight quarters, Ametek's revenue compounded faster (5.4% CAGR vs 3.9%).

AMETEK, Inc. is an American multinational conglomerate and global designer and manufacturer of electronic instruments and electromechanical devices with headquarters in the United States and over 150 sites worldwide.

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).

AME vs CIEN — Head-to-Head

Bigger by revenue
AME
AME
1.6× larger
AME
$1.9B
$1.2B
CIEN
Higher net margin
AME
AME
16.6% more per $
AME
20.7%
4.1%
CIEN
Faster 2-yr revenue CAGR
AME
AME
Annualised
AME
5.4%
3.9%
CIEN

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
AME
AME
CIEN
CIEN
Revenue
$1.9B
$1.2B
Net Profit
$399.4M
$50.3M
Gross Margin
37.2%
41.3%
Operating Margin
26.7%
6.0%
Net Margin
20.7%
4.1%
Revenue YoY
11.3%
Net Profit YoY
13.5%
EPS (diluted)
$1.74
$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
AME
AME
CIEN
CIEN
Q1 26
$1.9B
Q4 25
$2.0B
Q3 25
$1.9B
$1.2B
Q2 25
$1.8B
$1.1B
Q1 25
$1.7B
$1.1B
Q4 24
$1.8B
$1.1B
Q3 24
$1.7B
$942.3M
Q2 24
$1.7B
$910.8M
Net Profit
AME
AME
CIEN
CIEN
Q1 26
$399.4M
Q4 25
$398.6M
Q3 25
$371.4M
$50.3M
Q2 25
$358.4M
$9.0M
Q1 25
$351.8M
$44.6M
Q4 24
$387.3M
$37.0M
Q3 24
$340.2M
$14.2M
Q2 24
$337.7M
$-16.8M
Gross Margin
AME
AME
CIEN
CIEN
Q1 26
37.2%
Q4 25
36.0%
Q3 25
36.3%
41.3%
Q2 25
35.8%
40.2%
Q1 25
36.1%
44.0%
Q4 24
36.6%
40.9%
Q3 24
36.0%
42.9%
Q2 24
36.0%
42.7%
Operating Margin
AME
AME
CIEN
CIEN
Q1 26
26.7%
Q4 25
25.3%
Q3 25
25.8%
6.0%
Q2 25
26.0%
2.9%
Q1 25
26.3%
7.5%
Q4 24
26.6%
5.3%
Q3 24
26.1%
2.8%
Q2 24
25.8%
-0.4%
Net Margin
AME
AME
CIEN
CIEN
Q1 26
20.7%
Q4 25
19.9%
Q3 25
19.6%
4.1%
Q2 25
20.2%
0.8%
Q1 25
20.3%
4.2%
Q4 24
22.0%
3.3%
Q3 24
19.9%
1.5%
Q2 24
19.5%
-1.8%
EPS (diluted)
AME
AME
CIEN
CIEN
Q1 26
$1.74
Q4 25
$1.73
Q3 25
$1.60
$0.35
Q2 25
$1.55
$0.06
Q1 25
$1.52
$0.31
Q4 24
$1.67
$0.26
Q3 24
$1.47
$0.10
Q2 24
$1.45
$-0.12

Balance Sheet & Financial Strength

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

Metric
AME
AME
CIEN
CIEN
Cash + ST InvestmentsLiquidity on hand
$481.3M
$1.3B
Total DebtLower is stronger
Stockholders' EquityBook value
$10.9B
$2.8B
Total Assets
$16.3B
$5.7B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AME
AME
CIEN
CIEN
Q1 26
$481.3M
Q4 25
$458.0M
Q3 25
$439.2M
$1.3B
Q2 25
$619.7M
$1.3B
Q1 25
$399.0M
$1.2B
Q4 24
$374.0M
$1.3B
Q3 24
$396.3M
$1.1B
Q2 24
$396.6M
$1.3B
Total Debt
AME
AME
CIEN
CIEN
Q1 26
Q4 25
$2.3B
Q3 25
Q2 25
Q1 25
Q4 24
$2.1B
Q3 24
Q2 24
Stockholders' Equity
AME
AME
CIEN
CIEN
Q1 26
$10.9B
Q4 25
$10.6B
Q3 25
$10.5B
$2.8B
Q2 25
$10.4B
$2.8B
Q1 25
$10.0B
$2.8B
Q4 24
$9.7B
$2.8B
Q3 24
$9.6B
$2.9B
Q2 24
$9.3B
$2.9B
Total Assets
AME
AME
CIEN
CIEN
Q1 26
$16.3B
Q4 25
$16.1B
Q3 25
$16.2B
$5.7B
Q2 25
$15.3B
$5.7B
Q1 25
$14.9B
$5.6B
Q4 24
$14.6B
$5.6B
Q3 24
$14.8B
$5.6B
Q2 24
$14.8B
$5.6B
Debt / Equity
AME
AME
CIEN
CIEN
Q1 26
Q4 25
0.21×
Q3 25
Q2 25
Q1 25
Q4 24
0.22×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

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

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AME
AME
CIEN
CIEN
Q1 26
Q4 25
$584.3M
Q3 25
$440.9M
$174.3M
Q2 25
$359.1M
$156.9M
Q1 25
$417.5M
$103.7M
Q4 24
$550.0M
$349.4M
Q3 24
$487.2M
$-159.4M
Q2 24
$381.4M
$58.5M
Free Cash Flow
AME
AME
CIEN
CIEN
Q1 26
Q4 25
$527.3M
Q3 25
$420.0M
$134.6M
Q2 25
$329.8M
$128.2M
Q1 25
$394.5M
$76.8M
Q4 24
$498.3M
$265.8M
Q3 24
$460.9M
$-179.0M
Q2 24
$360.0M
$41.6M
FCF Margin
AME
AME
CIEN
CIEN
Q1 26
Q4 25
26.4%
Q3 25
22.2%
11.0%
Q2 25
18.5%
11.4%
Q1 25
22.8%
7.2%
Q4 24
28.3%
23.6%
Q3 24
27.0%
-19.0%
Q2 24
20.8%
4.6%
Capex Intensity
AME
AME
CIEN
CIEN
Q1 26
Q4 25
2.9%
Q3 25
1.1%
3.3%
Q2 25
1.6%
2.6%
Q1 25
1.3%
2.5%
Q4 24
2.9%
7.4%
Q3 24
1.5%
2.1%
Q2 24
1.2%
1.9%
Cash Conversion
AME
AME
CIEN
CIEN
Q1 26
Q4 25
1.47×
Q3 25
1.19×
3.47×
Q2 25
1.00×
17.50×
Q1 25
1.19×
2.33×
Q4 24
1.42×
9.44×
Q3 24
1.43×
-11.20×
Q2 24
1.13×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AME
AME

Electronic Instruments$1.3B66%
Electromechanical$663.9M34%

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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