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

Ceribell, Inc. is the larger business by last-quarter revenue ($24.8M vs $15.1M, roughly 1.6× Aterian, Inc.). Aterian, Inc. runs the higher net margin — -52.5% vs -54.6%, a 2.1% gap on every dollar of revenue. Aterian, Inc. produced more free cash flow last quarter ($-1.0M vs $-11.0M).

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.

Ceribell, Inc. develops and commercializes innovative portable neurodiagnostic medical devices, focused on rapid non-invasive electroencephalogram (EEG) solutions for seizure detection. Its core products serve hospital emergency departments, intensive care units, and long-term care facilities, with primary markets across North America and ongoing global expansion efforts.

ATER vs CBLL — Head-to-Head

Bigger by revenue
CBLL
CBLL
1.6× larger
CBLL
$24.8M
$15.1M
ATER
Higher net margin
ATER
ATER
2.1% more per $
ATER
-52.5%
-54.6%
CBLL
More free cash flow
ATER
ATER
$9.9M more FCF
ATER
$-1.0M
$-11.0M
CBLL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATER
ATER
CBLL
CBLL
Revenue
$15.1M
$24.8M
Net Profit
$-7.9M
$-13.5M
Gross Margin
56.1%
87.3%
Operating Margin
-51.1%
-58.9%
Net Margin
-52.5%
-54.6%
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
CBLL
CBLL
Q4 25
$15.1M
$24.8M
Q3 25
$19.0M
$22.6M
Q2 25
$19.5M
$21.2M
Q1 25
$15.4M
$20.5M
Q4 24
$24.6M
Q3 24
$26.2M
$17.2M
Q2 24
$28.0M
Q1 24
$20.2M
Net Profit
ATER
ATER
CBLL
CBLL
Q4 25
$-7.9M
$-13.5M
Q3 25
$-2.3M
$-13.5M
Q2 25
$-4.9M
$-13.6M
Q1 25
$-3.9M
$-12.8M
Q4 24
$-1.3M
Q3 24
$-1.8M
$-10.4M
Q2 24
$-3.6M
Q1 24
$-5.2M
Gross Margin
ATER
ATER
CBLL
CBLL
Q4 25
56.1%
87.3%
Q3 25
56.1%
88.3%
Q2 25
54.3%
88.1%
Q1 25
61.4%
87.9%
Q4 24
63.4%
Q3 24
60.3%
87.3%
Q2 24
60.4%
Q1 24
65.1%
Operating Margin
ATER
ATER
CBLL
CBLL
Q4 25
-51.1%
-58.9%
Q3 25
-10.7%
-64.8%
Q2 25
-23.1%
-70.5%
Q1 25
-24.1%
-69.3%
Q4 24
-6.5%
Q3 24
-6.6%
-57.8%
Q2 24
-11.5%
Q1 24
-26.1%
Net Margin
ATER
ATER
CBLL
CBLL
Q4 25
-52.5%
-54.6%
Q3 25
-12.0%
-59.6%
Q2 25
-25.0%
-64.4%
Q1 25
-25.4%
-62.4%
Q4 24
-5.3%
Q3 24
-6.8%
-60.6%
Q2 24
-13.0%
Q1 24
-25.5%
EPS (diluted)
ATER
ATER
CBLL
CBLL
Q4 25
$-0.35
Q3 25
$-0.37
Q2 25
$-0.38
Q1 25
$-0.36
Q4 24
Q3 24
$-1.85
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
CBLL
CBLL
Cash + ST InvestmentsLiquidity on hand
$4.9M
$159.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$15.2M
$155.3M
Total Assets
$29.6M
$195.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATER
ATER
CBLL
CBLL
Q4 25
$4.9M
$159.3M
Q3 25
$7.6M
$168.5M
Q2 25
$10.5M
$177.4M
Q1 25
$14.3M
$182.7M
Q4 24
$18.0M
Q3 24
$16.1M
$14.1M
Q2 24
$20.3M
Q1 24
$17.5M
Stockholders' Equity
ATER
ATER
CBLL
CBLL
Q4 25
$15.2M
$155.3M
Q3 25
$22.6M
$164.1M
Q2 25
$24.3M
$172.2M
Q1 25
$27.0M
$180.9M
Q4 24
$30.0M
Q3 24
$30.6M
$-136.0M
Q2 24
$30.9M
Q1 24
$33.0M
Total Assets
ATER
ATER
CBLL
CBLL
Q4 25
$29.6M
$195.8M
Q3 25
$40.1M
$199.5M
Q2 25
$45.4M
$207.7M
Q1 25
$49.8M
$213.5M
Q4 24
$49.5M
Q3 24
$52.1M
$47.1M
Q2 24
$59.9M
Q1 24
$55.7M

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
CBLL
CBLL
Operating Cash FlowLast quarter
$-1.0M
$-10.8M
Free Cash FlowOCF − Capex
$-1.0M
$-11.0M
FCF MarginFCF / Revenue
-6.9%
-44.2%
Capex IntensityCapex / Revenue
0.0%
0.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-41.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATER
ATER
CBLL
CBLL
Q4 25
$-1.0M
$-10.8M
Q3 25
$-1.6M
$-11.1M
Q2 25
$-4.4M
$-7.5M
Q1 25
$-3.9M
$-11.4M
Q4 24
$-9.0K
Q3 24
$-722.0K
Q2 24
$2.9M
Q1 24
$-6.0K
Free Cash Flow
ATER
ATER
CBLL
CBLL
Q4 25
$-1.0M
$-11.0M
Q3 25
$-1.6M
$-11.5M
Q2 25
$-4.4M
$-7.6M
Q1 25
$-11.6M
Q4 24
Q3 24
Q2 24
$2.9M
Q1 24
$-42.0K
FCF Margin
ATER
ATER
CBLL
CBLL
Q4 25
-6.9%
-44.2%
Q3 25
-8.4%
-50.8%
Q2 25
-22.7%
-35.9%
Q1 25
-56.4%
Q4 24
Q3 24
Q2 24
10.3%
Q1 24
-0.2%
Capex Intensity
ATER
ATER
CBLL
CBLL
Q4 25
0.0%
0.7%
Q3 25
0.2%
1.6%
Q2 25
0.0%
0.3%
Q1 25
0.0%
0.7%
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%

CBLL
CBLL

Products$18.8M76%
Subscription$6.0M24%

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