ERII vs PNR
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. PNR: Pentair is a diversified global water solutions company delivering pumps, filtration, treatment systems and pool equipment to residential, commercial and industrial customers across agriculture, municipal infrastructure and process industries.
Side-by-side fundamentals
| Metric | ERII | PNR | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $8.54 | $63.02 | |
| Market cap as of 2026-07-23 | $445M | $10.1B | |
| P/E as of 2026-07-23 | 21.60 | 15.12 | PNR lower |
| PEG as of 2026-07-23 | 2.24 | 1.92 | PNR lower |
| Net margin as of 2026-07-23 | +15.1% | +16.0% | PNR higher |
| Gross margin as of 2026-07-23 | +64.3% | +41.9% | ERII higher |
| Operating margin as of 2026-07-23 | +15.8% | +19.9% | PNR higher |
| ROE as of 2026-07-23 | +10.9% | +17.7% | PNR higher |
| ROA as of 2026-07-23 | +9.6% | +9.9% | PNR higher |
| Debt / equity as of 2026-07-23 | 0.00 | 0.51 | ERII lower |
| Revenue growth (YoY) as of 2026-07-23 | -3.0% | +3.1% | PNR higher |
| Revenue CAGR (3y) SEC XBRL | +2.4% | +0.4% | ERII higher |
| Dividend yield as of 2026-07-23 | n/a | +1.7% | |
| Dividend streak (yrs) SEC XBRL | n/a | 5 | |
| Beta as of 2026-07-23 | 0.92 | 1.03 | |
| 1-year return as of 2026-07-22 close | -37.5% | -39.9% | ERII higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.