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Side-by-side financial comparison of GREENE COUNTY BANCORP INC (GCBC) and Montauk Renewables, Inc. (MNTK). Click either name above to swap in a different company.
Montauk Renewables, Inc. is the larger business by last-quarter revenue ($43.4M vs $22.2M, roughly 2.0× GREENE COUNTY BANCORP INC). GREENE COUNTY BANCORP INC runs the higher net margin — 46.3% vs 5.7%, a 40.6% gap on every dollar of revenue. On growth, Montauk Renewables, Inc. posted the faster year-over-year revenue change (56.7% vs 23.8%). GREENE COUNTY BANCORP INC produced more free cash flow last quarter ($6.2M vs $-41.1M). Over the past eight quarters, GREENE COUNTY BANCORP INC's revenue compounded faster (18.9% CAGR vs 5.8%).
Bank of Greene County is an American federally-chartered savings bank headquartered in Catskill, NY. The bank's branches are located in the Upstate New York counties of Greene, Columbia, Albany, Ulster, and Rensselaer.
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.
GCBC vs MNTK — Head-to-Head
Income Statement — Q2 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $22.2M | $43.4M |
| Net Profit | $10.3M | $2.5M |
| Gross Margin | — | — |
| Operating Margin | 52.0% | -3.8% |
| Net Margin | 46.3% | 5.7% |
| Revenue YoY | 23.8% | 56.7% |
| Net Profit YoY | 37.4% | 129.5% |
| EPS (diluted) | $0.60 | $0.01 |
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 | $22.2M | $43.4M | ||
| Q3 25 | $21.5M | $45.3M | ||
| Q2 25 | $20.5M | $45.1M | ||
| Q1 25 | $20.1M | $42.6M | ||
| Q4 24 | $17.9M | $27.7M | ||
| Q3 24 | $16.9M | $65.9M | ||
| Q2 24 | $16.6M | $43.3M | ||
| Q1 24 | $15.7M | $38.8M |
| Q4 25 | $10.3M | $2.5M | ||
| Q3 25 | $8.9M | $5.2M | ||
| Q2 25 | $9.3M | $-5.5M | ||
| Q1 25 | $8.1M | $-464.0K | ||
| Q4 24 | $7.5M | $-8.5M | ||
| Q3 24 | $6.3M | $17.0M | ||
| Q2 24 | $6.7M | $-712.0K | ||
| Q1 24 | $5.9M | $1.9M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | 43.8% | ||
| Q2 24 | — | 15.6% | ||
| Q1 24 | — | 22.8% |
| Q4 25 | 52.0% | -3.8% | ||
| Q3 25 | 47.4% | 9.8% | ||
| Q2 25 | 53.5% | -5.2% | ||
| Q1 25 | 44.6% | 1.0% | ||
| Q4 24 | 45.0% | -35.5% | ||
| Q3 24 | 39.6% | 34.4% | ||
| Q2 24 | 41.2% | 2.0% | ||
| Q1 24 | 39.4% | 6.1% |
| Q4 25 | 46.3% | 5.7% | ||
| Q3 25 | 41.2% | 11.5% | ||
| Q2 25 | 45.6% | -12.2% | ||
| Q1 25 | 40.1% | -1.1% | ||
| Q4 24 | 41.7% | -30.5% | ||
| Q3 24 | 37.1% | 25.9% | ||
| Q2 24 | 40.6% | -1.6% | ||
| Q1 24 | 37.3% | 4.8% |
| Q4 25 | $0.60 | $0.01 | ||
| Q3 25 | $0.52 | $0.04 | ||
| Q2 25 | $0.55 | $-0.04 | ||
| Q1 25 | $0.47 | $0.00 | ||
| Q4 24 | $0.44 | $-0.05 | ||
| Q3 24 | $0.37 | $0.12 | ||
| Q2 24 | $0.39 | $-0.01 | ||
| Q1 24 | $0.34 | $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 | — | $23.8M |
