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Side-by-side financial comparison of AAR CORP (AIR) and SELECT MEDICAL HOLDINGS CORP (SEM). Click either name above to swap in a different company.
SELECT MEDICAL HOLDINGS CORP is the larger business by last-quarter revenue ($1.4B vs $795.3M, roughly 1.8× AAR CORP). SELECT MEDICAL HOLDINGS CORP runs the higher net margin — 4.5% vs 4.4%, a 0.1% gap on every dollar of revenue. On growth, AAR CORP posted the faster year-over-year revenue change (15.9% vs 5.0%).
AAR Corp. is an American provider of aircraft maintenance services to commercial and government customers worldwide. The company is headquartered in Wood Dale, Illinois, a Chicago suburb. The company employs about 6,000 people, operating in about 30 different countries. John Holmes is the current CEO.
Select Medical is a healthcare company based in Pennsylvania. It owns long-term acute care and inpatient rehabilitation hospitals, as well as occupational health and physical therapy clinics. Select Medical is a subsidiary of Select Medical Holdings, which is listed on the New York Stock Exchange.
AIR vs SEM — Head-to-Head
Income Statement — Q2 FY2026 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $795.3M | $1.4B |
| Net Profit | $34.6M | $63.8M |
| Gross Margin | 19.7% | — |
| Operating Margin | 6.0% | 6.9% |
| Net Margin | 4.4% | 4.5% |
| Revenue YoY | 15.9% | 5.0% |
| Net Profit YoY | 213.1% | -14.7% |
| EPS (diluted) | $0.90 | $0.35 |
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.
| Q1 26 | — | $1.4B | ||
| Q4 25 | $795.3M | $1.4B | ||
| Q3 25 | $739.6M | $1.4B | ||
| Q2 25 | — | $1.3B | ||
| Q1 25 | — | $1.4B | ||
| Q4 24 | — | $1.3B | ||
| Q3 24 | — | $1.3B | ||
| Q2 24 | — | $1.3B |
| Q1 26 | — | $63.8M | ||
| Q4 25 | $34.6M | $20.2M | ||
| Q3 25 | $34.4M | $28.8M | ||
| Q2 25 | — | $40.6M | ||
| Q1 25 | — | $56.7M | ||
| Q4 24 | — | $-16.1M | ||
| Q3 24 | — | $55.6M | ||
| Q2 24 | — | $77.6M |
| Q1 26 | — | — | ||
| Q4 25 | 19.7% | — | ||
| Q3 25 | 18.1% | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — |
| Q1 26 | — | 6.9% | ||
| Q4 25 | 6.0% | 4.6% | ||
| Q3 25 | 6.4% | 5.4% | ||
| Q2 25 | — | 6.5% | ||
| Q1 25 | — | 8.3% | ||
| Q4 24 | — | 1.6% | ||
| Q3 24 | — | 4.3% | ||
| Q2 24 | — | 5.8% |
| Q1 26 | — | 4.5% | ||
| Q4 25 | 4.4% | 1.4% | ||
| Q3 25 | 4.7% | 2.1% | ||
| Q2 25 | — | 3.0% | ||
| Q1 25 | — | 4.2% | ||
| Q4 24 | — | -1.2% | ||
| Q3 24 | — | 4.4% | ||
| Q2 24 | — | 6.1% |
| Q1 26 | — | $0.35 | ||
| Q4 25 | $0.90 | $0.17 | ||
| Q3 25 | $0.95 | $0.23 | ||
| Q2 25 | — | $0.32 | ||
| Q1 25 | — | $0.44 | ||
| Q4 24 | — | $-0.12 | ||
| Q3 24 | — | $0.43 | ||
| Q2 24 | — | $0.60 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $75.6M | $25.7M |
| Total DebtLower is stronger | $952.7M | $1.8B |
