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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, Q1 2024

Institutional positions in Axcelis Technologies Inc as of Mar 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
385
−35 vs. Q4 2023
Shares held
30.2M
+1.02M (+3.5%) vs. Q4 2023
Total value
$3.37B
−$416.8M (−11.0%) vs. Q4 2023
New holders
60
116 more added
Sold out
95
163 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 385 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 heldQ1 2024: $3.37B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q4 2023.

Institutions holding ACLS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
STRS Ohio6,800$758.0K0.00%−2,100−23.6%Reduced
Blackhawk Capital Partners LLC.6,871$766.3K0.48%+6,871New
Alberta Investment Management Corp6,900$769.5K0.01%00.0%Unchanged
Commonwealth Equity Services, LLC6,959$776.0K0.00%−98−1.4%Reduced
Handelsbanken Fonder AB7,000$781.0K0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,058$787.1K0.01%−9−0.1%Reduced
SG Americas Securities, LLC7,097$791.0K0.00%+7,097New
Atria Wealth Solutions, Inc.7,306$814.8K0.01%−3,205−30.5%Reduced
Eagle Bay Advisors LLC7,310$815.2K0.51%+125+1.7%Added
North Star Investment Management Corp.7,392$824.4K0.06%00.0%Unchanged
Dynamic Technology Lab Private Ltd7,521$839.0K0.09%−17,086−69.4%Reduced
Raymond James & Associates7,881$878.9K0.00%−4,578−36.7%Reduced
Walleye Trading LLC8,162$910.2K0.01%+4,381+115.9%Added
Winton Group Ltd8,191$913.5K0.06%+5,050+160.8%Added
Moors & Cabot, Inc.8,219$916.6K0.05%+200+2.5%Added
Hancock Whitney Corp8,245$919.5K0.03%−146−1.7%Reduced
Van Hulzen Asset Management, LLC8,624$962.0K0.06%+8,624New
Oregon Public Employees Retirement Fund8,789$980.1K0.02%−800−8.3%Reduced
Gotham Asset Management, LLC8,849$986.8K0.01%+6,737+319.0%Added
Warren Averett Asset Management, LLC8,886$991.0K0.02%+8,886New
Summit Global Investments8,972$1.00M0.07%+8,972New
Arizona State Retirement System9,000$1.00M0.01%−174−1.9%Reduced
Bank Julius Baer & Co. Ltd, Zurich9,044$1.01M0.00%−795−8.1%Reduced
Globeflex Capital L P9,116$1.02M0.10%−222−2.4%Reduced
Vestcor Inc9,127$1.02M0.03%−4,456−32.8%Reduced
Cetera Investment Advisers9,272$1.03M0.00%+7,542+436.0%Added
Two Sigma Investments, LP9,401$1.05M0.00%−34,313−78.5%Reduced
Legato Capital Management LLC9,435$1.05M0.13%−1,098−10.4%Reduced
Advisor Group Holdings, Inc.10,099$1.13M0.00%−20,977−67.5%Reduced
Wolverine Trading, LLC10,099$1.13M0.01%+2,708+36.6%Added
Amalgamated Bank10,364$1.16M0.01%−3,639−26.0%Reduced
Aigen Investment Management, LP10,424$1.16M0.25%−12,436−54.4%Reduced
Guggenheim Capital LLC10,470$1.17M0.01%−11,176−51.6%Reduced
Hussman Strategic Advisors, Inc.10,500$1.17M0.27%00.0%Unchanged
Teachers Retirement System of the State of Kentucky10,699$1.19M0.01%−5,016−31.9%Reduced
Maryland State Retirement & Pension System11,778$1.20M0.02%−124−1.0%Reduced
FORA Capital, LLC10,802$1.20M0.10%−4,565−29.7%Reduced
Cavalier Investments, LLC10,827$1.21M0.44%+569+5.5%Added
Lazard Asset Management LLC10,866$1.21M0.00%−20,507−65.4%Reduced
RE Advisers Corp11,000$1.23M0.03%+11,000New
Seven Eight Capital, LP11,009$1.23M0.13%−17,256−61.1%Reduced
Walleye Capital LLC11,501$1.28M0.01%+8,470+279.4%Added
ExodusPoint Capital Management, LP11,533$1.29M0.02%−10,797−48.4%Reduced
CWM Advisors, LLC11,537$1.29M0.13%−3,982−25.7%Reduced
ProShare Advisors LLC11,597$1.29M0.00%+1,861+19.1%Added
Federation des caisses Desjardins du Quebec11,735$1.31M0.01%+2,442+26.3%Added
