vs
Side-by-side financial comparison of AEHR TEST SYSTEMS (AEHR) and ALPHA PRO TECH LTD (APT). Click either name above to swap in a different company.
ALPHA PRO TECH LTD is the larger business by last-quarter revenue ($13.9M vs $9.9M, roughly 1.4× AEHR TEST SYSTEMS). ALPHA PRO TECH LTD runs the higher net margin — 5.0% vs -32.7%, a 37.7% gap on every dollar of revenue. On growth, ALPHA PRO TECH LTD posted the faster year-over-year revenue change (0.3% vs -26.5%). ALPHA PRO TECH LTD produced more free cash flow last quarter ($51.0K vs $-1.6M). Over the past eight quarters, AEHR TEST SYSTEMS's revenue compounded faster (14.3% CAGR vs 1.4%).
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.
Alpha Pro Tech Ltd is a leading developer, manufacturer and marketer of disposable protective apparel, face masks, and building supply products including weather-resistant barriers. It primarily serves the healthcare, industrial, and construction sectors, with core operating markets concentrated in North America.
AEHR vs APT — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $9.9M | $13.9M |
| Net Profit | $-3.2M | $698.0K |
| Gross Margin | 25.7% | 37.1% |
| Operating Margin | -47.0% | 6.9% |
| Net Margin | -32.7% | 5.0% |
| Revenue YoY | -26.5% | 0.3% |
| Net Profit YoY | -214.2% | -17.6% |
| EPS (diluted) | $-0.11 | $0.06 |
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 | $9.9M | $13.9M | ||
| Q3 25 | $11.0M | $14.8M | ||
| Q2 25 | $14.1M | $16.7M | ||
| Q1 25 | $18.3M | $13.8M | ||
| Q4 24 | $13.5M | $13.8M | ||
| Q3 24 | $13.1M | $14.3M | ||
| Q2 24 | $16.6M | $16.3M | ||
| Q1 24 | $7.6M | $13.5M |
| Q4 25 | $-3.2M | $698.0K | ||
| Q3 25 | $-2.1M | $976.0K | ||
| Q2 25 | $-2.9M | $1.2M | ||
| Q1 25 | $-643.0K | $613.0K | ||
| Q4 24 | $-1.0M | $847.0K | ||
| Q3 24 | $660.0K | $862.0K | ||
| Q2 24 | $23.9M | $1.6M | ||
| Q1 24 | $-1.5M | $576.0K |
| Q4 25 | 25.7% | 37.1% | ||
| Q3 25 | 33.9% | 39.7% | ||
| Q2 25 | 30.3% | 36.8% | ||
| Q1 25 | 39.2% | 39.0% | ||
| Q4 24 | 40.1% | 37.6% | ||
| Q3 24 | 54.0% | 38.5% | ||
| Q2 24 | 50.9% | 42.0% | ||
| Q1 24 | 41.7% | 40.2% |
| Q4 25 | -47.0% | 6.9% | ||
| Q3 25 | -37.1% | 7.4% | ||
| Q2 25 | -22.7% | 8.0% | ||
| Q1 25 | -6.1% | 3.3% | ||
| Q4 24 | -11.2% | 4.9% | ||
| Q3 24 | 1.2% | 5.2% | ||
| Q2 24 | 15.3% | 10.5% | ||
| Q1 24 | -27.1% | 2.4% |
| Q4 25 | -32.7% | 5.0% | ||
| Q3 25 | -19.0% | 6.6% | ||
| Q2 25 | -20.6% | 7.5% | ||
| Q1 25 | -3.5% | 4.4% | ||
| Q4 24 | -7.6% | 6.1% | ||
| Q3 24 | 5.0% | 6.0% | ||
| Q2 24 | 143.8% | 10.1% | ||
| Q1 24 | -19.4% | 4.3% |
| Q4 25 | $-0.11 | $0.06 | ||
| Q3 25 | $-0.07 | $0.09 | ||
| Q2 25 | $-0.10 | $0.12 | ||
| Q1 25 | $-0.02 | $0.06 | ||
| Q4 24 | $-0.03 | $0.07 | ||
| Q3 24 | $0.02 | $0.08 | ||
