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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; 442 institutions reported holding it in 13F filings for Q2 2026, worth $5.85B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q3 2023

Institutional positions in Axcelis Technologies Inc as of Sep 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
421
+19 vs. Q2 2023
Shares held
29.6M
+81.3K (+0.3%) vs. Q2 2023
Total value
$4.85B
−$553.6M (−10.2%) vs. Q2 2023
New holders
65
149 more added
Sold out
46
152 more reduced

4 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ACLS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2023: 421 institutions
Q1 2021: 193 institutionsQ2 2021: 189 institutionsQ3 2021: 205 institutionsQ4 2021: 254 institutionsQ1 2022: 290 institutionsQ2 2022: 277 institutionsQ3 2022: 287 institutionsQ4 2022: 327 institutionsQ1 2023: 379 institutionsQ2 2023: 406 institutionsQ3 2023: 421 institutionsQ4 2023: 421 institutionsQ1 2024: 385 institutionsQ2 2024: 393 institutionsQ3 2024: 369 institutionsQ4 2024: 325 institutionsQ1 2025: 307 institutionsQ2 2025: 330 institutionsQ3 2025: 362 institutionsQ4 2025: 373 institutionsQ1 2026: 380 institutionsQ2 2026: 442 institutions
Value heldQ3 2023: $4.85B
Q1 2021: $1.20BQ2 2021: $1.17BQ3 2021: $1.37BQ4 2021: $2.05BQ1 2022: $2.05BQ2 2022: $1.52BQ3 2022: $1.72BQ4 2022: $2.31BQ1 2023: $3.86BQ2 2023: $5.41BQ3 2023: $4.85BQ4 2023: $3.81BQ1 2024: $3.37BQ2 2024: $4.35BQ3 2024: $3.17BQ4 2024: $2.16BQ1 2025: $1.54BQ2 2025: $2.20BQ3 2025: $2.96BQ4 2025: $2.52BQ1 2026: $3.03BQ2 2026: $5.85B
Institutions holding ACLS and their total value by quarter
QuarterHoldersValue
Q2 2026442$5.85B
Q1 2026380$3.03B
Q4 2025373$2.52B
Q3 2025362$2.96B
Q2 2025330$2.20B
Q1 2025307$1.54B
Q4 2024325$2.16B
Q3 2024369$3.17B
Q2 2024393$4.35B
Q1 2024385$3.37B
Q4 2023421$3.81B
Q3 2023421$4.85B
Q2 2023406$5.41B
Q1 2023379$3.86B
Q4 2022327$2.31B
Q3 2022287$1.72B
Q2 2022277$1.52B
Q1 2022290$2.05B
Q4 2021254$2.05B
Q3 2021205$1.37B
Q2 2021189$1.17B
Q1 2021193$1.20B

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2023.

