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Disclosery

ACLS AXCELIS TECHNOLOGIES INC

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COM NEW (common), issuer CIK 1113232

355 managers (362 13F filers) reported a position in ACLS shares at 2025-09-30, 30,412,151 shares in all. 71 filers opened a position and 37 filers sold out during the quarter.

Managers
355
13F filers
362
New
71
Added
108
Reduced
120
Sold out
37
Shares held by filers
30,412,151

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.4,864,173$475M0.01%-157,77313F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding4,194,944$410M-138,041Timeline
REINHART PARTNERS, LLC.1,610,332$157M5.11%+91,78813F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,345,761$131M0.07%-313,70213F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,230,116$120M<0.01%-18,59213F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …930,362$90.8M0.24%+9,23613F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC926,739$90.5M0.01%+1,43413F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC972,162$90.2M0.05%+85,40713F-HRTimeline
Boston Trust Walden Corpgroup of 2 filers holding929,028$89.8M-390,926Timeline
PRIMECAP MANAGEMENT CO/CA/833,676$81.4M0.06%-18,62013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP769,612$75.1M0.02%+34,15313F-HRTimelineGroup
FMR LLCin group FMR LLC551,398$53.8M<0.01%+168,82513F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/532,108$52M0.01%+2,96513F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC494,775$48.3M0.01%-96,40213F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY454,087$44.3M<0.01%-96,07413F-HR/ATimelineGroup
Grantham, Mayo, Van Otterloo & Co. LLC443,863$43.3M0.12%+1,79813F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP434,988$42.5M0.01%-6,67013F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co427,113$41.7M0.01%+20,70113F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/410,314$40.1M<0.01%-293,12413F-HR/ATimelineGroup
Invesco Ltd.in group Invesco Ltd.386,735$37.8M0.01%+246,93913F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC324,354$31.7M0.02%-38,10313F-HRTimelineGroup
LSV ASSET MANAGEMENT314,900$30.7M0.07%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS283,926$27.7M0.02%+91,73813F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC261,776$25.6M0.02%+154,38113F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson235,412$23M0.01%+138,20713F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp219,418$21.4M<0.01%-6,64513F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.217,802$21.3M0.04%-3,36213F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO217,394$21.2M<0.01%+39,52713F-HR/ATimelineGroup
BlackBarn Capital Partners LP200,000$19.5M6.37%-160,00013F-HRTimeline
UBS Group AGgroup of 2 filers holding193,421$18.9M-115,986Timeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding187,049$18.3M-19,779Timeline
KENNEDY CAPITAL MANAGEMENT LLC183,100$17.9M0.4%+49,89413F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA168,865$16.5M<0.01%-41,70713F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.154,338$15.1M0.01%+76,08513F-HRTimelineGroup
ROYCE & ASSOCIATES LP144,708$14.1M0.14%-120,33013F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…130,358$12.7M0.02%+57,35813F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC128,871$12.6M0.03%+28,84813F-HRTimelineGroup
Public Sector Pension Investment Board122,564$12M0.04%+12,98913F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC118,133$11.5M<0.01%-4,21813F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …117,797$11.5M0.01%new13F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …109,628$10.4M0.02%+102,04013F-HRTimelineGroup
RHUMBLINE ADVISERS96,897$9.46M0.01%+2,13913F-HRTimeline
