Lennox International (LII) vs Onto Innovation (ONTO)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Onto Innovation (ONTO) has outperformed Lennox International (LII) over the past year, gaining 110.4% versus a loss of 34.8%. Over five years, ONTO leads with a +305.4% price change compared with +16.9% for LII. Onto Innovation is the larger company by market cap ($14.36 billion vs $12.50 billion), about 1.1 times the size.
On valuation, Lennox International trades at a lower forward P/E (13.9x vs 25.0x for Onto Innovation). Lennox International pays a dividend yielding 1.45%, while Onto Innovation does not currently pay one. Lennox International converts more of its revenue into profit, with a net margin of 15.5% versus 13.6%.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | LII | ONTO |
|---|---|---|
| Share price | $361.54 | $292.67 |
| Market cap | $12.50B | $14.36B |
| 1-day change | +0.87% | -3.85% |
| YTD return | -25.54% | +85.40% |
| 1-year return | -34.81% | +110.37% |
| 5-year return | +16.94% | +305.36% |
| P/E ratio (TTM) | 15.94 | 110.03 |
| Forward P/E | 13.90 | 25.02 |
| EPS (TTM) | $22.68 | $2.66 |
| Dividend yield | 1.45% | 0.00% |
| Annual dividend | $5.26 | $0.00 |
| Revenue (latest FY) | $5.20B | $1.01B |
| Revenue growth (YoY) | -2.73% | +1.82% |
| Net income (latest FY) | $805.80M | $136.76M |
| Gross margin | 33.39% | 49.72% |
| Operating margin | 20.05% | 13.22% |
| Net margin | 15.51% | 13.60% |
| 52-week high | $587.27 | $386.46 |
| 52-week low | $350.22 | $118.97 |
| Distance from 52-week high | -38.44% | -24.27% |
| Analyst consensus | hold | strong_buy |
| Avg. price target upside | +30.73% | +32.40% |
| Average volume | 515.01K | 991.18K |
| Shares outstanding | 34.56M | 49.07M |
| Employees | 5,400 | 1,867 |
| Sector | Industrials | Industrials |
| Industry | Industrial Machinery/Components | Industrial Machinery/Components |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- ONTO has outperformed LII by 145.2 percentage points over the past year.
- Onto Innovation trades at a higher earnings multiple (110.0x vs 15.9x trailing P/E).
- Lennox International offers a meaningfully higher dividend yield (1.45% vs 0.00%).
About Lennox International
LII stock →Lennox International Inc., together with its subsidiaries, designs, manufactures, and markets products for the heating, ventilation, air conditioning, and refrigeration markets in the United States, Canada, and internationally. The Home Comfort Solutions segment provides furnaces, air conditioners, heat pumps, packaged heating and cooling systems, indoor air quality equipment, comfort control products, and replacement parts and supplies; residential heating, ventilation, cooling equipment, and air conditioning; and evaporator coils, air handlers, and unit heaters under Lennox, Dave Lennox Signature Collection, Armstrong Air, Ducane, AirEase, Concord, MagicPak, Advanced Distributor Products, Allied, Elite Series, Supco, Linebacker, Elite series, Merit Series, Comfort Sync, Healthy Climate, Healthy Climate Solutions, iComfort, ComfortSense, and Lennox Stores name.
Industrials · Industrial Machinery/Components · 5,400 employees
About Onto Innovation
ONTO stock →Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that perform macro-defect inspection and metrology in the United States, Taiwan, South Korea, Japan, China, Southeast Asia, Asia, and Europe.
Industrials · Industrial Machinery/Components · 1,867 employees
LII vs ONTO FAQ
Which is bigger, Lennox International or Onto Innovation?
Onto Innovation (ONTO) is larger, with a market capitalization of $14.36B compared with $12.50B for Lennox International (LII).
Which stock has performed better over the past year, LII or ONTO?
ONTO returned +110.37% over the past 12 months, compared with -34.81% for LII (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, LII or ONTO?
LII has the lower trailing P/E at 15.9, versus 110.0 for ONTO. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, Lennox International or Onto Innovation?
Lennox International pays a dividend yielding 1.45%, while Onto Innovation does not currently pay a regular dividend.
Are Lennox International and Onto Innovation in the same industry?
Yes. Both are classified in the Industrial Machinery/Components industry within the Industrials sector.