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Side-by-side financial comparison of MUELLER INDUSTRIES INC (MLI) and ON Semiconductor (ON). Click either name above to swap in a different company.

ON Semiconductor is the larger business by last-quarter revenue ($1.6B vs $962.4M, roughly 1.6× MUELLER INDUSTRIES INC). ON Semiconductor runs the higher net margin — 16.4% vs 16.0%, a 0.5% gap on every dollar of revenue. On growth, MUELLER INDUSTRIES INC posted the faster year-over-year revenue change (4.2% vs -10.0%). ON Semiconductor produced more free cash flow last quarter ($372.4M vs $121.4M). Over the past eight quarters, MUELLER INDUSTRIES INC's revenue compounded faster (6.4% CAGR vs -12.3%).

Mueller Industries is an American manufacturing company that specializes in piping, industrial metals and climate machinery. It was founded in 1917 and is included on the Fortune 1000 list in 2022. The head office of the company is located in Memphis, Tennessee. Mueller Industries, Inc. is a multi-billion dollar revenue company that is publicly traded.

Fairchild Semiconductor International, Inc. was an American semiconductor company based in San Jose, California. It was founded in 1957 as a division of Fairchild Camera and Instrument by the "traitorous eight" who defected from Shockley Semiconductor Laboratory. It became a pioneer in the manufacturing of transistors and of integrated circuits. Schlumberger bought the firm in 1979 and sold it to National Semiconductor in 1987; Fairchild was spun off as an independent company again in 1997. I...

MLI vs ON — Head-to-Head

Bigger by revenue
ON
ON
1.6× larger
ON
$1.6B
$962.4M
MLI
Growing faster (revenue YoY)
MLI
MLI
+14.2% gap
MLI
4.2%
-10.0%
ON
Higher net margin
ON
ON
0.5% more per $
ON
16.4%
16.0%
MLI
More free cash flow
ON
ON
$251.0M more FCF
ON
$372.4M
$121.4M
MLI
Faster 2-yr revenue CAGR
MLI
MLI
Annualised
MLI
6.4%
-12.3%
ON

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
MLI
MLI
ON
ON
Revenue
$962.4M
$1.6B
Net Profit
$153.7M
$255.0M
Gross Margin
37.9%
Operating Margin
17.9%
17.0%
Net Margin
16.0%
16.4%
Revenue YoY
4.2%
-10.0%
Net Profit YoY
11.7%
-32.9%
EPS (diluted)
$1.37
$0.63

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
MLI
MLI
ON
ON
Q4 25
$962.4M
$1.6B
Q3 25
$1.1B
$1.5B
Q2 25
$1.1B
$1.4B
Q1 25
$1.0B
Q4 24
$923.5M
$1.7B
Q3 24
$997.8M
$1.8B
Q2 24
$997.7M
$1.7B
Q1 24
$849.7M
$1.9B
Net Profit
MLI
MLI
ON
ON
Q4 25
$153.7M
$255.0M
Q3 25
$208.1M
$170.3M
Q2 25
$245.9M
$-486.1M
Q1 25
$157.4M
Q4 24
$137.7M
$379.9M
Q3 24
$168.7M
$401.7M
Q2 24
$160.2M
$338.2M
Q1 24
$138.4M
$453.0M
Gross Margin
MLI
MLI
ON
ON
Q4 25
37.9%
Q3 25
37.6%
Q2 25
20.3%
Q1 25
Q4 24
45.2%
Q3 24
27.6%
45.4%
Q2 24
27.3%
45.2%
Q1 24
28.4%
45.8%
Operating Margin
MLI
MLI
ON
ON
Q4 25
17.9%
17.0%
Q3 25
25.6%
13.2%
Q2 25
26.7%
-39.7%
Q1 25
20.6%
Q4 24
18.4%
23.7%
Q3 24
20.7%
25.3%
Q2 24
21.0%
22.4%
Q1 24
21.6%
28.2%
Net Margin
MLI
MLI
ON
ON
Q4 25
16.0%
16.4%
Q3 25
19.3%
11.6%
Q2 25
21.6%
-33.6%
Q1 25
15.7%
Q4 24
14.9%
22.1%
Q3 24
16.9%
22.8%
Q2 24
16.1%
19.5%
Q1 24
16.3%
24.3%
EPS (diluted)
MLI
MLI
ON
ON
Q4 25
$1.37
$0.63
Q3 25
$1.88
$0.41
Q2 25
$2.22
$-1.15
Q1 25
$1.39
Q4 24
$1.21
$0.88
Q3 24
$1.48
$0.93
Q2 24
$1.41
$0.78
Q1 24
$1.21
$1.04

