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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, Q2 2025

Institutional positions in Axcelis Technologies Inc as of Jun 30, 2025. 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
330
+24 vs. Q1 2025
Shares held
31.5M
+443.9K (+1.4%) vs. Q1 2025
Total value
$2.20B
+$658.9M (+42.7%) vs. Q1 2025
New holders
65
107 more added
Sold out
41
108 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 330 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 heldQ2 2025: $2.20B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q1 2025.

Institutions holding ACLS in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
CIBC World Markets Corp3,973$276.9K0.00%−3,256−45.0%Reduced
Net Worth Advisory Group3,874$270.0K0.06%+3,874New
Essex Investment Management Co LLC3,725$259.6K0.05%00.0%Unchanged
Empowered Funds, LLC3,714$258.8K0.00%+3,714New
Exchange Traded Concepts, LLC3,666$255.5K0.00%−809−18.1%Reduced
CWM, LLC3,520$245.0K0.00%+1,863+112.4%Added
Lido Advisors, LLC3,504$244.2K0.00%+3,504New
Public Employees Retirement Association of Colorado3,457$241.0K0.00%00.0%Unchanged
HighTower Advisors, LLC3,367$234.6K0.00%+3,367New
Ameritas Investment Partners, Inc.3,300$230.0K0.01%00.0%Unchanged
Empirical Finance, LLC3,300$230.0K0.01%+3,300New
Two Sigma Securities, LLC3,295$229.6K0.03%+3,295New
Profund Advisors LLC3,019$210.4K0.01%+3,019New
Nisa Investment Advisors, LLC3,002$209.2K0.00%+2,206+277.1%Added
Breed's Hill Capital LLC3,000$209.1K0.10%+3,000New
Vise Technologies, Inc.2,870$200.0K0.01%+2,870New
GAMMA Investing LLC2,772$193.2K0.01%+1,196+75.9%Added
Perkins Coie Trust Co2,749$191.6K0.03%+74+2.8%Added
Advisor Group Holdings, Inc.2,748$191.5K0.00%+730+36.2%Added
Shell Asset Management Co2,648$185.0K0.01%−640−19.5%Reduced
Skandinaviska Enskilda Banken AB (publ)2,637$183.9K0.00%−342−11.5%Reduced
LRI Investments, LLC2,585$180.1K0.02%+2,255+683.3%Added
The PNC Financial Services Group, Inc.2,131$148.5K0.00%−227−9.6%Reduced
Hennessy Advisors Inc2,067$144.0K0.00%+2,067New
Advisors Asset Management, Inc.1,825$127.2K0.00%−144−7.3%Reduced
Acadian Asset Management LLC1,781$124.0K0.00%+1,781New
Virtus ETF Advisers LLC1,670$116.4K0.07%+1,670New
SG Americas Securities, LLC1,661$116.0K0.00%−6,743−80.2%Reduced
Central Trust Co1,350$94.1K0.00%+1,237+1,094.7%Added
Northwestern Mutual Wealth Management Co1,250$87.1K0.00%−50−3.8%Reduced
Principal Securities, Inc.1,151$80.2K0.00%+978+565.3%Added
Parkside Financial Bank & Trust1,105$77.0K0.01%+361+48.5%Added
KBC Group NV1,069$74.0K0.00%−486−31.3%Reduced
Versant Capital Management, Inc1,019$71.0K0.01%+435+74.5%Added
Signaturefd, LLC1,015$70.7K0.00%−279−21.6%Reduced
Future Financial Wealth Managment LLC1,000$69.7K0.05%00.0%Unchanged
New Age Alpha Advisors, LLC955$66.6K0.00%−26−2.7%Reduced
Glenmede Investment Management, LP947$66.0K0.00%+947New
Sterling Capital Management LLC811$56.5K0.00%+776+2,217.1%Added
Smartleaf Asset Management LLC807$56.2K0.00%−18−2.2%Reduced
Skopos Labs, Inc.785$54.7K0.01%+402+105.0%Added
Larson Financial Group LLC737$51.4K0.00%+453+159.5%Added