Clark Capital Management Group, Inc.96,588$9.43M0.06%+11,99713F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC95,227$9.3M0.03%-216,61113F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc83,016$8.11M<0.01%-5,58013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding77,870$7.6M-30,992Timeline
Nuveen, LLCin group TIAA73,282$7.16M<0.01%-92713F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN73,023$7.13M<0.01%+40,19613F-HRTimelineGroup
Creative Planningin group Creative Planning72,634$7.09M0.01%+5,42213F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.69,644$6.8M<0.01%-1,94413F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC69,585$6.79M<0.01%-8,70213F-HR/ATimelineGroup
Swiss National Bank62,300$6.08M<0.01%+80013F-HRTimeline
SEGALL BRYANT & HAMILL, LLC58,611$5.72M0.08%new13F-HRTimeline
PARADIGM CAPITAL MANAGEMENT INC/NY56,100$5.48M0.24%-32,00013F-HRTimeline
GLOBEFLEX CAPITAL L P55,997$5.47M0.84%+12,48513F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP55,243$5.39M<0.01%-14,79113F-HRTimelineGroup
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…54,221$5.29M<0.01%-30013F-HRTimelineGroup
QSM Asset Management Ltd53,166$5.17M3.69%-7,25013F-HRTimeline
AXA Investment Managers S.A.52,179$5.09M0.01%13F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources74,672$5.04M<0.01%+51,39113F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD50,214$4.9M0.01%-40,35913F-HRTimeline
LPL Financial LLC48,968$4.78M<0.01%-5,10113F-HRTimeline
Private Advisor Group, LLC45,895$4.48M0.02%-2,74013F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.45,025$4.4M0.34%-90,55813F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC44,385$4.33M0.01%+10,97013F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC42,696$4.17M<0.01%+4,43613F-HRTimelineGroup
OSSIAM40,700$3.97M0.05%new13F-HRTimeline
Schonfeld Strategic Advisors LLC37,637$3.67M0.03%+17,75013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP37,165$3.63M0.01%+1,27213F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC36,651$3.58M<0.01%-6,65213F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…36,000$3.52M0.01%013F-HRTimeline
Verition Fund Management LLC35,776$3.49M0.02%-14,45113F-HRTimeline
Janney Montgomery Scott LLC35,529$3.47M0.01%-3,39413F-HRTimeline
Homestead Advisers Corp34,200$3.34M0.08%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co32,985$3.19M<0.01%-2,56513F-HRTimelineGroup
BRIDGES INVESTMENT MANAGEMENT INC31,699$3.1M0.04%+1,92413F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth4,206$3.09M<0.01%new13F-HRTimelineGroup
ALGERT GLOBAL LLC31,110$3.04M0.05%+14,01013F-HR/ATimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC31,000$3.03M0.06%new13F-HRTimeline
Soviero Asset Management, LP31,000$3.03M1.87%-17,00013F-HRTimeline
Amundiin group Amundi34,018$2.98M<0.01%+28,66513F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…30,131$2.94M<0.01%+113F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC28,609$2.79M<0.01%-36,89513F-HRTimelineGroup
Jackson Square Partners, LLC27,335$2.67M1.08%-7,71413F-HRTimeline
New Insight Wealth Advisors27,013$2.64M0.99%-4,83413F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC26,827$2.62M<0.01%-227,66613F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP25,684$2.51M<0.01%new13F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\25,447$2.48M<0.01%+2,90213F-HRTimelineGroup
CHASE INVESTMENT COUNSEL CORP24,000$2.34M0.69%013F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…22,667$2.21M<0.01%-95913F-HRTimelineGroup
Jackson Creek Investment Advisors LLC22,299$2.18M0.63%new13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP21,736$2.12M<0.01%+88213F-HRTimelineGroup
F/m Investments LLC21,068$2.06M0.08%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC20,761$2.01M<0.01%+6,41613F-HRTimelineGroup