Balance Sheet & Financial Strength

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

Metric
MLI
MLI
ON
ON
Cash + ST InvestmentsLiquidity on hand
$1.4B
$2.9B
Total DebtLower is stronger
$3.4B
Stockholders' EquityBook value
$3.2B
$7.9B
Total Assets
$3.7B
$13.0B
Debt / EquityLower = less leverage
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MLI
MLI
ON
ON
Q4 25
$1.4B
$2.9B
Q3 25
$1.3B
$2.8B
Q2 25
$1.1B
$3.0B
Q1 25
$873.6M
Q4 24
$1.1B
$3.0B
Q3 24
$969.6M
$2.8B
Q2 24
$825.7M
$2.7B
Q1 24
$1.4B
$2.6B
Total Debt
MLI
MLI
ON
ON
Q4 25
$3.4B
Q3 25
$3.4B
Q2 25
$3.4B
Q1 25
Q4 24
$3.4B
Q3 24
$3.4B
Q2 24
$3.4B
Q1 24
$3.4B
Stockholders' Equity
MLI
MLI
ON
ON
Q4 25
$3.2B
$7.9B
Q3 25
$3.1B
$7.9B
Q2 25
$2.9B
$8.0B
Q1 25
$2.7B
Q4 24
$2.8B
$8.8B
Q3 24
$2.7B
$8.6B
Q2 24
$2.5B
$8.3B
Q1 24
$2.4B
$8.1B
Total Assets
MLI
MLI
ON
ON
Q4 25
$3.7B
$13.0B
Q3 25
$3.7B
$13.1B
Q2 25
$3.5B
$13.3B
Q1 25
$3.2B
Q4 24
$3.3B
$14.1B
Q3 24
$3.2B
$13.9B
Q2 24
$3.1B
$13.7B
Q1 24
$2.9B
$13.5B
Debt / Equity
MLI
MLI
ON
ON
Q4 25
0.43×
Q3 25
0.43×
Q2 25
0.42×
Q1 25
Q4 24
0.38×
Q3 24
0.39×
Q2 24
0.41×
Q1 24
0.42×

Cash Flow & Capital Efficiency

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

Metric
MLI
MLI
ON
ON
Operating Cash FlowLast quarter
$141.2M
$418.7M
Free Cash FlowOCF − Capex
$121.4M
$372.4M
FCF MarginFCF / Revenue
12.6%
24.0%
Capex IntensityCapex / Revenue
2.1%
3.0%
Cash ConversionOCF / Net Profit
0.92×
1.64×
TTM Free Cash FlowTrailing 4 quarters
$686.6M
$1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MLI
MLI
ON
ON
Q4 25
$141.2M
$418.7M
Q3 25
$310.1M
$184.3M
Q2 25
$190.6M
$602.3M
Q1 25
$113.6M
Q4 24
$140.1M
$579.7M
Q3 24
$231.4M
$465.8M
Q2 24
$100.8M
$362.2M
Q1 24
$173.6M
$498.7M
Free Cash Flow
MLI
MLI
ON
ON
Q4 25
$121.4M
$372.4M
Q3 25
$291.8M
$106.1M
Q2 25
$176.5M
$454.7M
Q1 25
$97.0M
Q4 24
$111.2M
$434.8M
Q3 24
$205.7M
$293.6M
Q2 24
$91.6M
$207.7M
Q1 24
$157.2M
$276.3M
FCF Margin
MLI
MLI
ON
ON
Q4 25
12.6%
24.0%
Q3 25
27.1%
7.2%
Q2 25
15.5%
31.5%
Q1 25
9.7%
Q4 24
12.0%
25.2%
Q3 24
20.6%
16.7%
Q2 24
9.2%
12.0%
Q1 24
18.5%
14.8%
Capex Intensity
MLI
MLI
ON
ON
Q4 25
2.1%
3.0%
Q3 25
1.7%
5.3%
Q2 25
1.2%
10.2%
Q1 25
1.7%
Q4 24
3.1%
8.4%
Q3 24
2.6%
9.8%
Q2 24
0.9%
8.9%
Q1 24
1.9%
11.9%
Cash Conversion
MLI
MLI
ON
ON
Q4 25
0.92×
1.64×
Q3 25
1.49×
1.08×
Q2 25
0.78×
Q1 25
0.72×
Q4 24
1.02×
1.53×
Q3 24
1.37×
1.16×
Q2 24
0.63×
1.07×
Q1 24
1.25×
1.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MLI
MLI

Tube And Fittings$484.6M50%
Industrial Metals$252.2M26%
Valves And Plumbing Specialties$122.5M13%
Flex Duct And Other HVAC Components$80.8M8%
Other Products$14.9M2%

ON
ON

Industrial Segment$426.3M27%
Other End Markets Segment$337.3M22%
Intelligent Sensing Segments$284.0M18%
Direct Customers$282.4M18%
Intelligent Sensing Group$230.0M15%

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