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Side-by-side financial comparison of AerCap Holdings N.V. (AER) and State Street Corporation (STT), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.
State Street Corporation is the larger business by last-quarter revenue ($3.7B vs $1.9B, roughly 1.9× AerCap Holdings N.V.). AerCap Holdings N.V. runs the higher net margin — 66.7% vs 20.4%, a 46.4% gap on every dollar of revenue. On growth, State Street Corporation posted the faster year-over-year revenue change (7.5% 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.
State Street Corporation is an American multinational financial services and bank holding company headquartered at One Congress Street in Boston. It is the second-oldest continuously operating U.S. bank, tracing its roots to Union Bank, chartered in 1792. As of the third quarter of 2025, State Street is one of the world's largest asset managers and custodians, with approximately US$5.4 trillion in assets under management and US$51.7 trillion under custody and administration.
AER vs STT — Head-to-Head
Income Statement — Q2 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $1.9B | $3.7B |
| Net Profit | $1.3B | $747.0M |
| Gross Margin | — | — |
| Operating Margin | 73.1% | 25.0% |
| Net Margin | 66.7% | 20.4% |
| Revenue YoY | -3.6% | 7.5% |
| Net Profit YoY | 181.0% | -4.6% |
| EPS (diluted) | $7.09 | $2.41 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align — see 8-quarter trend below.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history — bar widths are scaled to the larger of the two companies so you can eyeball the size gap and growth trajectory without doing math. Quarters aligned by calendar period (report date) so offset fiscal years line up.
| Q4 25 | — | $3.7B | ||
| Q3 25 | — | $3.5B | ||
| Q2 25 | $1.9B | $3.4B | ||
| Q1 25 | — | $3.3B | ||
| Q4 24 | — | $3.4B | ||
| Q3 24 | — | $3.3B | ||
| Q2 24 | $2.0B | $3.2B | ||
| Q1 24 | — | $3.1B |
| Q4 25 | — | $747.0M | ||
| Q3 25 | — | $861.0M | ||
| Q2 25 | $1.3B | $693.0M | ||
| Q1 25 | — | $644.0M | ||
| Q4 24 | — | $783.0M | ||
| Q3 24 | — | $730.0M | ||
| Q2 24 | $448.2M | $711.0M | ||
| Q1 24 | — | $463.0M |
| Q4 25 | — | 25.0% | ||
| Q3 25 | — | 31.1% | ||
| Q2 25 | 73.1% | 25.8% | ||
| Q1 25 | — | 25.0% | ||
| Q4 24 | — | 28.1% | ||
| Q3 24 | — | 28.4% | ||
| Q2 24 | 25.1% | 28.6% | ||
| Q1 24 | — | 19.1% |
| Q4 25 | — | 20.4% | ||
| Q3 25 | — | 24.3% | ||
| Q2 25 | 66.7% | 20.1% | ||
| Q1 25 | — | 19.6% | ||
| Q4 24 | — | 22.9% | ||
| Q3 24 | — | 22.4% | ||
| Q2 24 | 22.9% | 22.3% | ||
| Q1 24 | — | 14.8% |
| Q4 25 | — | $2.41 | ||
| Q3 25 | — | $2.78 | ||
| Q2 25 | $7.09 | $2.17 | ||
| Q1 25 | — | $2.04 | ||
| Q4 24 | — | $2.43 | ||
| Q3 24 | — | $2.26 | ||
| Q2 24 | $2.28 | $2.15 | ||
| Q1 24 | — | $1.37 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest filing — the kind of financial-strength check premium terminals charge for.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $2.7B | — |
