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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; 443 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: 443 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 2026443$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
Susquehanna Fundamental Investments, LLC20,347$1.42M0.02%+20,347New
MetLife Investment Management19,885$1.39M0.01%+1,095+5.8%Added
Two Sigma Investments, LP19,635$1.37M0.00%+12,335+169.0%Added
Penbrook Management LLC19,565$1.37M0.93%00.0%Unchanged
New York State Teachers Retirement System19,305$1.35M0.00%−300−1.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.18,547$1.30M0.00%+731+4.1%Added
State of Alaska, Department of Revenue18,504$1.29M0.01%−110−0.6%Reduced
Manufacturers Life Insurance Company, The18,306$1.28M0.00%−389−2.1%Reduced
Rockefeller Capital Management L.P.18,088$1.26M0.00%+18,088New
Victory Capital Management Inc17,529$1.22M0.00%−11,588−39.8%Reduced
Corebridge Financial, Inc.17,344$1.21M0.01%−1,358−7.3%Reduced
ProShare Advisors LLC17,066$1.19M0.00%+3,314+24.1%Added
Illinois Municipal Retirement Fund16,983$1.19M0.02%−1,202−6.6%Reduced
Jain Global LLC16,880$1.18M0.04%+16,880New
HSBC Holdings PLC16,823$1.18M0.00%−26,214−60.9%Reduced
Globeflex Capital L P16,846$1.18M0.10%+2,419+16.8%Added
Quest Partners LLC16,809$1.17M0.16%+12,834+322.9%Added
Janney Montgomery Scott LLC15,993$1.12M0.00%−16,057−50.1%Reduced
Louisiana State Employees Retirement System15,700$1.10M0.02%−100−0.6%Reduced
Chase Investment Counsel Corp15,000$1.05M0.34%+15,000New
Winton Group Ltd14,848$1.04M0.07%+5,763+63.4%Added
Four Tree Island Advisory LLC14,791$1.03M0.71%+14,791New
Colony Group, LLC14,403$1.01M0.00%−20,960−59.3%Reduced
State of Tennessee, Treasury Department13,893$970.7K0.00%−2,329−14.4%Reduced
Schonfeld Strategic Advisors LLC13,824$965.9K0.01%+8,356+152.8%Added
Bridgewater Associates, LP13,678$955.7K0.00%−5,367−28.2%Reduced
Ensign Peak Advisors, Inc13,366$933.9K0.00%00.0%Unchanged
Aquatic Capital Management LLC12,947$904.6K0.02%+12,947New
FORA Capital, LLC12,935$903.8K0.10%+12,935New
Yousif Capital Management, LLC12,338$862.1K0.01%−270−2.1%Reduced
Comerica Bank11,535$805.9K0.00%−102−0.9%Reduced
Bridges Investment Management Inc11,204$782.8K0.01%+6,084+118.8%Added
Maryland State Retirement & Pension System10,931$763.7K0.02%−84−0.8%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
Russell Investments Group, Ltd.10,514$734.6K0.00%−1,746−14.2%Reduced
Handelsbanken Fonder AB10,200$713.0K0.00%−200−1.9%Reduced
New York State Common Retirement Fund10,150$709.2K0.00%−22,641−69.0%Reduced
Amalgamated Bank9,603$671.0K0.01%00.0%Unchanged
Arizona State Retirement System9,452$660.4K0.00%+84+0.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)9,129$637.8K0.00%+3,106+51.6%Added
Guggenheim Capital LLC9,023$630.4K0.01%−2,437−21.3%Reduced
Vestcor Inc8,892$621.0K0.02%+3,106+53.7%Added
Occudo Quantitative Strategies LP8,871$619.8K0.11%+8,871New
Cambridge Investment Research Advisors, Inc.8,804$615.0K0.00%−791−8.2%Reduced
Los Angeles Capital Management LLC8,597$600.7K0.00%−13,702−61.4%Reduced
