Axcelis Technologies (ACLS) Institutional Ownership $62.46 +0.45 (+0.73%) Closing price 05/20/2025 04:00 PM EasternExtended Trading$61.99 -0.47 (-0.75%) As of 07:00 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Axcelis Technologies (NASDAQ:ACLS)CurrentInstitutional OwnershipPercentage89.98%Number ofInstitutional Buyers(last 12 months)234TotalInstitutional Inflows(last 12 months)$704.00MNumber ofInstitutional Sellers(last 12 months)134TotalInstitutional Outflows(last 12 months)$423.81M Get ACLS Insider Trade Alerts Want to know when executives and insiders are buying or selling Axcelis Technologies stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data ACLS Institutional Buying and Selling by Quarter Axcelis Technologies Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/20/2025 Focus Partners Wealth36,430$1.81M0.0%+153.7%0.113% 5/19/2025 Bayforest Capital Ltd764$38K0.0%N/A0.002% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC78,756$3.91M0.0%+1.1%0.245% 5/19/2025 Optimize Financial Inc32,251$1.60M0.6%N/A0.100% 5/16/2025 Caxton Associates LLP60,941$3.03M0.1%N/A0.190% 5/16/2025 Goldman Sachs Group Inc.635,393$31.56M0.0%+7.5%1.978% 5/16/2025 Dynamic Technology Lab Private Ltd11,890$590K0.1%+55.9%0.037% 5/16/2025 Millennium Management LLC183,995$9.14M0.0%-36.6%0.573% 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.19,396$963K0.0%+4.6%0.060% 5/16/2025 Hancock Whitney Corp4,826$240K0.0%-4.3%0.015% Get the Latest News and Ratings for ACLS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Axcelis Technologies and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 AQR Capital Management LLC35,717$1.77M0.0%+4.9%0.111% 5/16/2025 Advisors Asset Management Inc.1,969$98K0.0%+16.3%0.006% 5/16/2025 Amundi551,047$27.37M0.0%+12.6%1.715% 5/15/2025 Royal Bank of Canada117,566$5.84M0.0%+3.8%0.366% 5/15/2025 Paradigm Capital Management Inc. NY182,100$9.05M0.5%+18.3%0.567% 5/15/2025 Second Line Capital LLC17,343$861K0.2%N/A0.054% 5/15/2025 Vident Advisory LLC18,957$942K0.0%-46.5%0.059% 5/15/2025 Magnetar Financial LLC12,505$621K0.0%N/A0.039% 5/15/2025 State of Wyoming822$41K0.0%-85.3%0.003% 5/14/2025 Gabelli Funds LLC6,422$319K0.0%N/A0.020% 5/14/2025 Corebridge Financial Inc.17,010$845K0.0%-1.9%0.053% 5/14/2025 Comerica Bank11,135$553K0.0%-3.5%0.035% 5/14/2025 MetLife Investment Management LLC19,155$951K0.0%-3.7%0.060% 5/14/2025 Walleye Capital LLC94,169$4.68M0.0%+12,799.9%0.293% 5/14/2025 Jump Financial LLC37,192$1.85M0.0%-16.3%0.116% 5/14/2025 BlackBarn Capital Partners LP480,441$23.86M1.5%+758.0%1.495% 5/14/2025 AlphaQuest LLC4,082$203K0.0%-75.7%0.013% 5/14/2025 Quantbot Technologies LP65,091$3.23M0.1%+72.4%0.203% 5/13/2025 Aptus Capital Advisors LLC17,376$863K0.0%N/A0.054% 5/13/2025 Northern Trust Corp401,931$19.96M0.0%+2.5%1.251% 5/13/2025 Algert Global LLC15,110$751K0.0%N/A0.047% 5/13/2025 American Century Companies Inc.1,140,495$56.65M0.0%+7.6%3.550% 5/13/2025 Boston Partners333,039$16.31M0.0%+0.9%1.037% 5/13/2025 Caitong International Asset Management Co. Ltd1,352$67K0.0%+100.3%0.004% 5/13/2025 Russell Investments Group Ltd.11,916$592K0.0%+13.3%0.037% 5/13/2025 Arrowpoint Investment Partners Singapore Pte. Ltd.6,100$303K0.0%N/A0.019% 5/12/2025 Public Sector Pension Investment Board103,067$5.12M0.0%+27.2%0.321% 5/12/2025 Nuveen LLC89,536$4.45M0.0%N/A0.279% 5/12/2025 Entropy Technologies LP5,800$288K0.0%N/A0.018% 5/12/2025 Invesco Ltd.138,251$6.87M0.0%+5.4%0.430% Elon