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Side-by-side financial comparison of AXCELIS TECHNOLOGIES INC (ACLS) and InterDigital, Inc. (IDCC). Click either name above to swap in a different company.

AXCELIS TECHNOLOGIES INC is the larger business by last-quarter revenue ($238.3M vs $205.4M, roughly 1.2× InterDigital, Inc.). InterDigital, Inc. runs the higher net margin — 36.7% vs 14.4%, a 22.3% gap on every dollar of revenue. On growth, InterDigital, Inc. posted the faster year-over-year revenue change (-2.4% vs -5.6%). Over the past eight quarters, AXCELIS TECHNOLOGIES INC's revenue compounded faster (-2.8% CAGR vs -4.1%).

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.

InterDigital, Inc. is an American technology research and development company that provides wireless and video technologies for mobile devices, networks, and services worldwide. Founded in 1972, InterDigital is listed on the Nasdaq and is included in the S&P 600 index.

ACLS vs IDCC — Head-to-Head

Bigger by revenue
ACLS
ACLS
1.2× larger
ACLS
$238.3M
$205.4M
IDCC
Growing faster (revenue YoY)
IDCC
IDCC
+3.2% gap
IDCC
-2.4%
-5.6%
ACLS
Higher net margin
IDCC
IDCC
22.3% more per $
IDCC
36.7%
14.4%
ACLS
Faster 2-yr revenue CAGR
ACLS
ACLS
Annualised
ACLS
-2.8%
-4.1%
IDCC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
ACLS
ACLS
IDCC
IDCC
Revenue
$238.3M
$205.4M
Net Profit
$34.3M
$75.3M
Gross Margin
47.0%
Operating Margin
15.2%
40.0%
Net Margin
14.4%
36.7%
Revenue YoY
-5.6%
-2.4%
Net Profit YoY
-31.3%
-34.8%
EPS (diluted)
$1.11
$2.14

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
IDCC
IDCC
Q1 26
$205.4M
Q4 25
$238.3M
$158.2M
Q3 25
$213.6M
$164.7M
Q2 25
$194.5M
$300.6M
Q1 25
$192.6M
$210.5M
Q4 24
$252.4M
$252.8M
Q3 24
$256.6M
$128.7M
Q2 24
$256.5M
$223.5M
Net Profit
ACLS
ACLS
IDCC
IDCC
Q1 26
$75.3M
Q4 25
$34.3M
$43.0M
Q3 25
$26.0M
$67.5M
Q2 25
$31.4M
$180.6M
Q1 25
$28.6M
$115.6M
Q4 24
$50.0M
$133.1M
Q3 24
$48.6M
$34.2M
Q2 24
$50.9M
$109.7M
Gross Margin
ACLS
ACLS
IDCC
IDCC
Q1 26
Q4 25
47.0%
Q3 25
41.6%
Q2 25
44.9%
Q1 25
46.1%
Q4 24
46.0%
Q3 24
42.9%
Q2 24
43.8%
Operating Margin
ACLS
ACLS
IDCC
IDCC
Q1 26
40.0%
Q4 25
15.2%
30.2%
Q3 25
11.7%
46.0%
Q2 25
14.9%
68.3%
Q1 25
15.1%
62.6%
Q4 24
21.6%
64.3%
Q3 24
18.3%
30.6%
Q2 24
20.6%
59.9%
Net Margin
ACLS
ACLS
IDCC
IDCC
Q1 26
36.7%
Q4 25
14.4%
27.2%
Q3 25
12.2%
41.0%
Q2 25
16.1%
60.1%
Q1 25
14.8%
54.9%
Q4 24
19.8%
52.7%
Q3 24
18.9%
26.6%
Q2 24
19.8%
49.1%
EPS (diluted)
ACLS
ACLS
IDCC
IDCC
Q1 26
$2.14
Q4 25
$1.11
$1.07
Q3 25
$0.83
$1.93
Q2 25
$0.98
$5.35
Q1 25
$0.88
$3.45
Q4 24
$1.54
$4.12
Q3 24
$1.49
$1.14
Q2 24
$1.55
$3.93