Institutions holding ACLS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Deutsche Bank AG18,782$3.06M0.00%−44,667−70.4%Reduced
Illinois Municipal Retirement Fund18,909$3.08M0.06%+18,909New
Nicholas Investment Partners, LP19,342$3.15M0.24%+4,516+30.5%Added
Artemis Investment Management LLP20,006$3.26M0.05%−6,123−23.4%Reduced
Kennedy Capital Management, Inc.20,266$3.30M0.08%−4,811−19.2%Reduced
State of Alaska, Department of Revenue20,343$3.32M0.04%−1,180−5.5%Reduced
Empowered Funds, LLC20,470$3.34M0.10%+19,061+1,352.8%Added
Engineers Gate Manager LP20,574$3.35M0.12%+16,822+448.3%Added
Franklin Resources Inc21,829$3.56M0.00%−1,392−6.0%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys21,940$3.58M0.03%−15,036−40.7%Reduced
Capital Fund Management S.A.23,096$3.77M0.05%−2,833−10.9%Reduced
Lazard Asset Management LLC23,303$3.80M0.01%−3,079−11.7%Reduced
Bridge City Capital, LLC23,426$3.82M1.93%−161−0.7%Reduced
New York State Teachers Retirement System23,678$3.86M0.01%+4,472+23.3%Added
Assenagon Asset Management S.A.23,946$3.90M0.01%+17,710+284.0%Added
Two Sigma Advisers, LP25,125$4.10M0.01%+2,400+10.6%Added
Gratus Capital LLC25,937$4.23M0.29%+25,937New
CFM Wealth Partners LLC26,575$4.33M1.14%+59+0.2%Added
Wells Fargo & Company26,901$4.39M0.00%−9,711−26.5%Reduced
Texas Permanent School Fund27,871$4.54M0.04%−931−3.2%Reduced
Castleark Management LLC27,890$4.55M0.23%−5,140−15.6%Reduced
LSV Asset Management28,000$4.57M0.01%−16,400−36.9%Reduced
Clark Capital Management Group, Inc.28,729$4.68M0.05%−7,600−20.9%Reduced
Castellan Group, LLC28,875$4.71M3.31%−4,985−14.7%Reduced
Eagle Asset Management Inc29,511$4.81M0.03%+11,108+60.4%Added
Thrivent Financial for Lutherans30,021$4.89M0.01%−1,271−4.1%Reduced
Cerity Partners LLC32,427$5.29M0.03%−2,491−7.1%Reduced
BTC Capital Management, Inc.32,604$5.32M0.61%−365−1.1%Reduced
AQR Capital Management LLC32,639$5.32M0.01%−13,286−28.9%Reduced
Susquehanna International Group, LLP33,962$5.54M0.01%−6,233−15.5%Reduced
Stifel Financial Corp34,545$5.63M0.01%−1,515−4.2%Reduced
Los Angeles Capital Management LLC34,852$5.68M0.02%−2,032−5.5%Reduced
California State Teachers Retirement System36,124$5.89M0.01%−3,522−8.9%Reduced
Algert Global LLC36,235$5.91M0.28%+2,240+6.6%Added
Squarepoint Ops LLC36,733$5.99M0.03%+33,150+925.2%Added
UBS Asset Management Americas Inc37,208$6.07M0.00%−6,143−14.2%Reduced
Rice Hall James & Associates, LLC37,313$6.08M0.39%−327−0.9%Reduced
Schroder Investment Management Group38,884$6.34M0.01%−22,566−36.7%Reduced
Public Sector Pension Investment Board40,562$6.61M0.05%−17,500−30.1%Reduced
Agf Management Ltd41,042$6.69M0.05%+41,042New
Rockefeller Capital Management L.P.42,004$6.85M0.03%+14,483+52.6%Added
State of Wisconsin Investment Board42,342$6.90M0.02%+2,743+6.9%Added
Mirae Asset Global Investments Co., Ltd.42,957$7.00M0.02%+26,038+153.9%Added
Penbrook Management LLC43,590$7.11M5.21%−1,035−2.3%Reduced
Renaissance Technologies LLC44,199$7.21M0.01%+27,199+160.0%Added
Pier Capital, LLC45,380$7.40M1.19%−13,857−23.4%Reduced
G2 Investment Partners Management LLC47,335$7.72M1.90%+3,980+9.2%Added
Jane Street Group, LLC48,234$7.86M0.01%+22,497+87.4%Added
