Axcelis Technologies Inc. (ACLS) intrinsic value & 10-year financials

Axcelis Technologies Inc. (ACLS) has a Graham intrinsic value of $126.22 per share. At $108.35 on Oct 17, 2026, the stock trades 14% below that value. Over the last 10 fiscal years revenue grew 13.6% a year to $839.0M, with an average return on invested capital of 21.4%.

Graham intrinsic value
$126.22
Share price (Oct 17, 2026)
$108.35
Price vs Graham value
14% below
Market cap
$3.4B
Revenue (FY2025)
$839.0M
Revenue growth (10-yr CAGR)
13.6%
ROIC (10-yr avg)
21.4%
Free cash flow (FY2025)
$107.0M

ACLS 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $839.0M $120.2M $3.80 $107.0M 14.2% 10.9%
FY2024 $1.0B $201.0M $6.15 $128.6M 20.7% 21.3%
FY2023 $1.1B $246.3M $7.43 $136.2M 23.5% 36.1%
FY2022 $920.0M $183.1M $5.46 $204.9M 23.1% 45.8%
FY2021 $662.4M $98.7M $2.88 $141.5M 19.2% 33.5%
FY2020 $474.6M $50.0M $1.46 $62.3M 12.2% 15.8%
FY2019 $343.0M $17.0M $0.50 -$25.6M 7.1% 6.5%
FY2018 $442.6M $45.9M $1.35 $42.2M 13.5% 18.1%
FY2017 $410.6M $127.0M $3.80 $49.0M 11.7% 17.2%
FY2016 $267.0M $11.0M $0.36 -$11.3M 6.2% 8.2%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

AXCELIS TECHNOLOGIES INC is a consistent compounder, expanding top-line revenue at 13.6% annually over the past decade.

AXCELIS TECHNOLOGIES INC has earned high returns on invested capital, averaging 23.5% ROIC over the available history. High ROIC is consistent with a durable franchise, but it is not by itself proof of an economic moat.

AXCELIS TECHNOLOGIES INC has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, AXCELIS TECHNOLOGIES INC is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $126.22 per share.

ACLS stock: frequently asked questions

What is the intrinsic value of Axcelis Technologies Inc. (ACLS) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, ACLS's intrinsic value is about $126.22 per share.

Is ACLS stock undervalued?

At $108.35 (close on Oct 17, 2026), ACLS trades 14% below its Graham value of $126.22. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Axcelis Technologies Inc. grown?

Revenue went from $267.0M in fiscal 2016 to $839.0M in fiscal 2025, a compound annual growth rate of 13.6%. Net income was $120.2M in fiscal 2025.

Does Axcelis Technologies Inc. generate free cash flow?

Axcelis Technologies Inc. generated $107.0M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 8 of the last 10 reported years.

What is ACLS's return on invested capital?

Average ROIC over the last 10 fiscal years was 21.4%, and average return on equity was 19.3%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this ACLS data come from?

From Axcelis Technologies Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Aug 6, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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