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Side-by-side financial comparison of BillionToOne, Inc. (BLLN) and OPAL Fuels Inc. (OPAL). Click either name above to swap in a different company.
OPAL Fuels Inc. is the larger business by last-quarter revenue ($88.4M vs $83.5M, roughly 1.1× BillionToOne, Inc.). OPAL Fuels Inc. runs the higher net margin — 18.3% vs 6.8%, a 11.5% gap on every dollar of revenue. On growth, BillionToOne, Inc. posted the faster year-over-year revenue change (117.4% vs 18.7%). BillionToOne, Inc. produced more free cash flow last quarter ($6.5M vs $-13.4M).
BillionToOne, Inc. is a life sciences and molecular diagnostics firm developing high-precision genetic testing solutions. Its core offerings include non-invasive prenatal tests, oncology diagnostics, and rare disease screening, serving clinical providers and patients mainly in North America.
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.
BLLN vs OPAL — Head-to-Head
Income Statement — Q3 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $83.5M | $88.4M |
| Net Profit | $5.7M | $16.2M |
| Gross Margin | 69.9% | — |
| Operating Margin | 11.5% | 7.5% |
| Net Margin | 6.8% | 18.3% |
| Revenue YoY | 117.4% | 18.7% |
| Net Profit YoY | 138.3% | 401.5% |
| EPS (diluted) | $0.10 | $0.08 |
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 | ||
| Q3 25 | $83.5M | $77.9M | ||
| Q2 25 | — | $77.4M | ||
| Q1 25 | — | $83.0M | ||
| Q4 24 | — | $74.5M | ||
| Q3 24 | $38.4M | $82.6M | ||
| Q2 24 | — | $69.8M | ||
| Q1 24 | — | $64.0M |
| Q4 25 | — | $16.2M | ||
| Q3 25 | $5.7M | $11.4M | ||
| Q2 25 | — | $7.6M | ||
| Q1 25 | — | $1.3M | ||
| Q4 24 | — | $-5.4M | ||
| Q3 24 | $-14.9M | $17.1M | ||
| Q2 24 | — | $1.9M | ||
| Q1 24 | — | $677.0K |
| Q4 25 | — | — | ||
| Q3 25 | 69.9% | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | 52.6% | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | — | 7.5% | ||
| Q3 25 | 11.5% | 4.6% | ||
| Q2 25 | — | -1.1% | ||
| Q1 25 | — | -2.3% | ||
| Q4 24 | — | -0.5% | ||
| Q3 24 | -32.9% | 14.9% | ||
| Q2 24 | — | 8.1% | ||
| Q1 24 | — | 5.6% |
| Q4 25 | — | 18.3% | ||
| Q3 25 | 6.8% | 14.6% | ||
| Q2 25 | — | 9.8% | ||
| Q1 25 | — | 1.5% | ||
| Q4 24 | — | -7.2% | ||
| Q3 24 | -38.8% | 20.7% | ||
| Q2 24 | — | 2.7% | ||
| Q1 24 | — | 1.1% |
| Q4 25 | — | $0.08 | ||
| Q3 25 | $0.10 | $0.05 | ||
| Q2 25 | — | $0.03 | ||
| Q1 25 | — | $-0.01 | ||
| Q4 24 | — | $-0.05 | ||
| Q3 24 | $-1.47 | $0.09 | ||
| Q2 24 | — | $-0.01 | ||
| Q1 24 | — | $-0.01 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $195.2M | $24.4M |
| Total DebtLower is stronger | $55.0M | $361.3M |
| Stockholders' EquityBook value | $-239.5M | $-12.9M |
| Total Assets | $327.5M | $959.5M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $24.4M | ||
| Q3 25 | $195.2M | $29.9M | ||
| Q2 25 | — | $29.3M | ||
| Q1 25 | — | $40.1M | ||
| Q4 24 | — | $24.3M | ||
| Q3 24 | — | $31.0M | ||
| Q2 24 | — | $27.6M | ||
| Q1 24 | — | $34.2M |
| Q4 25 | — | $361.3M | ||
| Q3 25 | $55.0M | $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 | ||
| Q3 25 | $-239.5M | $7.5M | ||
| Q2 25 | — | $-25.0M | ||
| Q1 25 | — | $57.1M | ||
| Q4 24 | — | $-148.4M | ||
| Q3 24 | $-242.9M | $-180.1M | ||
| Q2 24 | — | $-273.0M | ||
| Q1 24 | — | $-382.4M |
| Q4 25 | — | $959.5M | ||
| Q3 25 | $327.5M | $916.7M | ||
| Q2 25 | — | $905.5M | ||
| Q1 25 | — | $884.9M | ||
| Q4 24 | — | $881.1M | ||
| Q3 24 | — | $831.1M | ||
| Q2 24 | — | $782.3M | ||
| Q1 24 | — | $750.5M |
| 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 | $13.8M | $-3.5M |
| Free Cash FlowOCF − Capex | $6.5M | $-13.4M |
| FCF MarginFCF / Revenue | 7.7% | -15.1% |
| Capex IntensityCapex / Revenue | 8.8% | 11.1% |
| Cash ConversionOCF / Net Profit | 2.42× | -0.22× |
| TTM Free Cash FlowTrailing 4 quarters | — | $-34.2M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $-3.5M | ||
| Q3 25 | $13.8M | $18.2M | ||
| Q2 25 | — | $-7.9M | ||
| Q1 25 | — | $29.7M | ||
| Q4 24 | — | $-532.0K | ||
| Q3 24 | — | $17.7M | ||
| Q2 24 | — | $533.0K | ||
| Q1 24 | — | $13.7M |
| Q4 25 | — | $-13.4M | ||
| Q3 25 | $6.5M | $-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 | 7.7% | -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 | 8.8% | 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 | 2.42× | 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
BLLN
| Prenatal | $74.1M | 89% |
| Oncology | $8.7M | 10% |
OPAL
| Fuel Station Services Segment | $65.1M | 74% |
| Related Party | $12.1M | 14% |
| Renewable Power Segment | $8.6M | 10% |
| Other | $2.6M | 3% |