Great West Life Assurance Co50,042$8.16M0.02%+231+0.5%Added
Redwood Investments, LLC50,645$8.26M1.12%−3,497−6.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.51,413$8.38M0.04%+19,666+61.9%Added
Adage Capital Partners GP, L.L.C.54,835$8.94M0.02%−40,000−42.2%Reduced
Credit Suisse AG56,591$9.23M0.01%+12,856+29.4%Added
Cubist Systematic Strategies, LLC58,257$9.50M0.12%+58,257New
AXA S.A.60,300$9.83M0.03%+5,900+10.8%Added
Twinbeech Capital LP61,933$10.1M0.19%+61,933New
New York State Common Retirement Fund62,922$10.3M0.01%+4,862+8.4%Added
California Public Employees Retirement System63,449$10.3M0.01%+15,230+31.6%Added
Paradigm Capital Management Inc64,000$10.4M0.60%00.0%Unchanged
Alliancebernstein L.P.64,285$10.5M0.00%+20,588+47.1%Added
Lisanti Capital Growth, LLC64,545$10.5M1.66%+2,100+3.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.64,887$10.6M0.03%−38,948−37.5%Reduced
Russell Investments Group, Ltd.64,894$10.6M0.02%+2,621+4.2%Added
SEI Investments Co68,418$11.2M0.02%−11,876−14.8%Reduced
Neumeier Poma Investment Counsel LLC71,585$11.7M1.14%−70,650−49.7%Reduced
Swiss National Bank72,000$11.7M0.01%+700+1.0%Added
Comerica Bank75,177$12.3M0.06%+75,177New
Citigroup Inc80,234$13.1M0.02%+46,591+138.5%Added
First Trust Advisors LP84,072$13.7M0.02%−32,293−27.8%Reduced
Royce & Associates LP85,772$14.0M0.14%−13,879−13.9%Reduced
Neuberger Berman Group LLC87,658$14.3M0.01%+58,050+196.1%Added
Amundi89,706$14.4M0.01%−935−1.0%Reduced
Rhumbline Advisers94,923$15.5M0.02%+200+0.2%Added
BNP Paribas Arbitrage, SA95,741$15.6M0.03%+75,884+382.2%Added
Voya Investment Management LLC98,579$16.1M0.02%−10,765−9.8%Reduced
Barclays PLC100,409$16.4M0.01%+73,053+267.0%Added
Legal & General Group Plc105,627$17.2M0.01%+12,379+13.3%Added
Bank of America Corp107,745$17.6M0.00%+94,150+692.5%Added
D. E. Shaw & Co., Inc.109,703$17.9M0.03%+41,193+60.1%Added
Grantham, Mayo, Van Otterloo & Co. LLC119,829$19.5M0.09%−10,677−8.2%Reduced
Prudential Financial Inc120,277$19.6M0.03%−195,253−61.9%Reduced
Allianz Asset Management GmbH122,866$20.0M0.04%+5,092+4.3%Added
Millennium Management LLC128,013$20.9M0.02%−90,315−41.4%Reduced
Victory Capital Management Inc135,304$22.1M0.03%−18,176−11.8%Reduced
Standard Life Aberdeen plc135,320$22.1M0.06%+48,409+55.7%Added
Qube Research & Technologies Ltd143,791$23.4M0.07%+143,791New
Man Group plc–$24.0M0.07%––
American Century Companies Inc156,026$25.4M0.02%+23,044+17.3%Added
Putnam Investments LLC158,809$25.9M0.04%+214+0.1%Added
UBS Group AG163,921$26.7M0.01%+38,234+30.4%Added
Jacobs Levy Equity Management, Inc172,647$28.2M0.17%+3,095+1.8%Added
Rafferty Asset Management, LLC177,394$28.9M0.17%+177,394New
Principal Financial Group Inc191,335$31.2M0.02%−24,089−11.2%Reduced
Oberweis Asset Management Inc193,559$31.6M3.35%−46,840−19.5%Reduced
Senvest Management, LLC197,806$32.3M1.26%−50,000−20.2%Reduced
Fuller & Thaler Asset Management, Inc.224,118$36.5M0.21%+17,885+8.7%Added
Allspring Global Investments Holdings, LLC228,288$37.2M0.07%−10,640−4.5%Reduced
Nuveen Asset Management, LLC237,381$38.7M0.01%+57,594+32.0%Added
Westfield Capital Management Co LP247,928$40.4M0.28%+247,928New
FMR LLC296,564$48.4M0.00%−786,509−72.6%Reduced