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Side-by-side financial comparison of Aterian, Inc. (ATER) and Capstone Holding Corp. (CAPS). Click either name above to swap in a different company.

Aterian, Inc. is the larger business by last-quarter revenue ($15.1M vs $14.0M, roughly 1.1× Capstone Holding Corp.). Capstone Holding Corp. runs the higher net margin — -14.4% vs -52.5%, a 38.1% gap on every dollar of revenue.

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.

Capstone Green Energy Corporation, formerly Capstone Turbine Corporation, was incorporated in 1988 as a California based gas turbine manufacturer that specializes in microturbine power along with heating and cooling cogeneration systems. Key to the Capstone design is its use of air bearings, which provides maintenance and fluid-free operation for the lifetime of the turbine and reduces the system to a single moving part. This also eliminates the need for any cooling or other secondary systems...

ATER vs CAPS — Head-to-Head

Bigger by revenue
ATER
ATER
1.1× larger
ATER
$15.1M
$14.0M
CAPS
Higher net margin
CAPS
CAPS
38.1% more per $
CAPS
-14.4%
-52.5%
ATER

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ATER
ATER
CAPS
CAPS
Revenue
$15.1M
$14.0M
Net Profit
$-7.9M
$-2.0M
Gross Margin
56.1%
23.3%
Operating Margin
-51.1%
-5.5%
Net Margin
-52.5%
-14.4%
Revenue YoY
-38.5%
Net Profit YoY
-512.2%
EPS (diluted)
$-0.35

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.

Revenue
ATER
ATER
CAPS
CAPS
Q4 25
$15.1M
Q3 25
$19.0M
$14.0M
Q2 25
$19.5M
$13.2M
Q1 25
$15.4M
$8.2M
Q4 24
$24.6M
Q3 24
$26.2M
Q2 24
$28.0M
Q1 24
$20.2M
Net Profit
ATER
ATER
CAPS
CAPS
Q4 25
$-7.9M
Q3 25
$-2.3M
$-2.0M
Q2 25
$-4.9M
$-700.0K
Q1 25
$-3.9M
$-1.7M
Q4 24
$-1.3M
Q3 24
$-1.8M
Q2 24
$-3.6M
Q1 24
$-5.2M
Gross Margin
ATER
ATER
CAPS
CAPS
Q4 25
56.1%
Q3 25
56.1%
23.3%
Q2 25
54.3%
23.7%
Q1 25
61.4%
16.2%
Q4 24
63.4%
Q3 24
60.3%
Q2 24
60.4%
Q1 24
65.1%
Operating Margin
ATER
ATER
CAPS
CAPS
Q4 25
-51.1%
Q3 25
-10.7%
-5.5%
Q2 25
-23.1%
-2.0%
Q1 25
-24.1%
-17.5%
Q4 24
-6.5%
Q3 24
-6.6%
Q2 24
-11.5%
Q1 24
-26.1%
Net Margin
ATER
ATER
CAPS
CAPS
Q4 25
-52.5%
Q3 25
-12.0%
-14.4%
Q2 25
-25.0%
-5.3%
Q1 25
-25.4%
-21.2%
Q4 24
-5.3%
Q3 24
-6.8%
Q2 24
-13.0%
Q1 24
-25.5%
EPS (diluted)
ATER
ATER
CAPS
CAPS
Q4 25
Q3 25
$-0.35
Q2 25
$-0.13
Q1 25
$-0.47
Q4 24
Q3 24
Q2 24
Q1 24

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATER
ATER
CAPS
CAPS
Cash + ST InvestmentsLiquidity on hand
$4.9M
$730.0K
Total DebtLower is stronger
$11.7M
Stockholders' EquityBook value
$15.2M
$27.2M
Total Assets
$29.6M
$58.5M
Debt / EquityLower = less leverage
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATER
ATER
CAPS
CAPS
Q4 25
$4.9M
Q3 25
$7.6M
$730.0K
Q2 25
$10.5M
$773.0K
Q1 25
$14.3M
$1.7M
Q4 24
$18.0M
Q3 24
$16.1M
Q2 24
$20.3M
Q1 24
$17.5M
Total Debt
ATER
ATER
CAPS
CAPS
Q4 25
Q3 25
$11.7M
Q2 25
$9.6M
Q1 25
$8.8M
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ATER
ATER
CAPS
CAPS
Q4 25
$15.2M
Q3 25
$22.6M
$27.2M
Q2 25
$24.3M
$26.3M
Q1 25
$27.0M
$27.0M
Q4 24
$30.0M
Q3 24
$30.6M
Q2 24
$30.9M
Q1 24
$33.0M
Total Assets
ATER
ATER
CAPS
CAPS
Q4 25
$29.6M
Q3 25
$40.1M
$58.5M
Q2 25
$45.4M
$51.9M
Q1 25
$49.8M
$52.2M
Q4 24
$49.5M
Q3 24
$52.1M
Q2 24
$59.9M
Q1 24
$55.7M
Debt / Equity
ATER
ATER
CAPS
CAPS
Q4 25
Q3 25
0.43×
Q2 25
0.37×
Q1 25
0.33×
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATER
ATER
CAPS
CAPS
Operating Cash FlowLast quarter
$-1.0M
$0
Free Cash FlowOCF − Capex
$-1.0M
FCF MarginFCF / Revenue
-6.9%
Capex IntensityCapex / Revenue
0.0%
0.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATER
ATER
CAPS
CAPS
Q4 25
$-1.0M
Q3 25
$-1.6M
$0
Q2 25
$-4.4M
$-1.7M
Q1 25
$-3.9M
$-2.3M
Q4 24
$-9.0K
Q3 24
$-722.0K
Q2 24
$2.9M
Q1 24
$-6.0K
Free Cash Flow
ATER
ATER
CAPS
CAPS
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
FCF Margin
ATER
ATER
CAPS
CAPS
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%
Capex Intensity
ATER
ATER
CAPS
CAPS
Q4 25
0.0%
Q3 25
0.2%
0.0%
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
ATER

Sales Channel Directly To Consumer$13.1M87%
Heating Cooling And Air Quality$2.1M14%

CAPS
CAPS

Total Stone$12.7M91%
Other$1.3M9%

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