CLNE vs MNTK
CLNE: Clean Energy Fuels provides renewable natural gas for the commercial transportation sector, transforming organic waste into a low-carbon alternative to diesel. MNTK: Montauk Renewables captures biogas from landfills and agricultural waste to produce renewable natural gas and renewable electricity while monetizing valuable environmental credits.
Side-by-side fundamentals
| Metric | CLNE | MNTK | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $2.12 | $1.75 | |
| Market cap as of 2026-07-23 | $469M | $249M | |
| P/E as of 2026-07-23 | n/a | 112.36 | |
| Net margin as of 2026-07-23 | -22.7% | +1.2% | MNTK higher |
| Gross margin as of 2026-07-23 | +27.3% | +35.3% | MNTK higher |
| Operating margin as of 2026-07-23 | -8.3% | -1.2% | MNTK higher |
| ROE as of 2026-07-23 | -17.3% | +0.9% | MNTK higher |
| ROA as of 2026-07-23 | -9.2% | +0.5% | MNTK higher |
| Debt / equity as of 2026-07-23 | 0.41 | 0.57 | CLNE lower |
| Revenue growth (YoY) as of 2026-07-23 | +5.5% | +0.4% | CLNE higher |
| Revenue CAGR (3y) SEC XBRL | +0.4% | -5.0% | CLNE higher |
| Beta as of 2026-07-23 | 1.87 | 0.56 | |
| 1-year return as of 2026-07-22 close | +3.9% | -24.3% | CLNE 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.