AOS vs ZWS
AOS: A. O. Smith is a global leader in high-efficiency residential and commercial water heating and water treatment solutions. ZWS: Zurn Elkay provides essential water management and plumbing solutions designed for safety, hygiene, and efficiency in commercial and residential buildings.
Side-by-side fundamentals
| Metric | AOS | ZWS | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $56.56 | $46.24 | |
| Market cap | $7.7B | $7.7B | |
| P/E as of 2026-10-08 | 15.77 | 28.42 | AOS lower |
| PEG as of 2026-10-08, 3-year EPS CAGR to FY2025 | n/a | 0.67 | |
| Net margin FY2025, SEC XBRL | +14.3% | +11.7% | AOS higher |
| Gross margin FY2025, SEC XBRL | +38.8% | +45.1% | ZWS higher |
| Operating margin FY2025, SEC XBRL | +19.0% | +16.4% | AOS higher |
| ROE FY2025, SEC XBRL | +29.4% | +12.3% | AOS higher |
| ROA FY2025, SEC XBRL | +17.4% | +7.4% | AOS higher |
| Debt / equity as of 2026-09-03 | 0.35 | 0.30 | ZWS lower |
| Revenue growth (YoY) as of 2026-09-03 | +0.4% | +10.7% | ZWS higher |
| Revenue CAGR (3y) SEC XBRL | +0.7% | +9.8% | ZWS higher |
| Dividend yield as of 2026-09-03 | +2.5% | +1.0% | AOS higher |
| Dividend streak (yrs) SEC XBRL | 12 | 4 | AOS higher |
| Beta as of 2026-09-03 | 0.61 | 0.89 | |
| 1-year return as of 2026-10-08 close | -20.4% | -2.3% | ZWS higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.