Axcelis Technologies Inc (ACLS) stock
Close on Nov 11, 2026Market cap $3.43BP/E 33.1Yield –
Axcelis Technologies Inc grew revenue 4.3% to $890.24M over the twelve months to Sep 30, 2026. Operating income fell 33.4% to $91.75M, moving the operating margin from 16.1% to 10.3%. Free cash flow was $59.93M, down 51.7% from a year earlier. At the latest close the market valued the company at $3.43B, 33.1 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $3.43B
- P/E ratio
- 33.1
- Price to sales
- 3.86
- Price to book
- 3.08
- Dividend yield
- –
- Free cash flow yield
- 1.75%
Fundamentals
- Revenue
- $890.24M
- Net income
- $104.56M
- EPS, diluted
- $3.36
- Free cash flow
- $59.93M
- Book value per share
- $35.79
- Diluted shares
- 31M
Trading
- Next earnings
- Feb 16, 2027 (estimated, during market hours)
- Previous close
- $106.79
- Open
- $111.04
- Day's range
- $109.45 – $116.81
- Volume
- 369,803
- Average volume (20 days)
- 436,099
- Index membership
- S&P SmallCap 600, Russell 2000, Russell 3000
- Beta (5 years)
- 1.74
- 52-week range
- $73.60 – $193.78
- RSI (14 days)
- 51.2
- Volatility (1 year)
- 71.2%
- Relative volume
- 0.96×
- WACC
- 13.6%
Index membership is inferred from the holdings of funds that track each index (SPSM, IJR, IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2010, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | ACLS | S&P 500 | Difference | ACLS per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -17.5% | -2.4% | −15.1 pts | ||
| 3 months | -17.9% | -1.2% | −16.7 pts | ||
| Year to date | +38.4% | +12.3% | +26.1 pts | ||
| 1 year | +29.9% | +12.4% | +17.5 pts | ||
| 3 years | -15.3% | +78.8% | −94.1 pts | -5.4% | +21.4% |
| 5 years | +81.9% | +75.2% | +6.7 pts | +12.7% | +11.9% |
| 10 years | +723.5% | +311.1% | +412.4 pts | +23.5% | +15.2% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Axcelis Technologies filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Update
- Update
- Results
- Results
- Update
About Axcelis Technologies
Special Industry Machinery, NEC
Axcelis Technologies designs, manufactures, and services ion implantation equipment and other processing machinery utilized in semiconductor chip fabrication. Its primary product lines include high-energy, high-current, and medium-current ion implanters, featuring the Purion platform and Ovation batch systems, alongside specialized tools for power device applications. The company also provides aftermarket lifecycle solutions, including spare parts, equipment maintenance, upgrades, pre-owned machinery, and technical training. Axcelis supplies its equipment and services to semiconductor manufacturers worldwide, including integrated device manufacturers, pure-play foundries, and chip designers.
Company profile, executives and historyAxcelis Technologies stock: common questions
What is Axcelis Technologies's stock price?
ACLS closed at $111.17 on Nov 11, 2026, up 4.10% on the day. Over the past 52 weeks it traded between $73.60 and $193.78.
What is Axcelis Technologies's market cap?
Axcelis Technologies was worth $3.43B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
What is ACLS's P/E ratio?
ACLS trades at 33.1 times earnings, based on diluted earnings per share of $3.36 over the twelve months to Sep 30, 2026.
How much revenue does Axcelis Technologies make?
Axcelis Technologies reported revenue of $890.24M for the twelve months to Sep 30, 2026, up 4.3% from a year earlier.
Does Axcelis Technologies pay a dividend?
No. Axcelis Technologies has not paid a cash dividend over the last twelve months.
When does Axcelis Technologies report earnings next?
Axcelis Technologies is expected to report Q4 FY2026 results on Feb 16, 2027, during market hours. The date is estimated from its past reporting pattern until the company confirms it.
How has ACLS stock performed over the past year?
Including dividends, ACLS returned +29.9% over the past year, against +12.4% for the S&P 500.
How many ACLS shares are sold short?
1M shares were sold short at the latest FINRA report, 4.43% of the float, or 4.1 days of average trading volume.
Who are Axcelis Technologies's competitors?
Companies most similar to Axcelis Technologies by business, industry and size include ACMR, VECO, AZTA, CRCT, ASYS.
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