| Q2 24 | $0.81 | $0.15 | ||
| Q1 24 | $-0.05 | $0.05 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $30.8M | $17.0M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $130.8M | $62.5M |
| Total Assets | $148.7M | $74.1M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $30.8M | $17.0M | ||
| Q3 25 | $22.7M | $17.7M | ||
| Q2 25 | $24.5M | $14.5M | ||
| Q1 25 | $29.4M | $13.4M | ||
| Q4 24 | $32.2M | $18.6M | ||
| Q3 24 | $37.8M | $18.4M | ||
| Q2 24 | $49.2M | $16.2M | ||
| Q1 24 | $47.6M | $18.5M |
| Q4 25 | $130.8M | $62.5M | ||
| Q3 25 | $122.4M | $62.5M | ||
| Q2 25 | $122.9M | $62.2M | ||
| Q1 25 | $124.2M | $61.7M | ||
| Q4 24 | $123.2M | $62.2M | ||
| Q3 24 | $122.5M | $62.1M | ||
| Q2 24 | $111.6M | $62.0M | ||
| Q1 24 | $86.5M | $61.6M |
| Q4 25 | $148.7M | $74.1M | ||
| Q3 25 | $144.1M | $73.9M | ||
| Q2 25 | $148.5M | $73.2M | ||
| Q1 25 | $145.6M | $72.2M | ||
| Q4 24 | $142.3M | $73.7M | ||
| Q3 24 | $145.9M | $73.3M | ||
| Q2 24 | $127.9M | $72.7M | ||
| Q1 24 | $101.6M | $72.7M |
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 | $-1.2M | $318.0K |
| Free Cash FlowOCF − Capex | $-1.6M | $51.0K |
| FCF MarginFCF / Revenue | -16.6% | 0.4% |
| Capex IntensityCapex / Revenue | 4.7% | 1.9% |
| Cash ConversionOCF / Net Profit | — | 0.46× |
| TTM Free Cash FlowTrailing 4 quarters | $-11.7M | $1.7M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-1.2M | $318.0K | ||
| Q3 25 | $-282.0K | $3.9M | ||
| Q2 25 | $-2.3M | $2.1M | ||
| Q1 25 | $-1.6M | $-4.0M | ||
| Q4 24 | $-5.9M | $2.4M | ||
| Q3 24 | $2.4M | $5.3M | ||
| Q2 24 | $1.2M | $-873.0K | ||
| Q1 24 | $-2.8M | $-1.2M |
| Q4 25 | $-1.6M | $51.0K | ||
| Q3 25 | $-1.7M | $3.8M | ||
| Q2 25 | $-5.1M | $1.9M | ||
| Q1 25 | $-3.3M | $-4.1M | ||
| Q4 24 | $-6.2M | $970.0K | ||
| Q3 24 | $2.2M | $3.2M | ||
| Q2 24 | $1.2M | $-1.0M | ||
| Q1 24 | $-3.1M | $-1.3M |
| Q4 25 | -16.6% | 0.4% | ||
| Q3 25 | -15.3% | 25.9% | ||
| Q2 25 | -36.3% | 11.7% | ||
| Q1 25 | -17.8% | -29.6% | ||
| Q4 24 | -46.0% | 7.0% | ||
| Q3 24 | 16.6% | 22.3% | ||
| Q2 24 | 7.1% | -6.2% | ||
| Q1 24 | -40.8% | -9.3% |
| Q4 25 | 4.7% | 1.9% | ||
| Q3 25 | 12.7% | 0.7% | ||
| Q2 25 | 20.0% | 0.8% | ||
| Q1 25 | 9.0% | 1.0% | ||
| Q4 24 | 2.4% | 10.4% | ||
| Q3 24 | 1.5% | 15.1% | ||
| Q2 24 | 0.3% | 0.8% | ||
| Q1 24 | 3.5% | 0.6% |
| Q4 25 | — | 0.46× | ||
| Q3 25 | — | 4.02× | ||
| Q2 25 | — | 1.68× | ||
| Q1 25 | — | -6.46× | ||
| Q4 24 | — | 2.85× | ||
| Q3 24 | 3.61× | 6.18× | ||
| Q2 24 | 0.05× | -0.53× | ||
| Q1 24 | — | -2.03× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AEHR
| Systems | $5.0M | 50% |
| Contactors | $3.4M | 35% |
| Services | $1.5M | 15% |
APT
| Other | $7.3M | 53% |
| Disposable Protective Apparel | $6.6M | 47% |
