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ACLS Insider Trading

Insider Ownership Percentage: 0.48%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $627,687.90

Axcelis Technologies Insider Trading History Chart

This chart shows the insider buying and selling history at Axcelis Technologies by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Axcelis Technologies Share Price & Price History

Current Price: $85.79
Price Change: ▲ Price Increase of +0.64 (0.75%)
As of 03/18/2026 05:00 PM ET

This chart shows the closing price history over time for ACLS up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Axcelis Technologies Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
2/20/2026Jorge TitingerDirectorSell1,000$80.00$80,000.006,477View SEC Filing Icon  
12/17/2025Jorge TitingerDirectorSell2,000$86.05$172,100.007,477View SEC Filing Icon  
12/11/2025Gerald M BlumenstockEVPSell3,034$89.46$271,421.6418,661View SEC Filing Icon  
5/20/2025John T. KurtzweilDirectorSell1,682$61.93$104,166.2635,050View SEC Filing Icon  
8/6/2024Jorge TitingerDirectorSell6,086$109.98$669,338.285,891View SEC Filing Icon  
5/20/2024John T. KurtzweilDirectorSell1,200$114.42$137,304.0033,146View SEC Filing Icon  
2/23/2024Douglas A LawsonEVPBuy500$111.04$55,520.0019,648View SEC Filing Icon  
11/10/2023Joseph P KeithleyDirectorSell500$130.43$65,215.004,157View SEC Filing Icon  
9/14/2023Greg RedinboEVPSell600$180.18$108,108.0017,203View SEC Filing Icon  
8/7/2023Douglas A LawsonEVPSell375$177.45$66,543.7518,342View SEC Filing Icon  
6/12/2023Jeanne QuirkDirectorSell900$177.41$159,669.007,782View SEC Filing Icon  
6/12/2023Mary G PumaInsiderSell11,800$181.80$2,145,240.00263,058View SEC Filing Icon  
6/9/2023Douglas A LawsonEVPSell400$175.00$70,000.0018,717View SEC Filing Icon  
6/7/2023Lynnette C FallonVPSell1,584$172.73$273,604.3234,469View SEC Filing Icon  
6/7/2023Mary G PumaInsiderSell21,701$173.58$3,766,859.58278,985View SEC Filing Icon  
6/6/2023Joseph P KeithleyDirectorSell1,000$163.50$163,500.005,657View SEC Filing Icon  
5/26/2023Douglas A LawsonEVPSell200$153.00$30,600.0019,117View SEC Filing Icon  
5/25/2023Joseph P KeithleyDirectorSell1,000$152.21$152,210.009,657View SEC Filing Icon  
5/18/2023John T. KurtzweilDirectorSell2,689$138.69$372,937.4132,684View SEC Filing Icon  
5/18/2023Lynnette C FallonVPSell2,410$141.55$341,135.5037,934View SEC Filing Icon  
5/18/2023Mary G PumaInsiderSell8,578$141.52$1,213,958.56320,408View SEC Filing Icon  
5/17/2023Greg RedinboEVPSell1,000$135.00$135,000.0018,537View SEC Filing Icon  
5/16/2023Kevin J. BrewerCFOSell6,505$130.84$851,114.2029,005View SEC Filing Icon  
5/16/2023Lynnette C FallonVPSell4,120$129.84$534,940.8041,844View SEC Filing Icon  
5/16/2023Russell LowCEOSell8,309$130.76$1,086,484.8471,239View SEC Filing Icon  
5/15/2023Joseph P KeithleyDirectorSell3,000$126.07$378,210.0010,375View SEC Filing Icon  
5/11/2023Kevin J. BrewerCFOSell10,546$125.06$1,318,882.7636,277View SEC Filing Icon  
5/11/2023Mary G PumaInsiderSell21,705$125.00$2,713,125.00332,412View SEC Filing Icon  
5/10/2023Douglas A LawsonEVPSell5,734$122.00$699,548.0035,205View SEC Filing Icon  
5/9/2023Tzu Yin ChiuDirectorSell10,000$118.50$1,185,000.0018,873View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Axcelis Technologies (NASDAQ:ACLS)