ZACKS INVESTMENT MANAGEMENT20,213$1.97M0.02%new13F-HRTimeline
Andra AP-fonden19,990$1.95M0.02%+2,00013F-HRTimeline
SIMPLEX TRADING, LLC18,887$1.84M0.04%+4,56513F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…18,740$1.83M0.01%new13F-HRTimelineGroup
ARGA Investment Management, LP18,534$1.81M0.05%013F-HRTimeline
Wakefield Asset Management LLLPin group Wakefield Asset Management LL…18,091$1.77M0.48%+2413F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC17,671$1.73M0.02%+55513F-HRTimeline
ABN AMRO INVESTMENT SOLUTIONSin group ABN AMRO INVESTMENT SOLUTIONS17,390$1.7M0.03%013F-HRTimelineGroup
Penbrook Management LLC16,895$1.65M1.15%013F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al16,638$1.62M0.01%-30013F-HRTimeline
Old West Investment Management, LLC16,268$1.59M0.36%new13F-HRTimeline
Quantbot Technologies LP16,156$1.58M0.04%-19,12213F-HRTimeline
Illinois Municipal Retirement Fund16,102$1.57M0.02%+1,62613F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…15,867$1.55M<0.01%-40013F-HRTimeline
State of Alaska, Department of Revenue15,810$1.54M0.02%-3,28713F-HRTimeline
Mizuho Markets Cayman LPin group MIZUHO FINANCIAL GROUP INC15,616$1.52M0.13%-26,80413F-HR/ATimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …15,299$1.49M<0.01%-1,43713F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…14,980$1.46M<0.01%-2,69213F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding14,747$1.44M+1,519Timeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC14,695$1.43M<0.01%-2,05113F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC14,676$1.43M<0.01%-8,50013F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …14,648$1.43M<0.01%-13,35213F-HRTimelineGroup
&PARTNERS14,609$1.43M0.01%+3,72613F-HRTimeline
Mariner, LLCin group Mariner, LLC14,529$1.42M<0.01%-1,38513F-HRTimelineGroup
WINTON GROUP Ltdin group WINTON GROUP Ltd14,468$1.41M0.05%-39,84913F-HRTimelineGroup
Louisiana State Employees Retirement Sy…14,400$1.41M0.02%-60013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO14,076$1.37M<0.01%+3,66513F-HRTimelineGroup
Cambridge Investment Research Advisors,…13,961$1.36M<0.01%-613F-HRTimeline
Holocene Advisors, LP13,887$1.36M<0.01%-21,91113F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…13,818$1.35M0.02%-13,16913F-HRTimelineGroup
AlphaQuest LLC13,793$1.35M0.09%new13F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC13,666$1.33M0.01%-3,08013F-HRTimelineGroup
State of Tennessee, Department of Treas…11,804$1.15M<0.01%+1,88113F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC11,609$1.13M<0.01%+3,95213F-HRTimelineGroup
Rede Wealth, LLC11,495$1.12M0.88%new13F-HRTimeline
Eagle Bay Advisors LLC11,495$1.12M0.88%+4,01013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…11,326$1.11M<0.01%+78213F-HRTimeline
KLP KAPITALFORVALTNING AS11,100$1.08M<0.01%013F-HRTimeline
Gotham Asset Management, LLC11,015$1.08M<0.01%-2,61613F-HRTimeline
ExodusPoint Capital Management, LP10,448$1.02M0.01%-16,98813F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND10,150$991K<0.01%013F-HRTimeline
Illumine Investment Management, LLC10,031$979K0.7%+9313F-HRTimeline
Morningstar Investment Management LLCin group Morningstar Investment Manage…10,027$979K0.04%new13F-HRTimelineGroup
Bridgefront Capital, LLC9,895$966K0.28%new13F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC9,727$950K0.01%-2,34913F-HRTimeline
COMERICA BANK9,721$949K<0.01%-1,99313F-HRTimeline
FOX RUN MANAGEMENT, L.L.C.9,618$939K0.15%-17,92513F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM9,505$928K<0.01%+11313F-HRTimeline
Peterson Wealth Services400$923K0.26%-8,75413F-HRTimeline
ProShare Advisors LLC9,421$920K<0.01%-4,94213F-HRTimeline
