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Side-by-side financial comparison of AerCap Holdings N.V. (AER) and KLA Corporation (KLAC). Click either name above to swap in a different company.

KLA Corporation is the larger business by last-quarter revenue ($3.3B vs $1.9B, roughly 1.7× AerCap Holdings N.V.). AerCap Holdings N.V. runs the higher net margin — 66.7% vs 34.7%, a 32.0% gap on every dollar of revenue. On growth, KLA Corporation posted the faster year-over-year revenue change (7.2% 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.

KLA Corporation is an American company based in Milpitas, California that makes wafer fab equipment. It supplies process control and yield management systems for the semiconductor industry and other related nanoelectronics industries. The company's products and services are intended for all phases of wafer, reticle, integrated circuit (IC) and packaging production, from research and development to final volume manufacturing.

AER vs KLAC — Head-to-Head

Bigger by revenue
KLAC
KLAC
1.7× larger
KLAC
$3.3B
$1.9B
AER
Growing faster (revenue YoY)
KLAC
KLAC
+10.8% gap
KLAC
7.2%
-3.6%
AER
Higher net margin
AER
AER
32.0% more per $
AER
66.7%
34.7%
KLAC

Income Statement — Q2 FY2025 vs Q2 FY2026

Metric
AER
AER
KLAC
KLAC
Revenue
$1.9B
$3.3B
Net Profit
$1.3B
$1.1B
Gross Margin
61.4%
Operating Margin
73.1%
Net Margin
66.7%
34.7%
Revenue YoY
-3.6%
7.2%
Net Profit YoY
181.0%
39.0%
EPS (diluted)
$7.09
$8.68

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
KLAC
KLAC
Q4 25
$3.3B
Q3 25
$3.2B
Q2 25
$1.9B
$3.2B
Q1 25
$3.1B
Q4 24
$3.1B
Q3 24
$2.8B
Q2 24
$2.0B
$2.6B
Q1 24
$2.4B
Net Profit
AER
AER
KLAC
KLAC
Q4 25
$1.1B
Q3 25
$1.1B
Q2 25
$1.3B
$1.2B
Q1 25
$1.1B
Q4 24
$824.5M
Q3 24
$945.9M
Q2 24
$448.2M
$836.4M
Q1 24
$601.5M
Gross Margin
AER
AER
KLAC
KLAC
Q4 25
61.4%
Q3 25
61.3%
Q2 25
62.0%
Q1 25
61.6%
Q4 24
60.3%
Q3 24
59.6%
Q2 24
60.7%
Q1 24
57.9%
Operating Margin
AER
AER
KLAC
KLAC
Q4 25
Q3 25
Q2 25
73.1%
41.9%
Q1 25
41.3%
Q4 24
31.6%
Q3 24
38.0%
Q2 24
25.1%
36.8%
Q1 24
29.7%
Net Margin
AER
AER
KLAC
KLAC
Q4 25
34.7%
Q3 25
34.9%
Q2 25
66.7%
37.9%
Q1 25
35.5%
Q4 24
26.8%
Q3 24
33.3%
Q2 24
22.9%
32.6%
Q1 24
25.5%
EPS (diluted)
AER
AER
KLAC
KLAC
Q4 25
$8.68
Q3 25
$8.47
Q2 25
$7.09
$9.04
Q1 25
$8.16
Q4 24
$6.16
Q3 24
$7.01
Q2 24
$2.28
$6.16
Q1 24
$4.43

Balance Sheet & Financial Strength

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

Metric
AER
AER
KLAC
KLAC
Cash + ST InvestmentsLiquidity on hand
$2.7B
$2.5B
Total DebtLower is stronger
$46.1B
$5.9B
Stockholders' EquityBook value
$17.9B
$5.5B
Total Assets
$73.6B
$16.7B
Debt / EquityLower = less leverage
2.57×
1.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AER
AER
KLAC
KLAC
Q4 25
$2.5B
Q3 25
$1.9B
Q2 25
$2.7B
$2.1B
Q1 25
$1.9B
Q4 24
$1.8B
Q3 24
$2.0B
Q2 24
$1.4B
$2.0B
Q1 24
$1.8B
Total Debt
AER
AER
KLAC
KLAC
Q4 25
$5.9B
Q3 25
$5.9B
Q2 25
$46.1B
$5.9B
Q1 25
$5.9B
Q4 24
$5.9B
Q3 24
$5.9B
Q2 24
$45.7B
$5.9B
Q1 24
$5.9B
Stockholders' Equity
AER
AER
KLAC
KLAC
Q4 25
$5.5B
Q3 25
$5.0B
Q2 25
$17.9B
$4.7B
Q1 25
$4.0B
Q4 24
$3.6B
Q3 24
$3.6B
Q2 24
$17.0B
$3.4B
Q1 24
$3.1B
Total Assets
AER
AER
KLAC
KLAC
Q4 25
$16.7B
Q3 25
$16.3B
Q2 25
$73.6B
$16.1B
Q1 25
$15.2B
Q4 24
$15.0B
Q3 24
$15.7B
Q2 24
$71.1B
$15.4B
Q1 24
$15.0B
Debt / Equity
AER
AER
KLAC
KLAC
Q4 25
1.08×
Q3 25
1.18×
Q2 25
2.57×
1.25×
Q1 25
1.47×
Q4 24
1.64×
Q3 24
1.65×
Q2 24
2.69×
1.75×
Q1 24
1.90×

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
KLAC
KLAC
Operating Cash FlowLast quarter
$1.4B
Free Cash FlowOCF − Capex
$1.3B
FCF MarginFCF / Revenue
38.3%
Capex IntensityCapex / Revenue
3.2%
Cash ConversionOCF / Net Profit
1.19×
TTM Free Cash FlowTrailing 4 quarters
$4.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AER
AER
KLAC
KLAC
Q4 25
$1.4B
Q3 25
$1.2B
Q2 25
$1.2B
Q1 25
$1.1B
Q4 24
$849.5M
Q3 24
$995.2M
Q2 24
$892.6M
Q1 24
$910.0M
Free Cash Flow
AER
AER
KLAC
KLAC
Q4 25
$1.3B
Q3 25
$1.1B
Q2 25
$1.1B
Q1 25
$990.0M
Q4 24
$757.2M
Q3 24
$934.8M
Q2 24
$831.9M
Q1 24
$838.2M
FCF Margin
AER
AER
KLAC
KLAC
Q4 25
38.3%
Q3 25
33.2%
Q2 25
33.5%
Q1 25
32.3%
Q4 24
24.6%
Q3 24
32.9%
Q2 24
32.4%
Q1 24
35.5%
Capex Intensity
AER
AER
KLAC
KLAC
Q4 25
3.2%
Q3 25
3.0%
Q2 25
3.2%
Q1 25
2.7%
Q4 24
3.0%
Q3 24
2.1%
Q2 24
2.4%
Q1 24
3.0%
Cash Conversion
AER
AER
KLAC
KLAC
Q4 25
1.19×
Q3 25
1.04×
Q2 25
0.97×
Q1 25
0.99×
Q4 24
1.03×
Q3 24
1.05×
Q2 24
1.07×
Q1 24
1.51×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AER
AER

Segment breakdown not available.

KLAC
KLAC

Wafer Inspection$1.6B48%
Services$786.1M24%
Patterning$696.2M21%
Specialty Semiconductor Process$121.6M4%
PCB And Component Inspection$80.3M2%
Other Revenue$40.2M1%

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