89.98% of Axcelis Technologies stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ACLS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Axcelis Technologies Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/17/2026Rockefeller Capital Management L.P.1,357$0.11M0.0%+69.2%0.004%Search for SEC Filing on Google Icon
3/9/2026Corient Private Wealth LLC5,792$0.47M0.0%+4.0%0.019%Search for SEC Filing on Google Icon
2/24/2026Pacer Advisors Inc.3,615$0.29M0.0%-19.4%0.012%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.478,897$38.48M0.0%+23.8%1.560%Search for SEC Filing on Google Icon
2/18/2026Ameriflex Group Inc.1,180$95K0.0%N/A0.004%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV3,721$0.30M0.0%+34.3%0.012%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC13,099$1.05M0.0%-4.1%0.043%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury6,867$0.61M0.0%-41.8%0.022%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC2,406$0.19M0.0%+130.2%0.008%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC38,888$3.12M0.0%+706.8%0.127%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd6,771$0.54M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/18/2026Zacks Investment Management88,080$7.08M0.1%+335.8%0.287%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC220,713$17.73M0.1%+131.8%0.719%Search for SEC Filing on Google Icon
2/18/2026Susquehanna Portfolio Strategies LLC68,213$5.48M0.1%-4.0%0.222%Search for SEC Filing on Google Icon
2/18/2026Twinbeech Capital LP18,000$1.45M0.1%N/A0.059%Search for SEC Filing on Google Icon
2/18/2026Old West Investment Management LLC18,064$1.45M0.3%+11.0%0.059%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC130,090$10.45M0.0%-50.3%0.424%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC41,776$3.36M0.0%-82.3%0.136%Search for SEC Filing on Google Icon
2/18/2026Gotham Asset Management LLC12,210$0.98M0.0%+10.8%0.040%Search for SEC Filing on Google Icon
2/18/2026Evolve Private Wealth LLC7,029$0.57M0.0%N/A0.023%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP11,167$0.90M0.0%+212.7%0.036%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.243,503$19.56M0.0%+10,368.7%0.793%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC36,000$2.89M0.1%+16.1%0.117%Search for SEC Filing on Google Icon
2/17/2026Freestone Grove Partners LP6,989$0.56M0.0%N/A0.023%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC7,704$0.62M0.0%-2.0%0.025%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC21,182$1.70M0.0%-43.7%0.069%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC37,581$3.02M0.0%+2.5%0.122%Search for SEC Filing on Google Icon
2/17/2026Abel Hall LLC2,629$0.21M0.0%N/A0.009%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers9,955$0.80M0.0%+63.4%0.032%Search for SEC Filing on Google Icon
2/17/2026Amundi37,274$3M0.0%+9.6%0.121%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD383,056$30.78M0.0%-28.0%1.248%Search for SEC Filing on Google Icon
2/17/2026Soviero Asset Management LP46,000$3.70M1.8%+48.4%0.150%Search for SEC Filing on Google Icon
2/17/2026Osaic Holdings Inc.2,656$0.21M0.0%-12.7%0.009%Search for SEC Filing on Google Icon
2/17/2026Private Advisor Group LLC38,482$3.09M0.0%-16.2%0.125%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.3,277$0.26M0.0%-22.7%0.011%Search for SEC Filing on Google Icon
2/17/2026Clark Capital Management Group Inc.110,294$8.86M0.1%+14.2%0.359%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board50,506$4.06M0.0%+0.6%0.165%Search for SEC Filing on Google Icon
2/17/2026&PARTNERS13,953$1.12M0.0%-4.5%0.045%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada3,849$0.31M0.0%-97.7%0.013%Search for SEC Filing on Google Icon
2/17/2026Graham Capital Management L.P.3,114$0.25M0.0%-25.8%0.010%Search for SEC Filing on Google Icon
2/17/2026Needham Investment Management LLC20,000$1.61M0.1%N/A0.065%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC153,703$12.35M0.0%+17.1%0.501%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC21,177$1.70M0.0%-40.8%0.069%Search for SEC Filing on Google Icon
2/16/2026MML Investors Services LLC8,490$0.68M0.0%+127.9%0.028%Search for SEC Filing on Google Icon
2/16/2026Kennedy Capital Management LLC205,737$16.53M0.3%+12.4%0.670%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC75,982$6.10M0.0%+9.2%0.247%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 14,040$1.13M0.0%-8.2%0.046%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co26,302$2.11M0.0%-20.3%0.086%Search for SEC Filing on Google Icon
2/13/2026Segall Bryant & Hamill LLC102,187$8.21M0.1%+74.3%0.333%Search for SEC Filing on Google Icon
2/13/2026Stifel Financial Corp24,347$1.96M0.0%+12.0%0.079%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC1,163$95K0.0%+21.5%0.004%Search for SEC Filing on Google Icon
2/13/2026Bridgefront Capital LLC17,765$1.43M0.4%+79.5%0.058%Search for SEC Filing on Google Icon
2/13/2026Public Sector Pension Investment Board129,777$10.43M0.0%+5.9%0.423%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP88,396$7.10M0.0%+60.0%0.288%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.431,195$34.64M0.0%+1.0%1.405%Search for SEC Filing on Google Icon
