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

Spire Global, Inc. is the larger business by last-quarter revenue ($15.8M vs $9.9M, roughly 1.6× AEHR TEST SYSTEMS). AEHR TEST SYSTEMS runs the higher net margin — -32.7% vs -176.6%, a 144.0% gap on every dollar of revenue. On growth, AEHR TEST SYSTEMS posted the faster year-over-year revenue change (-26.5% vs -26.9%). AEHR TEST SYSTEMS produced more free cash flow last quarter ($-1.6M vs $-16.2M). Over the past eight quarters, AEHR TEST SYSTEMS's revenue compounded faster (14.3% CAGR vs -32.6%).

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.

Spire Global, Inc. is a space-to-cloud data and analytics company that specializes in the tracking of global data sets powered by a large constellation of nanosatellites, such as the tracking of maritime, aviation and weather patterns.

AEHR vs SPIR — Head-to-Head

Bigger by revenue
SPIR
SPIR
1.6× larger
SPIR
$15.8M
$9.9M
AEHR
Growing faster (revenue YoY)
AEHR
AEHR
+0.4% gap
AEHR
-26.5%
-26.9%
SPIR
Higher net margin
AEHR
AEHR
144.0% more per $
AEHR
-32.7%
-176.6%
SPIR
More free cash flow
AEHR
AEHR
$14.5M more FCF
AEHR
$-1.6M
$-16.2M
SPIR
Faster 2-yr revenue CAGR
AEHR
AEHR
Annualised
AEHR
14.3%
-32.6%
SPIR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AEHR
AEHR
SPIR
SPIR
Revenue
$9.9M
$15.8M
Net Profit
$-3.2M
$-28.0M
Gross Margin
25.7%
40.2%
Operating Margin
-47.0%
-164.1%
Net Margin
-32.7%
-176.6%
Revenue YoY
-26.5%
-26.9%
Net Profit YoY
-214.2%
42.7%
EPS (diluted)
$-0.11
$-0.85

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
SPIR
SPIR
Q4 25
$9.9M
$15.8M
Q3 25
$11.0M
$12.7M
Q2 25
$14.1M
$19.2M
Q1 25
$18.3M
$23.9M
Q4 24
$13.5M
$21.7M
Q3 24
$13.1M
$28.6M
Q2 24
$16.6M
$25.4M
Q1 24
$7.6M
$34.8M
Net Profit
AEHR
AEHR
SPIR
SPIR
Q4 25
$-3.2M
$-28.0M
Q3 25
$-2.1M
$-19.7M
Q2 25
$-2.9M
$119.6M
Q1 25
$-643.0K
$-20.7M
Q4 24
$-1.0M
$-48.8M
Q3 24
$660.0K
$-12.5M
Q2 24
$23.9M
$-16.6M
Q1 24
$-1.5M
$-25.5M
Gross Margin
AEHR
AEHR
SPIR
SPIR
Q4 25
25.7%
40.2%
Q3 25
33.9%
36.6%
Q2 25
30.3%
48.9%
Q1 25
39.2%
36.8%
Q4 24
40.1%
32.4%
Q3 24
54.0%
44.5%
Q2 24
50.9%
43.0%
Q1 24
41.7%
26.5%
Operating Margin
AEHR
AEHR
SPIR
SPIR
Q4 25
-47.0%
-164.1%
Q3 25
-37.1%
-166.1%
Q2 25
-22.7%
-122.7%
Q1 25
-6.1%
-106.5%
Q4 24
-11.2%
-144.1%
Q3 24
1.2%
-48.0%
Q2 24
15.3%
-48.6%
Q1 24
-27.1%
-34.4%
Net Margin
AEHR
AEHR
SPIR
SPIR
Q4 25
-32.7%
-176.6%
Q3 25
-19.0%
-155.3%
Q2 25
-20.6%
623.4%
Q1 25
-3.5%
-86.5%
Q4 24
-7.6%
-225.2%
Q3 24
5.0%
-43.7%
Q2 24
143.8%
-65.2%
Q1 24
-19.4%
-73.3%
EPS (diluted)
AEHR
AEHR
SPIR
SPIR
Q4 25
$-0.11
$-0.85
Q3 25
$-0.07
$-0.61
Q2 25
$-0.10
$3.72
Q1 25
$-0.02
$-0.77
Q4 24
$-0.03
$-1.93
Q3 24
$0.02
$-0.50
Q2 24
$0.81
$-0.68
Q1 24
$-0.05
$-1.17

