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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 2023

Institutional positions in Axcelis Technologies Inc as of Dec 31, 2023. 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
421
+6 vs. Q3 2023
Shares held
29.4M
−186.8K (−0.6%) vs. Q3 2023
Total value
$3.81B
−$1.03B (−21.4%) vs. Q3 2023
New holders
71
161 more added
Sold out
65
132 more reduced

6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 421 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 2023: $3.81B
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 2023

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q3 2023.

Institutions holding ACLS in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bank of New York Mellon Corp281,373$36.5M0.01%−18,981−6.3%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.305,002$39.6M0.11%+240,115+370.1%Added
Invesco Ltd.328,423$42.6M0.01%−641,986−66.2%Reduced
Qube Research & Technologies Ltd328,591$42.6M0.10%+184,800+128.5%Added
Jackson Square Partners, LLC330,724$42.9M1.39%+330,724New
Arrowstreet Capital, Limited Partnership341,597$44.3M0.05%−188,210−35.5%Reduced
Northern Trust Corp375,588$48.7M0.01%−16,789−4.3%Reduced
Charles Schwab Investment Management Inc431,113$55.9M0.01%+17,635+4.3%Added
Norges Bank440,318$57.1M0.01%+2,994+0.7%Added
Goldman Sachs Group Inc442,586$57.4M0.01%+3,999+0.9%Added
Price T Rowe Associates Inc463,524$60.1M0.01%+24,549+5.6%Added
Morgan Stanley467,824$60.7M0.01%+135,246+40.7%Added
Millennium Management LLC509,824$66.1M0.06%+381,811+298.3%Added
Ameriprise Financial Inc525,996$68.2M0.02%+78,127+17.4%Added
JPMorgan Chase & Co564,129$73.2M0.01%+220,994+64.4%Added
Dimensional Fund Advisors LP691,317$89.7M0.03%−249,316−26.5%Reduced
Geode Capital Management, LLC776,571$100.8M0.01%+26,500+3.5%Added
Primecap Management Co1,042,046$135.1M0.11%−3,930−0.4%Reduced
State Street Corp1,195,470$155.0M0.01%+48,898+4.3%Added
Vanguard Group Inc4,040,912$524.1M0.01%+92,584+2.3%Added
BlackRock Inc.6,088,685$789.6M0.02%+83,284+1.4%Added
Whale Rock Capital Management LLC0$00.00%−517,062−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−483,526−100.0%Sold out
Hood River Capital Management LLC0$00.00%−346,501−100.0%Sold out
Senvest Management, LLC0$00.00%−197,806−100.0%Sold out
Lisanti Capital Growth, LLC0$00.00%−64,545−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−54,835−100.0%Sold out
G2 Investment Partners Management LLC0$00.00%−47,335−100.0%Sold out
Renaissance Technologies LLC0$00.00%−44,199−100.0%Sold out
Agf Management Ltd0$00.00%−41,042−100.0%Sold out
Castleark Management LLC0$00.00%−27,890−100.0%Sold out
Capital Fund Management S.A.0$00.00%−23,096−100.0%Sold out
Artemis Investment Management LLP0$00.00%−20,006−100.0%Sold out
EAM Global Investors LLC0$00.00%−18,421−100.0%Sold out
Citadel Advisors LLC0$00.00%−16,361−100.0%Sold out
SG Americas Securities, LLC0$00.00%−15,627−100.0%Sold out
Calamos Advisors LLC0$00.00%−14,274−100.0%Sold out
Natixis Advisors, L.P.0$00.00%−12,626−100.0%Sold out
EAM Investors, LLC0$00.00%−12,506−100.0%Sold out
Stephens Inc0$00.00%−10,693−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−10,431−100.0%Sold out
Glenmede Trust Co NA0$00.00%−8,038−100.0%Sold out
First Eagle Investment Management, LLC0$00.00%−7,278−100.0%Sold out
Roman Butler Fullerton & Co0$00.00%−7,331−100.0%Sold out
Petra Financial Advisors Inc0$00.00%−5,812−100.0%Sold out
Virtue Capital Management, LLC0$00.00%−5,276−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−5,727−100.0%Sold out
Level Four Advisory Services, LLC0$00.00%−5,433−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−5,300−100.0%Sold out
Hanseatic Management Services Inc0$00.00%−4,956−100.0%Sold out
Summit Global Investments0$00.00%−3,441−100.0%Sold out
Truist Financial Corp0$00.00%−3,360−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−3,000−100.0%Sold out
Neo Ivy Capital Management0$00.00%−2,944−100.0%Sold out
Keebeck Alpha, LP0$00.00%−2,838−100.0%Sold out
Dakota Wealth Management0$00.00%−2,786−100.0%Sold out
Chartwell Investment Partners, LLC0$00.00%−2,676−100.0%Sold out
Convergence Investment Partners, LLC0$00.00%−2,573−100.0%Sold out
Qsemble Capital Management, LP0$00.00%−2,048−100.0%Sold out
Kingswood Wealth Advisors, LLC0$00.00%−1,926−100.0%Sold out
Ci Investments Inc.0$00.00%−1,760−100.0%Sold out
Oppenheimer & Co Inc0$00.00%−1,654−100.0%Sold out
Shelton Capital Management0$00.00%−1,602−100.0%Sold out
Inceptionr LLC0$00.00%−1,573−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−1,550−100.0%Sold out
Argent Trust Co0$00.00%−1,500−100.0%Sold out
BluePath Capital Management, LLC0$00.00%−1,496−100.0%Sold out
Lifestyle Asset Management, Inc.0$00.00%−1,481−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−1,440−100.0%Sold out
Measured Wealth Private Client Group, LLC0$00.00%−1,415−100.0%Sold out
Twin Tree Management, LP0$00.00%−1,413−100.0%Sold out
Resources Investment Advisors, LLC.0$00.00%−1,338−100.0%Sold out
Sequoia Financial Advisors, LLC0$00.00%−1,316−100.0%Sold out
Moran Wealth Management, LLC0$00.00%−1,285−100.0%Sold out
Grove Bank & Trust0$00.00%−1,263−100.0%Sold out
GW Henssler & Associates Ltd0$00.00%−1,234−100.0%Sold out
Pinnacle Financial Partners Inc0$00.00%−1,231−100.0%Sold out
USA Financial Portformulas Corp0$00.00%−1,146−100.0%Sold out
Westpac Banking Corp0$00.00%−1,102−100.0%Sold out
Ausbil Investment Management Ltd0$00.00%−1,009−100.0%Sold out
Harvest Fund Management Co., Ltd0$00.00%−259−100.0%Sold out
Altshuler Shaham Ltd0$00.00%−120−100.0%Sold out
Bokf, NA0$00.00%−79−100.0%Sold out
Armstrong Advisory Group, Inc0$00.00%−46−100.0%Sold out
Venturi Wealth Management, LLC0$00.00%−7−100.0%Sold out
Baker Avenue Asset Management, LP0$00.00%−7−100.0%Sold out
BTC Capital Management, Inc.––––Not filed
Virginia Retirement Systems Et Al––––Not filed
Advisor Partners II, LLC––––Not filed
Pathstone Family Office, LLC––––Not filed
Quantamental Technologies LLC––––Not filed
Steward Financial Group LLC––––Not filed