2/13/2026Police & Firemen s Retirement System of New Jersey8,210$0.66M0.0%-8.1%0.027%Search for SEC Filing on Google Icon
2/13/2026State Street Corp1,186,227$95.30M0.0%-3.6%3.864%Search for SEC Filing on Google Icon
2/13/2026Victory Capital Management Inc.1,807,404$145.21M0.1%+85.9%5.887%Search for SEC Filing on Google Icon
2/13/2026Boston Partners422,435$35.07M0.0%-9.9%1.376%Search for SEC Filing on Google Icon
2/13/2026Dynamic Technology Lab Private Ltd19,470$1.56M0.4%N/A0.063%Search for SEC Filing on Google Icon
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC61,097$4.91M0.0%-7.6%0.199%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN79,752$6.41M0.0%+9.2%0.260%Search for SEC Filing on Google Icon
2/12/2026Advisors Asset Management Inc.1,102$89K0.0%-21.5%0.004%Search for SEC Filing on Google Icon
2/12/2026Federation des caisses Desjardins du Quebec5,346$0.43M0.0%-4.7%0.017%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP4,576$0.37M0.0%-35.8%0.015%Search for SEC Filing on Google Icon
2/12/2026Brooklyn Investment Group5,543$0.45M0.0%N/A0.018%Search for SEC Filing on Google Icon
2/12/2026MetLife Investment Management LLC17,047$1.37M0.0%-9.0%0.056%Search for SEC Filing on Google Icon
2/12/2026Commonwealth Equity Services LLC2,898$0.23M0.0%+12.1%0.009%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC66,899$5.38M0.0%N/A0.218%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP841,040$67.57M0.0%+9.3%2.740%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.276,266$22.20M0.0%+26.8%0.900%Search for SEC Filing on Google Icon
2/12/2026Ensign Peak Advisors Inc1,966$0.16M0.0%-68.6%0.006%Search for SEC Filing on Google Icon
2/12/2026Steward Partners Investment Advisory LLC602$48K0.0%-55.1%0.002%Search for SEC Filing on Google Icon
2/12/2026Bank of Montreal Can3,270$0.26M0.0%-22.2%0.011%Search for SEC Filing on Google Icon
2/12/2026Elo Mutual Pension Insurance Co22,446$1.80M0.0%N/A0.073%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank61,200$4.92M0.0%-1.8%0.199%Search for SEC Filing on Google Icon
2/12/2026Principal Securities Inc.3,200$0.26M0.0%+79.7%0.010%Search for SEC Filing on Google Icon
2/12/2026Aviva PLC5,916$0.48M0.0%+7.3%0.019%Search for SEC Filing on Google Icon
2/12/2026Peterson Wealth Services7,403$0.60M0.2%+1,750.8%0.024%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC70,393$5.66M0.0%-3.9%0.229%Search for SEC Filing on Google Icon
2/11/2026Primecap Management Co. CA664,942$53.42M0.0%-20.2%2.166%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC38,888$3.12M0.0%+706.8%0.127%Search for SEC Filing on Google Icon
2/11/2026Illinois Municipal Retirement Fund15,561$1.25M0.0%-3.4%0.051%Search for SEC Filing on Google Icon
2/11/2026Janney Montgomery Scott LLC22,436$1.80M0.0%-36.9%0.073%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG25,920$2.08M0.0%+1.9%0.084%Search for SEC Filing on Google Icon
2/11/2026Cerity Partners LLC5,052$0.41M0.0%-13.4%0.016%Search for SEC Filing on Google Icon
2/11/2026LPL Financial LLC34,574$2.78M0.0%-29.4%0.113%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.33,248$2.67M0.0%-55.5%0.108%Search for SEC Filing on Google Icon
2/11/2026O Shaughnessy Asset Management LLC5,806$0.47M0.0%+91.8%0.019%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC5,480$0.45M0.0%N/A0.018%Search for SEC Filing on Google Icon
2/11/2026Vestcor Inc10,071$0.81M0.0%+135.0%0.033%Search for SEC Filing on Google Icon
2/11/2026WINTON GROUP Ltd14,724$1.18M0.0%+1.8%0.048%Search for SEC Filing on Google Icon
2/11/2026Vise Technologies Inc.2,937$0.24M0.0%+7.5%0.010%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming1,191$96K0.0%-25.7%0.004%Search for SEC Filing on Google Icon
2/10/2026REAP Financial Group LLC308$25K0.0%N/A0.001%Search for SEC Filing on Google Icon
2/10/2026Reinhart Partners LLC.1,589,898$127.73M3.8%-1.3%5.179%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.629,814$50.60M0.0%+27.3%2.052%Search for SEC Filing on Google Icon
2/10/2026Bridges Investment Management Inc.28,400$2.28M0.0%-10.4%0.093%Search for SEC Filing on Google Icon
2/10/2026Commonwealth of Pennsylvania Public School Empls Retrmt SYS6,674$0.54M0.0%-16.6%0.022%Search for SEC Filing on Google Icon
2/10/2026BNP Paribas Financial Markets164,027$13.18M0.0%-42.2%0.534%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Axcelis Technologies logo
Axcelis Technologies, Inc. designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips in the United States, Europe, and Asia Pacific. The company offers high energy, high current, and medium current implanters for various application requirements. It also provides aftermarket lifecycle products and services, including used tools, spare parts, equipment upgrades, maintenance services, and customer training. It sells its equipment and services to semiconductor chip manufacturers through its direct sales force. The company was founded in 1978 and is headquartered in Beverly, Massachusetts.
Read More on Axcelis Technologies

