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Side-by-side financial comparison of AerCap Holdings N.V. (AER) and MUELLER INDUSTRIES INC (MLI). Click either name above to swap in a different company.

AerCap Holdings N.V. is the larger business by last-quarter revenue ($1.9B vs $962.4M, roughly 2.0× MUELLER INDUSTRIES INC). AerCap Holdings N.V. runs the higher net margin — 66.7% vs 16.0%, a 50.8% gap on every dollar of revenue. On growth, MUELLER INDUSTRIES INC posted the faster year-over-year revenue change (4.2% vs -3.6%).

AerCap Holdings N.V. is an Irish-American aviation leasing company headquartered in Dublin, Ireland, with offices around the world. AerCap is listed on the NYSE with the ticker 'AER'. It became the largest aviation leasing company in the world following the acquisition of ILFC in 2014, and GECAS from GE in 2021, for over $30 billion.

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.

AER vs MLI — Head-to-Head

Bigger by revenue
AER
AER
2.0× larger
AER
$1.9B
$962.4M
MLI
Growing faster (revenue YoY)
MLI
MLI
+7.9% gap
MLI
4.2%
-3.6%
AER
Higher net margin
AER
AER
50.8% more per $
AER
66.7%
16.0%
MLI

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
AER
AER
MLI
MLI
Revenue
$1.9B
$962.4M
Net Profit
$1.3B
$153.7M
Gross Margin
Operating Margin
73.1%
17.9%
Net Margin
66.7%
16.0%
Revenue YoY
-3.6%
4.2%
Net Profit YoY
181.0%
11.7%
EPS (diluted)
$7.09
$1.37

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
AER
AER
MLI
MLI
Q4 25
$962.4M
Q3 25
$1.1B
Q2 25
$1.9B
$1.1B
Q1 25
$1.0B
Q4 24
$923.5M
Q3 24
$997.8M
Q2 24
$2.0B
$997.7M
Q1 24
$849.7M
Net Profit
AER
AER
MLI
MLI
Q4 25
$153.7M
Q3 25
$208.1M
Q2 25
$1.3B
$245.9M
Q1 25
$157.4M
Q4 24
$137.7M
Q3 24
$168.7M
Q2 24
$448.2M
$160.2M
Q1 24
$138.4M
Gross Margin
AER
AER
MLI
MLI
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
27.6%
Q2 24
27.3%
Q1 24
28.4%
Operating Margin
AER
AER
MLI
MLI
Q4 25
17.9%
Q3 25
25.6%
Q2 25
73.1%
26.7%
Q1 25
20.6%
Q4 24
18.4%
Q3 24
20.7%
Q2 24
25.1%
21.0%
Q1 24
21.6%
Net Margin
AER
AER
MLI
MLI
Q4 25
16.0%
Q3 25
19.3%
Q2 25
66.7%
21.6%
Q1 25
15.7%
Q4 24
14.9%
Q3 24
16.9%
Q2 24
22.9%
16.1%
Q1 24
16.3%
EPS (diluted)
AER
AER
MLI
MLI
Q4 25
$1.37
Q3 25
$1.88
Q2 25
$7.09
$2.22
Q1 25
$1.39
Q4 24
$1.21
Q3 24
$1.48
Q2 24
$2.28
$1.41
Q1 24
$1.21

Balance Sheet & Financial Strength

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

Metric
AER
AER
MLI
MLI
Cash + ST InvestmentsLiquidity on hand
$2.7B
$1.4B
Total DebtLower is stronger
$46.1B
Stockholders' EquityBook value
$17.9B
$3.2B
Total Assets
$73.6B
$3.7B
Debt / EquityLower = less leverage
2.57×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AER
AER
MLI
MLI
Q4 25
$1.4B
Q3 25
$1.3B
Q2 25
$2.7B
$1.1B
Q1 25
$873.6M
Q4 24
$1.1B
Q3 24
$969.6M
Q2 24
$1.4B
$825.7M
Q1 24
$1.4B
Total Debt
AER
AER
MLI
MLI
Q4 25
Q3 25
Q2 25
$46.1B
Q1 25
Q4 24
Q3 24
Q2 24
$45.7B
Q1 24
Stockholders' Equity
AER
AER
MLI
MLI
Q4 25
$3.2B
Q3 25
$3.1B
Q2 25
$17.9B
$2.9B
Q1 25
$2.7B
Q4 24
$2.8B
Q3 24
$2.7B
Q2 24
$17.0B
$2.5B
Q1 24
$2.4B
Total Assets
AER
AER
MLI
MLI
Q4 25
$3.7B
Q3 25
$3.7B
Q2 25
$73.6B
$3.5B
Q1 25
$3.2B
Q4 24
$3.3B
Q3 24
$3.2B
Q2 24
$71.1B
$3.1B
Q1 24
$2.9B
Debt / Equity
AER
AER
MLI
MLI
Q4 25
Q3 25
Q2 25
2.57×
Q1 25
Q4 24
Q3 24
Q2 24
2.69×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
AER
AER
MLI
MLI
Operating Cash FlowLast quarter
$141.2M
Free Cash FlowOCF − Capex
$121.4M
FCF MarginFCF / Revenue
12.6%
Capex IntensityCapex / Revenue
2.1%
Cash ConversionOCF / Net Profit
0.92×
TTM Free Cash FlowTrailing 4 quarters
$686.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AER
AER
MLI
MLI
Q4 25
$141.2M
Q3 25
$310.1M
Q2 25
$190.6M
Q1 25
$113.6M
Q4 24
$140.1M
Q3 24
$231.4M
Q2 24
$100.8M
Q1 24
$173.6M
Free Cash Flow
AER
AER
MLI
MLI
Q4 25
$121.4M
Q3 25
$291.8M
Q2 25
$176.5M
Q1 25
$97.0M
Q4 24
$111.2M
Q3 24
$205.7M
Q2 24
$91.6M
Q1 24
$157.2M
FCF Margin
AER
AER
MLI
MLI
Q4 25
12.6%
Q3 25
27.1%
Q2 25
15.5%
Q1 25
9.7%
Q4 24
12.0%
Q3 24
20.6%
Q2 24
9.2%
Q1 24
18.5%
Capex Intensity
AER
AER
MLI
MLI
Q4 25
2.1%
Q3 25
1.7%
Q2 25
1.2%
Q1 25
1.7%
Q4 24
3.1%
Q3 24
2.6%
Q2 24
0.9%
Q1 24
1.9%
Cash Conversion
AER
AER
MLI
MLI
Q4 25
0.92×
Q3 25
1.49×
Q2 25
0.78×
Q1 25
0.72×
Q4 24
1.02×
Q3 24
1.37×
Q2 24
0.63×
Q1 24
1.25×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AER
AER

Segment breakdown not available.

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%

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