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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; 441 institutions reported holding it in 13F filings for Q2 2026, worth $5.87B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q4 2022

Institutional positions in Axcelis Technologies Inc as of Dec 31, 2022. 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
327
+45 vs. Q3 2022
Shares held
29.3M
+944.6K (+3.3%) vs. Q3 2022
Total value
$2.31B
+$598.4M (+34.9%) vs. Q3 2022
New holders
70
86 more added
Sold out
25
122 more reduced

5 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 holdersQ4 2022: 328 institutions
Q1 2021: 192 institutionsQ2 2021: 188 institutionsQ3 2021: 204 institutionsQ4 2021: 254 institutionsQ1 2022: 290 institutionsQ2 2022: 277 institutionsQ3 2022: 287 institutionsQ4 2022: 328 institutionsQ1 2023: 379 institutionsQ2 2023: 406 institutionsQ3 2023: 421 institutionsQ4 2023: 421 institutionsQ1 2024: 384 institutionsQ2 2024: 392 institutionsQ3 2024: 369 institutionsQ4 2024: 325 institutionsQ1 2025: 307 institutionsQ2 2025: 330 institutionsQ3 2025: 362 institutionsQ4 2025: 373 institutionsQ1 2026: 380 institutionsQ2 2026: 441 institutions
Value heldQ4 2022: $2.32B
Q1 2021: $1.20BQ2 2021: $1.17BQ3 2021: $1.37BQ4 2021: $2.06BQ1 2022: $2.05BQ2 2022: $1.52BQ3 2022: $1.72BQ4 2022: $2.32BQ1 2023: $4.00BQ2 2023: $5.41BQ3 2023: $4.85BQ4 2023: $3.95BQ1 2024: $3.57BQ2 2024: $4.38BQ3 2024: $3.19BQ4 2024: $2.16BQ1 2025: $1.54BQ2 2025: $2.22BQ3 2025: $2.98BQ4 2025: $2.52BQ1 2026: $3.03BQ2 2026: $5.87B
Institutions holding ACLS and their total value by quarter
QuarterHoldersValue
Q2 2026441$5.87B
Q1 2026380$3.03B
Q4 2025373$2.52B
Q3 2025362$2.98B
Q2 2025330$2.22B
Q1 2025307$1.54B
Q4 2024325$2.16B
Q3 2024369$3.19B
Q2 2024392$4.38B
Q1 2024384$3.57B
Q4 2023421$3.95B
Q3 2023421$4.85B
Q2 2023406$5.41B
Q1 2023379$4.00B
Q4 2022328$2.32B
Q3 2022287$1.72B
Q2 2022277$1.52B
Q1 2022290$2.05B
Q4 2021254$2.06B
Q3 2021204$1.37B
Q2 2021188$1.17B
Q1 2021192$1.20B

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q3 2022.

