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Live Earnings Conference Call: Axcelis Technologies will host a live Q1 2026 earnings call on May 7, 2026 at 5:00PM ET. Follow this link to get details and listen to Axcelis Technologies' Q1 2026 earnings call when it goes live. Get details.

Axcelis Technologies (ACLS) Institutional Ownership

Axcelis Technologies logo
$159.27 -11.73 (-6.86%)
As of 02:19 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Axcelis Technologies (NASDAQ:ACLS)

Current
Institutional Ownership
Percentage
89.98%
Number of
Institutional Buyers
(last 12 months)
237
Total
Institutional Inflows
(last 12 months)
$634.88M
Number of
Institutional Sellers
(last 12 months)
157
Total
Institutional Outflows
(last 12 months)
$468.65M
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Skip Chart & View Institutional Buying and Selling Data

ACLS Institutional Buying and Selling by Quarter

Axcelis Technologies Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/6/2026 Allspring Global Investments Holdings LLC258,536$24.69M0.0%-2.8%0.841%
5/5/2026 D.A. Davidson & CO.2,300$214K0.0%-12.8%0.007%
5/5/2026 Bank of New York Mellon Corp199,672$18.59M0.0%-1.9%0.650%
5/5/2026 Illinois Municipal Retirement Fund15,080$1.40M0.0%-3.1%0.049%
5/4/2026 Emerald Mutual Fund Advisers Trust47,412$4.41M0.2%N/A0.154%
5/4/2026 Emerald Advisers LLC96,238$8.96M0.3%N/A0.313%
5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management7,654$712K0.0%+36.5%0.025%
5/4/2026 Principal Financial Group Inc.210,202$19.57M0.0%+5.1%0.684%
5/1/2026 Commonwealth of Pennsylvania Public School Empls Retrmt SYS6,592$614K0.0%-1.2%0.021%
5/1/2026 Fifth Third Bancorp9,059$843K0.0%+2,290.2%0.029%
5/1/2026 ARGA Investment Management LP41,408$3.85M0.1%+123.4%0.135%
4/30/2026 Hsbc Holdings PLC11,443$1.07M0.0%-6.6%0.037%
4/30/2026 Peterson Wealth Services7,889$734K0.2%+6.6%0.026%
4/30/2026 Isthmus Partners LLC39,357$3.66M0.4%-5.1%0.128%
4/29/2026 KERR FINANCIAL PLANNING Corp2,150$200K0.3%-11.3%0.007%
4/29/2026 Burney Co.16,845$1.57M0.0%-31.9%0.055%
4/28/2026 Praxis Investment Management Inc.2,766$257K0.0%-43.3%0.009%
4/28/2026 QRG Capital Management Inc.9,596$893K0.0%+237.6%0.031%
4/27/2026 New York State Teachers Retirement System14,857$1.38M0.0%-6.4%0.048%
4/27/2026 Private Advisor Group LLC2,978$277K0.0%-92.3%0.010%
4/25/2026 Strs Ohio2,500$233K0.0%-26.5%0.008%
4/25/2026 Eagle Bay Advisors LLC6,200$577K0.5%+93.8%0.020%
4/25/2026 Boston Trust Walden Corp378,525$35.23M0.3%-11.5%1.232%
4/24/2026 James Investment Research Inc.3,408$317K0.0%-58.8%0.011%
4/22/2026 Janney Montgomery Scott LLC22,150$2.06M0.0%-1.3%0.072%
4/22/2026 Pictet Asset Management Holding SA4,881$454K0.0%+13.5%0.016%
4/22/2026 Sterling Capital Management LLC969$90K0.0%-42.0%0.003%
4/21/2026 Wealth Effects LLC3,571$332K0.1%-2.1%0.012%
4/21/2026 Wesbanco Bank Inc.12,800$1.19M0.0%N/A0.042%
4/21/2026 Penbrook Management LLC12,095$1.13M0.9%-23.9%0.039%
4/21/2026 Louisiana State Employees Retirement System13,600$1.27M0.0%N/A0.044%
4/18/2026 CENTRAL TRUST Co1,237$115K0.0%-8.4%0.004%
4/16/2026 SG Americas Securities LLC3,375$314K0.0%-76.2%0.011%
4/16/2026 Evolve Private Wealth LLC7,706$717K0.0%+9.6%0.025%
3/20/2026 Hsbc Holdings PLC12,254$991K0.0%-41.0%0.040%
3/17/2026Rockefeller Capital Management L.P.1,357$109K0.0%+69.2%0.004%
3/9/2026Corient Private Wealth LLC5,792$466K0.0%+4.0%0.019%
2/24/2026Pacer Advisors Inc.3,615$290K0.0%-19.4%0.012%
2/19/2026Invesco Ltd.478,897$38.48M0.0%+23.8%1.560%
2/18/2026Ameriflex Group Inc.1,180$95K0.0%N/A0.004%
2/18/2026Mercer Global Advisors Inc. ADV3,721$299K0.0%+34.3%0.012%
2/18/2026Vident Advisory LLC13,099$1.05M0.0%-4.1%0.043%
