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Axcelis Technologies (ACLS) Institutional Ownership

Axcelis Technologies logo
$139.97 -4.53 (-3.13%)
Closing price 07/6/2026 04:00 PM Eastern
Extended Trading
$137.29 -2.68 (-1.91%)
As of 04:06 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 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)
212
Total
Institutional Inflows
(last 12 months)
$630.57M
Number of
Institutional Sellers
(last 12 months)
153
Total
Institutional Outflows
(last 12 months)
$463.85M
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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
7/2/2026 KERR FINANCIAL PLANNING Corp2,225$422K0.5%+3.5%0.007%
6/18/2026Western Wealth Management LLC6,936$646K0.0%N/A0.023%
6/3/2026Parallel Advisors LLC665$62K0.0%+22.0%0.002%
5/22/2026Segall Bryant & Hamill LLC200,371$18.65M0.2%+96.1%0.652%
5/19/2026Western Wealth Management LLC6,936$646K0.0%N/A0.023%
5/19/2026Bank of America Corp DE110,999$10.33M0.0%-6.1%0.361%
5/19/2026Edgestream Partners L.P.3,362$313K0.0%N/A0.011%
5/19/2026Janus Henderson Group PLC14,628$1.36M0.0%-65.0%0.048%
5/18/2026Amundi40,627$3.78M0.0%+9.0%0.132%
5/18/2026California State Teachers Retirement System36,420$3.39M0.0%+21.3%0.119%
5/18/2026Royal Bank of Canada9,793$912K0.0%+154.4%0.032%
5/18/2026Empowered Funds LLC39,087$3.64M0.0%+0.5%0.127%
5/16/2026The Manufacturers Life Insurance Company 491,745$45.77M0.0%+3,402.5%1.600%
5/16/2026Quantinno Capital Management LP12,336$1.15M0.0%+10.0%0.040%
5/15/2026Entropy Technologies LP10,790$1.00M0.0%N/A0.035%
5/14/2026Morningstar Investment Management LLC9,179$854K0.1%-8.5%0.030%
5/14/2026Paradigm Capital Management Inc. NY24,000$2.23M0.1%-57.1%0.078%
5/14/2026Sei Investments Co.45,035$4.19M0.0%+61.0%0.147%
5/14/2026Lido Advisors LLC4,259$396K0.0%+17.9%0.014%
5/14/2026Globeflex Capital L P44,455$4.14M0.6%-20.6%0.145%
5/14/2026State of Wyoming393$37K0.0%-67.0%0.001%
5/13/2026Cetera Investment Advisers5,127$477K0.0%-48.5%0.017%
5/13/2026First Trust Advisors LP137,779$12.82M0.0%+55.9%0.448%
5/12/2026ABN Amro Investment Solutions24,650$2.29M0.0%-0.6%0.080%
5/8/2026PNC Financial Services Group Inc.2,168$202K0.0%-5.0%0.007%
5/7/2026Dimensional Fund Advisors LP844,097$78.57M0.0%+0.4%2.747%
5/7/2026Parallel Advisors LLC665$62K0.0%+22.0%0.002%
5/6/2026Allspring Global Investments Holdings LLC258,536$24.69M0.0%-2.8%0.841%
5/5/2026D.A. Davidson & CO.2,300$214K0.0%-12.8%0.007%
5/5/2026Bank of New York Mellon Corp199,672$18.59M0.0%-1.9%0.650%
5/5/2026Illinois Municipal Retirement Fund15,080$1.40M0.0%-3.1%0.049%
5/4/2026Emerald Mutual Fund Advisers Trust47,412$4.41M0.2%N/A0.154%
5/4/2026Emerald Advisers LLC96,238$8.96M0.3%N/A0.313%
5/4/2026Empirical Financial Services LLC d.b.a. Empirical Wealth Management7,654$712K0.0%+36.5%0.025%
5/4/2026Principal Financial Group Inc.210,202$19.57M0.0%+5.1%0.684%
5/1/2026Commonwealth of Pennsylvania Public School Empls Retrmt SYS6,592$614K0.0%-1.2%0.021%
5/1/2026Fifth Third Bancorp9,059$843K0.0%+2,290.2%0.029%
5/1/2026ARGA Investment Management LP41,408$3.85M0.1%+123.4%0.135%
4/30/2026Hsbc Holdings PLC11,443$1.07M0.0%-6.6%0.037%
4/30/2026Peterson Wealth Services7,889$734K0.2%+6.6%0.026%
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4/30/2026Isthmus Partners LLC39,357$3.66M0.4%-5.1%0.128%
4/29/2026 KERR FINANCIAL PLANNING Corp2,150$200K0.3%-11.3%0.007%
4/29/2026Burney Co.16,845$1.57M0.0%-31.9%0.055%
4/28/2026Praxis Investment Management Inc.2,766$257K0.0%-43.3%0.009%
4/28/2026QRG Capital Management Inc.9,596$893K0.0%+237.6%0.031%
4/27/2026New York State Teachers Retirement System14,857$1.38M0.0%-6.4%0.048%
4/27/2026Private Advisor Group LLC2,978$277K0.0%-92.3%0.010%
4/25/2026Strs Ohio2,500$233K0.0%-26.5%0.008%
4/25/2026Eagle Bay Advisors LLC6,200$577K0.5%+93.8%0.020%
4/25/2026Boston Trust Walden Corp378,525$35.23M0.3%-11.5%1.232%
4/24/2026James Investment Research Inc.3,408$317K0.0%-58.8%0.011%
4/22/2026Janney Montgomery Scott LLC22,150$2.06M0.0%-1.3%0.072%
4/22/2026Pictet Asset Management Holding SA4,881$454K0.0%+13.5%0.016%
4/22/2026Sterling Capital Management LLC969$90K0.0%-42.0%0.003%
4/21/2026Wealth Effects LLC3,571$332K0.1%-2.1%0.012%
4/21/2026Wesbanco Bank Inc.12,800$1.19M0.0%N/A0.042%
4/21/2026Penbrook Management LLC12,095$1.13M0.9%-23.9%0.039%
4/21/2026Louisiana State Employees Retirement System13,600$1.27M0.0%N/A0.044%
4/18/2026CENTRAL TRUST Co1,237$115K0.0%-8.4%0.004%
4/16/2026SG Americas Securities LLC3,375$314K0.0%-76.2%0.011%
4/16/2026Evolve Private Wealth LLC7,706$717K0.0%+9.6%0.025%
3/20/2026Hsbc 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%
2/18/2026Evolve 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%
2/17/2026Abel Hall LLC2,629$211K0.0%N/A0.009%
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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%
2/17/2026Private 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%


ACLS Institutional Ownership - Frequently Asked Questions

During the previous two years, 411 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), Dimensional Fund Advisors LP ($78.57M), and Geode Capital Management LLC ($73.74M).Learn more on Axcelis Technologies' institutional investors.

89.98% of Axcelis Technologies' stock is owned by institutional investors. Learn more on ACLS's institutional investor holdings.

Of the 355 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 BlackBarn Capital Partners LP ($480.44K).

Institutional investors have bought a total of 7,571,849 shares in the last 24 months. This purchase volume represents approximately $630.57M in transactions.

Of the 153 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 ($516.30K), Boston Trust Walden Corp ($467.39K), American Century Companies Inc. ($313.70K), Janus Henderson Group PLC ($220.78K), Voloridge Investment Management LLC ($216.61K), and Vanguard Group Inc. ($201.42K).

Institutional investors have sold a total of 5,488,759 shares in the last 24 months. This volume of shares sold represents approximately $463.85M in transactions.


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