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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 2023

Institutional positions in Axcelis Technologies Inc as of Sep 30, 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
+19 vs. Q2 2023
Shares held
29.6M
+81.3K (+0.3%) vs. Q2 2023
Total value
$4.85B
−$553.6M (−10.2%) vs. Q2 2023
New holders
65
149 more added
Sold out
46
152 more reduced

4 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 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: 442 institutions
Value heldQ3 2023: $4.85B
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 2023

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2023.

Institutions holding ACLS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Castleark Management LLC27,890$4.55M0.23%−5,140−15.6%Reduced
Texas Permanent School Fund27,871$4.54M0.04%−931−3.2%Reduced
Wells Fargo & Company26,901$4.39M0.00%−9,711−26.5%Reduced
CFM Wealth Partners LLC26,575$4.33M1.14%+59+0.2%Added
Gratus Capital LLC25,937$4.23M0.29%+25,937New
Two Sigma Advisers, LP25,125$4.10M0.01%+2,400+10.6%Added
Assenagon Asset Management S.A.23,946$3.90M0.01%+17,710+284.0%Added
New York State Teachers Retirement System23,678$3.86M0.01%+4,472+23.3%Added
Bridge City Capital, LLC23,426$3.82M1.93%−161−0.7%Reduced
Lazard Asset Management LLC23,303$3.80M0.01%−3,079−11.7%Reduced
Capital Fund Management S.A.23,096$3.77M0.05%−2,833−10.9%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys21,940$3.58M0.03%−15,036−40.7%Reduced
Franklin Resources Inc21,829$3.56M0.00%−1,392−6.0%Reduced
Engineers Gate Manager LP20,574$3.35M0.12%+16,822+448.3%Added
Empowered Funds, LLC20,470$3.34M0.10%+19,061+1,352.8%Added
State of Alaska, Department of Revenue20,343$3.32M0.04%−1,180−5.5%Reduced
Kennedy Capital Management, Inc.20,266$3.30M0.08%−4,811−19.2%Reduced
Artemis Investment Management LLP20,006$3.26M0.05%−6,123−23.4%Reduced
Nicholas Investment Partners, LP19,342$3.15M0.24%+4,516+30.5%Added
Illinois Municipal Retirement Fund18,909$3.08M0.06%+18,909New
Deutsche Bank AG18,782$3.06M0.00%−44,667−70.4%Reduced
State of Tennessee, Treasury Department18,711$3.05M0.01%−2,471−11.7%Reduced
EAM Global Investors LLC18,421$3.00M0.81%−6,853−27.1%Reduced
Perigon Wealth Management, LLC18,419$3.00M0.12%−48−0.3%Reduced
Raymond James & Associates18,393$3.00M0.00%+1,331+7.8%Added
Canada Pension Plan Investment Board18,300$2.98M0.00%00.0%Unchanged
Mutual of America Capital Management LLC18,253$2.98M0.04%+11,863+185.6%Added
State of New Jersey Common Pension Fund D18,158$2.96M0.01%−827−4.4%Reduced
LPL Financial LLC18,053$2.94M0.00%+5,944+49.1%Added
Navellier & Associates Inc17,903$2.92M0.50%−471−2.6%Reduced
American International Group, Inc.17,903$2.92M0.02%+386+2.2%Added
Advisory Research Inc17,762$2.90M0.40%+924+5.5%Added
Yousif Capital Management, LLC17,759$2.90M0.04%−1,056−5.6%Reduced
Axiom Investors LLC17,384$2.83M0.04%−1,022−5.6%Reduced
Manufacturers Life Insurance Company, The17,200$2.80M0.00%+3,993+30.2%Added
MetLife Investment Management17,056$2.78M0.02%−220−1.3%Reduced
Teachers Retirement System of the State of Kentucky16,837$2.75M0.03%−3,514−17.3%Reduced
Janney Montgomery Scott LLC16,739$2.73M0.01%+2,174+14.9%Added
Louisiana State Employees Retirement System16,700$2.72M0.06%−500−2.9%Reduced
Citadel Advisors LLC16,361$2.67M0.00%−10,835−39.8%Reduced
Teacher Retirement System of Texas16,283$2.65M0.02%+1,073+7.1%Added
Trexquant Investment LP16,005$2.61M0.07%+16,005New
