vs

Side-by-side financial comparison of Amphenol (APH) and Thermo Fisher Scientific (TMO). Click either name above to swap in a different company.

Thermo Fisher Scientific is the larger business by last-quarter revenue ($11.0B vs $6.4B, roughly 1.7× Amphenol). Amphenol runs the higher net margin — 18.6% vs 15.0%, a 3.5% gap on every dollar of revenue. On growth, Amphenol posted the faster year-over-year revenue change (49.1% vs 6.2%). Amphenol produced more free cash flow last quarter ($1.5B vs $825.0M). Over the past eight quarters, Amphenol's revenue compounded faster (40.6% CAGR vs 2.2%).

Amphenol Corporation is an American producer of electronic and fiber optic connectors, cable and interconnect systems such as coaxial cables. Amphenol is a portmanteau from the corporation's original name, American Phenolic Corp.

Thermo Fisher Scientific Inc. is an American life science and clinical research company. It is a global supplier of analytical instruments, clinical development solutions, specialty diagnostics, laboratory, pharmaceutical and biotechnology services. Based in Waltham, Massachusetts, Thermo Fisher was formed through the merger of Thermo Electron and Fisher Scientific in 2006.

APH vs TMO — Head-to-Head

Bigger by revenue
TMO
TMO
1.7× larger
TMO
$11.0B
$6.4B
APH
Growing faster (revenue YoY)
APH
APH
+42.9% gap
APH
49.1%
6.2%
TMO
Higher net margin
APH
APH
3.5% more per $
APH
18.6%
15.0%
TMO
More free cash flow
APH
APH
$643.5M more FCF
APH
$1.5B
$825.0M
TMO
Faster 2-yr revenue CAGR
APH
APH
Annualised
APH
40.6%
2.2%
TMO

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
APH
APH
TMO
TMO
Revenue
$6.4B
$11.0B
Net Profit
$1.2B
$1.7B
Gross Margin
38.2%
Operating Margin
26.8%
16.9%
Net Margin
18.6%
15.0%
Revenue YoY
49.1%
6.2%
Net Profit YoY
60.2%
9.6%
EPS (diluted)
$0.93
$4.43

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
APH
APH
TMO
TMO
Q1 26
$11.0B
Q4 25
$6.4B
$12.2B
Q3 25
$6.2B
$11.1B
Q2 25
$5.7B
$10.9B
Q1 25
$4.8B
$10.4B
Q4 24
$4.3B
$11.4B
Q3 24
$4.0B
$10.6B
Q2 24
$3.6B
$10.5B
Net Profit
APH
APH
TMO
TMO
Q1 26
$1.7B
Q4 25
$1.2B
$2.0B
Q3 25
$1.2B
$1.6B
Q2 25
$1.1B
$1.6B
Q1 25
$737.8M
$1.5B
Q4 24
$746.1M
$1.8B
Q3 24
$604.4M
$1.6B
Q2 24
$524.8M
$1.5B
Gross Margin
APH
APH
TMO
TMO
Q1 26
Q4 25
38.2%
Q3 25
38.1%
Q2 25
36.3%
Q1 25
34.2%
Q4 24
34.3%
Q3 24
33.6%
Q2 24
33.6%
Operating Margin
APH
APH
TMO
TMO
Q1 26
16.9%
Q4 25
26.8%
18.5%
Q3 25
27.5%
17.5%
Q2 25
25.1%
16.9%
Q1 25
21.3%
16.6%
Q4 24
22.1%
17.7%
Q3 24
20.3%
17.3%
Q2 24
19.4%
17.3%
Net Margin
APH
APH
TMO
TMO
Q1 26
15.0%
Q4 25
18.6%
16.1%
Q3 25
20.1%
14.5%
Q2 25
19.3%
14.9%
Q1 25
15.3%
14.6%
Q4 24
17.3%
16.0%
Q3 24
15.0%
15.4%
Q2 24
14.5%
14.7%
EPS (diluted)
APH
APH
TMO
TMO
Q1 26
$4.43
Q4 25
$0.93
$5.21
Q3 25
$0.97
$4.27
Q2 25
$0.86
$4.28
Q1 25
$0.58
$3.98
Q4 24
$0.16
$4.78
Q3 24
$0.48
$4.25
Q2 24
$0.41
$4.04