just did WHAT!? (Ad)As you may recall, Biden and the Fed were working on a central bank digital currency, or CBDC. Had they gotten away with it, the Fed and U.S. banks could have seized control of our financial lives forever. But Trump stopped them cold on January 23rd, 2025, when he outlawed CBDCs… Paving the way for Elon Musk's secret master plan.Click here to see how to claim your stake before they launch to avoid missing out.5/12/2025 Mizuho Markets Americas LLC119,376$5.93M0.1%N/A0.372% 5/12/2025 Covestor Ltd3,166$158K0.1%+60.6%0.010% 5/12/2025 Citigroup Inc.159,623$7.93M0.0%+35.1%0.497% 5/12/2025 Swiss National Bank63,000$3.13M0.0%-1.7%0.196% 5/12/2025 Jackson Square Partners LLC210,344$10.45M1.4%+12.7%0.654% 5/12/2025 Maryland State Retirement & Pension System9,456$470K0.0%-13.5%0.029% 5/9/2025 Mutual of America Capital Management LLC4,734$235K0.0%-3.9%0.015% 5/9/2025 Headlands Technologies LLC545$27K0.0%-75.7%0.002% 5/9/2025 Deutsche Bank AG26,363$1.31M0.0%-7.5%0.082% 5/9/2025 Charles Schwab Investment Management Inc.386,007$19.17M0.0%+4.3%1.199% 5/9/2025 Primecap Management Co. CA835,066$41.48M0.0%-8.9%2.595% 5/9/2025 Vanguard Group Inc.4,439,902$220.53M0.0%+1.0%13.797% 5/9/2025 Three Seasons Wealth LLC7,105$353K0.2%N/A0.022% 5/9/2025 New Age Alpha Advisors LLC981$49K0.0%-47.6%0.003% 5/9/2025 PNC Financial Services Group Inc.2,358$117K0.0%+22.0%0.007% 5/8/2025 Moors & Cabot Inc.7,830$389K0.0%+11.7%0.024% 5/8/2025 Bayforest Capital Ltd764$38K0.0%N/A0.002% 5/8/2025 Vestcor Inc6,744$335K0.0%-24.2%0.021% 5/8/2025 GSA Capital Partners LLP18,809$934K0.1%-44.6%0.058% 5/8/2025 Federated Hermes Inc.194,192$9.65M0.0%+7.1%0.603% 5/7/2025 Mackenzie Financial Corp6,346$315K0.0%+7.8%0.020% 5/7/2025 LPL Financial LLC56,435$2.80M0.0%-7.2%0.175% 5/7/2025 Zurcher Kantonalbank Zurich Cantonalbank 10,497$521K0.0%+15.0%0.033% 5/7/2025 Skandinaviska Enskilda Banken AB publ 2,979$148K0.0%-63.8%0.009% 5/6/2025 Pacer Advisors Inc.161,481$8.02M0.0%-79.4%0.502% 5/6/2025 Cetera Investment Advisers5,491$273K0.0%N/A0.017% 5/6/2025 Royce & Associates LP280,983$13.96M0.2%-15.7%0.873% 5/6/2025 Brookwood Investment Group LLC8,400$417K0.1%N/A0.026% 5/6/2025 KLP Kapitalforvaltning AS11,100$551K0.0%+70.8%0.034% 5/6/2025 Homestead Advisers Corp34,200$1.70M0.0%+15.5%0.106% 5/6/2025 Bank Julius Baer & Co. Ltd Zurich6,085$302K0.0%-6.4%0.019% 5/6/2025 Universal Beteiligungs und Servicegesellschaft mbH14,109$701K0.0%N/A0.044% 5/5/2025 Allianz Asset Management GmbH14,530$722K0.0%-74.9%0.045% 5/5/2025 Peterson Wealth Services9,131$454K0.1%+18.7%0.028% 5/5/2025 Eagle Bay Advisors LLC7,585$377K0.3%+3.8%0.024% 5/5/2025 Private Advisor Group LLC53,575$2.66M0.0%+783.3%0.166% 5/2/2025 Victory Capital Management Inc.19,163$952K0.0%+9.3%0.060% 5/2/2025 Signaturefd LLC1,294$64K0.0%+255.5%0.004% 5/1/2025 Isthmus Partners LLC31,621$1.57M0.2%+11.8%0.098% 5/1/2025 CWM LLC1,657$82K0.0%+44.5%0.005% 5/1/2025 Louisiana State Employees Retirement System15,300$760K0.0%-2.5%0.048% 5/1/2025 SkyOak Wealth LLC7,094$352K0.1%+75.7%0.022% 4/30/2025 Bridges Investment Management Inc.25,793$1.28M0.0%+130.2%0.080% 4/30/2025 Nisa Investment Advisors LLC796$40K0.0%+97.5%0.002% 4/30/2025 New Insight Wealth Advisors31,847$1.58M0.7%N/A0.099% 4/29/2025 Envestnet Asset Management Inc.25,063$1.25M0.0%+16.6%0.078% 4/29/2025 Bank of New York Mellon Corp212,534$10.56M0.0%-6.1%0.660% 4/28/2025 Principal Financial Group Inc.194,038$9.64M0.0%+2.9%0.603% 