| Stockholders' EquityBook value | $1.6B | $2.1B |
| Total Assets | $3.2B | $6.0B |
| Debt / EquityLower = less leverage | 0.61× | 0.88× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $25.7M | ||
| Q4 25 | $75.6M | $26.5M | ||
| Q3 25 | $80.0M | $60.1M | ||
| Q2 25 | — | $52.3M | ||
| Q1 25 | — | $53.2M | ||
| Q4 24 | — | $59.7M | ||
| Q3 24 | — | $191.5M | ||
| Q2 24 | — | $111.2M |
| Q1 26 | — | $1.8B | ||
| Q4 25 | $952.7M | $1.8B | ||
| Q3 25 | $1.0B | $1.7B | ||
| Q2 25 | — | $1.8B | ||
| Q1 25 | — | $1.8B | ||
| Q4 24 | — | $1.7B | ||
| Q3 24 | — | $3.1B | ||
| Q2 24 | — | $3.6B |
| Q1 26 | — | $2.1B | ||
| Q4 25 | $1.6B | $1.7B | ||
| Q3 25 | $1.2B | $1.7B | ||
| Q2 25 | — | $1.7B | ||
| Q1 25 | — | $1.7B | ||
| Q4 24 | — | $1.7B | ||
| Q3 24 | — | $1.9B | ||
| Q2 24 | — | $1.4B |
| Q1 26 | — | $6.0B | ||
| Q4 25 | $3.2B | $5.9B | ||
| Q3 25 | $2.9B | $5.7B | ||
| Q2 25 | — | $5.7B | ||
| Q1 25 | — | $5.7B | ||
| Q4 24 | — | $5.6B | ||
| Q3 24 | — | $8.0B | ||
| Q2 24 | — | $7.9B |
| Q1 26 | — | 0.88× | ||
| Q4 25 | 0.61× | 1.06× | ||
| Q3 25 | 0.82× | 1.03× | ||
| Q2 25 | — | 1.10× | ||
| Q1 25 | — | 1.03× | ||
| Q4 24 | — | 1.01× | ||
| Q3 24 | — | 1.62× | ||
| Q2 24 | — | 2.54× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $13.6M | — |
| Free Cash FlowOCF − Capex | $6.2M | — |
| FCF MarginFCF / Revenue | 0.8% | — |
| Capex IntensityCapex / Revenue | 0.9% | — |
| Cash ConversionOCF / Net Profit | 0.39× | — |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $13.6M | $64.3M | ||
| Q3 25 | $-44.9M | $175.3M | ||
| Q2 25 | — | $110.3M | ||
| Q1 25 | — | $-3.5M | ||
| Q4 24 | — | $125.4M | ||
| Q3 24 | — | $181.0M | ||
| Q2 24 | — | $278.2M |
| Q1 26 | — | — | ||
| Q4 25 | $6.2M | $5.2M | ||
| Q3 25 | $-53.6M | $122.2M | ||
| Q2 25 | — | $45.6M | ||
| Q1 25 | — | $-55.8M | ||
| Q4 24 | — | $62.0M | ||
| Q3 24 | — | $130.3M | ||
| Q2 24 | — | $222.6M |
| Q1 26 | — | — | ||
| Q4 25 | 0.8% | 0.4% | ||
| Q3 25 | -7.2% | 9.0% | ||
| Q2 25 | — | 3.4% | ||
| Q1 25 | — | -4.1% | ||
| Q4 24 | — | 4.7% | ||
| Q3 24 | — | 10.2% | ||
| Q2 24 | — | 17.4% |
| Q1 26 | — | — | ||
| Q4 25 | 0.9% | 4.2% | ||
| Q3 25 | 1.2% | 3.9% | ||
| Q2 25 | — | 4.8% | ||
| Q1 25 | — | 3.9% | ||
| Q4 24 | — | 4.8% | ||
| Q3 24 | — | 4.0% | ||
| Q2 24 | — | 4.3% |
| Q1 26 | — | — | ||
| Q4 25 | 0.39× | 3.19× | ||
| Q3 25 | -1.31× | 6.09× | ||
| Q2 25 | — | 2.72× | ||
| Q1 25 | — | -0.06× | ||
| Q4 24 | — | — | ||
| Q3 24 | — | 3.25× | ||
| Q2 24 | — | 3.59× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AIR
| Commercial Customer | $268.1M | 34% |
| Repair And Engineering | $244.5M | 31% |
| Integrated Solutions | $175.8M | 22% |
| Government And Defense Customer | $85.5M | 11% |
| Expeditionary Services | $21.4M | 3% |
SEM
Segment breakdown not available.
