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Side-by-side financial comparison of AXCELIS TECHNOLOGIES INC (ACLS) and SONO TEK CORP (SOTK). Click either name above to swap in a different company.

AXCELIS TECHNOLOGIES INC is the larger business by last-quarter revenue ($238.3M vs $5.0M, roughly 47.6× SONO TEK CORP). AXCELIS TECHNOLOGIES INC runs the higher net margin — 14.4% vs 6.8%, a 7.6% gap on every dollar of revenue. On growth, SONO TEK CORP posted the faster year-over-year revenue change (-3.6% vs -5.6%). SONO TEK CORP produced more free cash flow last quarter ($1.1M vs $-8.9M). Over the past eight quarters, SONO TEK CORP's revenue compounded faster (2.5% CAGR vs -2.8%).

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.

Sono Tek Corp is a U.S.-headquartered technology firm that designs, produces and sells precision ultrasonic spray coating systems, nozzles and related accessories. Its solutions serve electronics manufacturing, medical device production, energy storage and industrial processing sectors, catering to global commercial clients and research institutions.

ACLS vs SOTK — Head-to-Head

Bigger by revenue
ACLS
ACLS
47.6× larger
ACLS
$238.3M
$5.0M
SOTK
Growing faster (revenue YoY)
SOTK
SOTK
+2.0% gap
SOTK
-3.6%
-5.6%
ACLS
Higher net margin
ACLS
ACLS
7.6% more per $
ACLS
14.4%
6.8%
SOTK
More free cash flow
SOTK
SOTK
$10.0M more FCF
SOTK
$1.1M
$-8.9M
ACLS
Faster 2-yr revenue CAGR
SOTK
SOTK
Annualised
SOTK
2.5%
-2.8%
ACLS

Income Statement — Q4 2025 vs Q3 2026

Metric
ACLS
ACLS
SOTK
SOTK
Revenue
$238.3M
$5.0M
Net Profit
$34.3M
$340.0K
Gross Margin
47.0%
50.2%
Operating Margin
15.2%
6.4%
Net Margin
14.4%
6.8%
Revenue YoY
-5.6%
-3.6%
Net Profit YoY
-31.3%
24.0%
EPS (diluted)
$1.11
$0.02

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
SOTK
SOTK
Q4 25
$238.3M
$5.0M
Q3 25
$213.6M
$5.2M
Q2 25
$194.5M
$5.1M
Q1 25
$192.6M
$5.1M
Q4 24
$252.4M
$5.2M
Q3 24
$256.6M
$5.2M
Q2 24
$256.5M
$5.0M
Q1 24
$252.4M
$4.8M
Net Profit
ACLS
ACLS
SOTK
SOTK
Q4 25
$34.3M
$340.0K
Q3 25
$26.0M
$423.7K
Q2 25
$31.4M
$485.0K
Q1 25
$28.6M
$327.7K
Q4 24
$50.0M
$274.2K
Q3 24
$48.6M
$340.7K
Q2 24
$50.9M
$330.8K
Q1 24
$51.6M
$156.6K
Gross Margin
ACLS
ACLS
SOTK
SOTK
Q4 25
47.0%
50.2%
Q3 25
41.6%
50.2%
Q2 25
44.9%
51.9%
Q1 25
46.1%
47.4%
Q4 24
46.0%
45.1%
Q3 24
42.9%
48.7%
Q2 24
43.8%
48.8%
Q1 24
46.0%
49.1%
Operating Margin
ACLS
ACLS
SOTK
SOTK
Q4 25
15.2%
6.4%
Q3 25
11.7%
8.2%
Q2 25
14.9%
9.4%
Q1 25
15.1%
5.6%
Q4 24
21.6%
3.8%
Q3 24
18.3%
5.5%
Q2 24
20.6%
4.7%
Q1 24
22.4%
-0.3%
Net Margin
ACLS
ACLS
SOTK
SOTK
Q4 25
14.4%
6.8%
Q3 25
12.2%
8.2%
Q2 25
16.1%
9.4%
Q1 25
14.8%
6.4%
Q4 24
19.8%
5.3%
Q3 24
18.9%
6.6%
Q2 24
19.8%
6.6%
Q1 24
20.4%
3.3%
EPS (diluted)
ACLS
ACLS
SOTK
SOTK
Q4 25
$1.11
$0.02
Q3 25
$0.83
$0.03
Q2 25
$0.98
$0.03
Q1 25
$0.88
$0.02
Q4 24
$1.54
$0.02
Q3 24
$1.49
$0.02
Q2 24
$1.55
$0.02
Q1 24
$1.57
$0.02

