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Side-by-side financial comparison of Align Technology (ALGN) and Lennox International (LII). Click either name above to swap in a different company.
Lennox International is the larger business by last-quarter revenue ($1.2B vs $1.0B, roughly 1.1× Align Technology). Lennox International runs the higher net margin — 13.6% vs 10.8%, a 2.7% gap on every dollar of revenue. On growth, Align Technology posted the faster year-over-year revenue change (6.2% vs -11.2%). Over the past eight quarters, Lennox International's revenue compounded faster (6.8% CAGR vs 0.6%).
Align Technology, Inc., a medical device company, designs, manufactures, and markets Invisalign clear aligners and iTero intraoral scanners and services for orthodontists and general practitioner dentists, and restorative and aesthetic dentistry. It operates in two segments, Clear Aligner; and Scanners and Services. The Clear Aligner segment consists of comprehensive products, including Invisalign comprehensive treatment that addresses the orthodontic needs of teenage patients, such as mandib...
Lennox International Inc. is an American provider of climate control products for the heating, ventilation, and air conditioning (HVAC) and refrigeration markets. Based in Richardson, Texas, the company is 9.8% owned by John W. Norris, III, a descendant of DW Norris, who acquired the company in 1904. The company's largest production facilities are in Saltillo, Mexico, Marshalltown, Iowa, and Orangeburg, South Carolina.
ALGN vs LII — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $1.0B | $1.2B |
| Net Profit | $112.8M | $162.1M |
| Gross Margin | 70.8% | 34.7% |
| Operating Margin | 13.6% | 18.6% |
| Net Margin | 10.8% | 13.6% |
| Revenue YoY | 6.2% | -11.2% |
| Net Profit YoY | 21.0% | -18.0% |
| EPS (diluted) | $1.57 | $4.62 |
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 | $1.0B | — | ||
| Q4 25 | $1.0B | $1.2B | ||
| Q3 25 | $995.7M | $1.4B | ||
| Q2 25 | $1.0B | $1.5B | ||
| Q1 25 | $979.3M | $1.1B | ||
| Q4 24 | $995.2M | $1.3B | ||
| Q3 24 | $977.9M | $1.5B | ||
| Q2 24 | $1.0B | $1.5B |
| Q1 26 | $112.8M | — | ||
| Q4 25 | $135.8M | $162.1M | ||
| Q3 25 | $56.8M | $245.8M | ||
| Q2 25 | $124.6M | $277.6M | ||
| Q1 25 | $93.2M | $120.3M | ||
| Q4 24 | $103.8M | $197.7M | ||
| Q3 24 | $116.0M | $239.0M | ||
| Q2 24 | $96.6M | $245.9M |
| Q1 26 | 70.8% | — | ||
| Q4 25 | 65.3% | 34.7% | ||
| Q3 25 | 64.2% | 32.8% | ||
| Q2 25 | 69.9% | 34.8% | ||
| Q1 25 | 69.5% | 30.6% | ||
| Q4 24 | 70.0% | 33.9% | ||
| Q3 24 | 69.7% | 32.6% | ||
| Q2 24 | 70.3% | 33.6% |
| Q1 26 | 13.6% | — | ||
| Q4 25 | 14.8% | 18.6% | ||
| Q3 25 | 9.7% | 21.7% | ||
| Q2 25 | 16.1% | 23.6% | ||
| Q1 25 | 13.4% | 14.5% | ||
| Q4 24 | 14.5% | 18.2% | ||
| Q3 24 | 16.6% | 20.2% | ||
| Q2 24 | 14.3% | 22.1% |
| Q1 26 | 10.8% | — | ||
| Q4 25 | 13.0% | 13.6% | ||
| Q3 25 | 5.7% | 17.2% | ||
| Q2 25 | 12.3% | 18.5% | ||
| Q1 25 | 9.5% | 11.2% | ||
| Q4 24 | 10.4% | 14.7% | ||
| Q3 24 | 11.9% | 16.0% | ||
| Q2 24 | 9.4% | 16.9% |
| Q1 26 | $1.57 | — | ||
| Q4 25 | $1.88 | $4.62 | ||
| Q3 25 | $0.78 | $6.98 | ||
| Q2 25 | $1.72 | $7.82 | ||
| Q1 25 | $1.27 | $3.37 | ||
