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ACLS Insider Trading

Insider Ownership Percentage: 0.48%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $547,687.90

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: $88.07
Price Change: ▼ Price Decrease of -4.13 (-4.48%)
As of 01/30/2026 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
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  
2/1/2023Tzu Yin ChiuDirectorSell1,700$127.12$216,104.0028,873View 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
1/29/2026Comerica Bank8,969$0.72M0.0%-7.7%0.029%Search for SEC Filing on Google Icon
1/29/2026ST Germain D J Co. Inc.2,188$0.18M0.0%N/A0.007%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG213,388$17.14M0.0%+67.6%0.695%Search for SEC Filing on Google Icon
1/29/2026Teachers Retirement System of The State of Kentucky7,973$0.64M0.0%-12.9%0.026%Search for SEC Filing on Google Icon
1/29/2026Vanguard Group Inc.4,122,529$331.20M0.0%-1.5%13.428%Search for SEC Filing on Google Icon
1/28/2026Arizona State Retirement System8,630$0.69M0.0%-9.2%0.028%Search for SEC Filing on Google Icon
1/28/2026Boston Trust Walden Corp427,736$34.36M0.3%-7.1%1.393%Search for SEC Filing on Google Icon
1/28/2026Universal Beteiligungs und Servicegesellschaft mbH11,782$0.96M0.0%-19.6%0.038%Search for SEC Filing on Google Icon
1/27/2026Bayforest Capital Ltd2,193$0.18M0.1%-64.1%0.007%Search for SEC Filing on Google Icon
1/26/2026Merit Financial Group LLC6,867$0.55M0.0%+12.7%0.022%Search for SEC Filing on Google Icon
1/26/2026CWM LLC2,623$0.21M0.0%+5.8%0.009%Search for SEC Filing on Google Icon
1/26/2026Wealth Effects LLC3,647$0.29M0.1%N/A0.012%Search for SEC Filing on Google Icon
1/26/2026MOKAN Wealth Management Inc.3,426$0.28M0.1%+30.2%0.011%Search for SEC Filing on Google Icon
1/23/2026Farther Finance Advisors LLC1,758$0.14M0.0%+42.6%0.006%Search for SEC Filing on Google Icon
1/23/2026Eagle Bay Advisors LLC3,200$0.26M0.2%-72.2%0.010%Search for SEC Filing on Google Icon
1/23/2026State of Alaska Department of Revenue22,568$1.81M0.0%+42.7%0.074%Search for SEC Filing on Google Icon
1/23/2026Burney Co.24,721$1.99M0.1%N/A0.081%Search for SEC Filing on Google Icon
1/21/2026Yousif Capital Management LLC8,416$0.74M0.0%-13.5%0.027%Search for SEC Filing on Google Icon
1/20/2026Harbor Capital Advisors Inc.44,687$3.59M0.3%-0.8%0.146%Search for SEC Filing on Google Icon
1/16/2026Linden Thomas Advisory Services LLC3,876$0.31M0.0%-5.1%0.013%Search for SEC Filing on Google Icon
1/16/2026Empirical Financial Services LLC d.b.a. Empirical Wealth Management5,607$0.45M0.0%N/A0.018%Search for SEC Filing on Google Icon
1/15/2026Allspring Global Investments Holdings LLC266,015$22.91M0.0%+142.7%0.866%Search for SEC Filing on Google Icon
1/14/2026Net Worth Advisory Group4,024$0.32M0.1%+13.4%0.013%Search for SEC Filing on Google Icon
1/12/2026Moody National Bank Trust Division4,834$0.39M0.0%+83.8%0.016%Search for SEC Filing on Google Icon
1/9/2026SG Americas Securities LLC14,166$1.14M0.0%N/A0.046%Search for SEC Filing on Google Icon
1/8/2026Wealth Enhancement Advisory Services LLC3,713$0.30M0.0%-35.0%0.012%Search for SEC Filing on Google Icon
1/8/2026NorthCrest Asset Manangement LLC2,369$0.21M0.0%N/A0.008%Search for SEC Filing on Google Icon
1/8/2026Oliver Luxxe Assets LLC18,063$1.45M0.2%N/A0.059%Search for SEC Filing on Google Icon
1/8/2026Occidental Asset Management LLC2,810$0.23M0.0%N/A0.009%Search for SEC Filing on Google Icon
1/6/2026Penbrook Management LLC15,895$1.28M0.9%-5.9%0.051%Search for SEC Filing on Google Icon
11/25/2025KERR FINANCIAL PLANNING Corp2,425$0.24M0.3%N/A0.008%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.3,437$0.34M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/19/2025Mizuho Markets Cayman LP15,616$1.53M0.1%-63.2%0.050%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC323$32K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/17/2025Morningstar Investment Management LLC10,027$0.98M0.0%N/A0.032%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC1,045$0.10M0.0%+5,705.6%0.003%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co32,985$3.19M0.0%-7.2%0.106%Search for SEC Filing on Google Icon
11/17/2025Virtus Advisers LLC2,221$0.22M0.1%N/A0.007%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC95,227$9.30M0.0%-69.5%0.307%Search for SEC Filing on Google Icon
11/17/2025Wexford Capital LP570$56K0.0%-21.9%0.002%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC35,776$3.49M0.0%-28.8%0.115%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC14,529$1.42M0.0%-8.7%0.047%Search for SEC Filing on Google Icon
11/17/2025Moors & Cabot Inc.8,430$0.82M0.0%+10.5%0.027%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV2,770$0.27M0.0%N/A0.009%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC261,776$25.56M0.0%+143.8%0.844%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,980$1.46M0.0%-15.2%0.048%Search for SEC Filing on Google Icon
