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Side-by-side financial comparison of Montauk Renewables, Inc. (MNTK) and STEM, INC. (STEM). Click either name above to swap in a different company.
STEM, INC. is the larger business by last-quarter revenue ($47.1M vs $43.4M, roughly 1.1× Montauk Renewables, Inc.). Montauk Renewables, Inc. runs the higher net margin — 5.7% vs -33.9%, a 39.6% gap on every dollar of revenue. On growth, Montauk Renewables, Inc. posted the faster year-over-year revenue change (56.7% vs -15.6%). Over the past eight quarters, STEM, INC.'s revenue compounded faster (36.1% CAGR vs 5.8%).
Montauk Renewables, Inc. is a US-based renewable energy firm specializing in capturing and converting biogenic methane from landfills and agricultural waste into renewable natural gas (RNG) and low-carbon electricity. It serves utility, commercial, and industrial customers across North America, with operations focused on advancing decarbonization and sustainable energy transition goals.
StemCells, Inc. is a public biopharmaceutical company headquartered in Newark, California, that is developing purified human neural stem cells (HuCNS-SCs) in the hopes of treating central nervous system disorders and paralysis. StemCells' HuCNS-SCs have the ability to differentiate into the three main types of cells found in the central nervous system: neurons, astrocytes and oligodendrocytes.
MNTK vs STEM — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $43.4M | $47.1M |
| Net Profit | $2.5M | $-16.0M |
| Gross Margin | — | 48.9% |
| Operating Margin | -3.8% | -17.7% |
| Net Margin | 5.7% | -33.9% |
| Revenue YoY | 56.7% | -15.6% |
| Net Profit YoY | 129.5% | 68.8% |
| EPS (diluted) | $0.01 | $-4.40 |
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 | $43.4M | $47.1M | ||
| Q3 25 | $45.3M | $38.2M | ||
| Q2 25 | $45.1M | $38.4M | ||
| Q1 25 | $42.6M | $32.5M | ||
| Q4 24 | $27.7M | $55.8M | ||
| Q3 24 | $65.9M | $29.3M | ||
| Q2 24 | $43.3M | $34.0M | ||
| Q1 24 | $38.8M | $25.5M |
| Q4 25 | $2.5M | $-16.0M | ||
| Q3 25 | $5.2M | $-23.8M | ||
| Q2 25 | $-5.5M | $202.5M | ||
| Q1 25 | $-464.0K | $-25.0M | ||
| Q4 24 | $-8.5M | $-51.1M | ||
| Q3 24 | $17.0M | $-148.3M | ||
| Q2 24 | $-712.0K | $-582.3M | ||
| Q1 24 | $1.9M | $-72.3M |
| Q4 25 | — | 48.9% | ||
| Q3 25 | — | 35.5% | ||
| Q2 25 | — | 33.4% | ||
| Q1 25 | — | 32.4% | ||
| Q4 24 | — | -4.4% | ||
| Q3 24 | 43.8% | 21.2% | ||
| Q2 24 | 15.6% | 27.6% | ||
| Q1 24 | 22.8% | -95.0% |
| Q4 25 | -3.8% | -17.7% | ||
| Q3 25 | 9.8% | -33.6% | ||
| Q2 25 | -5.2% | -34.8% | ||
| Q1 25 | 1.0% | -65.0% | ||
| Q4 24 | -35.5% | -84.4% | ||
| Q3 24 | 34.4% | -493.2% | ||
| Q2 24 | 2.0% | -1705.5% | ||
| Q1 24 | 6.1% | -267.0% |
| Q4 25 | 5.7% | -33.9% | ||
| Q3 25 | 11.5% | -62.2% | ||
| Q2 25 | -12.2% | 527.8% | ||
| Q1 25 | -1.1% | -76.9% | ||
| Q4 24 | -30.5% | -91.6% | ||
| Q3 24 | 25.9% | -506.3% | ||
| Q2 24 | -1.6% | -1712.6% | ||
| Q1 24 | 4.8% | -283.9% |
| Q4 25 | $0.01 | $-4.40 | ||
| Q3 25 | $0.04 | $-2.84 | ||
| Q2 25 | $-0.04 | $-1.79 | ||
| Q1 25 | $0.00 | $-0.15 | ||
| Q4 24 | $-0.05 | $-15.29 | ||
| Q3 24 | $0.12 | $-18.24 | ||
| Q2 24 | $-0.01 | $-71.81 | ||
