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Side-by-side financial comparison of OPAL Fuels Inc. (OPAL) and RHYTHM PHARMACEUTICALS, INC. (RYTM). Click either name above to swap in a different company.
OPAL Fuels Inc. is the larger business by last-quarter revenue ($88.4M vs $57.3M, roughly 1.5× RHYTHM PHARMACEUTICALS, INC.). OPAL Fuels Inc. runs the higher net margin — 18.3% vs -83.0%, a 101.3% gap on every dollar of revenue. On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (36.9% vs 18.7%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (48.5% CAGR vs 17.6%).
OPAL Fuels Inc. is a North American energy company focused on producing and distributing low-carbon renewable natural gas (RNG). It captures methane from landfills, dairy operations and other organic waste streams to produce RNG, which is mainly supplied to heavy-duty transportation fleets, commercial logistics operators and public transport entities to help reduce their greenhouse gas emissions.
Rhythm Pharmaceuticals is a biopharmaceutical firm focused on developing and commercializing targeted therapies for rare genetic disorders causing severe unmanageable obesity, including POMC deficiency, LEPR deficiency, and Bardet-Biedl syndrome. It serves patients in North America and Europe who lack effective standard treatments for their chronic life-altering conditions.
OPAL vs RYTM — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $88.4M | $57.3M |
| Net Profit | $16.2M | $-47.5M |
| Gross Margin | — | 91.6% |
| Operating Margin | 7.5% | -82.2% |
| Net Margin | 18.3% | -83.0% |
| Revenue YoY | 18.7% | 36.9% |
| Net Profit YoY | 401.5% | -9.6% |
| EPS (diluted) | $0.08 | $-0.73 |
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.
| Q4 25 | $88.4M | $57.3M | ||
| Q3 25 | $77.9M | $51.3M | ||
| Q2 25 | $77.4M | $48.5M | ||
| Q1 25 | $83.0M | $32.7M | ||
| Q4 24 | $74.5M | $41.8M | ||
| Q3 24 | $82.6M | $33.3M | ||
| Q2 24 | $69.8M | $29.1M | ||
| Q1 24 | $64.0M | $26.0M |
| Q4 25 | $16.2M | $-47.5M | ||
| Q3 25 | $11.4M | $-52.9M | ||
| Q2 25 | $7.6M | $-46.6M | ||
| Q1 25 | $1.3M | $-49.5M | ||
| Q4 24 | $-5.4M | $-43.3M | ||
| Q3 24 | $17.1M | $-43.6M | ||
| Q2 24 | $1.9M | $-32.3M | ||
| Q1 24 | $677.0K | $-141.4M |
| Q4 25 | — | 91.6% | ||
| Q3 25 | — | 89.3% | ||
| Q2 25 | — | 88.6% | ||
| Q1 25 | — | 88.8% | ||
| Q4 24 | — | 90.9% | ||
| Q3 24 | — | 88.5% | ||
| Q2 24 | — | 89.9% | ||
| Q1 24 | — | 89.2% |
| Q4 25 | 7.5% | -82.2% | ||
| Q3 25 | 4.6% | -102.6% | ||
| Q2 25 | -1.1% | -93.4% | ||
| Q1 25 | -2.3% | -143.7% | ||
| Q4 24 | -0.5% | -98.6% | ||
| Q3 24 | 14.9% | -132.0% | ||
| Q2 24 | 8.1% | -139.2% | ||
| Q1 24 | 5.6% | -538.7% |
| Q4 25 | 18.3% | -83.0% | ||
| Q3 25 | 14.6% | -103.1% | ||
| Q2 25 | 9.8% | -96.1% | ||
| Q1 25 | 1.5% | -151.4% | ||
| Q4 24 | -7.2% | -103.6% | ||
| Q3 24 | 20.7% | -131.2% | ||
| Q2 24 | 2.7% | -110.9% | ||
| Q1 24 | 1.1% | -544.4% |
| Q4 25 | $0.08 | $-0.73 | ||
| Q3 25 | $0.05 | $-0.82 | ||
| Q2 25 | $0.03 | $-0.75 | ||
| Q1 25 | $-0.01 | $-0.81 | ||
| Q4 24 | $-0.05 | $-0.71 | ||