2/18/2026State of Tennessee Department of Treasury6,867$605K0.0%-41.8%0.022%
2/18/2026NewEdge Advisors LLC2,406$193K0.0%+130.2%0.008%
2/18/2026Empowered Funds LLC38,888$3.12M0.0%+706.8%0.127%
2/18/2026XTX Topco Ltd6,771$544K0.0%N/A0.022%
2/18/2026Zacks Investment Management88,080$7.08M0.1%+335.8%0.287%
2/18/2026Voloridge Investment Management LLC220,713$17.73M0.1%+131.8%0.719%
2/18/2026Susquehanna Portfolio Strategies LLC68,213$5.48M0.1%-4.0%0.222%
2/18/2026Twinbeech Capital LP18,000$1.45M0.1%N/A0.059%
2/18/2026Old West Investment Management LLC18,064$1.45M0.3%+11.0%0.059%
2/18/2026Millennium Management LLC130,090$10.45M0.0%-50.3%0.424%
2/18/2026Janus Henderson Group PLC41,776$3.36M0.0%-82.3%0.136%
2/18/2026Gotham Asset Management LLC12,210$981K0.0%+10.8%0.040%
2/18/2026 Evolve Private Wealth LLC7,029$565K0.0%N/A0.023%
2/18/2026Engineers Gate Manager LP11,167$897K0.0%+212.7%0.036%
2/18/2026Balyasny Asset Management L.P.243,503$19.56M0.0%+10,368.7%0.793%
2/18/2026Bridgeway Capital Management LLC36,000$2.89M0.1%+16.1%0.117%
2/17/2026Freestone Grove Partners LP6,989$561K0.0%N/A0.023%
2/17/2026Guggenheim Capital LLC7,704$619K0.0%-2.0%0.025%
2/17/2026Schonfeld Strategic Advisors LLC21,182$1.70M0.0%-43.7%0.069%
2/17/2026AQR Capital Management LLC37,581$3.02M0.0%+2.5%0.122%
2/17/2026 Abel Hall LLC2,629$211K0.0%N/A0.009%
2/17/2026Cetera Investment Advisers9,955$800K0.0%+63.4%0.032%
2/17/2026Amundi37,274$3.00M0.0%+9.6%0.121%
2/17/2026Price T Rowe Associates Inc. MD383,056$30.78M0.0%-28.0%1.248%
2/17/2026Soviero Asset Management LP46,000$3.70M1.8%+48.4%0.150%
2/17/2026Osaic Holdings Inc.2,656$213K0.0%-12.7%0.009%
2/17/2026 Private Advisor Group LLC38,482$3.09M0.0%-16.2%0.125%
2/17/2026Russell Investments Group Ltd.3,277$263K0.0%-22.7%0.011%
2/17/2026Clark Capital Management Group Inc.110,294$8.86M0.1%+14.2%0.359%
2/17/2026State of Wisconsin Investment Board50,506$4.06M0.0%+0.6%0.165%
2/17/2026&PARTNERS13,953$1.12M0.0%-4.5%0.045%
2/17/2026Royal Bank of Canada3,849$310K0.0%-97.7%0.013%
2/17/2026Graham Capital Management L.P.3,114$250K0.0%-25.8%0.010%
2/17/2026Needham Investment Management LLC20,000$1.61M0.1%N/A0.065%
2/16/2026Squarepoint Ops LLC153,703$12.35M0.0%+17.1%0.501%
2/16/2026Verition Fund Management LLC21,177$1.70M0.0%-40.8%0.069%
2/16/2026 MML Investors Services LLC8,490$682K0.0%+127.9%0.028%
2/16/2026Kennedy Capital Management LLC205,737$16.53M0.3%+12.4%0.670%
2/16/2026Barclays PLC75,982$6.10M0.0%+9.2%0.247%
2/13/2026The Manufacturers Life Insurance Company 14,040$1.13M0.0%-8.2%0.046%
2/13/2026CANADA LIFE ASSURANCE Co26,302$2.11M0.0%-20.3%0.086%
2/13/2026Segall Bryant & Hamill LLC102,187$8.21M0.1%+74.3%0.333%
2/13/2026Stifel Financial Corp24,347$1.96M0.0%+12.0%0.079%
2/13/2026Smartleaf Asset Management LLC1,163$95K0.0%+21.5%0.004%
2/13/2026Bridgefront Capital LLC17,765$1.43M0.4%+79.5%0.058%
2/13/2026Public Sector Pension Investment Board129,777$10.43M0.0%+5.9%0.423%
2/13/2026First Trust Advisors LP88,396$7.10M0.0%+60.0%0.288%
2/13/2026Charles Schwab Investment Management Inc.431,195$34.64M0.0%+1.0%1.405%
2/13/2026 Police & Firemen s Retirement System of New Jersey8,210$660K0.0%-8.1%0.027%
2/13/2026State Street Corp1,186,227$95.30M0.0%-3.6%3.864%
2/13/2026Victory Capital Management Inc.1,807,404$145.21M0.1%+85.9%5.887%
2/13/2026Boston Partners422,435$35.07M0.0%-9.9%1.376%
2/13/2026Dynamic Technology Lab Private Ltd19,470$1.56M0.4%N/A0.063%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC61,097$4.91M0.0%-7.6%0.199%
2/13/2026Wells Fargo & Company MN79,752$6.41M0.0%+9.2%0.260%
2/12/2026Advisors Asset Management Inc.1,102$89K0.0%-21.5%0.004%
2/12/2026Federation des caisses Desjardins du Quebec5,346$429K0.0%-4.7%0.017%
2/12/2026HRT Financial LP4,576$367K0.0%-35.8%0.015%


