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Side-by-side financial comparison of Aterian, Inc. (ATER) and SURF AIR MOBILITY INC. (SRFM). Click either name above to swap in a different company.
SURF AIR MOBILITY INC. is the larger business by last-quarter revenue ($26.4M vs $15.1M, roughly 1.7× Aterian, Inc.). Aterian, Inc. runs the higher net margin — -52.5% vs -139.4%, a 86.9% gap on every dollar of revenue. On growth, SURF AIR MOBILITY INC. posted the faster year-over-year revenue change (-5.7% vs -38.5%). Aterian, Inc. produced more free cash flow last quarter ($-1.0M vs $-20.1M). Over the past eight quarters, SURF AIR MOBILITY INC.'s revenue compounded faster (-7.1% CAGR vs -13.5%).
Aterian, Inc. is a technology-enabled consumer products company that leverages artificial intelligence and data analytics to identify market demand, develop, source and distribute a wide portfolio of affordable goods spanning home improvement, wellness, personal care, pet supplies and outdoor recreation. It primarily sells its products through leading global e-commerce platforms, with core markets covering North America and Europe.
Surf Air Mobility Inc. is an American aviation company focused on regional flying. The company plans to develop electric and hybrid powertrains to upgrade existing aircraft. Surf Air Mobility is also developing AI-enabled SurfOS operating system for the regional air mobility industry. Surf Air Mobility is the parent company of Surf Air, Surf On Demand, and two airlines, Mokulele Airlines and Southern Airways Express.
ATER vs SRFM — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $15.1M | $26.4M |
| Net Profit | $-7.9M | $-36.9M |
| Gross Margin | 56.1% | — |
| Operating Margin | -51.1% | -97.8% |
| Net Margin | -52.5% | -139.4% |
| Revenue YoY | -38.5% | -5.7% |
| Net Profit YoY | -512.2% | -3015.3% |
| EPS (diluted) | — | $-0.08 |
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 | $15.1M | $26.4M | ||
| Q3 25 | $19.0M | $29.2M | ||
| Q2 25 | $19.5M | $27.4M | ||
| Q1 25 | $15.4M | $23.5M | ||
| Q4 24 | $24.6M | $28.0M | ||
| Q3 24 | $26.2M | $28.4M | ||
| Q2 24 | $28.0M | $32.4M | ||
| Q1 24 | $20.2M | $30.6M |
| Q4 25 | $-7.9M | $-36.9M | ||
| Q3 25 | $-2.3M | $-27.2M | ||
| Q2 25 | $-4.9M | $-28.0M | ||
| Q1 25 | $-3.9M | $-18.5M | ||
| Q4 24 | $-1.3M | $1.3M | ||
| Q3 24 | $-1.8M | $-12.2M | ||
| Q2 24 | $-3.6M | $-27.0M | ||
| Q1 24 | $-5.2M | $-37.0M |
| Q4 25 | 56.1% | — | ||
| Q3 25 | 56.1% | — | ||
| Q2 25 | 54.3% | — | ||
| Q1 25 | 61.4% | — | ||
| Q4 24 | 63.4% | — | ||
| Q3 24 | 60.3% | — | ||
| Q2 24 | 60.4% | — | ||
| Q1 24 | 65.1% | — |
| Q4 25 | -51.1% | -97.8% | ||
| Q3 25 | -10.7% | -56.6% | ||
| Q2 25 | -23.1% | -58.1% | ||
| Q1 25 | -24.1% | -79.0% | ||
| Q4 24 | -6.5% | 28.9% | ||
| Q3 24 | -6.6% | -30.4% | ||
| Q2 24 | -11.5% | -78.0% | ||
| Q1 24 | -26.1% | -112.6% |
| Q4 25 | -52.5% | -139.4% | ||
| Q3 25 | -12.0% | -93.3% | ||
| Q2 25 | -25.0% | -102.1% | ||
| Q1 25 | -25.4% | -78.6% | ||
| Q4 24 | -5.3% | 4.5% | ||
