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Side-by-side financial comparison of Amphenol (APH) and Leidos (LDOS). Click either name above to swap in a different company.

Amphenol is the larger business by last-quarter revenue ($6.4B vs $4.2B, roughly 1.5× Leidos). Amphenol runs the higher net margin — 18.6% vs 7.8%, a 10.8% gap on every dollar of revenue. On growth, Amphenol posted the faster year-over-year revenue change (49.1% vs -3.5%). Amphenol produced more free cash flow last quarter ($1.5B vs $452.0M). Over the past eight quarters, Amphenol's revenue compounded faster (40.6% CAGR vs 3.1%).

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.

Leidos Holdings, Inc. is an American defense, aviation, information technology, and biomedical research company headquartered in Reston, Virginia, that provides scientific, engineering, systems integration, and technical services. Founded as Science Applications International Corporation (SAIC), Leidos merged with Lockheed Martin's IT sector, Information Systems & Global Solutions, in August 2016 to create the defense industry’s largest IT services provider.

APH vs LDOS — Head-to-Head

Bigger by revenue
APH
APH
1.5× larger
APH
$6.4B
$4.2B
LDOS
Growing faster (revenue YoY)
APH
APH
+52.6% gap
APH
49.1%
-3.5%
LDOS
Higher net margin
APH
APH
10.8% more per $
APH
18.6%
7.8%
LDOS
More free cash flow
APH
APH
$1.0B more FCF
APH
$1.5B
$452.0M
LDOS
Faster 2-yr revenue CAGR
APH
APH
Annualised
APH
40.6%
3.1%
LDOS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
APH
APH
LDOS
LDOS
Revenue
$6.4B
$4.2B
Net Profit
$1.2B
$327.0M
Gross Margin
38.2%
17.4%
Operating Margin
26.8%
11.3%
Net Margin
18.6%
7.8%
Revenue YoY
49.1%
-3.5%
Net Profit YoY
60.2%
15.1%
EPS (diluted)
$0.93
$2.54

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
LDOS
LDOS
Q1 26
$4.2B
Q4 25
$6.4B
$4.4B
Q3 25
$6.2B
$4.2B
Q2 25
$5.7B
$4.2B
Q1 25
$4.8B
$4.3B
Q4 24
$4.3B
Q3 24
$4.0B
$4.2B
Q2 24
$3.6B
$4.1B
Net Profit
APH
APH
LDOS
LDOS
Q1 26
$327.0M
Q4 25
$1.2B
$367.0M
Q3 25
$1.2B
$391.0M
Q2 25
$1.1B
$363.0M
Q1 25
$737.8M
$284.0M
Q4 24
$746.1M
Q3 24
$604.4M
$364.0M
Q2 24
$524.8M
$322.0M
Gross Margin
APH
APH
LDOS
LDOS
Q1 26
17.4%
Q4 25
38.2%
18.0%
Q3 25
38.1%
18.0%
Q2 25
36.3%
17.5%
Q1 25
34.2%
15.6%
Q4 24
34.3%
Q3 24
33.6%
17.8%
Q2 24
33.6%
16.6%
Operating Margin
APH
APH
LDOS
LDOS
Q1 26
11.3%
Q4 25
26.8%
12.0%
Q3 25
27.5%
13.5%
Q2 25
25.1%
12.5%
Q1 25
21.3%
9.7%
Q4 24
22.1%
Q3 24
20.3%
12.4%
Q2 24
19.4%
11.6%
Net Margin
APH
APH
LDOS
LDOS
Q1 26
7.8%
Q4 25
18.6%
8.2%
Q3 25
20.1%
9.2%
Q2 25
19.3%
8.6%
Q1 25
15.3%
6.5%
Q4 24
17.3%
Q3 24
15.0%
8.7%
Q2 24
14.5%
7.8%
EPS (diluted)
APH
APH
LDOS
LDOS
Q1 26
$2.54
Q4 25
$0.93
$2.82
Q3 25
$0.97
$3.01
Q2 25
$0.86
$2.77
Q1 25
$0.58
$2.10
Q4 24
$0.16
Q3 24
$0.48
$2.68
Q2 24
$0.41
$2.37

