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Side-by-side financial comparison of AmpliTech Group, Inc. (AMPG) and DATA I/O CORP (DAIO). Click either name above to swap in a different company.

AmpliTech Group, Inc. is the larger business by last-quarter revenue ($4.5M vs $4.0M, roughly 1.1× DATA I/O CORP). DATA I/O CORP runs the higher net margin — -69.0% vs -71.6%, a 2.6% gap on every dollar of revenue. On growth, AmpliTech Group, Inc. posted the faster year-over-year revenue change (141.6% vs -23.2%). DATA I/O CORP produced more free cash flow last quarter ($-1.9M vs $-3.5M). Over the past eight quarters, AmpliTech Group, Inc.'s revenue compounded faster (39.7% CAGR vs -19.2%).

Ampli Energy is a South African company providing a renewable energy trading platform that uses a wheeling process to deliver green energy to consumers.

Data I/O Corporation is a provider of manual and automated data programming and security provisioning systems for flash memory, microcontrollers, and logic devices. Founded in 1969 and incorporated in 1972, the company developed equipment that allowed electronic designers to program non-volatile semiconductor devices with data stored on punched cards or ASCII-encoded (eight-level) punched paper tape. These products were used for the design and manufacturing of systems used in industries such ...

AMPG vs DAIO — Head-to-Head

Bigger by revenue
AMPG
AMPG
1.1× larger
AMPG
$4.5M
$4.0M
DAIO
Growing faster (revenue YoY)
AMPG
AMPG
+164.8% gap
AMPG
141.6%
-23.2%
DAIO
Higher net margin
DAIO
DAIO
2.6% more per $
DAIO
-69.0%
-71.6%
AMPG
More free cash flow
DAIO
DAIO
$1.7M more FCF
DAIO
$-1.9M
$-3.5M
AMPG
Faster 2-yr revenue CAGR
AMPG
AMPG
Annualised
AMPG
39.7%
-19.2%
DAIO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPG
AMPG
DAIO
DAIO
Revenue
$4.5M
$4.0M
Net Profit
$-3.2M
$-2.8M
Gross Margin
22.8%
43.0%
Operating Margin
-73.3%
-62.8%
Net Margin
-71.6%
-69.0%
Revenue YoY
141.6%
-23.2%
Net Profit YoY
16.1%
-132.7%
EPS (diluted)
$-0.14
$-0.29

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
AMPG
AMPG
DAIO
DAIO
Q4 25
$4.5M
$4.0M
Q3 25
$6.1M
$5.4M
Q2 25
$11.0M
$5.9M
Q1 25
$3.6M
$6.2M
Q4 24
$1.9M
$5.2M
Q3 24
$2.8M
$5.4M
Q2 24
$2.5M
$5.1M
Q1 24
$2.3M
$6.1M
Net Profit
AMPG
AMPG
DAIO
DAIO
Q4 25
$-3.2M
$-2.8M
Q3 25
$-188.4K
$-1.4M
Q2 25
$-1.8M
$-742.0K
Q1 25
$-1.8M
$-382.0K
Q4 24
$-3.8M
$-1.2M
Q3 24
$-1.2M
$-307.0K
Q2 24
$-1.6M
$-797.0K
Q1 24
$-4.7M
$-807.0K
Gross Margin
AMPG
AMPG
DAIO
DAIO
Q4 25
22.8%
43.0%
Q3 25
48.6%
50.7%
Q2 25
7.8%
49.8%
Q1 25
33.0%
51.6%
Q4 24
10.7%
52.2%
Q3 24
47.6%
53.9%
Q2 24
41.8%
54.5%
Q1 24
38.5%
52.8%
Operating Margin
AMPG
AMPG
DAIO
DAIO
Q4 25
-73.3%
-62.8%
Q3 25
-3.6%
-25.8%
Q2 25
-17.5%
-14.2%
Q1 25
-52.5%
-6.1%
Q4 24
-234.5%
-24.8%
Q3 24
-38.4%
-6.0%
Q2 24
-62.0%
-11.2%
Q1 24
-62.3%
-14.1%
Net Margin
AMPG
AMPG
DAIO
DAIO
Q4 25
-71.6%
-69.0%
Q3 25
-3.1%
-25.3%
Q2 25
-16.1%
-12.5%
Q1 25
-51.1%
-6.2%
Q4 24
-206.2%
-22.8%
Q3 24
-42.0%
-5.7%
Q2 24
-62.4%
-15.7%
Q1 24
-203.0%
-13.2%
EPS (diluted)
AMPG
AMPG
DAIO
DAIO
Q4 25
$-0.14
$-0.29
Q3 25
$-0.01
$-0.15
Q2 25
$-0.09
$-0.08
Q1 25
$-0.09
$-0.04
Q4 24
$-0.28
$-0.13
Q3 24
$-0.12
$-0.03
Q2 24
$-0.16
$-0.09
Q1 24
$-0.48
$-0.09

