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Side-by-side financial comparison of Arq, Inc. (ARQ) and ASP Isotopes Inc. (ASPI). Click either name above to swap in a different company.
Arq, Inc. is the larger business by last-quarter revenue ($29.4M vs $16.7M, roughly 1.8× ASP Isotopes Inc.). On growth, ASP Isotopes Inc. posted the faster year-over-year revenue change (1295.7% vs 8.8%). Arq, Inc. produced more free cash flow last quarter ($-3.5M vs $-47.4M). Over the past eight quarters, ASP Isotopes Inc.'s revenue compounded faster (345.2% CAGR vs 16.4%).
Arq, Inc. is a sustainable technology firm focused on processing coal mining waste to produce high-value, low-carbon solid fuels and industrial carbon products. It caters to customers across the energy, construction, and manufacturing sectors, with core markets in North America and major European regions, aiming to cut industrial waste and carbon footprints for its clients.
ASP Isotopes Inc. is a specialty materials firm focused on developing and producing high-purity custom isotopes. Its products serve key sectors including nuclear medicine, targeted cancer therapies, advanced energy, and industrial research, with customers across North America, Europe and Asia Pacific.
ARQ vs ASPI — Head-to-Head
Income Statement — Q4 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $29.4M | $16.7M |
| Net Profit | — | — |
| Gross Margin | 13.6% | 12.5% |
| Operating Margin | -174.1% | — |
| Net Margin | — | — |
| Revenue YoY | 8.8% | 1295.7% |
| Net Profit YoY | — | -586.8% |
| EPS (diluted) | $-1.20 | — |
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 | $29.4M | $16.7M | ||
| Q3 25 | $35.1M | $4.9M | ||
| Q2 25 | $28.6M | $1.2M | ||
| Q1 25 | $27.2M | $1.1M | ||
| Q4 24 | $27.0M | $1.2M | ||
| Q3 24 | $34.8M | $1.1M | ||
| Q2 24 | $25.4M | $1.0M | ||
| Q1 24 | $21.7M | $840.4K |
| Q4 25 | — | — | ||
| Q3 25 | $-653.0K | $-12.9M | ||
| Q2 25 | $-2.1M | $-75.2M | ||
| Q1 25 | $203.0K | $-8.5M | ||
| Q4 24 | — | — | ||
| Q3 24 | $1.6M | $-7.4M | ||
| Q2 24 | $-2.0M | $-8.9M | ||
| Q1 24 | $-3.4M | $-7.0M |
| Q4 25 | 13.6% | 12.5% | ||
| Q3 25 | 28.8% | 8.7% | ||
| Q2 25 | 33.3% | 47.7% | ||
| Q1 25 | 36.4% | 29.7% | ||
| Q4 24 | 36.3% | 50.7% | ||
| Q3 24 | 38.6% | 27.0% | ||
| Q2 24 | 32.2% | 41.2% | ||
| Q1 24 | 36.9% | 33.2% |
| Q4 25 | -174.1% | — | ||
| Q3 25 | -2.4% | -306.1% | ||
| Q2 25 | -5.4% | -998.8% | ||
| Q1 25 | 2.4% | -721.9% | ||
| Q4 24 | 1.5% | — | ||
| Q3 24 | 5.8% | -499.6% | ||
| Q2 24 | -5.6% | -729.5% | ||
| Q1 24 | -13.7% | -691.9% |
| Q4 25 | — | — | ||
| Q3 25 | -1.9% | -263.7% | ||
| Q2 25 | -7.5% | -6271.7% | ||
| Q1 25 | 0.7% | -768.1% | ||
| Q4 24 | — | — | ||
| Q3 24 | 4.7% | -676.2% | ||
| Q2 24 | -7.7% | -868.8% | ||
| Q1 24 | -15.7% | -828.8% |
| Q4 25 | $-1.20 | — | ||
| Q3 25 | $-0.02 | $-0.15 | ||
| Q2 25 | $-0.05 | $-1.03 | ||
| Q1 25 | $0.00 | $-0.12 | ||
| Q4 24 | $-0.03 | — | ||
| Q3 24 | $0.04 | $-0.12 | ||
| Q2 24 | $-0.06 | $-0.24 | ||