| Q3 24 | $0.09 | $-0.73 | ||
| Q2 24 | $-0.01 | $-0.55 | ||
| Q1 24 | $-0.01 | $-2.35 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $24.4M | $388.9M |
| Total DebtLower is stronger | $361.3M | — |
| Stockholders' EquityBook value | $-12.9M | $139.1M |
| Total Assets | $959.5M | $480.2M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $24.4M | $388.9M | ||
| Q3 25 | $29.9M | $416.1M | ||
| Q2 25 | $29.3M | $291.0M | ||
| Q1 25 | $40.1M | $314.5M | ||
| Q4 24 | $24.3M | $320.6M | ||
| Q3 24 | $31.0M | $298.4M | ||
| Q2 24 | $27.6M | $319.1M | ||
| Q1 24 | $34.2M | $201.2M |
| Q4 25 | $361.3M | — | ||
| Q3 25 | $351.2M | — | ||
| Q2 25 | $331.6M | — | ||
| Q1 25 | $307.0M | — | ||
| Q4 24 | $307.5M | — | ||
| Q3 24 | $252.9M | — | ||
| Q2 24 | $233.3M | — | ||
| Q1 24 | $208.7M | — |
| Q4 25 | $-12.9M | $139.1M | ||
| Q3 25 | $7.5M | $148.8M | ||
| Q2 25 | $-25.0M | $-11.9M | ||
| Q1 25 | $57.1M | $18.9M | ||
| Q4 24 | $-148.4M | $21.7M | ||
| Q3 24 | $-180.1M | $11.2M | ||
| Q2 24 | $-273.0M | $39.3M | ||
| Q1 24 | $-382.4M | $61.6M |
| Q4 25 | $959.5M | $480.2M | ||
| Q3 25 | $916.7M | $506.9M | ||
| Q2 25 | $905.5M | $372.7M | ||
| Q1 25 | $884.9M | $386.7M | ||
| Q4 24 | $881.1M | $392.3M | ||
| Q3 24 | $831.1M | $363.6M | ||
| Q2 24 | $782.3M | $381.8M | ||
| Q1 24 | $750.5M | $258.7M |
| Q4 25 | — | — | ||
| Q3 25 | 46.95× | — | ||
| Q2 25 | — | — | ||
| Q1 25 | 5.38× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-3.5M | $-25.4M |
| Free Cash FlowOCF − Capex | $-13.4M | — |
| FCF MarginFCF / Revenue | -15.1% | — |
| Capex IntensityCapex / Revenue | 11.1% | — |
| Cash ConversionOCF / Net Profit | -0.22× | — |
| TTM Free Cash FlowTrailing 4 quarters | $-34.2M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-3.5M | $-25.4M | ||
| Q3 25 | $18.2M | $-26.6M | ||
| Q2 25 | $-7.9M | $-23.3M | ||
| Q1 25 | $29.7M | $-40.4M | ||
| Q4 24 | $-532.0K | $-18.8M | ||
| Q3 24 | $17.7M | $-25.2M | ||
| Q2 24 | $533.0K | $-29.1M | ||
| Q1 24 | $13.7M | $-40.7M |
| Q4 25 | $-13.4M | — | ||
| Q3 25 | $-9.3M | — | ||
| Q2 25 | $-29.7M | — | ||
| Q1 25 | $18.1M | — | ||
| Q4 24 | $-55.0M | — | ||
| Q3 24 | $-5.4M | — | ||
| Q2 24 | $-22.5M | — | ||
| Q1 24 | $-13.0M | — |
| Q4 25 | -15.1% | — | ||
| Q3 25 | -11.9% | — | ||
| Q2 25 | -38.4% | — | ||
| Q1 25 | 21.8% | — | ||
| Q4 24 | -73.8% | — | ||
| Q3 24 | -6.5% | — | ||
| Q2 24 | -32.2% | — | ||
| Q1 24 | -20.4% | — |
| Q4 25 | 11.1% | — | ||
| Q3 25 | 35.3% | — | ||
| Q2 25 | 28.2% | — | ||
| Q1 25 | 13.9% | — | ||
| Q4 24 | 73.1% | — | ||
| Q3 24 | 27.9% | — | ||
| Q2 24 | 32.9% | — | ||
| Q1 24 | 41.8% | — |
| Q4 25 | -0.22× | — | ||
| Q3 25 | 1.60× | — | ||
| Q2 25 | -1.04× | — | ||
| Q1 25 | 23.11× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | 1.03× | — | ||
| Q2 24 | 0.28× | — | ||
| Q1 24 | 20.26× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
OPAL
| Fuel Station Services Segment | $65.1M | 74% |
| Related Party | $12.1M | 14% |
| Renewable Power Segment | $8.6M | 10% |
| Other | $2.6M | 3% |
RYTM
Segment breakdown not available.