Balance Sheet & Financial Strength

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

Metric
AMPG
AMPG
DAIO
DAIO
Cash + ST InvestmentsLiquidity on hand
$5.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$32.9M
$13.5M
Total Assets
$51.5M
$20.2M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPG
AMPG
DAIO
DAIO
Q4 25
$5.0M
Q3 25
$8.4M
Q2 25
$11.1M
Q1 25
$16.9M
Q4 24
$19.3M
Q3 24
$1.1M
Q2 24
$1.0M
Q1 24
$2.4M
Total Debt
AMPG
AMPG
DAIO
DAIO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$1.1M
Q2 24
$36.4K
Q1 24
$63.2K
Stockholders' Equity
AMPG
AMPG
DAIO
DAIO
Q4 25
$32.9M
$13.5M
Q3 25
$35.8M
$16.0M
Q2 25
$35.8M
$17.2M
Q1 25
$35.8M
$17.5M
Q4 24
$37.5M
$17.6M
Q3 24
$20.4M
$19.2M
Q2 24
$20.7M
$18.9M
Q1 24
$22.2M
$19.6M
Total Assets
AMPG
AMPG
DAIO
DAIO
Q4 25
$51.5M
$20.2M
Q3 25
$47.2M
$22.7M
Q2 25
$48.6M
$24.1M
Q1 25
$42.1M
$24.5M
Q4 24
$43.2M
$25.0M
Q3 24
$27.5M
$24.8M
Q2 24
$25.4M
$24.1M
Q1 24
$26.9M
$26.2M
Debt / Equity
AMPG
AMPG
DAIO
DAIO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.06×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
AMPG
AMPG
DAIO
DAIO
Operating Cash FlowLast quarter
$-3.4M
$-1.7M
Free Cash FlowOCF − Capex
$-3.5M
$-1.9M
FCF MarginFCF / Revenue
-78.4%
-46.6%
Capex IntensityCapex / Revenue
1.9%
5.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-9.7M
$-2.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPG
AMPG
DAIO
DAIO
Q4 25
$-3.4M
$-1.7M
Q3 25
$-999.4K
$-343.0K
Q2 25
$-2.3M
$-342.0K
Q1 25
$-2.0M
$109.0K
Q4 24
$-1.2M
$-1.6M
Q3 24
$-1.7M
$839.0K
Q2 24
$-1.3M
$-243.0K
Q1 24
$-1.1M
$-41.0K
Free Cash Flow
AMPG
AMPG
DAIO
DAIO
Q4 25
$-3.5M
$-1.9M
Q3 25
$-1.4M
$-348.0K
Q2 25
$-2.4M
$-633.0K
Q1 25
$-2.4M
$53.0K
Q4 24
$-1.2M
$-1.7M
Q3 24
$-1.7M
$724.0K
Q2 24
$-1.3M
$-268.0K
Q1 24
$-1.1M
$-180.0K
FCF Margin
AMPG
AMPG
DAIO
DAIO
Q4 25
-78.4%
-46.6%
Q3 25
-23.7%
-6.5%
Q2 25
-21.6%
-10.6%
Q1 25
-65.8%
0.9%
Q4 24
-63.9%
-33.5%
Q3 24
-61.6%
13.4%
Q2 24
-52.7%
-5.3%
Q1 24
-47.0%
-3.0%
Capex Intensity
AMPG
AMPG
DAIO
DAIO
Q4 25
1.9%
5.2%
Q3 25
7.3%
0.1%
Q2 25
1.1%
4.9%
Q1 25
10.0%
0.9%
Q4 24
0.9%
3.6%
Q3 24
0.4%
2.1%
Q2 24
0.5%
0.5%
Q1 24
0.1%
2.3%

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPG
AMPG

Other$2.7M60%
Distribution$1.8M40%

DAIO
DAIO

Other$2.1M53%
Adapter Sales$1.9M47%

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