ACLSAxcelis Technologies, Inc.

$120.30

Is the business good?

How good a business is ACLS?

Axcelis Technologies, Inc. earns 11% on the capital it employs against a 9.0% cost of capital, so the business is worth more the bigger it gets.

11%

Return on invested capital · cost of capital 9.0% · 2.4 points above what the capital costs: growth creates value

Operating margin
12%

Operating margin · Semiconductor Equipment & Materials median 8.4% · 12 months to Q1 2026

Share count, year on year
−4.2%

Share count, year on year · bought back, each share owns more of the company

R&D as % of revenue
13%

R&D as % of revenue

Operating margin by fiscal year
YearOperating margin
FY202012%
FY202119%
FY202223%
FY202324%
FY202421%
FY202514%
Details
Gross margin12 months to Q1 2026
44%
Operating margin12 months to Q1 2026
12%
Free cash flow margin
10%
R&D as % of revenue
13%
Revenue, trailing twelve months
$845M
Free cash flow, trailing twelve months
$88M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
11%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion from the cash flow statement.