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Side-by-side financial comparison of AEHR TEST SYSTEMS (AEHR) and CytomX Therapeutics, Inc. (CTMX). Click either name above to swap in a different company.

CytomX Therapeutics, Inc. is the larger business by last-quarter revenue ($18.7M vs $9.9M, roughly 1.9× AEHR TEST SYSTEMS). CytomX Therapeutics, Inc. runs the higher net margin — -0.8% vs -32.7%, a 31.9% gap on every dollar of revenue. On growth, CytomX Therapeutics, Inc. posted the faster year-over-year revenue change (-25.7% vs -26.5%). AEHR TEST SYSTEMS produced more free cash flow last quarter ($-1.6M vs $-15.8M). Over the past eight quarters, AEHR TEST SYSTEMS's revenue compounded faster (14.3% CAGR vs -15.9%).

Aehr Test Systems designs, manufactures and sells advanced test and burn-in systems for the global semiconductor industry. Its products help semiconductor manufacturers, packaging firms and chip designers validate reliability of logic, memory and power semiconductor devices, serving markets across North America, Asia and Europe.

CytomX Therapeutics is a clinical-stage biotechnology company specializing in innovative cancer immunotherapies. It leverages its proprietary Probody technology platform to develop targeted therapies that activate exclusively in tumor microenvironments, minimizing off-target toxicities, with a pipeline covering multiple solid tumor indications and partnerships with leading global pharmaceutical firms.

AEHR vs CTMX — Head-to-Head

Bigger by revenue
CTMX
CTMX
1.9× larger
CTMX
$18.7M
$9.9M
AEHR
Growing faster (revenue YoY)
CTMX
CTMX
+0.8% gap
CTMX
-25.7%
-26.5%
AEHR
Higher net margin
CTMX
CTMX
31.9% more per $
CTMX
-0.8%
-32.7%
AEHR
More free cash flow
AEHR
AEHR
$14.1M more FCF
AEHR
$-1.6M
$-15.8M
CTMX
Faster 2-yr revenue CAGR
AEHR
AEHR
Annualised
AEHR
14.3%
-15.9%
CTMX

Income Statement — Q4 FY2025 vs Q2 FY2025

Metric
AEHR
AEHR
CTMX
CTMX
Revenue
$9.9M
$18.7M
Net Profit
$-3.2M
$-154.0K
Gross Margin
25.7%
Operating Margin
-47.0%
-6.9%
Net Margin
-32.7%
-0.8%
Revenue YoY
-26.5%
-25.7%
Net Profit YoY
-214.2%
97.6%
EPS (diluted)
$-0.11

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
AEHR
AEHR
CTMX
CTMX
Q4 25
$9.9M
Q3 25
$11.0M
Q2 25
$14.1M
$18.7M
Q1 25
$18.3M
$50.9M
Q4 24
$13.5M
$38.1M
Q3 24
$13.1M
$33.4M
Q2 24
$16.6M
$25.1M
Q1 24
$7.6M
$41.5M
Net Profit
AEHR
AEHR
CTMX
CTMX
Q4 25
$-3.2M
Q3 25
$-2.1M
Q2 25
$-2.9M
$-154.0K
Q1 25
$-643.0K
$23.5M
Q4 24
$-1.0M
$18.9M
Q3 24
$660.0K
$5.7M
Q2 24
$23.9M
$-6.5M
Q1 24
$-1.5M
$13.8M
Gross Margin
AEHR
AEHR
CTMX
CTMX
Q4 25
25.7%
Q3 25
33.9%
Q2 25
30.3%
Q1 25
39.2%
Q4 24
40.1%
Q3 24
54.0%
Q2 24
50.9%
Q1 24
41.7%
Operating Margin
AEHR
AEHR
CTMX
CTMX
Q4 25
-47.0%
Q3 25
-37.1%
Q2 25
-22.7%
-6.9%
Q1 25
-6.1%
44.4%
Q4 24
-11.2%
46.4%
Q3 24
1.2%
12.3%
Q2 24
15.3%
-33.7%
Q1 24
-27.1%
28.1%
Net Margin
AEHR
AEHR
CTMX
CTMX
Q4 25
-32.7%
Q3 25
-19.0%
Q2 25
-20.6%
-0.8%
Q1 25
-3.5%
46.2%
Q4 24
-7.6%
49.6%
Q3 24
5.0%
17.2%
Q2 24
143.8%
-26.0%
Q1 24
-19.4%
33.3%
EPS (diluted)
AEHR
AEHR
CTMX
CTMX
Q4 25
$-0.11
Q3 25
$-0.07
Q2 25
$-0.10
Q1 25
$-0.02
Q4 24
$-0.03
Q3 24
$0.02
Q2 24
$0.81
Q1 24
$-0.05

