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Axcelis Technologies (ACLS) Institutional Ownership

Axcelis Technologies logo
$112.00 -3.11 (-2.70%)
As of 12:06 PM Eastern
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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)
192
Total
Institutional Inflows
(last 12 months)
$589.19M
Number of
Institutional Sellers
(last 12 months)
139
Total
Institutional Outflows
(last 12 months)
$466.24M
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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
10/15/2026State of Alaska Department of Revenue12,016$1.58M0.0%-29.1%0.039%
10/13/2026NorthCrest Asset Manangement LLC2,159$288K0.0%+3.9%0.007%
10/10/2026Reinhart Partners LLC.1,060,636$139.13M3.4%+14.2%3.435%
10/9/2026GAMMA Investing LLC3,051$400K0.0%+5.7%0.010%
10/8/2026Farther Finance Advisors LLC975$128K0.0%-7.5%0.003%
10/6/2026Central Pacific Bank Trust Division5,567$730K0.1%+47.9%0.018%
10/5/2026MassMutual Private Wealth & Trust FSB598$78K0.0%+25.9%0.002%
9/29/2026Cim Investment Management Inc.1,588$301K0.1%N/A0.005%
9/23/2026QRG Capital Management Inc.10,254$1.94M0.0%+6.9%0.033%
9/9/2026Sequoia Financial Advisors LLC1,937$367K0.0%N/A0.006%
9/9/2026Tidal Investments LLC3,771$714K0.0%+45.9%0.012%
9/9/2026WINTON GROUP Ltd8,620$1.63M0.1%-39.1%0.028%
9/9/2026NewEdge Advisors LLC581$110K0.0%+247.9%0.002%
9/9/2026GFG Capital LLC1,087$206K0.0%N/A0.004%
9/8/2026Nykredit A S1,083$205K0.0%N/A0.004%
9/4/2026Parkside Financial Bank & Trust827$157K0.0%-17.4%0.003%
8/27/2026Corient Private Wealth LP7,792$1.48M0.0%+39.3%0.025%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al12,638$2.39M0.0%N/A0.041%
8/23/2026HB Wealth Management LLC1,124$213K0.0%N/A0.004%
8/22/2026Odyssean LLC2,036$386K0.1%N/A0.007%
8/22/2026Syon Capital LLC1,452$275K0.0%N/A0.005%
8/21/2026Nykredit A S1,083$205K0.0%N/A0.004%
8/21/2026B. Metzler seel. Sohn & Co. AG13,383$2.54M0.0%N/A0.043%
8/20/2026Teza Capital Management LLC2,211$419K0.8%N/A0.007%
8/20/2026BTG Pactual Asset Management US LLC1,173$222K0.0%N/A0.004%
8/20/2026Greenleaf Trust1,804$342K0.0%N/A0.006%
8/19/2026Wellington Management Group LLP68,987$13.07M0.0%N/A0.223%
8/18/2026Public Employees Retirement System of Ohio431$82K0.0%N/A0.001%
8/14/2026Ancora Advisors LLC500$95K0.0%N/A0.002%
8/14/2026Paradigm Capital Management Inc. NY24,000$4.55M0.1%N/A0.078%
8/13/2026Globeflex Capital L P39,162$7.42M0.9%N/A0.127%
8/10/2026Great Lakes Advisors LLC31,556$5.98M0.0%N/A0.102%
8/6/2026Bank of New York Mellon Corp204,964$38.83M0.0%N/A0.667%
7/10/2026Handelsbanken Fonder AB9,300$1.76M0.0%+14.8%0.030%
7/10/2026Perkins Coie Trust Co1,326$251K0.0%-51.8%0.004%
7/9/2026Franklin Street Advisors Inc. NC1,130$214K0.0%N/A0.004%
7/9/2026Tactive Advisors LLC2,080$394K0.1%N/A0.007%
7/8/2026Reinhart Partners LLC.928,660$175.94M4.0%-44.0%3.022%
7/7/2026Central Pacific Bank Trust Division3,765$713K0.1%N/A0.012%
7/2/2026KERR FINANCIAL PLANNING Corp2,225$422K0.5%+3.5%0.007%
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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 Company491,745$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%
4/30/2026Isthmus Partners LLC39,357$3.66M0.4%-5.1%0.128%
4/29/2026KERR 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%
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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%


ACLS Institutional Ownership - Frequently Asked Questions

During the previous two years, 399 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), Reinhart Partners LLC. ($139.13M), American Century Companies Inc. ($131.40M), 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 349 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. ($1.05M), Victory Capital Management Inc. ($922.28K), American Century Companies Inc. ($890.05K), 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 6,136,019 shares in the last 24 months. This purchase volume represents approximately $589.19M in transactions.

Of the 138 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: Reinhart Partners LLC. ($749.52K), Boston Trust Walden Corp ($467.39K), American Century Companies Inc. ($313.70K), Bank of America Corp DE ($300.33K), 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 4,338,472 shares in the last 24 months. This volume of shares sold represents approximately $466.24M in transactions.


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Institutional ownership data for NASDAQ:ACLS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/15/2026. New 13F filings are added each quarter as they're published.
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