ERII vs WMS
ERII: Energy Recovery manufactures pressure exchanger technology that slashes energy consumption in global desalination and water treatment infrastructure while expanding into adjacent industrial fluid-handling applications. WMS: A premier manufacturer of comprehensive water management and drainage systems designed to handle the lifecycle of stormwater and wastewater.
Side-by-side fundamentals
| Metric | ERII | WMS | Edge |
|---|---|---|---|
| Price as of 2026-08-07 close | $8.68 | $143.95 | |
| Market cap as of 2026-08-10 | $443M | $10.9B | |
| P/E as of 2026-08-10 | 21.52 | 24.46 | ERII lower |
| PEG as of 2026-08-10 | 2.13 | 2.22 | ERII lower |
| Net margin as of 2026-08-10 | +15.1% | +14.0% | ERII higher |
| Gross margin as of 2026-08-10 | +64.3% | +38.6% | ERII higher |
| Operating margin as of 2026-08-10 | +15.8% | +20.7% | WMS higher |
| ROE as of 2026-08-10 | +10.9% | +23.4% | WMS higher |
| ROA as of 2026-08-10 | +9.6% | +10.5% | WMS higher |
| Debt / equity as of 2026-08-10 | 0.00 | 0.95 | ERII lower |
| Revenue growth (YoY) as of 2026-08-10 | -3.0% | +10.4% | WMS higher |
| Revenue CAGR (3y) SEC XBRL | +2.4% | -0.2% | ERII higher |
| Dividend yield as of 2026-08-10 | n/a | +0.5% | |
| Dividend streak (yrs) SEC XBRL | n/a | 5 | |
| Beta as of 2026-08-10 | 0.91 | 1.31 | |
| 1-year return as of 2026-08-07 close | -40.8% | +7.8% | WMS higher |
Fundamentals: market data, as of 2026-08-10. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-08-07.
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.