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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, Q3 2024

Institutional positions in Axcelis Technologies Inc as of Sep 30, 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
369
−21 vs. Q2 2024
Shares held
30.3M
+5.49M (+22.2%) vs. Q2 2024
Total value
$3.17B
−$350.2M (−10.0%) vs. Q2 2024
New holders
57
131 more added
Sold out
78
125 more reduced

3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 369 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 heldQ3 2024: $3.17B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2024.

Institutions holding ACLS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Assenagon Asset Management S.A.54,555$5.72M0.01%+30,609+127.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.58,234$6.11M0.01%+1,100+1.9%Added
Harbor Capital Advisors, Inc.60,328$6.33M0.27%+42,779+243.8%Added
California Public Employees Retirement System61,175$6.41M0.00%+270+0.4%Added
Alliancebernstein L.P.62,854$6.59M0.00%−44−0.1%Reduced
Swiss National Bank63,500$6.66M0.00%−700−1.1%Reduced
Kornitzer Capital Management Inc64,080$6.72M0.12%+15,810+32.8%Added
Royal Bank of Canada66,516$6.97M0.00%+56,276+549.6%Added
Barclays PLC68,111$7.14M0.00%−93,416−57.8%Reduced
Public Sector Pension Investment Board69,187$7.25M0.04%−2,400−3.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.72,021$7.55M0.04%−55,441−43.5%Reduced
Squarepoint Ops LLC74,469$7.81M0.03%+74,469New
UBS Asset Management Americas Inc75,299$7.90M0.00%−47,198−38.5%Reduced
Citadel Advisors LLC79,144$8.30M0.01%−81,992−50.9%Reduced
Cerity Partners LLC81,177$8.51M0.02%+915+1.1%Added
Pier Capital, LLC82,990$8.70M1.23%+41,782+101.4%Added
Kennedy Capital Management, Inc.86,914$9.11M0.20%−18,114−17.2%Reduced
Citigroup Inc88,727$9.30M0.01%−126,540−58.8%Reduced
Rhumbline Advisers90,365$9.47M0.01%−3,414−3.6%Reduced
ExodusPoint Capital Management, LP95,475$10.0M0.10%+56,527+145.1%Added
Man Group plc101,655$10.7M0.03%−92,646−47.7%Reduced
SEI Investments Co104,288$10.9M0.01%+29,597+39.6%Added
Neumeier Poma Investment Counsel LLC104,515$11.0M1.04%−67,890−39.4%Reduced
First Trust Advisors LP106,892$11.2M0.01%+36,742+52.4%Added
Legal & General Group Plc107,290$11.2M0.00%+550+0.5%Added
Allianz Asset Management GmbH110,049$11.5M0.02%−13,957−11.3%Reduced
Neuberger Berman Group LLC112,186$11.8M0.01%+21,777+24.1%Added
Millennium Management LLC116,696$12.2M0.01%−97,381−45.5%Reduced
Oberweis Asset Management Inc118,779$12.5M0.64%+26,980+29.4%Added
Voya Investment Management LLC124,546$13.1M0.01%−77,226−38.3%Reduced
HRT Financial LP126,021$13.2M0.07%+126,021New
Weiss Asset Management LP132,322$13.9M0.35%+132,322New
UBS Group AG135,744$14.2M0.00%−23,742−14.9%Reduced
Invesco Ltd.136,835$14.3M0.00%−189,891−58.1%Reduced
Bank of America Corp152,725$16.0M0.00%−58,914−27.8%Reduced
Jane Street Group, LLC166,920$17.5M0.03%+48,532+41.0%Added
Granite Investment Partners, LLC176,174$18.5M0.79%−19,347−9.9%Reduced
JPMorgan Chase & Co178,923$18.8M0.00%−49,921−21.8%Reduced
Principal Financial Group Inc181,083$19.0M0.01%−30,476−14.4%Reduced
Marshall Wace, LLP185,672$19.5M0.03%+165,021+799.1%Added
Wellington Management Group LLP203,513$21.3M0.00%−53,386−20.8%Reduced
Massachusetts Financial Services Co231,868$24.3M0.01%−6,353−2.7%Reduced
Boston Partners245,592$25.2M0.03%+810.0%Added
