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Side-by-side financial comparison of AerCap Holdings N.V. (AER) and ResMed (RMD). 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 $1.4B, roughly 1.3× ResMed). AerCap Holdings N.V. runs the higher net margin — 66.7% vs 27.6%, a 39.1% gap on every dollar of revenue. On growth, ResMed posted the faster year-over-year revenue change (11.0% 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.

ResMed Inc. is a medical equipment company based in San Diego, California, and founded in Australia. It primarily provides cloud-connectable medical devices for the treatment of sleep apnea, chronic obstructive pulmonary disease (COPD), and other respiratory conditions. Resmed produced hundreds of thousands of ventilators and bilevel devices to help treat the respiratory symptoms of patients with COVID-19.

AER vs RMD — Head-to-Head

Bigger by revenue
AER
AER
1.3× larger
AER
$1.9B
$1.4B
RMD
Growing faster (revenue YoY)
RMD
RMD
+14.6% gap
RMD
11.0%
-3.6%
AER
Higher net margin
AER
AER
39.1% more per $
AER
66.7%
27.6%
RMD

Income Statement — Q2 FY2025 vs Q2 FY2026

Metric
AER
AER
RMD
RMD
Revenue
$1.9B
$1.4B
Net Profit
$1.3B
$392.6M
Gross Margin
61.8%
Operating Margin
73.1%
34.6%
Net Margin
66.7%
27.6%
Revenue YoY
-3.6%
11.0%
Net Profit YoY
181.0%
13.9%
EPS (diluted)
$7.09
$2.68

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
RMD
RMD
Q4 25
$1.4B
Q3 25
$1.3B
Q2 25
$1.9B
$1.3B
Q1 25
$1.3B
Q4 24
$1.3B
Q3 24
$1.2B
Q2 24
$2.0B
$1.2B
Q1 24
$1.2B
Net Profit
AER
AER
RMD
RMD
Q4 25
$392.6M
Q3 25
$348.5M
Q2 25
$1.3B
$379.7M
Q1 25
$365.0M
Q4 24
$344.6M
Q3 24
$311.4M
Q2 24
$448.2M
$292.2M
Q1 24
$300.5M
Gross Margin
AER
AER
RMD
RMD
Q4 25
61.8%
Q3 25
61.5%
Q2 25
60.8%
Q1 25
59.3%
Q4 24
58.6%
Q3 24
58.6%
Q2 24
58.5%
Q1 24
57.9%
Operating Margin
AER
AER
RMD
RMD
Q4 25
34.6%
Q3 25
33.4%
Q2 25
73.1%
33.7%
Q1 25
33.0%
Q4 24
32.5%
Q3 24
31.6%
Q2 24
25.1%
31.2%
Q1 24
31.3%
Net Margin
AER
AER
RMD
RMD
Q4 25
27.6%
Q3 25
26.1%
Q2 25
66.7%
28.2%
Q1 25
28.3%
Q4 24
26.9%
Q3 24
25.4%
Q2 24
22.9%
23.9%
Q1 24
25.1%
EPS (diluted)
AER
AER
RMD
RMD
Q4 25
$2.68
Q3 25
$2.37
Q2 25
$7.09
$2.58
Q1 25
$2.48
Q4 24
$2.34
Q3 24
$2.11
Q2 24
$2.28
$1.97
Q1 24
$2.04

Balance Sheet & Financial Strength

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

Metric
AER
AER
RMD
RMD
Cash + ST InvestmentsLiquidity on hand
$2.7B
$1.4B
Total DebtLower is stronger
$46.1B
$403.9M
Stockholders' EquityBook value
$17.9B
$6.3B
Total Assets
$73.6B
$8.5B
Debt / EquityLower = less leverage
2.57×
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AER
AER
RMD
RMD
Q4 25
$1.4B
Q3 25
$1.4B
Q2 25
$2.7B
$1.2B
Q1 25
$932.7M
Q4 24
$521.9M
Q3 24
$426.4M
Q2 24
$1.4B
$238.4M
Q1 24
$237.9M
Total Debt
AER
AER
RMD
RMD
Q4 25
$403.9M
Q3 25
$408.7M
Q2 25
$46.1B
$658.4M
Q1 25
$663.1M
Q4 24
$662.9M
Q3 24
$667.6M
Q2 24
$45.7B
$697.3M
Q1 24
$997.0M
Stockholders' Equity
AER
AER
RMD
RMD
Q4 25
$6.3B
Q3 25
$6.1B
Q2 25
$17.9B
$6.0B
Q1 25
$5.5B
Q4 24
$5.3B
Q3 24
$5.2B
Q2 24
$17.0B
$4.9B
Q1 24
$4.6B
Total Assets
AER
AER
RMD
RMD
Q4 25
$8.5B
Q3 25
$8.3B
Q2 25
$73.6B
$8.2B
Q1 25
$7.6B
Q4 24
$7.1B
Q3 24
$7.2B
Q2 24
$71.1B
$6.9B
Q1 24
$6.8B
Debt / Equity
AER
AER
RMD
RMD
Q4 25
0.06×
Q3 25
0.07×
Q2 25
2.57×
0.11×
Q1 25
0.12×
Q4 24
0.13×
Q3 24
0.13×
Q2 24
2.69×
0.14×
Q1 24
0.22×

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
RMD
RMD
Operating Cash FlowLast quarter
$339.7M
Free Cash FlowOCF − Capex
$311.2M
FCF MarginFCF / Revenue
21.9%
Capex IntensityCapex / Revenue
2.0%
Cash ConversionOCF / Net Profit
0.87×
TTM Free Cash FlowTrailing 4 quarters
$1.8B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AER
AER
RMD
RMD
Q4 25
$339.7M
Q3 25
$457.3M
Q2 25
$538.8M
Q1 25
$578.7M
Q4 24
$308.6M
Q3 24
$325.5M
Q2 24
$440.1M
Q1 24
$402.0M
Free Cash Flow
AER
AER
RMD
RMD
Q4 25
$311.2M
Q3 25
$414.4M
Q2 25
$508.2M
Q1 25
$557.9M
Q4 24
$288.0M
Q3 24
$307.7M
Q2 24
$415.2M
Q1 24
$380.8M
FCF Margin
AER
AER
RMD
RMD
Q4 25
21.9%
Q3 25
31.0%
Q2 25
37.7%
Q1 25
43.2%
Q4 24
22.5%
Q3 24
25.1%
Q2 24
33.9%
Q1 24
31.8%
Capex Intensity
AER
AER
RMD
RMD
Q4 25
2.0%
Q3 25
3.2%
Q2 25
2.3%
Q1 25
1.6%
Q4 24
1.6%
Q3 24
1.5%
Q2 24
2.0%
Q1 24
1.8%
Cash Conversion
AER
AER
RMD
RMD
Q4 25
0.87×
Q3 25
1.31×
Q2 25
1.42×
Q1 25
1.59×
Q4 24
0.90×
Q3 24
1.05×
Q2 24
1.51×
Q1 24
1.34×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AER
AER

Segment breakdown not available.

RMD
RMD

Sleep And Breathing Health$1.3B88%
Residential Care Software$166.9M12%

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