Balance Sheet & Financial Strength

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

Metric
ACLS
ACLS
IDCC
IDCC
Cash + ST InvestmentsLiquidity on hand
$374.3M
Total DebtLower is stronger
$377.8M
Stockholders' EquityBook value
$1.0B
$1.1B
Total Assets
$1.4B
$2.1B
Debt / EquityLower = less leverage
0.34×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACLS
ACLS
IDCC
IDCC
Q1 26
Q4 25
$374.3M
$1.2B
Q3 25
$449.6M
$1.3B
Q2 25
$549.8M
$937.0M
Q1 25
$587.1M
$883.3M
Q4 24
$571.3M
$958.2M
Q3 24
$579.4M
$813.2M
Q2 24
$548.3M
$760.3M
Total Debt
ACLS
ACLS
IDCC
IDCC
Q1 26
$377.8M
Q4 25
$16.3M
Q3 25
$17.1M
Q2 25
$16.6M
Q1 25
$16.0M
Q4 24
$15.4M
Q3 24
$18.3M
Q2 24
$17.7M
Stockholders' Equity
ACLS
ACLS
IDCC
IDCC
Q1 26
$1.1B
Q4 25
$1.0B
$1.1B
Q3 25
$1.0B
$1.1B
Q2 25
$1.0B
$1.1B
Q1 25
$1.0B
$936.9M
Q4 24
$1.0B
$857.2M
Q3 24
$975.6M
$722.5M
Q2 24
$934.9M
$696.8M
Total Assets
ACLS
ACLS
IDCC
IDCC
Q1 26
$2.1B
Q4 25
$1.4B
$2.1B
Q3 25
$1.4B
$2.1B
Q2 25
$1.3B
$2.0B
Q1 25
$1.3B
$1.9B
Q4 24
$1.3B
$1.8B
Q3 24
$1.3B
$1.7B
Q2 24
$1.3B
$1.6B
Debt / Equity
ACLS
ACLS
IDCC
IDCC
Q1 26
0.34×
Q4 25
0.01×
Q3 25
0.02×
Q2 25
0.02×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.03×
Q2 24
0.03×

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
IDCC
IDCC
Operating Cash FlowLast quarter
$-6.6M
Free Cash FlowOCF − Capex
$-8.9M
FCF MarginFCF / Revenue
-3.7%
Capex IntensityCapex / Revenue
1.0%
Cash ConversionOCF / Net Profit
-0.19×
TTM Free Cash FlowTrailing 4 quarters
$107.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACLS
ACLS
IDCC
IDCC
Q1 26
Q4 25
$-6.6M
$544.5M
Q3 25
$45.4M
$395.9M
Q2 25
$39.7M
$105.1M
Q1 25
$39.8M
$-20.0M
Q4 24
$12.8M
$271.5M
Q3 24
$45.7M
$77.6M
Q2 24
$40.1M
$-48.9M
Free Cash Flow
ACLS
ACLS
IDCC
IDCC
Q1 26
Q4 25
$-8.9M
$528.6M
Q3 25
$43.3M
$395.3M
Q2 25
$37.7M
$104.5M
Q1 25
$34.8M
$-34.5M
Q4 24
$8.1M
$265.7M
Q3 24
$41.8M
$76.7M
Q2 24
$38.1M
$-49.5M
FCF Margin
ACLS
ACLS
IDCC
IDCC
Q1 26
Q4 25
-3.7%
334.0%
Q3 25
20.3%
240.1%
Q2 25
19.4%
34.8%
Q1 25
18.1%
-16.4%
Q4 24
3.2%
105.1%
Q3 24
16.3%
59.6%
Q2 24
14.8%
-22.1%
Capex Intensity
ACLS
ACLS
IDCC
IDCC
Q1 26
Q4 25
1.0%
10.0%
Q3 25
0.9%
0.4%
Q2 25
1.0%
0.2%
Q1 25
2.6%
6.9%
Q4 24
1.8%
2.3%
Q3 24
1.5%
0.7%
Q2 24
0.8%
0.3%
Cash Conversion
ACLS
ACLS
IDCC
IDCC
Q1 26
Q4 25
-0.19×
12.67×
Q3 25
1.75×
5.87×
Q2 25
1.27×
0.58×
Q1 25
1.39×
-0.17×
Q4 24
0.26×
2.04×
Q3 24
0.94×
2.27×
Q2 24
0.79×
-0.45×

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%

IDCC
IDCC

Segment breakdown not available.

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