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Side-by-side financial comparison of AXCELIS TECHNOLOGIES INC (ACLS) and AMTECH SYSTEMS INC (ASYS). Click either name above to swap in a different company.

AXCELIS TECHNOLOGIES INC is the larger business by last-quarter revenue ($238.3M vs $19.0M, roughly 12.6× AMTECH SYSTEMS INC). AXCELIS TECHNOLOGIES INC runs the higher net margin — 14.4% vs 0.6%, a 13.8% gap on every dollar of revenue. On growth, AXCELIS TECHNOLOGIES INC posted the faster year-over-year revenue change (-5.6% vs -22.2%). AMTECH SYSTEMS INC produced more free cash flow last quarter ($3.8M vs $-8.9M). Over the past eight quarters, AXCELIS TECHNOLOGIES INC's revenue compounded faster (-2.8% CAGR vs -13.6%).

Axcelis Technologies, Inc. is an American company engaging in the design, manufacture, and servicing of capital equipment for the semiconductor manufacturing industry worldwide. It produces ion implantation systems, including high and medium current implanters, and high energy implanters, and curing systems used in the fabrication of semiconductor chips. The company was incorporated in 1995 and is headquartered in Beverly, Massachusetts, United States.

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.

ACLS vs ASYS — Head-to-Head

Bigger by revenue
ACLS
ACLS
12.6× larger
ACLS
$238.3M
$19.0M
ASYS
Growing faster (revenue YoY)
ACLS
ACLS
+16.6% gap
ACLS
-5.6%
-22.2%
ASYS
Higher net margin
ACLS
ACLS
13.8% more per $
ACLS
14.4%
0.6%
ASYS
More free cash flow
ASYS
ASYS
$12.7M more FCF
ASYS
$3.8M
$-8.9M
ACLS
Faster 2-yr revenue CAGR
ACLS
ACLS
Annualised
ACLS
-2.8%
-13.6%
ASYS

Income Statement — Q4 2025 vs Q1 2026

Metric
ACLS
ACLS
ASYS
ASYS
Revenue
$238.3M
$19.0M
Net Profit
$34.3M
$108.0K
Gross Margin
47.0%
44.8%
Operating Margin
15.2%
4.1%
Net Margin
14.4%
0.6%
Revenue YoY
-5.6%
-22.2%
Net Profit YoY
-31.3%
-65.4%
EPS (diluted)
$1.11
$0.01

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
ACLS
ACLS
ASYS
ASYS
Q4 25
$238.3M
$19.0M
Q3 25
$213.6M
$19.8M
Q2 25
$194.5M
$19.6M
Q1 25
$192.6M
$15.6M
Q4 24
$252.4M
$24.4M
Q3 24
$256.6M
$24.1M
Q2 24
$256.5M
$26.7M
Q1 24
$252.4M
$25.4M
Net Profit
ACLS
ACLS
ASYS
ASYS
Q4 25
$34.3M
$108.0K
Q3 25
$26.0M
$1.1M
Q2 25
$31.4M
$106.0K
Q1 25
$28.6M
$-31.8M
Q4 24
$50.0M
$312.0K
Q3 24
$48.6M
$-536.0K
Q2 24
$50.9M
$438.0K
Q1 24
$51.6M
$970.0K
Gross Margin
ACLS
ACLS
ASYS
ASYS
Q4 25
47.0%
44.8%
Q3 25
41.6%
44.4%
Q2 25
44.9%
46.7%
Q1 25
46.1%
-2.1%
Q4 24
46.0%
38.4%
Q3 24
42.9%
40.7%
Q2 24
43.8%
36.5%
Q1 24
46.0%
33.2%
Operating Margin
ACLS
ACLS
ASYS
ASYS
Q4 25
15.2%
4.1%
Q3 25
11.7%
9.3%
Q2 25
14.9%
4.7%
Q1 25
15.1%
-202.7%
Q4 24
21.6%
1.4%
Q3 24
18.3%
0.1%
Q2 24
20.6%
3.1%
Q1 24
22.4%
5.4%
Net Margin
ACLS
ACLS
ASYS
ASYS
Q4 25
14.4%
0.6%
Q3 25
12.2%
5.4%
Q2 25
16.1%
0.5%
Q1 25
14.8%
-204.2%
Q4 24
19.8%
1.3%
Q3 24
18.9%
-2.2%
Q2 24
19.8%
1.6%
Q1 24
20.4%
3.8%
EPS (diluted)
ACLS
ACLS
ASYS
ASYS
Q4 25
$1.11
$0.01
Q3 25
$0.83
$0.08
Q2 25
$0.98
$0.01
Q1 25
$0.88
$-2.23
Q4 24
$1.54
$0.02
Q3 24
$1.49
$-0.04
Q2 24
$1.55
$0.03
Q1 24
$1.57
$0.07

