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Side-by-side financial comparison of Eos Energy Enterprises, Inc. (EOSE) and STEM, INC. (STEM). Click either name above to swap in a different company.
Eos Energy Enterprises, Inc. is the larger business by last-quarter revenue ($58.0M vs $47.1M, roughly 1.2× STEM, INC.). STEM, INC. runs the higher net margin — -33.9% vs -207.7%, a 173.8% gap on every dollar of revenue. On growth, Eos Energy Enterprises, Inc. posted the faster year-over-year revenue change (699.6% vs -15.6%).
Eos Energy Enterprises, Inc. is an energy storage solutions provider that designs, produces and deploys safe long-duration zinc-based battery systems. It serves utility, commercial, industrial and microgrid customers across North America, Europe and Asia, supporting grid stability and renewable energy integration.
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.
EOSE vs STEM — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $58.0M | $47.1M |
| Net Profit | $-120.5M | $-16.0M |
| Gross Margin | -93.8% | 48.9% |
| Operating Margin | -140.1% | -17.7% |
| Net Margin | -207.7% | -33.9% |
| Revenue YoY | 699.6% | -15.6% |
| Net Profit YoY | 55.1% | 68.8% |
| EPS (diluted) | $-0.53 | $-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 | $58.0M | $47.1M | ||
| Q3 25 | $30.5M | $38.2M | ||
| Q2 25 | $15.2M | $38.4M | ||
| Q1 25 | $10.5M | $32.5M | ||
| Q4 24 | $7.3M | $55.8M | ||
| Q3 24 | — | $29.3M | ||
| Q2 24 | — | $34.0M | ||
| Q1 24 | — | $25.5M |
| Q4 25 | $-120.5M | $-16.0M | ||
| Q3 25 | $-641.4M | $-23.8M | ||
| Q2 25 | $-222.9M | $202.5M | ||
| Q1 25 | $15.1M | $-25.0M | ||
| Q4 24 | $-268.1M | $-51.1M | ||
| Q3 24 | — | $-148.3M | ||
| Q2 24 | — | $-582.3M | ||
| Q1 24 | — | $-72.3M |
| Q4 25 | -93.8% | 48.9% | ||
| Q3 25 | -111.2% | 35.5% | ||
| Q2 25 | -203.2% | 33.4% | ||
| Q1 25 | -234.7% | 32.4% | ||
| Q4 24 | -324.0% | -4.4% | ||
| Q3 24 | — | 21.2% | ||
| Q2 24 | — | 27.6% | ||
| Q1 24 | — | -95.0% |
| Q4 25 | -140.1% | -17.7% | ||
| Q3 25 | -200.6% | -33.6% | ||
| Q2 25 | -419.1% | -34.8% | ||
| Q1 25 | -506.2% | -65.0% | ||
| Q4 24 | -712.8% | -84.4% | ||
| Q3 24 | — | -493.2% | ||
| Q2 24 | — | -1705.5% | ||
| Q1 24 | — | -267.0% |
| Q4 25 | -207.7% | -33.9% | ||
| Q3 25 | -2102.1% | -62.2% | ||
| Q2 25 | -1463.2% | 527.8% | ||
| Q1 25 | 144.7% | -76.9% | ||
| Q4 24 | -3696.7% | -91.6% | ||
| Q3 24 | — | -506.3% | ||
| Q2 24 | — | -1712.6% | ||
| Q1 24 | — | -283.9% |
| Q4 25 | $-0.53 | $-4.40 | ||
| Q3 25 | $-4.91 | $-2.84 | ||
| Q2 25 | $-1.05 | $-1.79 | ||
| Q1 25 | $-0.20 | $-0.15 | ||
| Q4 24 | $-2.30 | $-15.29 | ||
| Q3 24 | — | $-18.24 | ||
| Q2 24 | — | $-71.81 | ||
| Q1 24 | — | $-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 | $568.0M | $48.9M |
| Total DebtLower is stronger | $813.3M | — |
| Stockholders' EquityBook value | $-2.2B | $-249.4M |
| Total Assets | $885.2M | $308.9M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $568.0M | $48.9M | ||
| Q3 25 | $58.7M | $43.1M | ||
| Q2 25 | $120.2M | $40.8M | ||
| Q1 25 | $82.6M | $58.6M | ||
| Q4 24 | $74.3M | $56.3M | ||
| Q3 24 | — | $75.4M | ||
| Q2 24 | — | $89.6M | ||
| Q1 24 | — | $112.8M |
| Q4 25 | $813.3M | — | ||
| Q3 25 | $448.5M | — | ||
| Q2 25 | $445.3M | — | ||
| Q1 25 | $325.5M | — | ||
| Q4 24 | $316.9M | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | $-2.2B | $-249.4M | ||
| Q3 25 | $-2.3B | $-235.7M | ||
| Q2 25 | $-1.1B | $-214.1M | ||
| Q1 25 | $-942.2M | $-417.5M | ||
| Q4 24 | $-1.1B | $-398.4M | ||
| Q3 24 | — | $-344.1M | ||
| Q2 24 | — | $-203.2M | ||
| Q1 24 | — | $371.6M |
| Q4 25 | $885.2M | $308.9M | ||
| Q3 25 | $328.2M | $362.6M | ||
| Q2 25 | $361.0M | $379.2M | ||
| Q1 25 | $263.3M | $405.1M | ||
| Q4 24 | $260.3M | $437.4M | ||
| Q3 24 | — | $537.8M | ||
| Q2 24 | — | $691.5M | ||
| Q1 24 | — | $1.3B |
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 | $-50.3M | $8.2M |
| Free Cash FlowOCF − Capex | $-75.2M | — |
| FCF MarginFCF / Revenue | -129.7% | — |
| Capex IntensityCapex / Revenue | 43.1% | — |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-265.0M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-50.3M | $8.2M | ||
| Q3 25 | $-65.9M | $11.4M | ||
| Q2 25 | $-66.1M | $-21.3M | ||
| Q1 25 | $-28.9M | $8.5M | ||
| Q4 24 | $-42.7M | $-14.7M | ||
| Q3 24 | — | $-9.4M | ||
| Q2 24 | — | $-11.9M | ||
| Q1 24 | — | $-621.0K |
| Q4 25 | $-75.2M | — | ||
| Q3 25 | $-82.7M | — | ||
| Q2 25 | $-73.2M | — | ||
| Q1 25 | $-33.8M | — | ||
| Q4 24 | $-55.8M | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | -129.7% | — | ||
| Q3 25 | -271.1% | — | ||
| Q2 25 | -480.2% | — | ||
| Q1 25 | -323.6% | — | ||
| Q4 24 | -769.1% | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | 43.1% | — | ||
| Q3 25 | 55.2% | — | ||
| Q2 25 | 46.2% | — | ||
| Q1 25 | 47.0% | — | ||
| Q4 24 | 180.6% | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | -0.11× | ||
| Q1 25 | -1.91× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