| Q1 24 | $0.01 | $-0.46 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $23.8M | $48.9M |
| Total DebtLower is stronger | $126.0M | — |
| Stockholders' EquityBook value | $263.1M | $-249.4M |
| Total Assets | $435.5M | $308.9M |
| Debt / EquityLower = less leverage | 0.48× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $23.8M | $48.9M | ||
| Q3 25 | $6.8M | $43.1M | ||
| Q2 25 | $29.1M | $40.8M | ||
| Q1 25 | $40.1M | $58.6M | ||
| Q4 24 | $45.6M | $56.3M | ||
| Q3 24 | $55.0M | $75.4M | ||
| Q2 24 | $42.3M | $89.6M | ||
| Q1 24 | $63.3M | $112.8M |
| Q4 25 | $126.0M | — | ||
| Q3 25 | $54.9M | — | ||
| Q2 25 | $57.8M | — | ||
| Q1 25 | $40.8M | — | ||
| Q4 24 | $43.8M | — | ||
| Q3 24 | $46.7M | — | ||
| Q2 24 | $49.7M | — | ||
| Q1 24 | $52.7M | — |
| Q4 25 | $263.1M | $-249.4M | ||
| Q3 25 | $260.7M | $-235.7M | ||
| Q2 25 | $254.7M | $-214.1M | ||
| Q1 25 | $258.2M | $-417.5M | ||
| Q4 24 | $257.4M | $-398.4M | ||
| Q3 24 | $275.3M | $-344.1M | ||
| Q2 24 | $255.3M | $-203.2M | ||
| Q1 24 | $254.3M | $371.6M |
| Q4 25 | $435.5M | $308.9M | ||
| Q3 25 | $383.3M | $362.6M | ||
| Q2 25 | $382.5M | $379.2M | ||
| Q1 25 | $354.2M | $405.1M | ||
| Q4 24 | $349.0M | $437.4M | ||
| Q3 24 | $374.1M | $537.8M | ||
| Q2 24 | $362.0M | $691.5M | ||
| Q1 24 | $354.7M | $1.3B |
| Q4 25 | 0.48× | — | ||
| Q3 25 | 0.21× | — | ||
| Q2 25 | 0.23× | — | ||
| Q1 25 | 0.16× | — | ||
| Q4 24 | 0.17× | — | ||
| Q3 24 | 0.17× | — | ||
| Q2 24 | 0.19× | — | ||
| Q1 24 | 0.21× | — |
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 | $337.0K | $8.2M |
| Free Cash FlowOCF − Capex | $-41.1M | — |
| FCF MarginFCF / Revenue | -94.7% | — |
| Capex IntensityCapex / Revenue | 95.5% | — |
| Cash ConversionOCF / Net Profit | 0.14× | — |
| TTM Free Cash FlowTrailing 4 quarters | $-86.2M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $337.0K | $8.2M | ||
| Q3 25 | $12.7M | $11.4M | ||
| Q2 25 | $8.2M | $-21.3M | ||
| Q1 25 | $9.1M | $8.5M | ||
| Q4 24 | $724.0K | $-14.7M | ||
| Q3 24 | $28.6M | $-9.4M | ||
| Q2 24 | $193.0K | $-11.9M | ||
| Q1 24 | $14.3M | $-621.0K |
| Q4 25 | $-41.1M | — | ||
| Q3 25 | $-17.2M | — | ||
| Q2 25 | $-25.5M | — | ||
| Q1 25 | $-2.5M | — | ||
| Q4 24 | $-8.3M | — | ||
| Q3 24 | $16.0M | — | ||
| Q2 24 | $-18.6M | — | ||
| Q1 24 | $-7.7M | — |
| Q4 25 | -94.7% | — | ||
| Q3 25 | -37.9% | — | ||
| Q2 25 | -56.4% | — | ||
| Q1 25 | -5.8% | — | ||
| Q4 24 | -29.8% | — | ||
| Q3 24 | 24.3% | — | ||
| Q2 24 | -42.9% | — | ||
| Q1 24 | -19.8% | — |
| Q4 25 | 95.5% | — | ||
| Q3 25 | 65.9% | — | ||
| Q2 25 | 74.6% | — | ||
| Q1 25 | 27.3% | — | ||
| Q4 24 | 32.5% | — | ||
| Q3 24 | 19.1% | — | ||
| Q2 24 | 43.3% | — | ||
| Q1 24 | 56.7% | — |
| Q4 25 | 0.14× | — | ||
| Q3 25 | 2.43× | — | ||
| Q2 25 | — | -0.11× | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | 1.68× | — | ||
| Q2 24 | — | — | ||
| Q1 24 | 7.73× | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
MNTK
| Natural Gas Environmental Attributes | $28.1M | 65% |
| Natural Gas Commodity | $10.7M | 25% |
| Electric Commodity | $2.7M | 6% |
| Electric Environmental Attributes | $2.0M | 5% |
STEM
Segment breakdown not available.