11/17/2025Holocene Advisors LP13,887$1.36M0.0%-61.2%0.045%Search for SEC Filing on Google Icon
11/17/2025Gotham Asset Management LLC11,015$1.08M0.0%-19.2%0.036%Search for SEC Filing on Google Icon
11/17/2025Focus Partners Wealth4,206$0.41M0.0%N/A0.014%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP13,818$1.35M0.0%-48.8%0.045%Search for SEC Filing on Google Icon
11/17/2025Clark Capital Management Group Inc.96,588$9.43M0.1%+14.2%0.312%Search for SEC Filing on Google Icon
11/17/2025Bridgefront Capital LLC9,895$0.97M0.3%N/A0.032%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE410,314$40.06M0.0%-41.7%1.324%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC31,110$3.04M0.1%+81.9%0.100%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.69,644$6.80M0.0%-2.7%0.225%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.118,133$11.54M0.0%-3.4%0.381%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC37,637$3.68M0.0%+89.3%0.121%Search for SEC Filing on Google Icon
11/14/2025Creative Planning72,634$7.09M0.0%+8.1%0.234%Search for SEC Filing on Google Icon
11/14/2025Zacks Investment Management20,213$1.97M0.0%N/A0.065%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.14,695$1.44M0.0%-12.2%0.047%Search for SEC Filing on Google Icon
11/14/2025Amundi34,018$3.32M0.0%+535.5%0.110%Search for SEC Filing on Google Icon
11/14/2025Man Group plc5,979$0.58M0.0%N/A0.019%Search for SEC Filing on Google Icon
11/14/2025Horizon Investments LLC7,194$0.70M0.0%N/A0.023%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 11,326$1.11M0.0%+7.4%0.037%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC66,098$6.45M0.0%-40.7%0.213%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP37,165$3.63M0.0%+3.5%0.120%Search for SEC Filing on Google Icon
11/14/2025Soviero Asset Management LP31,000$3.03M1.6%-35.4%0.100%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC31,000$3.03M0.1%N/A0.100%Search for SEC Filing on Google Icon
11/14/2025Vident Advisory LLC13,666$1.33M0.0%-18.4%0.044%Search for SEC Filing on Google Icon
11/14/2025Ossiam40,700$3.97M0.1%N/A0.131%Search for SEC Filing on Google Icon
11/14/2025iSAM Funds UK Ltd973$95K0.0%-91.4%0.003%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank9,721$0.95M0.0%-17.0%0.031%Search for SEC Filing on Google Icon
11/14/2025F m Investments LLC21,068$2.06M0.1%N/A0.068%Search for SEC Filing on Google Icon
11/13/2025Boston Partners468,741$44.90M0.0%-1.1%1.512%Search for SEC Filing on Google Icon
11/13/2025Vise Technologies Inc.2,733$0.27M0.0%-4.8%0.009%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC183,100$17.88M0.4%+37.5%0.591%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership117,797$11.50M0.0%N/A0.380%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.386,735$37.76M0.0%+176.6%1.248%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.14,076$1.37M0.0%+35.2%0.045%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG127,323$12.43M0.0%-35.7%0.411%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets283,926$27.72M0.0%+47.7%0.916%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp4,157$0.41M0.0%-34.5%0.013%Search for SEC Filing on Google Icon
11/13/2025Magnetar Financial LLC4,618$0.45M0.0%-20.0%0.015%Search for SEC Filing on Google Icon
11/13/2025Quadrant Capital Group LLC952$93K0.0%N/A0.003%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc83,016$8.11M0.0%-6.3%0.268%Search for SEC Filing on Google Icon
11/13/2025Vestcor Inc4,286$0.42M0.0%-36.4%0.014%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank62,300$6.08M0.0%+1.3%0.201%Search for SEC Filing on Google Icon
11/13/2025WINTON GROUP Ltd14,468$1.41M0.1%-73.4%0.047%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.4,239$0.41M0.0%-62.7%0.014%Search for SEC Filing on Google Icon
11/13/2025Inceptionr LLC2,267$0.22M0.1%N/A0.007%Search for SEC Filing on Google Icon
11/13/2025Private Advisor Group LLC45,895$4.48M0.0%-5.6%0.148%Search for SEC Filing on Google Icon
11/13/2025Grantham Mayo Van Otterloo & Co. LLC443,863$43.34M0.1%+0.4%1.432%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP55,243$5.39M0.0%-21.1%0.178%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC69,585$6.79M0.0%-11.1%0.224%Search for SEC Filing on Google Icon
11/12/2025Crossmark Global Holdings Inc.2,356$0.23M0.0%N/A0.008%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP769,612$75.14M0.0%+4.6%2.483%Search for SEC Filing on Google Icon
11/12/2025Cresset Asset Management LLC2,592$0.25M0.0%N/A0.008%Search for SEC Filing on Google Icon
11/12/2025First Eagle Investment Management LLC130,358$12.73M0.0%+78.6%0.421%Search for SEC Filing on Google Icon
11/12/2025Teachers Retirement System of The State of Kentucky9,149$0.89M0.0%-14.5%0.030%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.972,162$90.24M0.1%+9.6%3.136%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: $88.07
Low: $87.42
High: $92.50