ACLS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ACLS shares?

During the previous two years, 424 institutional investors and hedge funds held shares of Axcelis Technologies. The most heavily invested institutionals were Vanguard Group Inc. ($331.20M), Victory Capital Management Inc. ($145.21M), American Century Companies Inc. ($131.40M), Reinhart Partners LLC. ($127.73M), State Street Corp ($95.30M), Geode Capital Management LLC ($73.74M), and Dimensional Fund Advisors LP ($67.57M).Learn more on Axcelis Technologies' 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 364 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: Reinhart Partners LLC. ($1.27M), American Century Companies Inc. ($928.87K), Victory Capital Management Inc. ($922.28K), Boston Trust Walden Corp ($845.91K), Pacer Advisors Inc. ($781.15K), Norges Bank ($666.55K), and Boston Partners ($561.72K).

How much institutional buying is happening at Axcelis Technologies?

Institutional investors have bought a total of 8,262,932 shares in the last 24 months. This purchase volume represents approximately $634.88M in transactions.

Which of Axcelis Technologies' major shareholders have been selling company stock?

Of the 157 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: Amundi ($545.69K), Bank of America Corp DE ($509.09K), Boston Trust Walden Corp ($467.39K), American Century Companies Inc. ($313.70K), Primecap Management Co. CA ($268.71K), Millennium Management LLC ($237.96K), and Voloridge Investment Management LLC ($216.61K).

How much institutional selling is happening at Axcelis Technologies?

Institutional investors have sold a total of 5,659,379 shares in the last 24 months. This volume of shares sold represents approximately $468.65M in transactions.


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This page (NASDAQ:ACLS) was last updated on 5/7/2026 by MarketBeat.com Staff.
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