4/28/2025 Teacher Retirement System of Texas4,753$236K0.0%N/A0.015% 4/25/2025 New York State Teachers Retirement System16,267$808K0.0%-15.7%0.051% Think NVDA’s run was epic? You ain’t seen nothin’ yet (Ad)Ask most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. In 2023, it surged 239%. And in 2024, it soared another 171% on the year… But what if I told you there was a way to target those types of “peak Nvidia” profit opportunities in 24 hours or less?Click to find out what Nvidia’s CEO might reveal… and how Sykes is preparing to ride the wave.4/25/2025 Amalgamated Bank9,309$462K0.0%-3.1%0.029% 4/24/2025 Allspring Global Investments Holdings LLC5,783$291K0.0%+57.5%0.018% 4/24/2025 Illinois Municipal Retirement Fund15,023$746K0.0%-11.5%0.047% 4/23/2025 Oppenheimer & Co. Inc.6,506$323K0.0%+8.3%0.020% 4/23/2025 Oppenheimer Asset Management Inc.6,269$311K0.0%+39.6%0.019% 4/22/2025 Illumine Investment Management LLC9,731$483K0.4%N/A0.030% 4/22/2025 Cambridge Investment Research Advisors Inc.12,168$604K0.0%+38.2%0.038% 4/21/2025 Boston Trust Walden Corp826,332$41.04M0.3%+0.8%2.568% 4/21/2025 State of Alaska Department of Revenue18,012$894K0.0%-2.7%0.056% 4/17/2025 Janney Montgomery Scott LLC19,103$949K0.0%+19.4%0.059% (Data available from 1/1/2016 forward) ACLS Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ACLS shares? During the previous two years, 452 institutional investors and hedge funds held shares of Axcelis Technologies. The most heavily invested institutionals were BlackRock Inc. ($1.01B), Vanguard Group Inc. ($220.53M), Driehaus Capital Management LLC ($136.86M), State Street Corp ($129.31M), Reinhart Partners LLC. ($71.58M), Geode Capital Management LLC ($62.74M), and American Century Companies Inc. ($56.65M).Learn more on ACLS's institutional investors. What percentage of Axcelis Technologies stock is owned by institutional investors? 89.98% of Axcelis Technologies stock is owned by institutional investors. Learn more on ACLS's institutional investor holdings. Which institutional investors have been buying Axcelis Technologies stock? Of the 376 institutional investors that purchased Axcelis Technologies stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Bank Julius Baer & Co. Ltd Zurich ($9.50M), Reinhart Partners LLC. ($1.44M), Norges Bank ($956.28K), Boston Trust Walden Corp ($826.33K), Pacer Advisors Inc. ($781.60K), Jackson Square Partners LLC ($516.52K), and Vanguard Group Inc. ($506.16K). How much institutional buying is happening at Axcelis Technologies? Institutional investors have bought a total of 24,055,234 shares in the last 24 months. This purchase volume represents approximately $3.24B in transactions. Which Axcelis Technologies major shareholders have been selling company stock? Of the 233 institutional investors that sold Axcelis Technologies stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: FMR LLC ($786.51K), Senvest Management LLC ($745.69K), Pacer Advisors Inc. ($620.67K), Ameriprise Financial Inc. ($505.85K), Wellington Management Group LLP ($461.25K), Dimensional Fund Advisors LP ($354.38K), and Paradigm Capital Management Inc. NY ($323K). How much institutional selling is happening at Axcelis Technologies? Institutional investors have sold a total of 8,907,520 shares in the last 24 months. This volume of shares sold represents approximately $1.00B in transactions. 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