Jackson Square Partners, LLC243,347$25.5M2.20%−119,596−33.0%Reduced
FMR LLC263,332$27.6M0.00%+89,453+51.4%Added
Bank of New York Mellon Corp264,796$27.8M0.01%−30,948−10.5%Reduced
Royce & Associates LP273,671$28.7M0.26%+167,235+157.1%Added
Nuveen Asset Management, LLC307,323$32.2M0.01%−433−0.1%Reduced
Charles Schwab Investment Management Inc347,023$36.4M0.01%−110,163−24.1%Reduced
Amundi424,995$41.9M0.02%+296,897+231.8%Added
Northern Trust Corp410,895$43.1M0.01%−650.0%Reduced
Norges Bank440,718$46.2M0.01%−23,461−5.1%Reduced
Paradigm Capital Management Inc476,900$50.0M2.22%+127,700+36.6%Added
Grantham, Mayo, Van Otterloo & Co. LLC495,971$52.0M0.16%+214,987+76.5%Added
Boston Trust Walden Corp506,427$53.1M0.37%+506,427New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.510,894$53.6M0.13%+55,048+12.1%Added
Price T Rowe Associates Inc526,856$55.2M0.01%−4,274−0.8%Reduced
Goldman Sachs Group Inc561,877$58.9M0.01%−140,736−20.0%Reduced
Ameriprise Financial Inc607,818$63.7M0.02%−4,141−0.7%Reduced
Dimensional Fund Advisors LP652,954$68.5M0.02%−5,158−0.8%Reduced
Morgan Stanley675,922$70.9M0.01%+38,286+6.0%Added
Reinhart Partners, Inc.687,608$72.1M2.74%+268,560+64.1%Added
American Century Companies Inc769,418$80.7M0.05%+384,237+99.8%Added
Senvest Management, LLC770,490$80.8M2.82%−28,387−3.6%Reduced
Geode Capital Management, LLC874,516$91.7M0.01%+28,141+3.3%Added
Primecap Management Co974,436$102.2M0.08%−15,360−1.6%Reduced
State Street Corp1,233,282$129.3M0.01%+18,101+1.5%Added
Vanguard Group Inc4,289,931$449.8M0.01%−92,801−2.1%Reduced
BlackRock, Inc.5,338,593$559.8M0.01%+5,338,593New
Proequities, Inc.0$00.00%−160−100.0%Sold out
Rafferty Asset Management, LLC0$00.00%−259,578−100.0%Sold out
Clark Capital Management Group, Inc.0$00.00%−201,990−100.0%Sold out
Algert Global LLC0$00.00%−52,972−100.0%Sold out
S Squared Technology, LLC0$00.00%−49,000−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−46,698−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−26,683−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−25,000−100.0%Sold out
Crown Advisors Management, Inc.0$00.00%−25,000−100.0%Sold out
CWM Advisors, LLC0$00.00%−14,479−100.0%Sold out
Redwood Investments, LLC0$00.00%−14,047−100.0%Sold out
Macquarie Group Ltd0$00.00%−13,280−100.0%Sold out
Cavalier Investments, LLC0$00.00%−11,137−100.0%Sold out
Hussman Strategic Advisors, Inc.0$00.00%−10,500−100.0%Sold out
Blackhawk Capital Partners LLC.0$00.00%−10,130−100.0%Sold out
LSV Asset Management0$00.00%−10,000−100.0%Sold out
Atria Wealth Solutions, Inc.0$00.00%−8,668−100.0%Sold out
Ardsley Advisory Partners LP0$00.00%−8,200−100.0%Sold out
Alberta Investment Management Corp0$00.00%−6,900−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−6,900−100.0%Sold out
Nissay Asset Management Corp0$00.00%−6,602−100.0%Sold out
UniSuper Management Pty Ltd0$00.00%−6,451−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−6,000−100.0%Sold out
Thrive Capital Management, LLC0$00.00%−5,132−100.0%Sold out
Williamson Legacy Group, LLC0$00.00%−4,804−100.0%Sold out
Castellan Group, LLC0$00.00%−4,700−100.0%Sold out
Simplex Trading, LLC0$00.00%−4,021−100.0%Sold out
Global X Japan Co., Ltd.0$00.00%−3,754−100.0%Sold out
Inceptionr LLC0$00.00%−3,691−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−3,180−100.0%Sold out
Change Path, LLC0$00.00%−3,025−100.0%Sold out