Balance Sheet & Financial Strength

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

Metric
AEHR
AEHR
CTMX
CTMX
Cash + ST InvestmentsLiquidity on hand
$30.8M
$49.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$130.8M
$119.9M
Total Assets
$148.7M
$175.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEHR
AEHR
CTMX
CTMX
Q4 25
$30.8M
Q3 25
$22.7M
Q2 25
$24.5M
$49.0M
Q1 25
$29.4M
$47.6M
Q4 24
$32.2M
$38.1M
Q3 24
$37.8M
$40.6M
Q2 24
$49.2M
$43.2M
Q1 24
$47.6M
$36.2M
Stockholders' Equity
AEHR
AEHR
CTMX
CTMX
Q4 25
$130.8M
Q3 25
$122.4M
Q2 25
$122.9M
$119.9M
Q1 25
$124.2M
$25.0M
Q4 24
$123.2M
$-456.0K
Q3 24
$122.5M
$-23.5M
Q2 24
$111.6M
$-31.2M
Q1 24
$86.5M
$-31.7M
Total Assets
AEHR
AEHR
CTMX
CTMX
Q4 25
$148.7M
Q3 25
$144.1M
Q2 25
$148.5M
$175.1M
Q1 25
$145.6M
$98.5M
Q4 24
$142.3M
$120.5M
Q3 24
$145.9M
$139.0M
Q2 24
$127.9M
$159.2M
Q1 24
$101.6M
$184.7M

Cash Flow & Capital Efficiency

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

Metric
AEHR
AEHR
CTMX
CTMX
Operating Cash FlowLast quarter
$-1.2M
$-15.8M
Free Cash FlowOCF − Capex
$-1.6M
$-15.8M
FCF MarginFCF / Revenue
-16.6%
-84.6%
Capex IntensityCapex / Revenue
4.7%
0.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-11.7M
$-77.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEHR
AEHR
CTMX
CTMX
Q4 25
$-1.2M
Q3 25
$-282.0K
Q2 25
$-2.3M
$-15.8M
Q1 25
$-1.6M
$-21.0M
Q4 24
$-5.9M
$-19.9M
Q3 24
$2.4M
$-20.7M
Q2 24
$1.2M
$-19.5M
Q1 24
$-2.8M
$-26.0M
Free Cash Flow
AEHR
AEHR
CTMX
CTMX
Q4 25
$-1.6M
Q3 25
$-1.7M
Q2 25
$-5.1M
$-15.8M
Q1 25
$-3.3M
$-21.2M
Q4 24
$-6.2M
$-20.0M
Q3 24
$2.2M
$-20.7M
Q2 24
$1.2M
$-19.6M
Q1 24
$-3.1M
$-26.2M
FCF Margin
AEHR
AEHR
CTMX
CTMX
Q4 25
-16.6%
Q3 25
-15.3%
Q2 25
-36.3%
-84.6%
Q1 25
-17.8%
-41.6%
Q4 24
-46.0%
-52.5%
Q3 24
16.6%
-62.1%
Q2 24
7.1%
-78.2%
Q1 24
-40.8%
-63.1%
Capex Intensity
AEHR
AEHR
CTMX
CTMX
Q4 25
4.7%
Q3 25
12.7%
Q2 25
20.0%
0.1%
Q1 25
9.0%
0.2%
Q4 24
2.4%
0.2%
Q3 24
1.5%
0.1%
Q2 24
0.3%
0.4%
Q1 24
3.5%
0.3%
Cash Conversion
AEHR
AEHR
CTMX
CTMX
Q4 25
Q3 25
Q2 25
Q1 25
-0.89×
Q4 24
-1.05×
Q3 24
3.61×
-3.61×
Q2 24
0.05×
Q1 24
-1.89×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AEHR
AEHR

Systems$5.0M50%
Contactors$3.4M35%
Services$1.5M15%

CTMX
CTMX

Bristol Myers Squibb Company$11.6M62%
Astellas Pharma Inc$4.6M25%
Regeneron Pharmaceuticals Inc$2.1M11%

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