Inceptionr LLC8,519$595.2K0.13%+8,519New
Skandinaviska Enskilda Banken AB (publ)8,232$576.5K0.00%+1,453+21.4%Added
Aviva PLC8,132$568.2K0.00%+1,877+30.0%Added
Pathstone Holdings, LLC8,096$565.7K0.00%+13+0.2%Added
Nebula Research & Development LLC8,012$559.8K0.07%+8,012New
Atom Investors LP7,910$552.7K0.07%+7,910New
Peterson Wealth Services7,693$537.5K0.16%+868+12.7%Added
Oregon Public Employees Retirement Fund7,660$535.2K0.01%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
North Star Investment Management Corp.7,392$516.5K0.04%00.0%Unchanged
Eagle Bay Advisors LLC7,310$510.8K0.32%00.0%Unchanged
Western Wealth Management, LLC7,300$510.1K0.03%+7,300New
Bank Julius Baer & Co. Ltd, Zurich6,503$501.4K0.00%+517+8.6%Added
State Board of Administration of Florida Retirement System7,100$496.1K0.00%00.0%Unchanged
Landscape Capital Management, L.L.C.7,075$494.3K0.05%+1,621+29.7%Added
Moors & Cabot, Inc.7,010$489.8K0.02%−1,300−15.6%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys6,940$484.9K0.00%−32−0.5%Reduced
Police & Firemen's Retirement System of New Jersey6,939$484.8K0.00%+6,939New
White Pine Capital LLC6,900$482.1K0.16%−100−1.4%Reduced
Petrus Trust Company, LTA6,777$473.5K0.05%−898−11.7%Reduced
Federation des caisses Desjardins du Quebec6,727$470.0K0.00%−9,149−57.6%Reduced
Bryce Point Capital, LLC6,680$466.7K0.14%+6,680New
Empowered Funds, LLC6,655$465.0K0.01%+6,655New
Sherbrooke Park Advisers LLC6,526$456.0K0.15%+6,526New
Campbell & CO Investment Adviser LLC6,523$455.8K0.04%+6,523New
KLP Kapitalforvaltning AS6,500$454.2K0.00%+6,500New
Abn Amro Investment Solutions6,341$443.0K0.01%+505+8.7%Added
Private Advisor Group, LLC6,065$423.8K0.00%+6,065New
Oppenheimer & Co Inc6,007$419.7K0.01%+1,307+27.8%Added
Mackenzie Financial Corp5,887$411.3K0.00%+3,831+186.3%Added
Fieldview Capital Management, LLC5,704$398.5K0.06%+5,704New
Raymond James Financial Inc5,688$397.4K0.00%+5,688New
Tudor Investment Corp Et Al5,630$393.4K0.00%−5,810−50.8%Reduced
State of Wyoming5,573$389.4K0.05%−777−12.2%Reduced
CSS LLC5,506$384.7K0.02%+5,506New
Eventide Asset Management, LLC5,276$368.6K0.01%00.0%Unchanged
JustInvest LLC5,203$363.5K0.01%+1,955+60.2%Added
Graham Capital Management, L.P.5,178$361.8K0.01%+2,363+83.9%Added
Hancock Whitney Corp5,045$352.5K0.01%−1,579−23.8%Reduced
Mutual of America Capital Management LLC4,924$344.0K0.00%+18+0.4%Added
Pictet Asset Management Holding SA4,896$342.1K0.00%+762+18.4%Added
D.A. Davidson & Co.4,887$341.5K0.00%+4,887New
Everence Capital Management Inc4,880$341.0K0.02%−700−12.5%Reduced
STRS Ohio4,800$335.4K0.00%00.0%Unchanged
Woodline Partners LP4,615$322.4K0.00%+2,098+83.4%Added
Bank of Montreal4,540$317.2K0.00%+170+3.9%Added
Oppenheimer Asset Management Inc.4,492$313.9K0.00%+1,056+30.7%Added
New Vernon Capital Holdings II LLC4,420$308.8K0.21%+4,420New
Wealth Enhancement Advisory Services, LLC4,264$297.9K0.00%+4,264New
SkyOak Wealth, LLC4,037$282.1K0.06%+31+0.8%Added
Firsthand Capital Management, Inc.4,000$279.5K0.58%00.0%Unchanged
Fox Run Management, L.L.C.3,978$277.9K0.05%−3,255−45.0%Reduced
James Investment Research Inc3,976$277.8K0.03%00.0%Unchanged