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Side-by-side financial comparison of Aterian, Inc. (ATER) and SUTRO BIOPHARMA, INC. (STRO). Click either name above to swap in a different company.
Aterian, Inc. is the larger business by last-quarter revenue ($15.1M vs $11.6M, roughly 1.3× SUTRO BIOPHARMA, INC.). On growth, SUTRO BIOPHARMA, INC. posted the faster year-over-year revenue change (-21.4% vs -38.5%). Over the past eight quarters, SUTRO BIOPHARMA, INC.'s revenue compounded faster (-5.4% 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.
Sutro Biopharma, Inc. is a publicly traded biotechnology company headquartered in South San Francisco, California focused on clinical-stage drug discovery, development and manufacturing. Using a proprietary cell-free protein synthesis platform, Sutro is working on oncology therapeutics using protein engineering and rational design. Founded in 2003 under the name Fundamental Applied Biology, the company name changed to Sutro Biopharma in 2009. William Newell, CEO as of 2024, joined Sutro in Ja...
ATER vs STRO — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $15.1M | $11.6M |
| Net Profit | $-7.9M | — |
| Gross Margin | 56.1% | — |
| Operating Margin | -51.1% | — |
| Net Margin | -52.5% | — |
| Revenue YoY | -38.5% | -21.4% |
| Net Profit YoY | -512.2% | 35.4% |
| EPS (diluted) | — | — |
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 | $11.6M | ||
| Q3 25 | $19.0M | $9.7M | ||
| Q2 25 | $19.5M | $63.7M | ||
| Q1 25 | $15.4M | $17.4M | ||
| Q4 24 | $24.6M | $14.8M | ||
| Q3 24 | $26.2M | $8.5M | ||
| Q2 24 | $28.0M | $25.7M | ||
| Q1 24 | $20.2M | $13.0M |
| Q4 25 | $-7.9M | — | ||
| Q3 25 | $-2.3M | $-56.9M | ||
| Q2 25 | $-4.9M | $-11.5M | ||
| Q1 25 | $-3.9M | $-76.0M | ||
| Q4 24 | $-1.3M | $-72.4M | ||
| Q3 24 | $-1.8M | $-48.8M | ||
| Q2 24 | $-3.6M | $-48.0M | ||
| Q1 24 | $-5.2M | $-58.2M |
| 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% | — | ||
| Q3 25 | -10.7% | -499.9% | ||
| Q2 25 | -23.1% | -5.2% | ||
| Q1 25 | -24.1% | -393.8% | ||
| Q4 24 | -6.5% | -440.7% | ||
| Q3 24 | -6.6% | -797.2% | ||
| Q2 24 | -11.5% | -189.4% | ||
| Q1 24 | -26.1% | -435.0% |
| Q4 25 | -52.5% | — | ||
| Q3 25 | -12.0% | -586.6% | ||
| Q2 25 | -25.0% | -18.0% | ||
| Q1 25 | -25.4% | -436.6% | ||
| Q4 24 | -5.3% | -489.2% | ||
| Q3 24 | -6.8% | -572.6% | ||
| Q2 24 | -13.0% | -186.8% | ||
| Q1 24 | -25.5% | -447.5% |
| Q4 25 | — | — | ||
| Q3 25 | — | $-0.67 | ||
| Q2 25 | — | $-0.14 | ||
| Q1 25 | — | $-0.91 | ||
| Q4 24 | — | $-27.63 | ||
| Q3 24 | — | $-0.59 | ||
| Q2 24 | — | $-0.59 | ||
| Q1 24 | — | $-0.59 |
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 | $141.4M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $15.2M | $-132.5M |
| Total Assets | $29.6M | $173.8M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $4.9M | $141.4M | ||
| Q3 25 | $7.6M | $167.6M | ||
| Q2 25 | $10.5M | $205.1M | ||
| Q1 25 | $14.3M | $249.0M | ||
| Q4 24 | $18.0M | $316.9M | ||
| Q3 24 | $16.1M | $388.3M | ||
| Q2 24 | $20.3M | $375.6M | ||
| Q1 24 | $17.5M | $267.6M |
| Q4 25 | $15.2M | $-132.5M | ||
| Q3 25 | $22.6M | $-87.3M | ||
| Q2 25 | $24.3M | $-32.1M | ||
| Q1 25 | $27.0M | $-25.8M | ||
| Q4 24 | $30.0M | $44.6M | ||
| Q3 24 | $30.6M | $111.2M | ||
| Q2 24 | $30.9M | $152.2M | ||
| Q1 24 | $33.0M | $98.0M |
| Q4 25 | $29.6M | $173.8M | ||
| Q3 25 | $40.1M | $209.7M | ||
| Q2 25 | $45.4M | $262.4M | ||
| Q1 25 | $49.8M | $321.4M | ||
| Q4 24 | $49.5M | $387.2M | ||
| Q3 24 | $52.1M | $451.8M | ||
| Q2 24 | $59.9M | $489.0M | ||
| Q1 24 | $55.7M | $403.4M |
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 | $-177.2M |
| Free Cash FlowOCF − Capex | $-1.0M | — |
| FCF MarginFCF / Revenue | -6.9% | — |
| Capex IntensityCapex / Revenue | 0.0% | — |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-1.0M | $-177.2M | ||
| Q3 25 | $-1.6M | $-38.2M | ||
| Q2 25 | $-4.4M | $-44.7M | ||
| Q1 25 | $-3.9M | $-67.9M | ||
| Q4 24 | $-9.0K | $-71.7M | ||
| Q3 24 | $-722.0K | $-64.5M | ||
| Q2 24 | $2.9M | $9.5M | ||
| Q1 24 | $-6.0K | $-64.7M |
| Q4 25 | $-1.0M | — | ||
| Q3 25 | $-1.6M | — | ||
| Q2 25 | $-4.4M | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | $2.9M | — | ||
| Q1 24 | $-42.0K | — |
| Q4 25 | -6.9% | — | ||
| Q3 25 | -8.4% | — | ||
| Q2 25 | -22.7% | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | 10.3% | — | ||
| Q1 24 | -0.2% | — |
| Q4 25 | 0.0% | — | ||
| Q3 25 | 0.2% | — | ||
| Q2 25 | 0.0% | — | ||
| Q1 25 | 0.0% | — | ||
| Q4 24 | 0.0% | — | ||
| Q3 24 | 0.0% | — | ||
| Q2 24 | 0.0% | — | ||
| Q1 24 | 0.2% | — |
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% |
STRO
Segment breakdown not available.