50 Day Range

MA: $87.51
Low: $78.89
High: $97.04

52 Week Range

Now: $88.07
Low: $40.40
High: $102.93

Volume

552,212 shs

Average Volume

534,093 shs

Market Capitalization

$2.70 billion

P/E Ratio

20.82

Dividend Yield

N/A

Beta

1.73

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

Axcelis Technologies' top insider shareholders include:
  1. John T Kurtzweil (Director)
  2. Douglas A Lawson (EVP)
  3. Gerald M Blumenstock (EVP)
  4. 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. Boston Trust Walden Corp — 1.39%
  3. Allspring Global Investments Holdings LLC — 0.87%
  4. UBS Group AG — 0.70%
  5. Harbor Capital Advisors Inc. — 0.15%
  6. Burney Co. — 0.08%
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. Vanguard Group Inc.
  2. Boston Trust Walden Corp
  3. Eagle Bay Advisors LLC
  4. Bayforest Capital Ltd
  5. Universal Beteiligungs und Servicegesellschaft mbH
  6. Wealth Enhancement Advisory Services LLC
  7. Yousif Capital Management LLC
  8. Teachers Retirement System of The State of Kentucky
Within the last year, company insiders that have sold Axcelis Technologies company stock include:
  1. John T Kurtzweil (Director)
  2. Douglas A Lawson (EVP)
  3. Gerald M Blumenstock (EVP)
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. Allspring Global Investments Holdings LLC
  2. UBS Group AG
  3. Burney Co.
  4. Oliver Luxxe Assets LLC
  5. SG Americas Securities LLC
  6. State of Alaska Department of Revenue
  7. Empirical Financial Services LLC d.b.a. Empirical Wealth Management
  8. Wealth Effects LLC