| Q4 24 | $1.40 | $5.52 | ||
| Q3 24 | $1.55 | $6.68 | ||
| Q2 24 | $1.28 | $6.87 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.1B | $34.7M |
| Total DebtLower is stronger | — | $1.1B |
| Stockholders' EquityBook value | $4.1B | $1.2B |
| Total Assets | $6.3B | $4.1B |
| Debt / EquityLower = less leverage | — | 0.98× |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $1.1B | — | ||
| Q4 25 | $1.1B | $34.7M | ||
| Q3 25 | $1.0B | $59.2M | ||
| Q2 25 | $901.2M | $55.1M | ||
| Q1 25 | $873.0M | $222.9M | ||
| Q4 24 | $1.0B | $422.3M | ||
| Q3 24 | $1.0B | $255.7M | ||
| Q2 24 | $761.4M | $57.8M |
| Q1 26 | — | — | ||
| Q4 25 | — | $1.1B | ||
| Q3 25 | — | $838.2M | ||
| Q2 25 | — | $835.7M | ||
| Q1 25 | — | $834.2M | ||
| Q4 24 | — | $833.1M | ||
| Q3 24 | — | $827.6M | ||
| Q2 24 | — | $1.1B |
| Q1 26 | $4.1B | — | ||
| Q4 25 | $4.0B | $1.2B | ||
| Q3 25 | $4.0B | $1.1B | ||
| Q2 25 | $3.9B | $900.5M | ||
| Q1 25 | $3.8B | $852.5M | ||
| Q4 24 | $3.9B | $850.2M | ||
| Q3 24 | $3.9B | $754.0M | ||
| Q2 24 | $3.8B | $577.4M |
| Q1 26 | $6.3B | — | ||
| Q4 25 | $6.2B | $4.1B | ||
| Q3 25 | $6.2B | $3.5B | ||
| Q2 25 | $6.2B | $3.7B | ||
| Q1 25 | $6.1B | $3.5B | ||
| Q4 24 | $6.2B | $3.5B | ||
| Q3 24 | $6.4B | $3.3B | ||
| Q2 24 | $6.2B | $3.2B |
| Q1 26 | — | — | ||
| Q4 25 | — | 0.98× | ||
| Q3 25 | — | 0.78× | ||
| Q2 25 | — | 0.93× | ||
| Q1 25 | — | 0.98× | ||
| Q4 24 | — | 0.98× | ||
| Q3 24 | — | 1.10× | ||
| Q2 24 | — | 1.95× |
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 | $151.0M | $405.9M |
| Free Cash FlowOCF − Capex | — | $376.7M |
| FCF MarginFCF / Revenue | — | 31.5% |
| Capex IntensityCapex / Revenue | — | 2.4% |
| Cash ConversionOCF / Net Profit | 1.34× | 2.50× |
| TTM Free Cash FlowTrailing 4 quarters | — | $638.8M |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $151.0M | — | ||
| Q4 25 | $223.2M | $405.9M | ||
| Q3 25 | $188.7M | $300.7M | ||
| Q2 25 | $128.7M | $86.8M | ||
| Q1 25 | $52.7M | $-35.8M | ||
| Q4 24 | $286.1M | $332.4M | ||
| Q3 24 | $263.7M | $452.1M | ||
| Q2 24 | $159.8M | $184.0M |
| Q1 26 | — | — | ||
| Q4 25 | $187.3M | $376.7M | ||
| Q3 25 | $169.0M | $265.1M | ||
| Q2 25 | $107.2M | $58.3M | ||
| Q1 25 | $27.4M | $-61.3M | ||
| Q4 24 | $263.1M | $272.2M | ||
| Q3 24 | $233.9M | $410.9M | ||
| Q2 24 | $106.4M | $151.3M |
| Q1 26 | — | — | ||
| Q4 25 | 17.9% | 31.5% | ||
| Q3 25 | 17.0% | 18.6% | ||
| Q2 25 | 10.6% | 3.9% | ||
| Q1 25 | 2.8% | -5.7% | ||
| Q4 24 | 26.4% | 20.2% | ||
| Q3 24 | 23.9% | 27.4% | ||
| Q2 24 | 10.3% | 10.4% |
| Q1 26 | — | — | ||
| Q4 25 | 3.4% | 2.4% | ||
| Q3 25 | 2.0% | 2.5% | ||
| Q2 25 | 2.1% | 1.9% | ||
| Q1 25 | 2.6% | 2.4% | ||
| Q4 24 | 2.3% | 4.5% | ||
| Q3 24 | 3.0% | 2.8% | ||
| Q2 24 | 5.2% | 2.3% |
| Q1 26 | 1.34× | — | ||
| Q4 25 | 1.64× | 2.50× | ||
| Q3 25 | 3.33× | 1.22× | ||
| Q2 25 | 1.03× | 0.31× | ||
| Q1 25 | 0.57× | -0.30× | ||
| Q4 24 | 2.76× | 1.68× | ||
| Q3 24 | 2.27× | 1.89× | ||
| Q2 24 | 1.66× | 0.75× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ALGN
| Clear Aligner | $856.0M | 82% |
| CAM Services | $184.1M | 18% |
LII
| Residential Heating And Cooling | $699.8M | 59% |
| Commercial Heating And Cooling | $495.2M | 41% |
