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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, 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: 327 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 heldQ4 2022: $2.31B
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, 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
Fuller & Thaler Asset Management, Inc.171,656$13.6M0.09%−3,484−2.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.184,872$14.7M0.05%+6,812+3.8%Added
Principal Financial Group Inc214,594$17.0M0.01%+2,718+1.3%Added
Royce & Associates LP224,552$17.8M0.19%+20,563+10.1%Added
Neumeier Poma Investment Counsel LLC264,160$21.0M1.95%+264,160New
Oberweis Asset Management Inc279,549$22.2M4.72%+26,330+10.4%Added
Bank of New York Mellon Corp296,873$23.6M0.01%−27,206−8.4%Reduced
LSV Asset Management299,700$23.8M0.05%−1,400−0.5%Reduced
Arrowstreet Capital, Limited Partnership321,634$25.5M0.04%+46,523+16.9%Added
Charles Schwab Investment Management Inc335,467$26.6M0.01%+6,197+1.9%Added
Assenagon Asset Management S.A.338,708$26.9M0.11%−239,179−41.4%Reduced
Morgan Stanley356,058$28.3M0.00%+2,763+0.8%Added
Victory Capital Management Inc362,761$28.8M0.03%+19,095+5.6%Added
Goldman Sachs Group Inc365,787$29.0M0.01%−97,324−21.0%Reduced
Northern Trust Corp373,765$29.7M0.01%+4,531+1.2%Added
Price T Rowe Associates Inc518,151$41.1M0.01%+58,055+12.6%Added
Invesco Ltd.523,153$41.5M0.01%−322−0.1%Reduced
Geode Capital Management, LLC612,576$48.6M0.01%+21,220+3.6%Added
FMR LLC1,038,650$82.4M0.01%+1,025,090+7,559.7%Added
State Street Corp1,096,587$87.0M0.01%−36,081−3.2%Reduced
Wellington Management Group LLP1,101,309$87.4M0.02%+71,930+7.0%Added
Driehaus Capital Management LLC1,133,457$90.0M1.34%+450,382+65.9%Added
Primecap Management Co1,275,306$101.2M0.09%−374,160−22.7%Reduced
Dimensional Fund Advisors LP1,385,592$110.0M0.04%−18,171−1.3%Reduced
Senvest Management, LLC1,786,434$141.8M4.83%+275,974+18.3%Added
Vanguard Group Inc3,012,232$239.1M0.01%+55,058+1.9%Added
BlackRock Inc.5,310,982$421.5M0.01%+154,617+3.0%Added
Pacer Advisors, Inc.0$00.00%−99,021−100.0%Sold out
Man Group plc0$00.00%−45,334−100.0%Sold out
Millennium Management LLC0$00.00%−43,720−100.0%Sold out
Renaissance Technologies LLC0$00.00%−43,372−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−40,310−100.0%Sold out
Macquarie Group Ltd0$00.00%−37,769−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−35,665−100.0%Sold out
Beck Capital Management, LLC0$00.00%−22,650−100.0%Sold out
Stephens Inc0$00.00%−9,200−100.0%Sold out
Alpha DNA Investment Management LLC0$00.00%−8,528−100.0%Sold out
Gyon Technologies Capital Management, LP0$00.00%−5,643−100.0%Sold out
Centiva Capital, LP0$00.00%−5,236−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−5,028−100.0%Sold out
Jump Financial, LLC0$00.00%−4,900−100.0%Sold out
PEAK6 Investments LLC0$00.00%−3,897−100.0%Sold out
Convergence Investment Partners, LLC0$00.00%−2,290−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−2,100−100.0%Sold out
Quantbot Technologies LP0$00.00%−1,911−100.0%Sold out
Federated Hermes, Inc.0$00.00%−583−100.0%Sold out
Meeder Asset Management Inc0$00.00%−227−100.0%Sold out
Macroview Investment Management LLC0$00.00%−165−100.0%Sold out
Howe & Rusling Inc0$00.00%−69−100.0%Sold out
Hudock, Inc.0$00.00%−23−100.0%Sold out
Moisand Fitzgerald Tamayo, LLC0$00.00%−15−100.0%Sold out
Stonebridge Capital Advisors LLC0$00.00%−7−100.0%Sold out
Walthausen & Co., LLC––––Not filed
Maryland Capital Management––––Not filed
American Portfolios Advisors––––Not filed
Wipfli Financial Advisors LLC,––––Not filed
FourThought Financial, LLC––––Not filed