Balance Sheet & Financial Strength

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

Metric
APH
APH
LDOS
LDOS
Cash + ST InvestmentsLiquidity on hand
$11.4B
$1.1B
Total DebtLower is stronger
$14.6B
$4.6B
Stockholders' EquityBook value
$13.4B
$4.9B
Total Assets
$36.2B
$13.5B
Debt / EquityLower = less leverage
1.09×
0.94×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APH
APH
LDOS
LDOS
Q1 26
$1.1B
Q4 25
$11.4B
$974.0M
Q3 25
$3.9B
$930.0M
Q2 25
$3.2B
$842.0M
Q1 25
$1.7B
$943.0M
Q4 24
$3.3B
Q3 24
$1.6B
$1.2B
Q2 24
$1.3B
$823.0M
Total Debt
APH
APH
LDOS
LDOS
Q1 26
$4.6B
Q4 25
$14.6B
$4.6B
Q3 25
$7.1B
$5.0B
Q2 25
$7.1B
$5.0B
Q1 25
$6.8B
$4.1B
Q4 24
$6.5B
Q3 24
$5.1B
$4.1B
Q2 24
$5.0B
$4.1B
Stockholders' Equity
APH
APH
LDOS
LDOS
Q1 26
$4.9B
Q4 25
$13.4B
$4.9B
Q3 25
$12.5B
$4.7B
Q2 25
$11.5B
$4.3B
Q1 25
$10.3B
$4.4B
Q4 24
$9.8B
Q3 24
$9.5B
$4.6B
Q2 24
$9.0B
$4.5B
Total Assets
APH
APH
LDOS
LDOS
Q1 26
$13.5B
Q4 25
$36.2B
$13.5B
Q3 25
$27.1B
$13.5B
Q2 25
$25.7B
$13.2B
Q1 25
$22.9B
$13.1B
Q4 24
$21.4B
Q3 24
$19.6B
$13.3B
Q2 24
$18.6B
$12.9B
Debt / Equity
APH
APH
LDOS
LDOS
Q1 26
0.94×
Q4 25
1.09×
0.94×
Q3 25
0.57×
1.07×
Q2 25
0.62×
1.18×
Q1 25
0.66×
0.92×
Q4 24
0.66×
Q3 24
0.54×
0.88×
Q2 24
0.56×
0.92×

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
LDOS
LDOS
Operating Cash FlowLast quarter
$1.7B
$495.0M
Free Cash FlowOCF − Capex
$1.5B
$452.0M
FCF MarginFCF / Revenue
22.8%
10.8%
Capex IntensityCapex / Revenue
3.9%
1.0%
Cash ConversionOCF / Net Profit
1.44×
1.51×
TTM Free Cash FlowTrailing 4 quarters
$4.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APH
APH
LDOS
LDOS
Q1 26
$495.0M
Q4 25
$1.7B
Q3 25
$1.5B
$711.0M
Q2 25
$1.4B
$58.0M
Q1 25
$764.9M
$299.0M
Q4 24
$847.1M
Q3 24
$704.0M
$656.0M
Q2 24
$664.1M
$374.0M
Free Cash Flow
APH
APH
LDOS
LDOS
Q1 26
$452.0M
Q4 25
$1.5B
Q3 25
$1.2B
$680.0M
Q2 25
$1.1B
$36.0M
Q1 25
$576.3M
$213.0M
Q4 24
$647.3M
Q3 24
$474.0M
$633.0M
Q2 24
$522.8M
$351.0M
FCF Margin
APH
APH
LDOS
LDOS
Q1 26
10.8%
Q4 25
22.8%
Q3 25
19.6%
16.1%
Q2 25
19.8%
0.9%
Q1 25
12.0%
4.9%
Q4 24
15.0%
Q3 24
11.7%
15.2%
Q2 24
14.5%
8.5%
Capex Intensity
APH
APH
LDOS
LDOS
Q1 26
1.0%
Q4 25
3.9%
Q3 25
4.2%
0.7%
Q2 25
5.3%
0.5%
Q1 25
3.9%
2.0%
Q4 24
4.6%
Q3 24
5.7%
0.6%
Q2 24
3.9%
0.6%
Cash Conversion
APH
APH
LDOS
LDOS
Q1 26
1.51×
Q4 25
1.44×
Q3 25
1.18×
1.82×
Q2 25
1.30×
0.16×
Q1 25
1.04×
1.05×
Q4 24
1.14×
Q3 24
1.16×
1.80×
Q2 24
1.27×
1.16×

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%

LDOS
LDOS

US Do D And US Intelligence Community$1.4B32%
Cost Reimbursement And Fixed Price Incentive Fee$1.0B24%
Commercial And International Segment$609.0M15%
Defense Systems Segment$546.0M13%
Other$358.0M9%
Time And Materials And Fixed Price Level Of Effort$295.0M7%
Commercial And Non US Customers$38.0M1%

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