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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 2024

Institutional positions in Axcelis Technologies Inc as of Dec 31, 2024. 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
325
−41 vs. Q3 2024
Shares held
30.9M
+640.9K (+2.1%) vs. Q3 2024
Total value
$2.16B
−$1.01B (−31.8%) vs. Q3 2024
New holders
59
126 more added
Sold out
100
92 more reduced

3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 325 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 2024: $2.16B
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 2024

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q3 2024.

Institutions holding ACLS in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Edmond de Rothschild Holding S.A.1,910$133.5K0.00%+585+44.2%Added
The PNC Financial Services Group, Inc.1,933$135.1K0.00%−1,904−49.6%Reduced
Covestor Ltd1,971$138.0K0.09%+470+31.3%Added
Chilton Capital Management LLC2,000$139.7K0.01%00.0%Unchanged
Headlands Technologies LLC2,239$156.4K0.02%+2,239New
Perkins Coie Trust Co2,450$171.2K0.04%00.0%Unchanged
Advisor Group Holdings, Inc.2,659$185.8K0.00%−7,105−72.8%Reduced
Aster Capital Management (DIFC) Ltd2,845$198.8K0.08%+2,704+1,917.7%Added
PharVision Advisers, LLC2,922$204.2K0.17%+2,922New
LRI Investments, LLC2,966$207.2K0.02%+2,628+777.5%Added
Breed's Hill Capital LLC3,000$209.6K0.11%+3,000New
CIBC World Markets Corp3,048$213.0K0.00%+3,048New
Lido Advisors, LLC3,066$214.2K0.00%+3,066New
Aigen Investment Management, LP3,190$222.9K0.04%+3,190New
Qsemble Capital Management, LP3,289$229.8K0.03%+1,355+70.1%Added
Ameritas Investment Partners, Inc.3,300$230.6K0.01%00.0%Unchanged
Shell Asset Management Co3,422$239.0K0.01%00.0%Unchanged
Public Employees Retirement Association of Colorado3,457$242.0K0.00%00.0%Unchanged
Profund Advisors LLC3,608$252.1K0.01%−62−1.7%Reduced
Centiva Capital, LP3,612$252.4K0.01%−17,302−82.7%Reduced
Allspring Global Investments Holdings, LLC3,671$256.5K0.00%+8+0.2%Added
ARGA Investment Management, LP3,696$258.2K0.01%00.0%Unchanged
Essex Investment Management Co LLC3,725$260.3K0.05%00.0%Unchanged
Mariner, LLC3,748$261.9K0.00%−320−7.9%Reduced
Twinbeech Capital LP3,844$268.6K0.00%+3,844New
James Investment Research Inc3,976$277.8K0.03%00.0%Unchanged
Fox Run Management, L.L.C.3,978$277.9K0.05%−3,255−45.0%Reduced
Firsthand Capital Management, Inc.4,000$279.5K0.58%00.0%Unchanged
SkyOak Wealth, LLC4,037$282.1K0.06%+31+0.8%Added
Wealth Enhancement Advisory Services, LLC4,264$297.9K0.00%+4,264New
New Vernon Capital Holdings II LLC4,420$308.8K0.21%+4,420New
Oppenheimer Asset Management Inc.4,492$313.9K0.00%+1,056+30.7%Added
Bank of Montreal4,540$317.2K0.00%+170+3.9%Added
Woodline Partners LP4,615$322.4K0.00%+2,098+83.4%Added
STRS Ohio4,800$335.4K0.00%00.0%Unchanged
Everence Capital Management Inc4,880$341.0K0.02%−700−12.5%Reduced
D.A. Davidson & Co.4,887$341.5K0.00%+4,887New
Pictet Asset Management Holding SA4,896$342.1K0.00%+762+18.4%Added
Mutual of America Capital Management LLC4,924$344.0K0.00%+18+0.4%Added
Hancock Whitney Corp5,045$352.5K0.01%−1,579−23.8%Reduced
Graham Capital Management, L.P.5,178$361.8K0.01%+2,363+83.9%Added
JustInvest LLC5,203$363.5K0.01%+1,955+60.2%Added
Eventide Asset Management, LLC5,276$368.6K0.01%00.0%Unchanged
CSS LLC5,506$384.7K0.02%+5,506New
State of Wyoming5,573$389.4K0.05%−777−12.2%Reduced