Virtu Financial LLC12,467$1.39M0.11%+9,199+281.5%Added
TD Asset Management Inc12,600$1.41M0.00%+2,500+24.8%Added
State Board of Administration of Florida Retirement System10,740$1.43M0.00%+1,430+15.4%Added
Federated Hermes, Inc.13,273$1.48M0.00%−7,342−35.6%Reduced
Ensign Peak Advisors, Inc13,366$1.49M0.00%−674−4.8%Reduced
Van Eck Associates Corp13,738$1.53M0.00%+3,674+36.5%Added
Comerica Bank13,900$1.55M0.01%−50,708−78.5%Reduced
Russell Investments Group, Ltd.14,009$1.56M0.00%−1,485−9.6%Reduced
Centiva Capital, LP14,079$1.57M0.09%−3,227−18.6%Reduced
Allspring Global Investments Holdings, LLC14,594$1.63M0.00%−222,264−93.8%Reduced
Dana Investment Advisors, Inc.14,606$1.63M0.05%+3,233+28.4%Added
Yousif Capital Management, LLC14,733$1.64M0.02%−2,313−13.6%Reduced
Crown Advisors Management, Inc.15,000$1.67M1.01%00.0%Unchanged
Louisiana State Employees Retirement System16,200$1.81M0.04%−200−1.2%Reduced
MetLife Investment Management16,752$1.87M0.01%−304−1.8%Reduced
State of Tennessee, Treasury Department16,892$1.88M0.01%−3,242−16.1%Reduced
American International Group, Inc.17,591$1.96M0.01%−159−0.9%Reduced
Isthmus Partners, LLC17,763$1.98M0.22%+17,763New
Manufacturers Life Insurance Company, The18,367$2.05M0.00%+1,385+8.2%Added
Illinois Municipal Retirement Fund18,639$2.08M0.03%−994−5.1%Reduced
LSV Asset Management18,776$2.09M0.00%−8,524−31.2%Reduced
Susquehanna Fundamental Investments, LLC19,160$2.14M0.10%+19,160New
State of Alaska, Department of Revenue19,910$2.22M0.03%−236−1.2%Reduced
Two Sigma Advisers, LP20,400$2.28M0.01%−6,100−23.0%Reduced
Redwood Investments, LLC20,821$2.29M0.67%+7,430+55.5%Added
FMR LLC21,644$2.41M0.00%−145,364−87.0%Reduced
AXA S.A.22,047$2.46M0.01%−18,153−45.2%Reduced
D. E. Shaw & Co., Inc.22,116$2.47M0.00%−53,116−70.6%Reduced
Danske Bank A/S22,169$2.47M0.01%+22,169New
Mutual of America Capital Management LLC22,303$2.49M0.03%−1,456−6.1%Reduced
New York State Common Retirement Fund23,083$2.57M0.00%−16,578−41.8%Reduced
Royal Bank of Canada23,705$2.64M0.00%−2,991−11.2%Reduced
Assenagon Asset Management S.A.23,946$2.67M0.01%00.0%Unchanged
Graham Capital Management, L.P.24,571$2.74M0.08%+22,821+1,304.1%Added
Colony Group, LLC24,802$2.77M0.02%+24,802New
Healthcare of Ontario Pension Plan Trust Fund25,000$2.79M0.01%−27,927−52.8%Reduced
State of New Jersey Common Pension Fund D25,188$2.81M0.01%+5,289+26.6%Added
New York State Teachers Retirement System25,271$2.82M0.01%−1,548−5.8%Reduced
LPL Financial LLC26,047$2.90M0.00%+3,496+15.5%Added
CFM Wealth Partners LLC26,263$2.93M0.59%−246−0.9%Reduced
Thrivent Financial for Lutherans28,355$3.16M0.01%−2,454−8.0%Reduced
Texas Permanent School Fund28,606$3.19M0.03%+317+1.1%Added
Janney Montgomery Scott LLC29,006$3.23M0.01%+17,084+143.3%Added
Wells Fargo & Company30,566$3.41M0.00%+2,295+8.1%Added
Bridge City Capital, LLC31,122$3.47M1.26%+4,534+17.1%Added
Kornitzer Capital Management Inc32,070$3.58M0.07%+32,070New
Stifel Financial Corp32,564$3.63M0.00%−1,278−3.8%Reduced
California State Teachers Retirement System32,934$3.67M0.00%−1,672−4.8%Reduced
Los Angeles Capital Management LLC34,264$3.82M0.01%+4,339+14.5%Added
Rice Hall James & Associates, LLC34,317$3.83M0.22%−1,730−4.8%Reduced
Envestnet Asset Management Inc35,756$3.99M0.00%+1,573+4.6%Added
UBS Asset Management Americas Inc36,903$4.12M0.00%−2,167−5.5%Reduced
Great West Life Assurance Co38,476$4.29M0.01%−10,649−21.7%Reduced
Jane Street Group, LLC39,981$4.46M0.01%−46,026−53.5%Reduced