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Side-by-side financial comparison of AMTECH SYSTEMS INC (ASYS) and ORION ENERGY SYSTEMS, INC. (OESX). Click either name above to swap in a different company.

ORION ENERGY SYSTEMS, INC. is the larger business by last-quarter revenue ($21.1M vs $19.0M, roughly 1.1× AMTECH SYSTEMS INC). ORION ENERGY SYSTEMS, INC. runs the higher net margin — 0.8% vs 0.6%, a 0.2% gap on every dollar of revenue. On growth, ORION ENERGY SYSTEMS, INC. posted the faster year-over-year revenue change (7.7% vs -22.2%). AMTECH SYSTEMS INC produced more free cash flow last quarter ($3.8M vs $-1.1M). Over the past eight quarters, ORION ENERGY SYSTEMS, INC.'s revenue compounded faster (-10.6% CAGR vs -13.6%).

Amtech Systems Inc is a global manufacturer of advanced thermal processing and automation equipment primarily serving the semiconductor, solar photovoltaic, and LED production sectors. Its product portfolio includes soldering, diffusion, and deposition systems, with key markets spanning North America, East Asia, and Western Europe, catering to leading electronic component and clean energy manufacturing clients.

Orion Energy Systems, Inc. is an American LED lighting and intelligent controls enterprise, founded in Plymouth, Wisconsin, and headquartered in Manitowoc, Wisconsin

ASYS vs OESX — Head-to-Head

Bigger by revenue
OESX
OESX
1.1× larger
OESX
$21.1M
$19.0M
ASYS
Growing faster (revenue YoY)
OESX
OESX
+29.9% gap
OESX
7.7%
-22.2%
ASYS
Higher net margin
OESX
OESX
0.2% more per $
OESX
0.8%
0.6%
ASYS
More free cash flow
ASYS
ASYS
$5.0M more FCF
ASYS
$3.8M
$-1.1M
OESX
Faster 2-yr revenue CAGR
OESX
OESX
Annualised
OESX
-10.6%
-13.6%
ASYS

Income Statement — Q1 FY2026 vs Q3 FY2026

Metric
ASYS
ASYS
OESX
OESX
Revenue
$19.0M
$21.1M
Net Profit
$108.0K
$160.0K
Gross Margin
44.8%
30.9%
Operating Margin
4.1%
1.8%
Net Margin
0.6%
0.8%
Revenue YoY
-22.2%
7.7%
Net Profit YoY
-65.4%
110.6%
EPS (diluted)
$0.01
$0.04

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
ASYS
ASYS
OESX
OESX
Q4 25
$19.0M
$21.1M
Q3 25
$19.8M
$19.9M
Q2 25
$19.6M
$19.6M
Q1 25
$15.6M
$20.9M
Q4 24
$24.4M
$19.6M
Q3 24
$24.1M
$19.4M
Q2 24
$26.7M
$19.9M
Q1 24
$25.4M
$26.4M
Net Profit
ASYS
ASYS
OESX
OESX
Q4 25
$108.0K
$160.0K
Q3 25
$1.1M
$-581.0K
Q2 25
$106.0K
$-1.2M
Q1 25
$-31.8M
$-2.9M
Q4 24
$312.0K
$-1.5M
Q3 24
$-536.0K
$-3.6M
Q2 24
$438.0K
$-3.8M
Q1 24
$970.0K
$1.6M
Gross Margin
ASYS
ASYS
OESX
OESX
Q4 25
44.8%
30.9%
Q3 25
44.4%
31.0%
Q2 25
46.7%
30.1%
Q1 25
-2.1%
27.4%
Q4 24
38.4%
29.4%
Q3 24
40.7%
23.1%
Q2 24
36.5%
21.6%
Q1 24
33.2%
25.8%
Operating Margin
ASYS
ASYS
OESX
OESX
Q4 25
4.1%
1.8%
Q3 25
9.3%
-1.2%
Q2 25
4.7%
-5.2%
Q1 25
-202.7%
-12.7%
Q4 24
1.4%
-6.4%
Q3 24
0.1%
-16.9%
Q2 24
3.1%
-17.2%
Q1 24
5.4%
6.8%
Net Margin
ASYS
ASYS
OESX
OESX
Q4 25
0.6%
0.8%
Q3 25
5.4%
-2.9%
Q2 25
0.5%
-6.4%
Q1 25
-204.2%
-13.9%
Q4 24
1.3%
-7.7%
Q3 24
-2.2%
-18.7%
Q2 24
1.6%
-18.9%
Q1 24
3.8%
6.1%
EPS (diluted)
ASYS
ASYS
OESX
OESX
Q4 25
$0.01
$0.04
Q3 25
$0.08
$-0.17
Q2 25
$0.01
$-0.04
Q1 25
$-2.23
$1.32
Q4 24
$0.02
$-0.46
Q3 24
$-0.04
$-1.10
Q2 24
$0.03
$-0.12
Q1 24
$0.07
$0.06

