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

Outset Medical, Inc. is the larger business by last-quarter revenue ($28.9M vs $15.1M, roughly 1.9× Aterian, Inc.). Aterian, Inc. runs the higher net margin — -52.5% vs -67.5%, a 15.0% gap on every dollar of revenue. On growth, Outset Medical, Inc. posted the faster year-over-year revenue change (-2.0% vs -38.5%). Aterian, Inc. produced more free cash flow last quarter ($-1.0M vs $-9.7M). Over the past eight quarters, Outset Medical, Inc.'s revenue compounded faster (1.2% 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.

Outset Medical, Inc. is a medical technology company focused on developing and commercializing innovative dialysis solutions for patients living with kidney disease. Its flagship Tablo Hemodialysis System supports use in acute care facilities, outpatient clinics, and home settings, serving healthcare providers and patients across the U.S. and select international markets.

ATER vs OM — Head-to-Head

Bigger by revenue
OM
OM
1.9× larger
OM
$28.9M
$15.1M
ATER
Growing faster (revenue YoY)
OM
OM
+36.5% gap
OM
-2.0%
-38.5%
ATER
Higher net margin
ATER
ATER
15.0% more per $
ATER
-52.5%
-67.5%
OM
More free cash flow
ATER
ATER
$8.7M more FCF
ATER
$-1.0M
$-9.7M
OM
Faster 2-yr revenue CAGR
OM
OM
Annualised
OM
1.2%
-13.5%
ATER

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATER
ATER
OM
OM
Revenue
$15.1M
$28.9M
Net Profit
$-7.9M
$-19.5M
Gross Margin
56.1%
42.4%
Operating Margin
-51.1%
-61.1%
Net Margin
-52.5%
-67.5%
Revenue YoY
-38.5%
-2.0%
Net Profit YoY
-512.2%
24.0%
EPS (diluted)
$0.33

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
OM
OM
Q4 25
$15.1M
$28.9M
Q3 25
$19.0M
$29.4M
Q2 25
$19.5M
$31.4M
Q1 25
$15.4M
$29.8M
Q4 24
$24.6M
$29.5M
Q3 24
$26.2M
$28.7M
Q2 24
$28.0M
$27.4M
Q1 24
$20.2M
$28.2M
Net Profit
ATER
ATER
OM
OM
Q4 25
$-7.9M
$-19.5M
Q3 25
$-2.3M
$-17.8M
Q2 25
$-4.9M
$-18.5M
Q1 25
$-3.9M
$-25.8M
Q4 24
$-1.3M
$-25.6M
Q3 24
$-1.8M
$-27.9M
Q2 24
$-3.6M
$-34.5M
Q1 24
$-5.2M
$-39.9M
Gross Margin
ATER
ATER
OM
OM
Q4 25
56.1%
42.4%
Q3 25
56.1%
39.4%
Q2 25
54.3%
37.8%
Q1 25
61.4%
37.2%
Q4 24
63.4%
36.5%
Q3 24
60.3%
34.3%
Q2 24
60.4%
35.7%
Q1 24
65.1%
29.2%
Operating Margin
ATER
ATER
OM
OM
Q4 25
-51.1%
-61.1%
Q3 25
-10.7%
-53.7%
Q2 25
-23.1%
-53.7%
Q1 25
-24.1%
-55.1%
Q4 24
-6.5%
-74.2%
Q3 24
-6.6%
-83.2%
Q2 24
-11.5%
-112.3%
Q1 24
-26.1%
-131.0%
Net Margin
ATER
ATER
OM
OM
Q4 25
-52.5%
-67.5%
Q3 25
-12.0%
-60.6%
Q2 25
-25.0%
-59.0%
Q1 25
-25.4%
-86.7%
Q4 24
-5.3%
-87.0%
Q3 24
-6.8%
-97.5%
Q2 24
-13.0%
-125.8%
Q1 24
-25.5%
-141.8%
EPS (diluted)
ATER
ATER
OM
OM
Q4 25
$0.33
Q3 25
$-1.00
Q2 25
$-1.04
Q1 25
$-3.66
Q4 24
$-7.21
Q3 24
$-8.02
Q2 24
$-9.96
Q1 24
$-11.77