| Q1 24 | $-0.09 | $-0.16 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $6.6M | $333.3M |
| Total DebtLower is stronger | $28.7M | $14.4M |
| Stockholders' EquityBook value | $168.0M | $204.2M |
| Total Assets | $230.6M | $498.0M |
| Debt / EquityLower = less leverage | 0.17× | 0.07× |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $6.6M | $333.3M | ||
| Q3 25 | $7.0M | $113.9M | ||
| Q2 25 | $7.0M | $67.7M | ||
| Q1 25 | $6.3M | $56.0M | ||
| Q4 24 | $13.5M | $61.9M | ||
| Q3 24 | $48.7M | $51.6M | ||
| Q2 24 | $28.5M | — | ||
| Q1 24 | $35.2M | — |
| Q4 25 | $28.7M | $14.4M | ||
| Q3 25 | $26.1M | $13.9M | ||
| Q2 25 | $28.9M | — | ||
| Q1 25 | $27.1M | — | ||
| Q4 24 | $25.1M | $2.4M | ||
| Q3 24 | $21.6M | — | ||
| Q2 24 | $22.2M | — | ||
| Q1 24 | $22.6M | — |
| Q4 25 | $168.0M | $204.2M | ||
| Q3 25 | $217.2M | $74.1M | ||
| Q2 25 | $216.8M | $25.2M | ||
| Q1 25 | $218.2M | $42.5M | ||
| Q4 24 | $217.3M | $47.9M | ||
| Q3 24 | $218.1M | $38.7M | ||
| Q2 24 | $189.6M | $11.0M | ||
| Q1 24 | $175.2M | $10.5M |
| Q4 25 | $230.6M | $498.0M | ||
| Q3 25 | $277.9M | $225.9M | ||
| Q2 25 | $284.5M | $135.9M | ||
| Q1 25 | $283.7M | $90.9M | ||
| Q4 24 | $284.4M | $94.3M | ||
| Q3 24 | $280.0M | $84.1M | ||
| Q2 24 | $248.6M | $54.8M | ||
| Q1 24 | $229.8M | $45.4M |
| Q4 25 | 0.17× | 0.07× | ||
| Q3 25 | 0.12× | 0.19× | ||
| Q2 25 | 0.13× | — | ||
| Q1 25 | 0.12× | — | ||
| Q4 24 | 0.12× | 0.05× | ||
| Q3 24 | 0.10× | — | ||
| Q2 24 | 0.12× | — | ||
| Q1 24 | 0.13× | — |
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 | $-2.8M | $-37.8M |
| Free Cash FlowOCF − Capex | $-3.5M | $-47.4M |
| FCF MarginFCF / Revenue | -12.0% | -284.7% |
| Capex IntensityCapex / Revenue | 2.7% | 57.9% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-11.3M | $-74.6M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-2.8M | $-37.8M | ||
| Q3 25 | $5.3M | $-8.9M | ||
| Q2 25 | $527.0K | $-7.9M | ||
| Q1 25 | $-5.8M | $-3.2M | ||
| Q4 24 | $5.2M | $-16.7M | ||
| Q3 24 | $7.7M | $-4.8M | ||
| Q2 24 | $-3.0M | $-5.1M | ||
| Q1 24 | $526.0K | $-3.0M |
| Q4 25 | $-3.5M | $-47.4M | ||
| Q3 25 | $3.1M | $-12.0M | ||
| Q2 25 | $-1.4M | $-9.7M | ||
| Q1 25 | $-9.5M | $-5.5M | ||
| Q4 24 | $-37.8M | $-26.4M | ||
| Q3 24 | $-5.8M | $-9.3M | ||
| Q2 24 | $-22.1M | $-7.7M | ||
| Q1 24 | $-9.1M | $-4.2M |
| Q4 25 | -12.0% | -284.7% | ||
| Q3 25 | 8.8% | -245.5% | ||
| Q2 25 | -4.7% | -809.4% | ||
| Q1 25 | -34.9% | -497.4% | ||
| Q4 24 | -139.6% | -2209.3% | ||
| Q3 24 | -16.5% | -857.3% | ||
| Q2 24 | -87.1% | -757.8% | ||
| Q1 24 | -41.7% | -501.7% |
| Q4 25 | 2.7% | 57.9% | ||
| Q3 25 | 6.3% | 64.4% | ||
| Q2 25 | 6.6% | 150.1% | ||
| Q1 25 | 13.6% | 209.6% | ||
| Q4 24 | 158.9% | 810.5% | ||
| Q3 24 | 38.7% | 412.3% | ||
| Q2 24 | 75.5% | 256.5% | ||
| Q1 24 | 44.1% | 148.3% |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | -28.59× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | 4.76× | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