| Q3 24 | -6.8% | -43.1% | ||
| Q2 24 | -13.0% | -83.4% | ||
| Q1 24 | -25.5% | -120.7% |
| Q4 25 | — | $-0.08 | ||
| Q3 25 | — | $-0.64 | ||
| Q2 25 | — | $-1.34 | ||
| Q1 25 | — | $-1.09 | ||
| Q4 24 | — | $0.80 | ||
| Q3 24 | — | $-0.94 | ||
| Q2 24 | — | $-2.31 | ||
| Q1 24 | — | $-3.35 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $4.9M | $12.7M |
| Total DebtLower is stronger | — | $17.1M |
| Stockholders' EquityBook value | $15.2M | $-54.9M |
| Total Assets | $29.6M | $131.7M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $4.9M | $12.7M | ||
| Q3 25 | $7.6M | $7.1M | ||
| Q2 25 | $10.5M | $22.6M | ||
| Q1 25 | $14.3M | $6.6M | ||
| Q4 24 | $18.0M | $21.1M | ||
| Q3 24 | $16.1M | $506.0K | ||
| Q2 24 | $20.3M | $1.5M | ||
| Q1 24 | $17.5M | $1.3M |
| Q4 25 | — | $17.1M | ||
| Q3 25 | — | $63.8M | ||
| Q2 25 | — | $63.3M | ||
| Q1 25 | — | $62.9M | ||
| Q4 24 | — | $62.4M | ||
| Q3 24 | — | $22.5M | ||
| Q2 24 | — | $23.3M | ||
| Q1 24 | — | $25.1M |
| Q4 25 | $15.2M | $-54.9M | ||
| Q3 25 | $22.6M | $-92.6M | ||
| Q2 25 | $24.3M | $-115.5M | ||
| Q1 25 | $27.0M | $-135.6M | ||
| Q4 24 | $30.0M | $-120.0M | ||
| Q3 24 | $30.6M | $-135.6M | ||
| Q2 24 | $30.9M | $-128.1M | ||
| Q1 24 | $33.0M | $-106.3M |
| Q4 25 | $29.6M | $131.7M | ||
| Q3 25 | $40.1M | $106.8M | ||
| Q2 25 | $45.4M | $129.0M | ||
| Q1 25 | $49.8M | $105.3M | ||
| Q4 24 | $49.5M | $124.1M | ||
| Q3 24 | $52.1M | $97.9M | ||
| Q2 24 | $59.9M | $105.5M | ||
| Q1 24 | $55.7M | $108.8M |
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 | $-1.0M | $-18.4M |
| Free Cash FlowOCF − Capex | $-1.0M | $-20.1M |
| FCF MarginFCF / Revenue | -6.9% | -76.0% |
| Capex IntensityCapex / Revenue | 0.0% | 6.5% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | $-70.1M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-1.0M | $-18.4M | ||
| Q3 25 | $-1.6M | $-19.3M | ||
| Q2 25 | $-4.4M | $-10.6M | ||
| Q1 25 | $-3.9M | $-15.8M | ||
| Q4 24 | $-9.0K | $-23.6M | ||
| Q3 24 | $-722.0K | $-12.3M | ||
| Q2 24 | $2.9M | $-5.6M | ||
| Q1 24 | $-6.0K | $-12.8M |
| Q4 25 | $-1.0M | $-20.1M | ||
| Q3 25 | $-1.6M | $-21.1M | ||
| Q2 25 | $-4.4M | $-11.9M | ||
| Q1 25 | — | $-17.1M | ||
| Q4 24 | — | $-32.7M | ||
| Q3 24 | — | $-13.6M | ||
| Q2 24 | $2.9M | $-6.3M | ||
| Q1 24 | $-42.0K | $-13.5M |
| Q4 25 | -6.9% | -76.0% | ||
| Q3 25 | -8.4% | -72.2% | ||
| Q2 25 | -22.7% | -43.2% | ||
| Q1 25 | — | -72.6% | ||
| Q4 24 | — | -116.5% | ||
| Q3 24 | — | -47.8% | ||
| Q2 24 | 10.3% | -19.5% | ||
| Q1 24 | -0.2% | -44.2% |
| Q4 25 | 0.0% | 6.5% | ||
| Q3 25 | 0.2% | 5.9% | ||
| Q2 25 | 0.0% | 4.4% | ||
| Q1 25 | 0.0% | 5.4% | ||
| Q4 24 | 0.0% | 32.4% | ||
| Q3 24 | 0.0% | 4.4% | ||
| Q2 24 | 0.0% | 2.2% | ||
| Q1 24 | 0.2% | 2.3% |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | -18.64× | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ATER
| Sales Channel Directly To Consumer | $13.1M | 87% |
| Heating Cooling And Air Quality | $2.1M | 14% |
SRFM
| Scheduled | $17.2M | 65% |
| On Demand | $9.2M | 35% |