Tudor Investment Corp Et Al5,630$393.4K0.00%−5,810−50.8%Reduced
Raymond James Financial Inc5,688$397.4K0.00%+5,688New
Fieldview Capital Management, LLC5,704$398.5K0.06%+5,704New
Mackenzie Financial Corp5,887$411.3K0.00%+3,831+186.3%Added
Oppenheimer & Co Inc6,007$419.7K0.01%+1,307+27.8%Added
Private Advisor Group, LLC6,065$423.8K0.00%+6,065New
Abn Amro Investment Solutions6,341$443.0K0.01%+505+8.7%Added
KLP Kapitalforvaltning AS6,500$454.2K0.00%+6,500New
Campbell & CO Investment Adviser LLC6,523$455.8K0.04%+6,523New
Sherbrooke Park Advisers LLC6,526$456.0K0.15%+6,526New
Empowered Funds, LLC6,655$465.0K0.01%+6,655New
Bryce Point Capital, LLC6,680$466.7K0.14%+6,680New
Federation des caisses Desjardins du Quebec6,727$470.0K0.00%−9,149−57.6%Reduced
Petrus Trust Company, LTA6,777$473.5K0.05%−898−11.7%Reduced
White Pine Capital LLC6,900$482.1K0.16%−100−1.4%Reduced
Police & Firemen's Retirement System of New Jersey6,939$484.8K0.00%+6,939New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys6,940$484.9K0.00%−32−0.5%Reduced
Moors & Cabot, Inc.7,010$489.8K0.02%−1,300−15.6%Reduced
Landscape Capital Management, L.L.C.7,075$494.3K0.05%+1,621+29.7%Added
State Board of Administration of Florida Retirement System7,100$496.1K0.00%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich6,503$501.4K0.00%+517+8.6%Added
Western Wealth Management, LLC7,300$510.1K0.03%+7,300New
Eagle Bay Advisors LLC7,310$510.8K0.32%00.0%Unchanged
North Star Investment Management Corp.7,392$516.5K0.04%00.0%Unchanged
Dynamic Technology Lab Private Ltd7,629$533.0K0.09%−4,805−38.6%Reduced
SG Americas Securities, LLC7,630$533.0K0.00%+738+10.7%Added
Oregon Public Employees Retirement Fund7,660$535.2K0.01%00.0%Unchanged
Peterson Wealth Services7,693$537.5K0.16%+868+12.7%Added
Atom Investors LP7,910$552.7K0.07%+7,910New
Nebula Research & Development LLC8,012$559.8K0.07%+8,012New
Pathstone Holdings, LLC8,096$565.7K0.00%+13+0.2%Added
Aviva PLC8,132$568.2K0.00%+1,877+30.0%Added
Skandinaviska Enskilda Banken AB (publ)8,232$576.5K0.00%+1,453+21.4%Added
Inceptionr LLC8,519$595.2K0.13%+8,519New
Los Angeles Capital Management LLC8,597$600.7K0.00%−13,702−61.4%Reduced
Cambridge Investment Research Advisors, Inc.8,804$615.0K0.00%−791−8.2%Reduced
Occudo Quantitative Strategies LP8,871$619.8K0.11%+8,871New
Vestcor Inc8,892$621.0K0.02%+3,106+53.7%Added
Guggenheim Capital LLC9,023$630.4K0.01%−2,437−21.3%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)9,129$637.8K0.00%+3,106+51.6%Added
Arizona State Retirement System9,452$660.4K0.00%+84+0.9%Added
Amalgamated Bank9,603$671.0K0.01%00.0%Unchanged
New York State Common Retirement Fund10,150$709.2K0.00%−22,641−69.0%Reduced
Handelsbanken Fonder AB10,200$713.0K0.00%−200−1.9%Reduced
Russell Investments Group, Ltd.10,514$734.6K0.00%−1,746−14.2%Reduced
Teachers Retirement System of the State of Kentucky10,699$747.0K0.01%00.0%Unchanged
Commonwealth Equity Services, LLC10,686$747.0K0.00%+1,008+10.4%Added
Maryland State Retirement & Pension System10,931$763.7K0.02%−84−0.8%Reduced
Bridges Investment Management Inc11,204$782.8K0.01%+6,084+118.8%Added
Comerica Bank11,535$805.9K0.00%−102−0.9%Reduced
Yousif Capital Management, LLC12,338$862.1K0.01%−270−2.1%Reduced
FORA Capital, LLC12,935$903.8K0.10%+12,935New
Aquatic Capital Management LLC12,947$904.6K0.02%+12,947New
Ensign Peak Advisors, Inc13,366$933.9K0.00%00.0%Unchanged
Bridgewater Associates, LP13,678$955.7K0.00%−5,367−28.2%Reduced