Balance Sheet & Financial Strength

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

Metric
ACLS
ACLS
SOTK
SOTK
Cash + ST InvestmentsLiquidity on hand
$374.3M
$11.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.0B
$19.1M
Total Assets
$1.4B
$23.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACLS
ACLS
SOTK
SOTK
Q4 25
$374.3M
$11.7M
Q3 25
$449.6M
$10.6M
Q2 25
$549.8M
$10.9M
Q1 25
$587.1M
$11.9M
Q4 24
$571.3M
$12.7M
Q3 24
$579.4M
$11.6M
Q2 24
$548.3M
$12.2M
Q1 24
$530.2M
$11.8M
Stockholders' Equity
ACLS
ACLS
SOTK
SOTK
Q4 25
$1.0B
$19.1M
Q3 25
$1.0B
$18.7M
Q2 25
$1.0B
$18.3M
Q1 25
$1.0B
$17.8M
Q4 24
$1.0B
$17.4M
Q3 24
$975.6M
$17.0M
Q2 24
$934.9M
$16.7M
Q1 24
$901.7M
$16.3M
Total Assets
ACLS
ACLS
SOTK
SOTK
Q4 25
$1.4B
$23.9M
Q3 25
$1.4B
$23.2M
Q2 25
$1.3B
$23.4M
Q1 25
$1.3B
$23.4M
Q4 24
$1.3B
$24.3M
Q3 24
$1.3B
$22.9M
Q2 24
$1.3B
$23.6M
Q1 24
$1.3B
$23.1M

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
SOTK
SOTK
Operating Cash FlowLast quarter
$-6.6M
$1.2M
Free Cash FlowOCF − Capex
$-8.9M
$1.1M
FCF MarginFCF / Revenue
-3.7%
22.8%
Capex IntensityCapex / Revenue
1.0%
1.4%
Cash ConversionOCF / Net Profit
-0.19×
3.56×
TTM Free Cash FlowTrailing 4 quarters
$107.0M
$-811.2K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACLS
ACLS
SOTK
SOTK
Q4 25
$-6.6M
$1.2M
Q3 25
$45.4M
$-176.8K
Q2 25
$39.7M
$-922.3K
Q1 25
$39.8M
$-674.3K
Q4 24
$12.8M
$1.3M
Q3 24
$45.7M
$-418.4K
Q2 24
$40.1M
$328.0K
Q1 24
$42.2M
$-278.5K
Free Cash Flow
ACLS
ACLS
SOTK
SOTK
Q4 25
$-8.9M
$1.1M
Q3 25
$43.3M
$-237.3K
Q2 25
$37.7M
$-974.5K
Q1 25
$34.8M
$-740.0K
Q4 24
$8.1M
$1.1M
Q3 24
$41.8M
$-576.1K
Q2 24
$38.1M
$295.0K
Q1 24
$40.6M
$-746.6K
FCF Margin
ACLS
ACLS
SOTK
SOTK
Q4 25
-3.7%
22.8%
Q3 25
20.3%
-4.6%
Q2 25
19.4%
-19.0%
Q1 25
18.1%
-14.5%
Q4 24
3.2%
20.8%
Q3 24
16.3%
-11.2%
Q2 24
14.8%
5.9%
Q1 24
16.1%
-15.7%
Capex Intensity
ACLS
ACLS
SOTK
SOTK
Q4 25
1.0%
1.4%
Q3 25
0.9%
1.2%
Q2 25
1.0%
1.0%
Q1 25
2.6%
1.3%
Q4 24
1.8%
4.1%
Q3 24
1.5%
3.1%
Q2 24
0.8%
0.7%
Q1 24
0.6%
9.8%
Cash Conversion
ACLS
ACLS
SOTK
SOTK
Q4 25
-0.19×
3.56×
Q3 25
1.75×
-0.42×
Q2 25
1.27×
-1.90×
Q1 25
1.39×
-2.06×
Q4 24
0.26×
4.70×
Q3 24
0.94×
-1.23×
Q2 24
0.79×
0.99×
Q1 24
0.82×
-1.78×

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%

SOTK
SOTK

Segment breakdown not available.

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