Quantinno Capital Management LP9,349$913K<0.01%+1,75713F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…9,149$894K0.01%-1,55013F-HRTimeline
AMALGAMATED BANK9,072$886K0.01%-11813F-HRTimeline
Ausbil Investment Management Ltd9,234$875K0.47%+3,84913F-HRTimeline
Police & Firemen's Retirement System of…8,929$872K0.01%+1,46413F-HRTimeline
GSA CAPITAL PARTNERS LLP8,566$836K0.07%-1,59513F-HRTimeline
Moors & Cabot, Inc.8,430$823K0.04%+80013F-HRTimeline
Brookwood Investment Group LLC8,400$820K0.11%013F-HRTimeline
JAMES INVESTMENT RESEARCH, INC.8,281$809K0.09%+4,30513F-HRTimeline
Handelsbanken Fonder AB8,100$791K<0.01%013F-HRTimeline
Summit Global Investmentsin group Summit Global Investments8,085$789K0.05%new13F-HRTimelineGroup
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…8,002$781K<0.01%-24713F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC7,865$768K0.01%-80113F-HRTimelineGroup
North Star Investment Management Corp.7,392$722K0.05%013F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE7,315$714K<0.01%-5,41513F-HRTimelineGroup
Kerrisdale Advisers, LLC7,265$709K0.37%013F-HRTimeline
Horizon Investments, LLC7,194$702K0.01%new13F-HRTimeline
HRT FINANCIAL LP7,130$696K<0.01%-15,14513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…7,080$691K<0.01%-2013F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND7,060$689K0.01%-30013F-HRTimeline
WHITE PINE CAPITAL LLC6,900$674K0.19%013F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P6,828$667K0.02%new13F-HRTimeline
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)6,422$627K<0.01%013F-HRTimelineGroup
Ensign Peak Advisors, Inc6,266$612K<0.01%-3,70013F-HR/ATimeline
Bayforest Capital Ltd6,115$597K0.28%+1,89813F-HRTimeline
Veracity Capital LLC6,114$597K0.19%new13F-HRTimeline
Merit Financial Group, LLC6,094$595K0.01%new13F-HR/ATimeline
Cetera Investment Advisers6,092$595K<0.01%+2,09713F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS6,057$591K<0.01%+1,16713F-HRTimeline
Man Group plcin group Man Group plc5,979$584K<0.01%new13F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC5,831$569K<0.01%+16113F-HRTimelineGroup
Federation des caisses Desjardins du Qu…5,610$548K<0.01%+20813F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP5,570$544K<0.01%new13F-HRTimelineGroup
AVIVA PLCin group AVIVA PLC5,513$538K<0.01%-2,01713F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…5,715$478K<0.01%+1,11113F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC4,880$476K0.03%013F-HRTimeline
Empowered Funds, LLC4,820$471K<0.01%+1,10613F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC4,618$451K<0.01%-1,15113F-HRTimelineGroup
Maryland State Retirement & Pension Sys…4,517$441K0.01%-4,93913F-HRTimeline
Pacer Advisors, Inc.4,485$438K<0.01%-102,03713F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…4,300$420K<0.01%-96513F-HRTimelineGroup
Vestcor Inc4,286$418K0.01%-2,45813F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…4,239$414K<0.01%-7,12613F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/4,202$410K<0.01%-1,66213F-HRTimelineGroup
Graham Capital Management, L.P.4,198$410K0.02%new13F-HRTimeline
SkyOak Wealth, LLC4,177$408K0.08%-41713F-HRTimeline
MACKENZIE FINANCIAL CORP4,157$406K<0.01%-2,18913F-HRTimeline
Linden Thomas Advisory Services, LLC4,085$399K0.04%-4213F-HRTimeline
Firsthand Capital Management, Inc.4,000$391K0.66%013F-HRTimeline
CIBC Bancorp USA Inc.group of 2 filers holding3,740$365K+3,439Timeline
MML INVESTORS SERVICES, LLC3,725$364K<0.01%new13F-HRTimeline
HighTower Advisors, LLC3,642$356K<0.01%+27513F-HRTimeline
Engineers Gate Manager LP3,571$349K<0.01%new13F-HRTimeline
Net Worth Advisory Group3,547$346K0.1%-32713F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…3,519$344K<0.01%-60813F-HRTimelineGroup
Lido Advisors, LLCin group Lido Advisors, LLC3,518$343K<0.01%+1413F-HRTimelineGroup