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Axcelis Technologies Inc

ACLS
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
SEC CIK
0001113232

No open-market purchases or sales by Axcelis Technologies Inc insiders were filed in the last 90 days; 443 institutions reported holding it in 13F filings for Q2 2026, worth $5.85B in total; Maverick Capital is the only superinvestor holding it.

Q3 2025 vs. Q2 2025

How the institutions holding Axcelis Technologies Inc changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of ACLS: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders3305362+37
Shares31.5M76.6K30.4M−1.06M (−3.4%)
Value$2.20B$5.36M$2.96B+$761.4M (+34.7%)

5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (74)

Institutions that held Axcelis Technologies Inc at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to ACLS in Q3 2025
InstitutionSharesValue% of portfolio
LSV Asset Management314,900$30.7M0.07%
Arrowstreet Capital, Limited Partnership117,797$11.5M0.01%
Segall Bryant & Hamill, LLC58,611$5.72M0.08%
AXA Investment Managers S.A.52,179$5.09M0.01%
Ossiam40,700$3.97M0.05%
Bridgeway Capital Management, LLC31,000$3.03M0.06%
Marshall Wace, LLP25,684$2.51M0.00%
Jackson Creek Investment Advisors LLC22,299$2.18M0.63%
F/M Investments LLC21,068$2.06M0.08%
Zacks Investment Management20,213$1.97M0.02%
MetLife Investment Management18,740$1.83M0.01%
Old West Investment Management, LLC16,268$1.59M0.36%
Quest Partners LLC13,793$1.35M0.09%
Rede Wealth, LLC11,495$1.12M0.88%
Morningstar Investment Management LLC10,027$979.0K0.04%
Bridgefront Capital, LLC9,895$966.1K0.28%
Summit Global Investments8,085$789.0K0.05%
Horizon Investments, LLC7,194$702.4K0.01%
Martingale Asset Management L P6,828$666.7K0.02%
Veracity Capital LLC6,114$597.0K0.19%
Merit Financial Group, LLC6,094$595.0K0.01%
Man Group plc5,979$583.8K0.00%
CI Private Wealth, LLC5,570$543.9K0.00%
Graham Capital Management, L.P.4,198$409.9K0.02%
MML Investors Services, LLC3,725$363.7K0.00%
Engineers Gate Manager LP3,571$348.7K0.00%
CIBC Bancorp USA Inc.3,437$335.6K0.00%
O'Shaughnessy Asset Management, LLC3,027$295.6K0.00%
Mercer Global Advisors Inc2,770$270.5K0.00%
Leavell Investment Management, Inc.2,745$268.0K0.01%
Neuberger Berman Group LLC2,720$265.6K0.00%
AE Wealth Management LLC2,648$258.6K0.00%
MOKAN Wealth Management Inc.2,631$257.1K0.13%
Moody National Bank Trust Division2,630$256.8K0.02%
Xponance, Inc.2,608$254.6K0.00%
Stratos Wealth Partners, LTD.2,594$253.3K0.00%
QRG Capital Management, Inc.2,592$253.1K0.00%
Cresset Asset Management, LLC2,518$245.9K0.00%
Baird Financial Group, Inc.2,500$244.1K0.00%
NJ State Employees Deferred Compensation Plan2,358$230.2K0.03%
Crossmark Global Holdings, Inc.2,356$230.0K0.00%
Inceptionr LLC2,267$221.3K0.05%
Bridgewater Associates, LP2,224$217.2K0.00%
denkapparat Operations GmbH2,168$211.7K0.14%
Kerr Financial Planning Corp2,425$198.6K0.28%
State of Wyoming1,604$156.6K0.02%
Group One Trading, L.P.1,399$136.6K0.00%
Quadrant Capital Group LLC952$93.0K0.00%
Rockefeller Capital Management L.P.802$78.3K0.00%
Walleye Capital LLC550$53.7K0.00%
STRS Ohio500$48.8K0.00%
Caitlin John, LLC324$31.6K0.02%
Advisory Services Network, LLC323$31.5K0.00%
Close Asset Management Ltd280$27.0K0.00%
National Bank of Canada248$24.2K0.00%
Salomon & Ludwin, LLC261$23.2K0.00%
Wealthspire Advisors, LLC234$22.8K0.00%
Cullen/Frost Bankers, Inc.202$19.7K0.00%
AdvisorNet Financial, Inc202$19.7K0.00%
Aster Capital Management (DIFC) Ltd189$18.5K0.01%
TD Waterhouse Canada Inc.71$6.73K0.00%
Root Financial Partners, LLC52$5.08K0.00%
Asset Dedication, LLC52$5.07K0.00%
Stone House Investment Management, LLC44$4.30K0.00%
Johnson Financial Group, Inc.21$2.05K0.00%
Retirement Wealth Solutions LLC19$1.86K0.00%
UMA Financial Services, Inc.8$7820.00%
Strategic Investment Solutions, Inc.6$5860.00%
Breakwater Investment Management6$5860.00%
SJS Investment Consulting Inc.2$1960.00%
Essential Partners LLC1$980.00%
Bay Harbor Wealth Management, LLC1$970.00%
Cloud Capital Management, LLC1$00.00%
Colony Group, LLC4,206––

Sold out (37)

Institutions that held Axcelis Technologies Inc at the end of Q2 2025 and filed for Q3 2025 without it.

Not filed for Q3 2025 yet (5)

Institutions that held Axcelis Technologies Inc at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ACLS in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank62,448$4.35M
Atria Wealth Solutions, Inc.7,187$524.3K
CIBC World Markets Corp3,973$276.9K
Breed's Hill Capital LLC3,000$209.1K
First Horizon Advisors, Inc.12$836