Balance Sheet & Financial Strength

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

Metric
ACLS
ACLS
ASYS
ASYS
Cash + ST InvestmentsLiquidity on hand
$374.3M
$22.1M
Total DebtLower is stronger
$162.0K
Stockholders' EquityBook value
$1.0B
$54.1M
Total Assets
$1.4B
$94.1M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACLS
ACLS
ASYS
ASYS
Q4 25
$374.3M
$22.1M
Q3 25
$449.6M
$17.9M
Q2 25
$549.8M
$15.6M
Q1 25
$587.1M
$13.4M
Q4 24
$571.3M
$13.2M
Q3 24
$579.4M
$11.1M
Q2 24
$548.3M
$13.2M
Q1 24
$530.2M
$13.0M
Total Debt
ACLS
ACLS
ASYS
ASYS
Q4 25
$162.0K
Q3 25
$168.0K
Q2 25
$127.0K
Q1 25
$135.0K
Q4 24
$161.0K
Q3 24
$189.0K
Q2 24
$177.0K
Q1 24
$65.0K
Stockholders' Equity
ACLS
ACLS
ASYS
ASYS
Q4 25
$1.0B
$54.1M
Q3 25
$1.0B
$53.4M
Q2 25
$1.0B
$51.7M
Q1 25
$1.0B
$51.0M
Q4 24
$1.0B
$82.4M
Q3 24
$975.6M
$82.4M
Q2 24
$934.9M
$81.7M
Q1 24
$901.7M
$80.9M
Total Assets
ACLS
ACLS
ASYS
ASYS
Q4 25
$1.4B
$94.1M
Q3 25
$1.4B
$92.9M
Q2 25
$1.3B
$89.5M
Q1 25
$1.3B
$83.4M
Q4 24
$1.3B
$117.8M
Q3 24
$1.3B
$119.3M
Q2 24
$1.3B
$127.1M
Q1 24
$1.3B
$116.5M
Debt / Equity
ACLS
ACLS
ASYS
ASYS
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
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
ACLS
ACLS
ASYS
ASYS
Operating Cash FlowLast quarter
$-6.6M
$4.1M
Free Cash FlowOCF − Capex
$-8.9M
$3.8M
FCF MarginFCF / Revenue
-3.7%
20.2%
Capex IntensityCapex / Revenue
1.0%
1.5%
Cash ConversionOCF / Net Profit
-0.19×
37.99×
TTM Free Cash FlowTrailing 4 quarters
$107.0M
$8.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACLS
ACLS
ASYS
ASYS
Q4 25
$-6.6M
$4.1M
Q3 25
$45.4M
$2.3M
Q2 25
$39.7M
$2.5M
Q1 25
$39.8M
$210.0K
Q4 24
$12.8M
$2.9M
Q3 24
$45.7M
$879.0K
Q2 24
$40.1M
$3.7M
Q1 24
$42.2M
$336.0K
Free Cash Flow
ACLS
ACLS
ASYS
ASYS
Q4 25
$-8.9M
$3.8M
Q3 25
$43.3M
$2.0M
Q2 25
$37.7M
$2.0M
Q1 25
$34.8M
$201.0K
Q4 24
$8.1M
$2.7M
Q3 24
$41.8M
$447.0K
Q2 24
$38.1M
$322.0K
Q1 24
$40.6M
$-884.0K
FCF Margin
ACLS
ACLS
ASYS
ASYS
Q4 25
-3.7%
20.2%
Q3 25
20.3%
10.2%
Q2 25
19.4%
10.1%
Q1 25
18.1%
1.3%
Q4 24
3.2%
11.2%
Q3 24
16.3%
1.9%
Q2 24
14.8%
1.2%
Q1 24
16.1%
-3.5%
Capex Intensity
ACLS
ACLS
ASYS
ASYS
Q4 25
1.0%
1.5%
Q3 25
0.9%
1.2%
Q2 25
1.0%
2.8%
Q1 25
2.6%
0.1%
Q4 24
1.8%
0.6%
Q3 24
1.5%
1.8%
Q2 24
0.8%
12.5%
Q1 24
0.6%
4.8%
Cash Conversion
ACLS
ACLS
ASYS
ASYS
Q4 25
-0.19×
37.99×
Q3 25
1.75×
2.12×
Q2 25
1.27×
23.89×
Q1 25
1.39×
Q4 24
0.26×
9.19×
Q3 24
0.94×
Q2 24
0.79×
8.35×
Q1 24
0.82×
0.35×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACLS
ACLS

Products$224.6M94%
Services$13.7M6%

ASYS
ASYS

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

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