Axcelis Technologies, Inc.

NasdaqGS:ACLS Stock Report

Market Cap: US$5.1b

Axcelis Technologies Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:ACLS Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
03 Jun 26SellUS$249,703Necip SayinerIndividual1,586US$157.44
02 Jun 26SellUS$179,302Robert MahoneyIndividual1,155US$155.24
27 May 26SellUS$319,980Todd SuttonIndividual2,000US$159.99
22 May 26SellUS$143,998Eileen EvansIndividual926US$155.51
22 May 26SellUS$139,833Thomas DennisIndividual900US$155.37
21 May 26SellUS$177,285Gerald BlumenstockIndividual1,161US$152.70
20 May 26SellUS$174,609Christopher TatnallIndividual1,166US$149.75
19 May 26SellUS$485,771John KurtzweilIndividual3,500US$138.79
19 May 26SellUS$456,697Gregory GravesIndividual3,225US$142.51
19 May 26SellUS$250,854Jeanne QuirkIndividual1,789US$140.22
14 May 26SellUS$421,865Todd SuttonIndividual2,574US$163.89
14 May 26SellUS$164,750Gerald BlumenstockIndividual1,015US$162.32
13 May 26SellUS$328,280Jorge TitingerIndividual2,000US$164.14
13 May 26SellUS$463,731Gregory RedinboIndividual2,883US$160.85
12 May 26SellUS$363,538Robert MahoneyIndividual2,258US$161.00
20 Feb 26SellUS$80,000Jorge TitingerIndividual1,000US$80.00
17 Dec 25SellUS$172,100Jorge TitingerIndividual2,000US$86.05
11 Dec 25SellUS$271,422Gerald BlumenstockIndividual3,034US$89.46

Insider Trading Volume

Insider Buying: ACLS insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of ACLS?
Owner TypeNumber of SharesOwnership Percentage
State or Government6,8670.0196%
Individual Insiders174,3890.498%
Institutions34,849,67199.5%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 89.28% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
16.1%
BlackRock, Inc.
4,936,774US$812.4m2.26%0.01%
11.3%
FMR LLC
3,472,255US$571.4m43.2%0.02%
8.1%
Vanguard Portfolio Management, LLC
2,488,293US$409.5m0%0.02%
5.39%
Reinhart Partners, LLC
1,657,745US$272.8m4.27%6.32%
4.5%
Vanguard Capital Management, LLC
1,382,770US$227.6m0%no data
4.44%
Balyasny Asset Management L.P.
1,364,540US$224.6m460%0.42%
4.16%
Victory Capital Management Inc.
1,279,005US$210.5m-29.2%0.11%
3.87%
State Street Global Advisors, Inc.
1,189,045US$195.7m0.24%0.01%
3.27%
BNPP Asset Management Holding
1,006,028US$165.6m-3.4%0.16%
3.1%
American Century Investment Management Inc
951,914US$156.7m-22.8%0.05%
2.75%
Dimensional Fund Advisors LP
844,097US$138.9m0.36%0.02%
2.72%
Amundi Us, Inc.
835,551US$137.5m0%0.42%
2.64%
Geode Capital Management, LLC
811,264US$133.5m-11.6%0.01%
2.14%
PRIMECAP Management Company
658,652US$108.4m-0.95%0.06%
1.77%
D. E. Shaw & Co., L.P.
544,421US$89.6m15.8%0.06%
1.6%
Manulife Asset Management
491,745US$80.9m3,400%0.05%
1.45%
Charles Schwab Investment Management, Inc.
445,773US$73.4m3.38%0.01%
1.44%
UBS Asset Management AG
441,787US$72.7m61%no data
1.4%
LSV Asset Management
429,500US$70.7m0%0.11%
1.36%
Northern Trust Global Investments
416,703US$68.6m2.85%0.01%
1.23%
Boston Trust Walden National Association
378,525US$62.3m-11.5%0.44%
1.22%
Morgan Stanley
376,257US$61.9m149%no data
1.18%
T. Rowe Price Group, Inc.
362,202US$59.6m-5.44%no data
1.11%
Boston Partners Global Investors, Inc.
340,275US$56.0m-19.5%0.03%
1.09%
Grantham Mayo Van Otterloo & Co. LLC
334,786US$55.1m3.7%0.09%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/10 05:48
End of Day Share Price 2026/06/10 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Axcelis Technologies, Inc. is covered by 8 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Christopher MuseBarclays
Duksan JangBofA Global Research
Craig EllisB. Riley Securities, Inc.