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Side-by-side financial comparison of Eos Energy Enterprises, Inc. (EOSE) and Inogen Inc (INGN). Click either name above to swap in a different company.
Inogen Inc is the larger business by last-quarter revenue ($68.6M vs $58.0M, roughly 1.2× Eos Energy Enterprises, Inc.). On growth, Eos Energy Enterprises, Inc. posted the faster year-over-year revenue change (699.6% vs 3.4%). Inogen Inc produced more free cash flow last quarter ($-1.9M vs $-75.2M).
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.
Inogen Inc is a medical technology firm specializing in the development, production and distribution of portable oxygen concentrators and associated respiratory care products. It caters primarily to patients with chronic respiratory conditions needing long-term oxygen therapy across North America, Europe and other global markets, focusing on home care and ambulatory patient segments to enhance users' quality of life.
EOSE vs INGN — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $58.0M | $68.6M |
| Net Profit | $-120.5M | — |
| Gross Margin | -93.8% | 51.4% |
| Operating Margin | -140.1% | -13.6% |
| Net Margin | -207.7% | — |
| Revenue YoY | 699.6% | 3.4% |
| Net Profit YoY | 55.1% | — |
| EPS (diluted) | $-0.53 | $-0.26 |
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 | $68.6M | ||
| Q3 25 | $30.5M | $79.1M | ||
| Q2 25 | $15.2M | $79.2M | ||
| Q1 25 | $10.5M | $68.5M | ||
| Q4 24 | $7.3M | $66.3M | ||
| Q3 24 | — | $74.9M | ||
| Q2 24 | — | $74.4M | ||
| Q1 24 | — | $63.1M |
| Q4 25 | $-120.5M | — | ||
| Q3 25 | $-641.4M | $-5.3M | ||
| Q2 25 | $-222.9M | $-4.2M | ||
| Q1 25 | $15.1M | $-6.2M | ||
| Q4 24 | $-268.1M | — | ||
| Q3 24 | — | $-6.0M | ||
| Q2 24 | — | $-5.6M | ||
| Q1 24 | — | $-14.6M |
| Q4 25 | -93.8% | 51.4% | ||
| Q3 25 | -111.2% | 52.2% | ||
| Q2 25 | -203.2% | 52.2% | ||
| Q1 25 | -234.7% | 53.1% | ||
| Q4 24 | -324.0% | 54.7% | ||
| Q3 24 | — | 55.2% | ||
| Q2 24 | — | 57.4% | ||
| Q1 24 | — | 54.5% |
| Q4 25 | -140.1% | -13.6% | ||
| Q3 25 | -200.6% | -9.0% | ||
| Q2 25 | -419.1% | -7.7% | ||
| Q1 25 | -506.2% | -11.2% | ||
| Q4 24 | -712.8% | -17.2% | ||
| Q3 24 | — | -10.4% | ||
| Q2 24 | — | -9.5% | ||
| Q1 24 | — | -25.8% |
| Q4 25 | -207.7% | — | ||
| Q3 25 | -2102.1% | -6.7% | ||
| Q2 25 | -1463.2% | -5.2% | ||
| Q1 25 | 144.7% | -9.0% | ||
| Q4 24 | -3696.7% | — | ||
| Q3 24 | — | -8.0% | ||
| Q2 24 | — | -7.5% | ||
| Q1 24 | — | -23.1% |
| Q4 25 | $-0.53 | $-0.26 | ||
| Q3 25 | $-4.91 | $-0.20 | ||
| Q2 25 | $-1.05 | $-0.15 | ||
| Q1 25 | $-0.20 | $-0.25 | ||
| Q4 24 | $-2.30 | $-0.41 | ||
| Q3 24 | — | $-0.25 | ||
| Q2 24 | — | $-0.24 | ||
| Q1 24 | — | $-0.62 |
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 | $103.7M |
| Total DebtLower is stronger | $813.3M | — |
| Stockholders' EquityBook value | $-2.2B | $192.2M |
| Total Assets | $885.2M | $298.6M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $568.0M | $103.7M | ||
| Q3 25 | $58.7M | $106.5M | ||
| Q2 25 | $120.2M | $103.7M | ||
| Q1 25 | $82.6M | $118.9M | ||
| Q4 24 | $74.3M | $113.8M | ||
| Q3 24 | — | $105.7M | ||
| Q2 24 | — | $97.9M | ||
| Q1 24 | — | $107.4M |
| 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 | $192.2M | ||
| Q3 25 | $-2.3B | $197.2M | ||
| Q2 25 | $-1.1B | $199.5M | ||
| Q1 25 | $-942.2M | $198.0M | ||
| Q4 24 | $-1.1B | $173.9M | ||
| Q3 24 | — | $185.4M | ||
| Q2 24 | — | $187.6M | ||
| Q1 24 | — | $191.9M |
| Q4 25 | $885.2M | $298.6M | ||
| Q3 25 | $328.2M | $307.0M | ||
| Q2 25 | $361.0M | $312.0M | ||
| Q1 25 | $263.3M | $308.4M | ||
| Q4 24 | $260.3M | $296.2M | ||
| Q3 24 | — | $306.2M | ||
| Q2 24 | — | $308.9M | ||
| Q1 24 | — | $315.6M |
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 | $-943.0K |
| Free Cash FlowOCF − Capex | $-75.2M | $-1.9M |
| FCF MarginFCF / Revenue | -129.7% | -2.8% |
| Capex IntensityCapex / Revenue | 43.1% | 1.4% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-265.0M | $-13.7M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-50.3M | $-943.0K | ||
| Q3 25 | $-65.9M | $2.2M | ||
| Q2 25 | $-66.1M | $4.3M | ||
| Q1 25 | $-28.9M | $-16.8M | ||
| Q4 24 | $-42.7M | $-3.0M | ||
| Q3 24 | — | $7.0M | ||
| Q2 24 | — | $6.7M | ||
| Q1 24 | — | $-4.7M |
| Q4 25 | $-75.2M | $-1.9M | ||
| Q3 25 | $-82.7M | $1.6M | ||
| Q2 25 | $-73.2M | $3.7M | ||
| Q1 25 | $-33.8M | $-17.1M | ||
| Q4 24 | $-55.8M | $-3.3M | ||
| Q3 24 | — | $5.3M | ||
| Q2 24 | — | $6.6M | ||
| Q1 24 | — | $-6.1M |
| Q4 25 | -129.7% | -2.8% | ||
| Q3 25 | -271.1% | 2.0% | ||
| Q2 25 | -480.2% | 4.6% | ||
| Q1 25 | -323.6% | -24.9% | ||
| Q4 24 | -769.1% | -5.0% | ||
| Q3 24 | — | 7.1% | ||
| Q2 24 | — | 8.9% | ||
| Q1 24 | — | -9.6% |
| Q4 25 | 43.1% | 1.4% | ||
| Q3 25 | 55.2% | 0.7% | ||
| Q2 25 | 46.2% | 0.9% | ||
| Q1 25 | 47.0% | 0.4% | ||
| Q4 24 | 180.6% | 0.5% | ||
| Q3 24 | — | 2.2% | ||
| Q2 24 | — | 0.1% | ||
| Q1 24 | — | 2.1% |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| 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.
Revenue Breakdown by Segment
EOSE
Segment breakdown not available.
INGN
| Other | $36.1M | 53% |
| Non Us | $32.5M | 47% |