Wexford Capital LP730$50.9K0.01%+730New
Beacon Capital Management, LLC708$49.3K0.01%00.0%Unchanged
Salem Investment Counselors Inc685$47.7K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC602$42.0K0.00%−118−16.4%Reduced
Parallel Advisors, LLC545$38.0K0.00%+307+129.0%Added
Allworth Financial LP517$36.0K0.00%+31+6.4%Added
Ancora Advisors, LLC500$34.8K0.00%00.0%Unchanged
Fifth Third Bancorp489$34.1K0.00%−92−15.8%Reduced
Massmutual Trust Co FSB481$33.5K0.00%+161+50.3%Added
Quarry LP467$32.5K0.01%+467New
US Bancorp464$32.3K0.00%−504−52.1%Reduced
EverSource Wealth Advisors, LLC451$31.4K0.00%+267+145.1%Added
Oakworth Capital, Inc.450$31.4K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio403$28.1K0.00%+70+21.0%Added
CIBC Private Wealth Group, LLC301$21.0K0.00%+37+14.0%Added
VSM Wealth Advisory, LLC275$19.2K0.01%00.0%Unchanged
Umb Bank N A262$18.3K0.00%+262New
Clearstead Advisors, LLC242$16.9K0.00%+229+1,761.5%Added
Global Retirement Partners, LLC210$14.6K0.00%+210New
Hantz Financial Services, Inc.208$14.0K0.00%+202+3,366.7%Added
Farther Finance Advisors, LLC197$13.7K0.00%−139−41.4%Reduced
SBI Securities Co., Ltd.170$11.8K0.00%+48+39.3%Added
Jones Financial Companies LLLP158$11.0K0.00%−347−68.7%Reduced
Bessemer Group Inc163$11.0K0.00%−25−13.3%Reduced
Rakuten Securities, Inc.141$9.83K0.00%−49−25.8%Reduced
Caitong International Asset Management Co., Ltd122$8.50K0.01%−1,230−91.0%Reduced
Kozak & Associates, Inc.107$7.96K0.00%+107New
Richardson Financial Services Inc.107$7.70K0.01%+107New
Pension & Wealth Management Advisors, Inc.110$7.67K0.00%+15+15.8%Added
Sunbelt Securities, Inc.100$6.99K0.00%00.0%Unchanged
Maseco LLP97$6.76K0.00%+97New
Truvestments Capital LLC95$6.62K0.00%00.0%Unchanged
Fourth Dimension Wealth, LLC92$6.41K0.00%00.0%Unchanged
Optimum Investment Advisors90$6.27K0.00%00.0%Unchanged
Smithfield Trust Co80$6.00K0.00%00.0%Unchanged
Rothschild Investment LLC75$5.23K0.00%+20+36.4%Added
Bullock Wealth Management Group72$5.18K0.00%−70−49.3%Reduced
SRS Capital Advisors, Inc.73$5.09K0.00%+58+386.7%Added
Private Wealth Management Group, LLC71$4.95K0.00%+71New
Optiver Holding B.V.68$4.74K0.00%−29−29.9%Reduced
Huntington National Bank64$4.39K0.00%+39+156.0%Added
Key Financial Inc60$4.18K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC50$3.48K0.00%00.0%Unchanged
Golden State Wealth Management, LLC50$3.48K0.00%+50New
Barrow Hanley Mewhinney & Strauss LLC44$3.07K0.00%+44New
Private Trust Co NA43$3.00K0.00%00.0%Unchanged
Kilter Group LLC42$2.93K0.00%+42New
Ameritas Advisory Services, LLC40$2.79K0.00%+40New
MAI Capital Management38$2.65K0.00%+38New
Assetmark, Inc36$2.51K0.00%−147−80.3%Reduced
Cape Investment Advisory, Inc.35$2.44K0.00%00.0%Unchanged
McIlrath & Eck, LLC32$2.23K0.00%00.0%Unchanged
Harbour Investments, Inc.30$2.09K0.00%00.0%Unchanged
Vision Financial Markets LLC30$2.09K0.00%00.0%Unchanged
Avion Wealth42$2.00K0.00%+28+200.0%Added
Prestige Wealth Management Group LLC28$1.95K0.00%+28New
True Wealth Design, LLC25$1.74K0.00%+10+66.7%Added
Creative Financial Designs Inc25$1.74K0.00%00.0%Unchanged