Balance Sheet & Financial Strength

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

Metric
ATER
ATER
OM
OM
Cash + ST InvestmentsLiquidity on hand
$4.9M
$168.9M
Total DebtLower is stronger
$96.2M
Stockholders' EquityBook value
$15.2M
$127.0M
Total Assets
$29.6M
$264.5M
Debt / EquityLower = less leverage
0.76×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATER
ATER
OM
OM
Q4 25
$4.9M
$168.9M
Q3 25
$7.6M
$178.6M
Q2 25
$10.5M
$184.1M
Q1 25
$14.3M
$189.0M
Q4 24
$18.0M
$158.7M
Q3 24
$16.1M
$175.6M
Q2 24
$20.3M
$194.8M
Q1 24
$17.5M
$226.9M
Total Debt
ATER
ATER
OM
OM
Q4 25
$96.2M
Q3 25
Q2 25
Q1 25
Q4 24
$197.4M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ATER
ATER
OM
OM
Q4 25
$15.2M
$127.0M
Q3 25
$22.6M
$142.4M
Q2 25
$24.3M
$154.8M
Q1 25
$27.0M
$169.9M
Q4 24
$30.0M
$26.8M
Q3 24
$30.6M
$47.8M
Q2 24
$30.9M
$68.6M
Q1 24
$33.0M
$93.2M
Total Assets
ATER
ATER
OM
OM
Q4 25
$29.6M
$264.5M
Q3 25
$40.1M
$277.3M
Q2 25
$45.4M
$288.8M
Q1 25
$49.8M
$301.2M
Q4 24
$49.5M
$275.8M
Q3 24
$52.1M
$292.9M
Q2 24
$59.9M
$314.5M
Q1 24
$55.7M
$346.2M
Debt / Equity
ATER
ATER
OM
OM
Q4 25
0.76×
Q3 25
Q2 25
Q1 25
Q4 24
7.36×
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
OM
OM
Operating Cash FlowLast quarter
$-1.0M
$-9.5M
Free Cash FlowOCF − Capex
$-1.0M
$-9.7M
FCF MarginFCF / Revenue
-6.9%
-33.7%
Capex IntensityCapex / Revenue
0.0%
0.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-47.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATER
ATER
OM
OM
Q4 25
$-1.0M
$-9.5M
Q3 25
$-1.6M
$-6.3M
Q2 25
$-4.4M
$-4.8M
Q1 25
$-3.9M
$-25.7M
Q4 24
$-9.0K
$-16.5M
Q3 24
$-722.0K
$-20.6M
Q2 24
$2.9M
$-33.3M
Q1 24
$-6.0K
$-45.9M
Free Cash Flow
ATER
ATER
OM
OM
Q4 25
$-1.0M
$-9.7M
Q3 25
$-1.6M
$-6.5M
Q2 25
$-4.4M
$-5.1M
Q1 25
$-25.8M
Q4 24
$-16.5M
Q3 24
$-21.0M
Q2 24
$2.9M
$-33.5M
Q1 24
$-42.0K
$-46.3M
FCF Margin
ATER
ATER
OM
OM
Q4 25
-6.9%
-33.7%
Q3 25
-8.4%
-22.0%
Q2 25
-22.7%
-16.3%
Q1 25
-86.7%
Q4 24
-56.1%
Q3 24
-73.1%
Q2 24
10.3%
-122.2%
Q1 24
-0.2%
-164.3%
Capex Intensity
ATER
ATER
OM
OM
Q4 25
0.0%
0.8%
Q3 25
0.2%
0.5%
Q2 25
0.0%
0.9%
Q1 25
0.0%
0.4%
Q4 24
0.0%
0.1%
Q3 24
0.0%
1.4%
Q2 24
0.0%
0.4%
Q1 24
0.2%
1.3%

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%

OM
OM

Consumables Product$13.5M47%
Service And Other Revenue$9.0M31%
Consoles Product$6.4M22%

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