Today's Range

Now: $85.79
Low: $85.01
High: $88.56

50 Day Range

MA: $88.06
Low: $78.79
High: $98.50

52 Week Range

Now: $85.79
Low: $40.40
High: $102.93

Volume

679,335 shs

Average Volume

813,191 shs

Market Capitalization

$2.64 billion

P/E Ratio

22.64

Dividend Yield

N/A

Beta

1.78

Who are the company insiders with the largest holdings of Axcelis Technologies?

Axcelis Technologies' top insider shareholders include:
  1. John T Kurtzweil (Director)
  2. Gerald M Blumenstock (EVP)
  3. Jorge Titinger (Director)
Learn More about top insider investors at Axcelis Technologies.

Who are the major institutional investors of Axcelis Technologies?

Axcelis Technologies' top institutional investors include:
  1. Vanguard Group Inc. — 13.43%
  2. Victory Capital Management Inc. — 5.89%
  3. Reinhart Partners LLC. — 5.18%
  4. State Street Corp — 3.86%
  5. Geode Capital Management LLC — 2.99%
  6. Dimensional Fund Advisors LP — 2.74%
Learn More about top institutional investors of Axcelis Technologies stock.

Which institutional investors are selling Axcelis Technologies stock?

In the previous quarter, ACLS stock was sold by these institutional investors:
  1. Janus Henderson Group PLC
  2. Primecap Management Co. CA
  3. Royal Bank of Canada
  4. Price T Rowe Associates Inc. MD
  5. Millennium Management LLC
  6. BNP Paribas Financial Markets
  7. Vanguard Group Inc.
  8. PEAK6 LLC
Within the last year, company insiders that have sold Axcelis Technologies company stock include:
  1. John T Kurtzweil (Director)
  2. Gerald M Blumenstock (EVP)
  3. Jorge Titinger (Director)
Learn More investors selling Axcelis Technologies stock.

Which institutional investors are buying Axcelis Technologies stock?

During the previous quarter, ACLS stock was purchased by institutional investors including:
  1. Victory Capital Management Inc.
  2. Balyasny Asset Management L.P.
  3. Allspring Global Investments Holdings LLC
  4. Goldman Sachs Group Inc.
  5. Voloridge Investment Management LLC
  6. Northwestern Mutual Wealth Management Co.
  7. LSV Asset Management
  8. Invesco Ltd.