Clean Energy Fuels (CLNE) vs Montauk Renewables (MNTK)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 8, 2026.
Summary
Montauk Renewables (MNTK) has outperformed Clean Energy Fuels (CLNE) over the past year, gaining 22.6% versus a loss of 42.3%. Over five years, MNTK leads with a -78.1% price change compared with -83.0% for CLNE. Montauk Renewables is the larger company by market cap ($390.0 million vs $335.1 million), about 1.2 times the size.
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 | CLNE | MNTK |
|---|---|---|
| Share price | $1.52 | $2.74 |
| Market cap | $335.08M | $390.01M |
| 1-day change | -0.65% | +3.01% |
| YTD return | -27.14% | +59.28% |
| 1-year return | -42.26% | +22.58% |
| 5-year return | -83.00% | -78.05% |
| P/E ratio (TTM) | — | 45.67 |
| Forward P/E | — | 8.93 |
| EPS (TTM) | $-0.43 | $0.06 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $3.11 | $3.28 |
| 52-week low | $1.52 | $1.07 |
| Distance from 52-week high | -51.13% | -16.46% |
| Analyst consensus | none | none |
| Avg. price target upside | +163.82% | -37.96% |
| Average volume | 1.74M | 421.16K |
| Shares outstanding | 220.45M | 142.34M |
| Employees | 503 | 189 |
| Sector | Utilities | Utilities |
| Industry | Natural Gas Distribution | Natural Gas Distribution |
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
- MNTK has outperformed CLNE by 64.8 percentage points over the past year.
About Clean Energy Fuels
CLNE stock →Clean Energy Fuels Corp. offers natural gas as alternative fuels for vehicle fleets and related fueling solutions in the United States and Canada.
Utilities · Natural Gas Distribution · 503 employees
About Montauk Renewables
MNTK stock →Montauk Renewables, Inc., a renewable energy company, engages in recovery and processing of biogas from landfills and other non-fossil fuel sources. It operates in two segments, Renewable Natural Gas and Renewable Electricity Generation.
Utilities · Natural Gas Distribution · 189 employees
CLNE vs MNTK FAQ
Which is bigger, Clean Energy Fuels or Montauk Renewables?
Montauk Renewables (MNTK) is larger, with a market capitalization of $390.01M compared with $335.08M for Clean Energy Fuels (CLNE).
Which stock has performed better over the past year, CLNE or MNTK?
MNTK returned +22.58% over the past 12 months, compared with -42.26% for CLNE (price return, excluding dividends). Past performance does not predict future results.
Are Clean Energy Fuels and Montauk Renewables in the same industry?
Yes. Both are classified in the Natural Gas Distribution industry within the Utilities sector.