Balance Sheet & Financial Strength

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

Metric
APH
APH
TMO
TMO
Cash + ST InvestmentsLiquidity on hand
$11.4B
$3.3B
Total DebtLower is stronger
$14.6B
Stockholders' EquityBook value
$13.4B
$51.9B
Total Assets
$36.2B
$113.3B
Debt / EquityLower = less leverage
1.09×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APH
APH
TMO
TMO
Q1 26
$3.3B
Q4 25
$11.4B
$10.1B
Q3 25
$3.9B
$3.5B
Q2 25
$3.2B
$6.4B
Q1 25
$1.7B
$5.9B
Q4 24
$3.3B
$5.6B
Q3 24
$1.6B
$6.6B
Q2 24
$1.3B
$8.8B
Total Debt
APH
APH
TMO
TMO
Q1 26
Q4 25
$14.6B
$35.9B
Q3 25
$7.1B
$31.9B
Q2 25
$7.1B
$33.0B
Q1 25
$6.8B
$31.4B
Q4 24
$6.5B
$29.1B
Q3 24
$5.1B
$31.2B
Q2 24
$5.0B
$30.3B
Stockholders' Equity
APH
APH
TMO
TMO
Q1 26
$51.9B
Q4 25
$13.4B
$53.4B
Q3 25
$12.5B
$51.0B
Q2 25
$11.5B
$50.5B
Q1 25
$10.3B
$49.4B
Q4 24
$9.8B
$49.6B
Q3 24
$9.5B
$49.0B
Q2 24
$9.0B
$47.4B
Total Assets
APH
APH
TMO
TMO
Q1 26
$113.3B
Q4 25
$36.2B
$110.3B
Q3 25
$27.1B
$103.0B
Q2 25
$25.7B
$101.2B
Q1 25
$22.9B
$99.0B
Q4 24
$21.4B
$97.3B
Q3 24
$19.6B
$100.4B
Q2 24
$18.6B
$98.5B
Debt / Equity
APH
APH
TMO
TMO
Q1 26
Q4 25
1.09×
0.67×
Q3 25
0.57×
0.62×
Q2 25
0.62×
0.65×
Q1 25
0.66×
0.64×
Q4 24
0.66×
0.59×
Q3 24
0.54×
0.64×
Q2 24
0.56×
0.64×

Cash Flow & Capital Efficiency

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

Metric
APH
APH
TMO
TMO
Operating Cash FlowLast quarter
$1.7B
$1.2B
Free Cash FlowOCF − Capex
$1.5B
$825.0M
FCF MarginFCF / Revenue
22.8%
7.5%
Capex IntensityCapex / Revenue
3.9%
Cash ConversionOCF / Net Profit
1.44×
0.72×
TTM Free Cash FlowTrailing 4 quarters
$4.4B
$6.8B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APH
APH
TMO
TMO
Q1 26
$1.2B
Q4 25
$1.7B
$3.5B
Q3 25
$1.5B
$2.2B
Q2 25
$1.4B
$1.4B
Q1 25
$764.9M
$723.0M
Q4 24
$847.1M
$3.3B
Q3 24
$704.0M
$2.2B
Q2 24
$664.1M
$2.0B
Free Cash Flow
APH
APH
TMO
TMO
Q1 26
$825.0M
Q4 25
$1.5B
$3.0B
Q3 25
$1.2B
$1.8B
Q2 25
$1.1B
$1.1B
Q1 25
$576.3M
$361.0M
Q4 24
$647.3M
$2.8B
Q3 24
$474.0M
$1.9B
Q2 24
$522.8M
$1.7B
FCF Margin
APH
APH
TMO
TMO
Q1 26
7.5%
Q4 25
22.8%
24.5%
Q3 25
19.6%
16.5%
Q2 25
19.8%
10.2%
Q1 25
12.0%
3.5%
Q4 24
15.0%
24.7%
Q3 24
11.7%
17.9%
Q2 24
14.5%
15.7%
Capex Intensity
APH
APH
TMO
TMO
Q1 26
Q4 25
3.9%
3.8%
Q3 25
4.2%
3.6%
Q2 25
5.3%
2.7%
Q1 25
3.9%
3.5%
Q4 24
4.6%
4.2%
Q3 24
5.7%
2.6%
Q2 24
3.9%
2.9%
Cash Conversion
APH
APH
TMO
TMO
Q1 26
0.72×
Q4 25
1.44×
1.75×
Q3 25
1.18×
1.39×
Q2 25
1.30×
0.87×
Q1 25
1.04×
0.48×
Q4 24
1.14×
1.80×
Q3 24
1.16×
1.33×
Q2 24
1.27×
1.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

APH
APH

Communications Solutions Segment$3.5B54%
Harsh Environment Solutions Segment$1.7B26%
Sales Channel Through Intermediary$1.4B21%

TMO
TMO

Laboratory Products and Biopharma Services$6.0B55%
Life Sciences Solutions$2.6B24%
Analytical Instruments$1.7B16%
Specialty Diagnostics$1.1B10%

Related Comparisons