Institutions holding ACLS in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.5,310,982$421.5M0.01%+154,617+3.0%Added
Vanguard Group Inc3,012,232$239.1M0.01%+55,058+1.9%Added
Senvest Management, LLC1,786,434$141.8M4.83%+275,974+18.3%Added
Dimensional Fund Advisors LP1,385,592$110.0M0.03%−18,171−1.3%Reduced
Primecap Management Co1,275,306$101.2M0.09%−374,160−22.7%Reduced
Driehaus Capital Management LLC1,133,457$90.0M1.34%+450,382+65.9%Added
Wellington Management Group LLP1,101,309$87.4M0.02%+71,930+7.0%Added
State Street Corp1,096,587$87.0M0.01%−36,081−3.2%Reduced
FMR LLC1,038,650$82.4M0.01%+1,025,090+7,559.7%Added
Geode Capital Management, LLC612,576$48.6M0.01%+21,220+3.6%Added
Invesco Ltd.523,153$41.5M0.01%−322−0.1%Reduced
Price T Rowe Associates Inc518,151$41.1M0.01%+58,055+12.6%Added
Northern Trust Corp373,765$29.7M0.01%+4,531+1.2%Added
Goldman Sachs Group Inc365,787$29.0M0.01%−97,324−21.0%Reduced
Victory Capital Management Inc362,761$28.8M0.03%+19,095+5.6%Added
Morgan Stanley356,058$28.3M0.00%+2,763+0.8%Added
Assenagon Asset Management S.A.338,708$26.9M0.11%−239,179−41.4%Reduced
Charles Schwab Investment Management Inc335,467$26.6M0.01%+6,197+1.9%Added
Arrowstreet Capital, Limited Partnership321,634$25.5M0.04%+46,523+16.9%Added
LSV Asset Management299,700$23.8M0.05%−1,400−0.5%Reduced
Bank of New York Mellon Corp296,873$23.6M0.01%−27,206−8.4%Reduced
Oberweis Asset Management Inc279,549$22.2M4.72%+26,330+10.4%Added
Neumeier Poma Investment Counsel LLC264,160$21.0M1.95%+264,160New
Royce & Associates LP224,552$17.8M0.19%+20,563+10.1%Added
Principal Financial Group Inc214,594$17.0M0.01%+2,718+1.3%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.184,872$14.7M0.05%+6,812+3.8%Added
Fuller & Thaler Asset Management, Inc.171,656$13.6M0.09%−3,484−2.0%Reduced
Allianz Asset Management GmbH169,341$13.4M0.03%−51,145−23.2%Reduced
Hood River Capital Management LLC168,365$13.4M0.49%+168,365New
Nuveen Asset Management, LLC159,121$12.6M0.00%+40,718+34.4%Added
UBS Group AG159,097$12.6M0.01%−2,073−1.3%Reduced
Adage Capital Partners GP, L.L.C.158,000$12.5M0.03%−95,000−37.5%Reduced
S Squared Technology, LLC135,293$10.7M7.27%00.0%Unchanged
Ameriprise Financial Inc127,801$10.1M0.00%−6,345−4.7%Reduced
3G Capital Partners LP125,000$9.92M12.09%+125,000New
American Century Companies Inc124,270$9.86M0.01%+42,633+52.2%Added
Voya Investment Management LLC115,872$9.20M0.01%+89,976+347.5%Added
JPMorgan Chase & Co108,889$8.64M0.00%−6,268−5.4%Reduced
Lisanti Capital Growth, LLC108,800$8.63M1.18%+68,500+170.0%Added
Grantham, Mayo, Van Otterloo & Co. LLC97,084$7.70M0.04%−70,704−42.1%Reduced
Kennedy Capital Management, Inc.92,415$7.33M0.21%−10,044−9.8%Reduced
Rhumbline Advisers90,882$7.21M0.01%+1,350+1.5%Added
Amundi72,000$6.87M0.00%00.0%Unchanged
Paradigm Capital Management Inc84,000$6.67M0.44%−10,000−10.6%Reduced
Legal & General Group Plc81,959$6.50M0.00%+1,389+1.7%Added
Rice Hall James & Associates, LLC81,261$6.45M0.37%−49,059−37.6%Reduced
Swiss National Bank79,700$6.32M0.00%+1,400+1.8%Added
Bank of America Corp72,033$5.72M0.00%+31,333+77.0%Added
New York State Common Retirement Fund67,787$5.38M0.01%+18,133+36.5%Added
