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Side-by-side financial comparison of Clean Energy Fuels Corp. (CLNE) and RAMBUS INC (RMBS). Click either name above to swap in a different company.
Clean Energy Fuels Corp. is the larger business by last-quarter revenue ($2.0B vs $180.2M, roughly 11.2× RAMBUS INC). RAMBUS INC runs the higher net margin — 33.2% vs -6.7%, a 39.9% gap on every dollar of revenue. On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs -0.0%). Over the past eight quarters, Clean Energy Fuels Corp.'s revenue compounded faster (354.7% CAGR vs 16.8%).
Bloom Energy is an American public company that designs and manufactures solid oxide fuel cells (SOFCs) which independently produce electricity onsite for power generation in data centers, manufacturing, and other commercial sectors. Founded in 2001 and headquartered in San Jose, California; its fuel cell technology generates electricity through a chemical conversion process, which differs from most other power sources reliant on combustion, and can use natural gas, biogas or hydrogen as fuel...
Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.
CLNE vs RMBS — Head-to-Head
Income Statement — Q1 FY2026 vs Q1 FY2026
| Metric | | |
|---|---|---|
| Revenue | $2.0B | $180.2M |
| Net Profit | $-135.0M | $59.9M |
| Gross Margin | — | 79.7% |
| Operating Margin | 88.6% | 34.3% |
| Net Margin | -6.7% | 33.2% |
| Revenue YoY | -0.0% | 8.1% |
| Net Profit YoY | — | -7.3% |
| EPS (diluted) | — | $0.55 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q1 26 | $2.0B | $180.2M | ||
| Q4 25 | $112.3M | $190.2M | ||
| Q3 25 | $106.1M | $178.5M | ||
| Q2 25 | $102.6M | $172.2M | ||
| Q1 25 | $103.8M | $166.7M | ||
| Q4 24 | $109.3M | $161.1M | ||
| Q3 24 | $104.9M | $145.5M | ||
| Q2 24 | $98.0M | $132.1M |
| Q1 26 | $-135.0M | $59.9M | ||
| Q4 25 | $-43.0M | $63.8M | ||
| Q3 25 | $-23.8M | $48.4M | ||
| Q2 25 | $-20.2M | $57.9M | ||
| Q1 25 | $-135.0M | $60.3M | ||
| Q4 24 | $-30.2M | $62.2M | ||
| Q3 24 | $-18.2M | $48.7M | ||
| Q2 24 | $-16.3M | $36.1M |
| Q1 26 | — | 79.7% | ||
| Q4 25 | — | 78.9% | ||
| Q3 25 | — | 79.5% | ||
| Q2 25 | — | 79.8% | ||
| Q1 25 | — | 80.3% | ||
| Q4 24 | — | 80.4% | ||
| Q3 24 | — | 80.7% | ||
| Q2 24 | — | 79.7% |
| Q1 26 | 88.6% | 34.3% | ||
| Q4 25 | -9.5% | 37.2% | ||
| Q3 25 | -12.8% | 35.4% | ||
| Q2 25 | -9.0% | 36.6% | ||
| Q1 25 | -121.7% | 37.9% | ||
| Q4 24 | -11.8% | 35.9% | ||
| Q3 24 | -8.1% | 37.6% | ||
| Q2 24 | -5.7% | 30.5% |
| Q1 26 | -6.7% | 33.2% | ||
| Q4 25 | -38.3% | 33.6% | ||
| Q3 25 | -22.4% | 27.1% | ||
| Q2 25 | -19.7% | 33.6% | ||
| Q1 25 | -130.1% | 36.2% | ||
| Q4 24 | -27.6% | 38.6% | ||
| Q3 24 | -17.3% | 33.4% | ||
| Q2 24 | -16.6% | 27.3% |
| Q1 26 | — | $0.55 | ||
| Q4 25 | $-0.21 | $0.58 | ||
| Q3 25 | $-0.11 | $0.44 | ||
| Q2 25 | $-0.09 | $0.53 | ||
| Q1 25 | $-0.60 | $0.56 | ||
| Q4 24 | $-0.14 | $0.57 | ||
| Q3 24 | $-0.08 | $0.45 | ||
| Q2 24 | $-0.07 | $0.33 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $552.0K | $134.3M |
| Total DebtLower is stronger | $52.0K | — |
| Stockholders' EquityBook value | $565.1M | — |
| Total Assets | $1.1B | $1.5B |
| Debt / EquityLower = less leverage | 0.00× | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $552.0K | $134.3M | ||
| Q4 25 | $156.1M | $182.8M | ||
| Q3 25 | $232.2M | $79.2M | ||
| Q2 25 | $240.8M | $87.8M | ||
| Q1 25 | $226.6M | $132.2M | ||
| Q4 24 | $217.5M | $99.8M | ||
| Q3 24 | $243.5M | $114.0M | ||
| Q2 24 | $249.3M | $124.6M |
| Q1 26 | $52.0K | — | ||
| Q4 25 | $226.8M | — | ||
| Q3 25 | $284.3M | — | ||
| Q2 25 | $277.9M | — | ||
| Q1 25 | $271.6M | — | ||
| Q4 24 | $265.4M | — | ||
| Q3 24 | $264.1M | — | ||
| Q2 24 | $263.0M | — |
| Q1 26 | $565.1M | — | ||
| Q4 25 | $559.4M | $1.4B | ||
| Q3 25 | $585.2M | $1.3B | ||
| Q2 25 | $590.8M | $1.2B | ||
| Q1 25 | $596.7M | $1.2B | ||
| Q4 24 | $713.3M | $1.1B | ||
| Q3 24 | $724.8M | $1.0B | ||
| Q2 24 | $723.0M | $1.0B |
| Q1 26 | $1.1B | $1.5B | ||
| Q4 25 | $1.1B | $1.5B | ||
| Q3 25 | $1.1B | $1.4B | ||
| Q2 25 | $1.1B | $1.5B | ||
| Q1 25 | $1.1B | $1.4B | ||
| Q4 24 | $1.2B | $1.3B | ||
| Q3 24 | $1.2B | $1.3B | ||
| Q2 24 | $1.2B | $1.3B |
| Q1 26 | 0.00× | — | ||
| Q4 25 | 0.41× | — | ||
| Q3 25 | 0.49× | — | ||
| Q2 25 | 0.47× | — | ||
| Q1 25 | 0.46× | — | ||
| Q4 24 | 0.37× | — | ||
| Q3 24 | 0.36× | — | ||
| Q2 24 | 0.36× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
CLNE
Segment breakdown not available.
RMBS
| Product revenue | $88.0M | 49% |
| Royalties | $69.6M | 39% |
| Contract and other revenue | $22.6M | 13% |