Balance Sheet & Financial Strength

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

Metric
AEHR
AEHR
SPIR
SPIR
Cash + ST InvestmentsLiquidity on hand
$30.8M
$81.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$130.8M
$112.9M
Total Assets
$148.7M
$211.0M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEHR
AEHR
SPIR
SPIR
Q4 25
$30.8M
$81.8M
Q3 25
$22.7M
$96.8M
Q2 25
$24.5M
$117.6M
Q1 25
$29.4M
$35.9M
Q4 24
$32.2M
$19.2M
Q3 24
$37.8M
$36.6M
Q2 24
$49.2M
$45.8M
Q1 24
$47.6M
$63.7M
Total Debt
AEHR
AEHR
SPIR
SPIR
Q4 25
Q3 25
Q2 25
Q1 25
$103.7M
Q4 24
$103.1M
Q3 24
$4.9M
Q2 24
$4.9M
Q1 24
$123.1M
Stockholders' Equity
AEHR
AEHR
SPIR
SPIR
Q4 25
$130.8M
$112.9M
Q3 25
$122.4M
$133.1M
Q2 25
$122.9M
$149.2M
Q1 25
$124.2M
$3.7M
Q4 24
$123.2M
$-11.7M
Q3 24
$122.5M
$30.8M
Q2 24
$111.6M
$40.3M
Q1 24
$86.5M
$52.5M
Total Assets
AEHR
AEHR
SPIR
SPIR
Q4 25
$148.7M
$211.0M
Q3 25
$144.1M
$224.3M
Q2 25
$148.5M
$239.5M
Q1 25
$145.6M
$208.8M
Q4 24
$142.3M
$193.6M
Q3 24
$145.9M
$224.2M
Q2 24
$127.9M
$230.8M
Q1 24
$101.6M
$252.3M
Debt / Equity
AEHR
AEHR
SPIR
SPIR
Q4 25
Q3 25
Q2 25
Q1 25
27.92×
Q4 24
Q3 24
0.16×
Q2 24
0.12×
Q1 24
2.35×

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
SPIR
SPIR
Operating Cash FlowLast quarter
$-1.2M
$-4.3M
Free Cash FlowOCF − Capex
$-1.6M
$-16.2M
FCF MarginFCF / Revenue
-16.6%
-102.1%
Capex IntensityCapex / Revenue
4.7%
75.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-11.7M
$-92.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEHR
AEHR
SPIR
SPIR
Q4 25
$-1.2M
$-4.3M
Q3 25
$-282.0K
$-12.0M
Q2 25
$-2.3M
$-35.1M
Q1 25
$-1.6M
$-8.4M
Q4 24
$-5.9M
$-19.2M
Q3 24
$2.4M
$14.0M
Q2 24
$1.2M
$-4.4M
Q1 24
$-2.8M
$-8.8M
Free Cash Flow
AEHR
AEHR
SPIR
SPIR
Q4 25
$-1.6M
$-16.2M
Q3 25
$-1.7M
$-20.4M
Q2 25
$-5.1M
$-38.7M
Q1 25
$-3.3M
$-17.3M
Q4 24
$-6.2M
$-24.3M
Q3 24
$2.2M
$5.1M
Q2 24
$1.2M
$-9.9M
Q1 24
$-3.1M
$-15.9M
FCF Margin
AEHR
AEHR
SPIR
SPIR
Q4 25
-16.6%
-102.1%
Q3 25
-15.3%
-161.3%
Q2 25
-36.3%
-201.7%
Q1 25
-17.8%
-72.6%
Q4 24
-46.0%
-112.2%
Q3 24
16.6%
17.8%
Q2 24
7.1%
-39.0%
Q1 24
-40.8%
-45.7%
Capex Intensity
AEHR
AEHR
SPIR
SPIR
Q4 25
4.7%
75.1%
Q3 25
12.7%
66.2%
Q2 25
20.0%
18.8%
Q1 25
9.0%
37.3%
Q4 24
2.4%
23.5%
Q3 24
1.5%
31.2%
Q2 24
0.3%
21.8%
Q1 24
3.5%
20.3%
Cash Conversion
AEHR
AEHR
SPIR
SPIR
Q4 25
Q3 25
Q2 25
-0.29×
Q1 25
Q4 24
Q3 24
3.61×
Q2 24
0.05×
Q1 24

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%

SPIR
SPIR

Segment breakdown not available.

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