SG Americas Securities, LLC15,627$2.55M0.03%+15,045+2,585.1%Added
Crestline Management, LP15,336$2.50M0.30%−1,582−9.4%Reduced
Crown Advisors Management, Inc.15,000$2.44M1.74%00.0%Unchanged
Janus Henderson Group PLC14,820$2.42M0.00%+10.0%Added
Amalgamated Bank14,668$2.39M0.02%−178−1.2%Reduced
Calamos Advisors LLC14,274$2.33M0.01%−40.0%Reduced
Legato Capital Management LLC14,018$2.29M0.33%−865−5.8%Reduced
Advisor Group Holdings, Inc.13,987$2.28M0.00%−9,511−40.5%Reduced
Aquatic Capital Management LLC13,600$2.22M0.09%+13,100+2,620.0%Added
Vestcor Inc13,583$2.21M0.08%+11,172+463.4%Added
Advisory Services Network, LLC13,165$2.15M0.06%+1,996+17.9%Added
ClariVest Asset Management LLC13,137$2.14M0.12%−16,112−55.1%Reduced
Natixis Advisors, L.P.12,626$2.06M0.01%−1,799−12.5%Reduced
Envestnet Asset Management Inc12,626$2.06M0.00%+2,213+21.3%Added
EAM Investors, LLC12,506$2.04M0.39%−7,979−39.0%Reduced
Maryland State Retirement & Pension System12,088$1.97M0.05%−656−5.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund12,000$1.96M0.01%00.0%Unchanged
Atria Wealth Solutions, Inc.11,866$1.93M0.03%+290+2.5%Added
Royal Bank of Canada11,835$1.93M0.00%−3,864−24.6%Reduced
Edgestream Partners, L.P.11,792$1.92M0.15%+5,780+96.1%Added
Virginia Retirement Systems Et Al11,700$1.91M0.02%+800+7.3%Added
Federated Hermes, Inc.11,627$1.90M0.01%+7,329+170.5%Added
Robeco Institutional Asset Management B.V.11,323$1.85M0.00%−180−1.6%Reduced
Horizon Investment Services, LLC11,035$1.80M1.08%−511−4.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)11,018$1.80M0.01%+392+3.7%Added
Two Sigma Investments, LP10,925$1.78M0.00%+10,925New
Virtus Investment Advisers, Inc.10,820$1.76M1.20%−2,036−15.8%Reduced
Stephens Inc10,693$1.74M0.03%+10,693New
Baird Financial Group, Inc.10,675$1.74M0.00%+57+0.5%Added
Ensign Peak Advisors, Inc10,540$1.72M0.00%00.0%Unchanged
Dark Forest Capital Management LP10,431$1.70M0.14%+10,431New
Cavalier Investments, LLC10,018$1.63M0.64%+349+3.6%Added
Dana Investment Advisors, Inc.9,772$1.59M0.08%−1,108−10.2%Reduced
Oregon Public Employees Retirement Fund9,758$1.59M0.02%−427−4.2%Reduced
Bank Julius Baer & Co. Ltd, Zurich9,737$1.59M0.01%+225+2.4%Added
Moors & Cabot, Inc.9,530$1.55M0.11%−750−7.3%Reduced
Globeflex Capital L P9,338$1.52M0.18%−5−0.1%Reduced
Arizona State Retirement System9,313$1.52M0.01%+121+1.3%Added
State Board of Administration of Florida Retirement System9,310$1.52M0.00%+50+0.5%Added
TD Asset Management Inc8,900$1.45M0.00%−2,200−19.8%Reduced
STRS Ohio8,900$1.45M0.01%−1,000−10.1%Reduced
GWM Advisors LLC8,826$1.44M0.02%+230+2.7%Added
Guggenheim Capital LLC8,779$1.43M0.01%−558−6.0%Reduced
ProShare Advisors LLC8,738$1.42M0.00%+2,706+44.9%Added
Hancock Whitney Corp8,586$1.40M0.06%−112−1.3%Reduced
Commonwealth Equity Services, LLC8,564$1.40M0.00%−5,013−36.9%Reduced
ExodusPoint Capital Management, LP8,298$1.35M0.02%−6,392−43.5%Reduced
Benjamin F. Edwards & Company, Inc.8,109$1.32M0.05%+8,109New
Glenmede Trust Co NA8,038$1.31M0.01%+8,038New
Seven Eight Capital, LP8,013$1.31M0.15%+8,013New
Zacks Investment Management7,669$1.25M0.02%+7,669New
Morse Asset Management, Inc7,633$1.25M0.39%−36−0.5%Reduced
Versor Investments LP7,565$1.23M0.25%+3,309+77.7%Added
Juncture Wealth Strategies, LLC7,504$1.22M0.60%+1,784+31.2%Added
Centiva Capital, LP7,415$1.21M0.06%+5,915+394.3%Added
Beck Capital Management, LLC7,395$1.21M0.46%−868−10.5%Reduced
North Star Investment Management Corp.7,392$1.21M0.10%00.0%Unchanged
Gotham Asset Management, LLC7,381$1.20M0.02%−2,170−22.7%Reduced