| Total DebtLower is stronger | $46.1B | — |
| Stockholders' EquityBook value | $17.9B | $27.8B |
| Total Assets | $73.6B | $366.0B |
| Debt / EquityLower = less leverage | 2.57× | — |
8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | $2.7B | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | $1.4B | — | ||
| Q1 24 | — | — |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | $46.1B | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | $45.7B | — | ||
| Q1 24 | — | — |
| Q4 25 | — | $27.8B | ||
| Q3 25 | — | $27.6B | ||
| Q2 25 | $17.9B | $27.3B | ||
| Q1 25 | — | $26.7B | ||
| Q4 24 | — | $25.3B | ||
| Q3 24 | — | $25.8B | ||
| Q2 24 | $17.0B | $24.8B | ||
| Q1 24 | — | $24.4B |
| Q4 25 | — | $366.0B | ||
| Q3 25 | — | $371.1B | ||
| Q2 25 | $73.6B | $376.7B | ||
| Q1 25 | — | $372.7B | ||
| Q4 24 | — | $353.2B | ||
| Q3 24 | — | $338.5B | ||
| Q2 24 | $71.1B | $325.6B | ||
| Q1 24 | — | $338.0B |
| 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. Net income can be massaged; cash flow is harder to fake.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | — | $10.0B |
| Free Cash FlowOCF − Capex | — | $9.8B |
| FCF MarginFCF / Revenue | — | 266.6% |
| Capex IntensityCapex / Revenue; lower = less reinvestment burden | — | 7.3% |
| Cash ConversionOCF / Net Profit; >1× = earnings back up with cash | — | 13.44× |
| TTM Free Cash FlowTrailing 4 quarters | — | $10.8B |
8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.
| Q4 25 | — | $10.0B | ||
| Q3 25 | — | $7.9B | ||
| Q2 25 | — | $-8.4B | ||
| Q1 25 | — | $2.4B | ||
| Q4 24 | — | $-7.4B | ||
| Q3 24 | — | $2.7B | ||
| Q2 24 | — | $-7.6B | ||
| Q1 24 | — | $-844.0M |
| Q4 25 | — | $9.8B | ||
| Q3 25 | — | $7.7B | ||
| Q2 25 | — | $-8.8B | ||
| Q1 25 | — | $2.2B | ||
| Q4 24 | — | $-7.7B | ||
| Q3 24 | — | $2.5B | ||
| Q2 24 | — | $-7.9B | ||
| Q1 24 | — | $-1.1B |
| Q4 25 | — | 266.6% | ||
| Q3 25 | — | 216.0% | ||
| Q2 25 | — | -254.1% | ||
| Q1 25 | — | 66.1% | ||
| Q4 24 | — | -225.1% | ||
| Q3 24 | — | 75.9% | ||
| Q2 24 | — | -246.2% | ||
| Q1 24 | — | -34.2% |
| Q4 25 | — | 7.3% | ||
| Q3 25 | — | 6.9% | ||
| Q2 25 | — | 9.3% | ||
| Q1 25 | — | 6.9% | ||
| Q4 24 | — | 7.3% | ||
| Q3 24 | — | 7.2% | ||
| Q2 24 | — | 6.7% | ||
| Q1 24 | — | 7.3% |
| Q4 25 | — | 13.44× | ||
| Q3 25 | — | 9.18× | ||
| Q2 25 | — | -12.18× | ||
| Q1 25 | — | 3.72× | ||
| Q4 24 | — | -9.49× | ||
| Q3 24 | — | 3.71× | ||
| Q2 24 | — | -10.75× | ||
| Q1 24 | — | -1.82× |
Financial Flow Comparison
Sankey diagram of revenue → gross profit → operating profit → net profit for each company. Charts shown full-width and stacked so both segment hierarchies are readable side-by-side on desktop and mobile.
Revenue Breakdown by Segment
AER
Segment breakdown not available.
STT
| Other | $2.1B | 56% |
| Investment Management | $729.0M | 20% |
| Management Services | $662.0M | 18% |
| Foreign Exchange Trading Services | $102.0M | 3% |
| Other Fee Revenue | $56.0M | 2% |
| Securities Financing Services | $54.0M | 1% |