Balance Sheet & Financial Strength

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

Metric
ASYS
ASYS
OESX
OESX
Cash + ST InvestmentsLiquidity on hand
$22.1M
$4.7M
Total DebtLower is stronger
$162.0K
$9.8M
Stockholders' EquityBook value
$54.1M
$11.8M
Total Assets
$94.1M
$48.3M
Debt / EquityLower = less leverage
0.00×
0.83×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASYS
ASYS
OESX
OESX
Q4 25
$22.1M
$4.7M
Q3 25
$17.9M
$5.2M
Q2 25
$15.6M
$3.6M
Q1 25
$13.4M
$6.0M
Q4 24
$13.2M
$7.5M
Q3 24
$11.1M
$5.4M
Q2 24
$13.2M
$5.7M
Q1 24
$13.0M
$5.2M
Total Debt
ASYS
ASYS
OESX
OESX
Q4 25
$162.0K
$9.8M
Q3 25
$168.0K
$9.9M
Q2 25
$127.0K
$8.5M
Q1 25
$135.0K
$10.3M
Q4 24
$161.0K
Q3 24
$189.0K
$12.5M
Q2 24
$177.0K
$13.5M
Q1 24
$65.0K
$10.0M
Stockholders' Equity
ASYS
ASYS
OESX
OESX
Q4 25
$54.1M
$11.8M
Q3 25
$53.4M
$11.4M
Q2 25
$51.7M
$10.8M
Q1 25
$51.0M
$11.9M
Q4 24
$82.4M
$14.5M
Q3 24
$82.4M
$15.8M
Q2 24
$81.7M
$19.1M
Q1 24
$80.9M
$22.5M
Total Assets
ASYS
ASYS
OESX
OESX
Q4 25
$94.1M
$48.3M
Q3 25
$92.9M
$47.9M
Q2 25
$89.5M
$49.0M
Q1 25
$83.4M
$52.5M
Q4 24
$117.8M
$52.7M
Q3 24
$119.3M
$56.3M
Q2 24
$127.1M
$59.8M
Q1 24
$116.5M
$63.2M
Debt / Equity
ASYS
ASYS
OESX
OESX
Q4 25
0.00×
0.83×
Q3 25
0.00×
0.87×
Q2 25
0.00×
0.79×
Q1 25
0.00×
0.87×
Q4 24
0.00×
Q3 24
0.00×
0.79×
Q2 24
0.00×
0.71×
Q1 24
0.00×
0.44×

Cash Flow & Capital Efficiency

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

Metric
ASYS
ASYS
OESX
OESX
Operating Cash FlowLast quarter
$4.1M
$-897.0K
Free Cash FlowOCF − Capex
$3.8M
$-1.1M
FCF MarginFCF / Revenue
20.2%
-5.4%
Capex IntensityCapex / Revenue
1.5%
1.2%
Cash ConversionOCF / Net Profit
37.99×
-5.61×
TTM Free Cash FlowTrailing 4 quarters
$8.0M
$-905.0K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASYS
ASYS
OESX
OESX
Q4 25
$4.1M
$-897.0K
Q3 25
$2.3M
$1.8M
Q2 25
$2.5M
$-515.0K
Q1 25
$210.0K
$-699.0K
Q4 24
$2.9M
$3.8M
Q3 24
$879.0K
$498.0K
Q2 24
$3.7M
$-3.0M
Q1 24
$336.0K
$175.0K
Free Cash Flow
ASYS
ASYS
OESX
OESX
Q4 25
$3.8M
$-1.1M
Q3 25
$2.0M
$1.6M
Q2 25
$2.0M
$-570.0K
Q1 25
$201.0K
$-750.0K
Q4 24
$2.7M
$3.7M
Q3 24
$447.0K
$493.0K
Q2 24
$322.0K
$-3.0M
Q1 24
$-884.0K
$144.0K
FCF Margin
ASYS
ASYS
OESX
OESX
Q4 25
20.2%
-5.4%
Q3 25
10.2%
7.9%
Q2 25
10.1%
-2.9%
Q1 25
1.3%
-3.6%
Q4 24
11.2%
19.1%
Q3 24
1.9%
2.5%
Q2 24
1.2%
-15.0%
Q1 24
-3.5%
0.5%
Capex Intensity
ASYS
ASYS
OESX
OESX
Q4 25
1.5%
1.2%
Q3 25
1.2%
1.3%
Q2 25
2.8%
0.3%
Q1 25
0.1%
0.2%
Q4 24
0.6%
0.1%
Q3 24
1.8%
0.0%
Q2 24
12.5%
0.1%
Q1 24
4.8%
0.1%
Cash Conversion
ASYS
ASYS
OESX
OESX
Q4 25
37.99×
-5.61×
Q3 25
2.12×
Q2 25
23.89×
Q1 25
Q4 24
9.19×
Q3 24
Q2 24
8.35×
Q1 24
0.35×
0.11×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASYS
ASYS

Thermal Processing Solutions$14.0M74%
Semiconductor Fabrication Solutions$5.0M26%

OESX
OESX

Lighting Product And Installation$11.9M56%
Electric Vehicle Charging Systems$4.7M22%
Maintenance Services$4.4M21%

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