First Eagle Investment Management, LLC64,298$5.10M0.01%−950−1.5%Reduced
First Trust Advisors LP63,101$5.01M0.01%+15,504+32.6%Added
Public Sector Pension Investment Board59,762$4.74M0.04%−790−1.3%Reduced
Pier Capital, LLC58,438$4.64M0.76%−60,480−50.9%Reduced
ClariVest Asset Management LLC57,657$4.58M0.22%−181−0.3%Reduced
Putnam Investments LLC57,647$4.57M0.01%+26,109+82.8%Added
Castellan Group, LLC55,115$4.37M3.05%−570−1.0%Reduced
Russell Investments Group, Ltd.53,892$4.28M0.01%+15,077+38.8%Added
Los Angeles Capital Management LLC53,081$4.21M0.02%−7,689−12.7%Reduced
SEI Investments Co52,721$4.18M0.01%−5,432−9.3%Reduced
AXA S.A.52,600$4.17M0.02%+400+0.8%Added
Norges Bank51,436$4.08M0.00%−61,080−54.3%Reduced
State of Wisconsin Investment Board50,317$3.99M0.01%−2,035−3.9%Reduced
Penbrook Management LLC47,675$3.78M3.22%00.0%Unchanged
Comerica Bank36,716$3.75M0.03%−5,830−13.7%Reduced
Prudential Financial Inc46,635$3.70M0.01%−371−0.8%Reduced
Hussman Strategic Advisors, Inc.46,500$3.69M0.60%00.0%Unchanged
Alliancebernstein L.P.45,174$3.59M0.00%−61−0.1%Reduced
Great West Life Assurance Co44,267$3.52M0.01%−2,366−5.1%Reduced
Hillsdale Investment Management Inc.43,600$3.46M0.29%−58,300−57.2%Reduced
EAM Global Investors LLC42,874$3.40M0.88%+24,504+133.4%Added
Credit Suisse AG42,798$3.40M0.00%+1,445+3.5%Added
California State Teachers Retirement System41,789$3.32M0.01%+470+1.1%Added
Janus Henderson Group PLC40,275$3.20M0.00%+418+1.0%Added
Teachers Retirement System of the State of Kentucky39,035$3.10M0.03%−131−0.3%Reduced
Lazard Asset Management LLC37,774$3.00M0.00%−26,974−41.7%Reduced
Clark Capital Management Group, Inc.35,898$2.85M0.03%−12,168−25.3%Reduced
Jacobs Levy Equity Management, Inc35,642$2.83M0.02%−104,930−74.6%Reduced
NewSquare Capital LLC35,380$2.81M0.35%+35,380New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys35,156$2.79M0.02%+5,058+16.8%Added
Barclays PLC34,251$2.72M0.00%−238−0.7%Reduced
Gotham Asset Management, LLC34,141$2.71M0.08%−7,315−17.6%Reduced
Thrivent Financial for Lutherans33,695$2.67M0.01%−453−1.3%Reduced
Susquehanna Fundamental Investments, LLC33,592$2.67M0.05%−3,508−9.5%Reduced
Castleark Management LLC33,350$2.65M0.14%+520+1.6%Added
Qube Research & Technologies Ltd33,222$2.64M0.02%−6,606−16.6%Reduced
AQR Capital Management LLC32,610$2.59M0.01%−17,236−34.6%Reduced
Two Sigma Advisers, LP32,225$2.56M0.01%−20,575−39.0%Reduced
EAM Investors, LLC32,110$2.55M0.53%+3,692+13.0%Added
Woodline Partners LP31,716$2.52M0.03%+25,782+434.5%Added
Bridge City Capital, LLC30,529$2.42M1.24%−217−0.7%Reduced
Schroder Investment Management Group30,507$2.42M0.00%−77,037−71.6%Reduced
Silvercrest Asset Management Group LLC30,063$2.39M0.02%−13,188−30.5%Reduced
G2 Investment Partners Management LLC30,000$2.38M0.71%+30,000New
State of New Jersey Common Pension Fund D29,920$2.37M0.01%00.0%Unchanged
Stifel Financial Corp29,352$2.33M0.00%−45−0.2%Reduced
Susquehanna International Group, LLP28,811$2.29M0.00%−12,886−30.9%Reduced
HRT Financial LP28,095$2.23M0.03%+28,095New
CFM Wealth Partners LLC27,164$2.16M0.65%+63+0.2%Added
Citigroup Inc25,884$2.05M0.00%−879−3.3%Reduced
Raymond James & Associates24,434$1.94M0.00%+17,510+252.9%Added