| Total DebtLower is stronger | — | $126.0M |
| Stockholders' EquityBook value | $258.3M | $263.1M |
| Total Assets | $3.1B | $435.5M |
| Debt / EquityLower = less leverage | — | 0.48× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | — | $23.8M | ||
| Q3 25 | — | $6.8M | ||
| Q2 25 | — | $29.1M | ||
| Q1 25 | $155.5M | $40.1M | ||
| Q4 24 | $166.4M | $45.6M | ||
| Q3 24 | — | $55.0M | ||
| Q2 24 | $190.4M | $42.3M | ||
| Q1 24 | — | $63.3M |
| 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 | $258.3M | $263.1M | ||
| Q3 25 | $248.2M | $260.7M | ||
| Q2 25 | $238.8M | $254.7M | ||
| Q1 25 | $229.0M | $258.2M | ||
| Q4 24 | $218.4M | $257.4M | ||
| Q3 24 | $216.3M | $275.3M | ||
| Q2 24 | $206.0M | $255.3M | ||
| Q1 24 | $199.2M | $254.3M |
| Q4 25 | $3.1B | $435.5M | ||
| Q3 25 | $3.1B | $383.3M | ||
| Q2 25 | $3.0B | $382.5M | ||
| Q1 25 | $3.0B | $354.2M | ||
| Q4 24 | $3.0B | $349.0M | ||
| Q3 24 | $2.9B | $374.1M | ||
| Q2 24 | $2.8B | $362.0M | ||
| Q1 24 | $2.9B | $354.7M |
| 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 | $6.4M | $337.0K |
| Free Cash FlowOCF − Capex | $6.2M | $-41.1M |
| FCF MarginFCF / Revenue | 28.0% | -94.7% |
| Capex IntensityCapex / Revenue | 0.9% | 95.5% |
| Cash ConversionOCF / Net Profit | 0.62× | 0.14× |
| TTM Free Cash FlowTrailing 4 quarters | $47.3M | $-86.2M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $6.4M | $337.0K | ||
| Q3 25 | $7.0M | $12.7M | ||
| Q2 25 | $28.0M | $8.2M | ||
| Q1 25 | $7.3M | $9.1M | ||
| Q4 24 | $5.3M | $724.0K | ||
| Q3 24 | $2.1M | $28.6M | ||
| Q2 24 | $24.9M | $193.0K | ||
| Q1 24 | $5.6M | $14.3M |
| Q4 25 | $6.2M | $-41.1M | ||
| Q3 25 | $6.5M | $-17.2M | ||
| Q2 25 | $27.3M | $-25.5M | ||
| Q1 25 | $7.3M | $-2.5M | ||
| Q4 24 | $5.1M | $-8.3M | ||
| Q3 24 | $2.0M | $16.0M | ||
| Q2 24 | $23.4M | $-18.6M | ||
| Q1 24 | $4.9M | $-7.7M |
| Q4 25 | 28.0% | -94.7% | ||
| Q3 25 | 30.4% | -37.9% | ||
| Q2 25 | 133.3% | -56.4% | ||
| Q1 25 | 36.1% | -5.8% | ||
| Q4 24 | 28.6% | -29.8% | ||
| Q3 24 | 11.8% | 24.3% | ||
| Q2 24 | 141.2% | -42.9% | ||
| Q1 24 | 31.3% | -19.8% |
| Q4 25 | 0.9% | 95.5% | ||
| Q3 25 | 1.9% | 65.9% | ||
| Q2 25 | 3.4% | 74.6% | ||
| Q1 25 | 0.3% | 27.3% | ||
| Q4 24 | 1.0% | 32.5% | ||
| Q3 24 | 0.9% | 19.1% | ||
| Q2 24 | 9.1% | 43.3% | ||
| Q1 24 | 4.2% | 56.7% |
| Q4 25 | 0.62× | 0.14× | ||
| Q3 25 | 0.78× | 2.43× | ||
| Q2 25 | 3.00× | — | ||
| Q1 25 | 0.91× | — | ||
| Q4 24 | 0.71× | — | ||
| Q3 24 | 0.34× | 1.68× | ||
| Q2 24 | 3.70× | — | ||
| Q1 24 | 0.95× | 7.73× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
GCBC
Segment breakdown not available.
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% |
