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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; 441 institutions reported holding it in 13F filings for Q2 2026, worth $5.87B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q2 2024

Institutional positions in Axcelis Technologies Inc as of Jun 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
392
+12 vs. Q1 2024
Shares held
30.8M
−955.7K (−3.0%) vs. Q1 2024
Total value
$4.38B
+$833.9M (+23.5%) vs. Q1 2024
New holders
64
142 more added
Sold out
52
127 more reduced

4 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 392 institutions
Q1 2021: 192 institutionsQ2 2021: 188 institutionsQ3 2021: 204 institutionsQ4 2021: 254 institutionsQ1 2022: 290 institutionsQ2 2022: 277 institutionsQ3 2022: 287 institutionsQ4 2022: 328 institutionsQ1 2023: 379 institutionsQ2 2023: 406 institutionsQ3 2023: 421 institutionsQ4 2023: 421 institutionsQ1 2024: 384 institutionsQ2 2024: 392 institutionsQ3 2024: 369 institutionsQ4 2024: 325 institutionsQ1 2025: 307 institutionsQ2 2025: 330 institutionsQ3 2025: 362 institutionsQ4 2025: 373 institutionsQ1 2026: 380 institutionsQ2 2026: 441 institutions
Value heldQ2 2024: $4.38B
Q1 2021: $1.20BQ2 2021: $1.17BQ3 2021: $1.37BQ4 2021: $2.06BQ1 2022: $2.05BQ2 2022: $1.52BQ3 2022: $1.72BQ4 2022: $2.32BQ1 2023: $4.00BQ2 2023: $5.41BQ3 2023: $4.85BQ4 2023: $3.95BQ1 2024: $3.57BQ2 2024: $4.38BQ3 2024: $3.19BQ4 2024: $2.16BQ1 2025: $1.54BQ2 2025: $2.22BQ3 2025: $2.98BQ4 2025: $2.52BQ1 2026: $3.03BQ2 2026: $5.87B
Institutions holding ACLS and their total value by quarter
QuarterHoldersValue
Q2 2026441$5.87B
Q1 2026380$3.03B
Q4 2025373$2.52B
Q3 2025362$2.98B
Q2 2025330$2.22B
Q1 2025307$1.54B
Q4 2024325$2.16B
Q3 2024369$3.19B
Q2 2024392$4.38B
Q1 2024384$3.57B
Q4 2023421$3.95B
Q3 2023421$4.85B
Q2 2023406$5.41B
Q1 2023379$4.00B
Q4 2022328$2.32B
Q3 2022287$1.72B
Q2 2022277$1.52B
Q1 2022290$2.05B
Q4 2021254$2.06B
Q3 2021204$1.37B
Q2 2021188$1.17B
Q1 2021192$1.20B

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q1 2024.

Institutions holding ACLS in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.5,806,807$825.7M0.02%−332,111−5.4%Reduced
Vanguard Group Inc4,382,732$623.2M0.01%+78,216+1.8%Added
State Street Corp1,215,181$172.8M0.01%−948−0.1%Reduced
Primecap Management Co989,796$140.7M0.10%−23,200−2.3%Reduced
Geode Capital Management, LLC846,375$120.4M0.01%+41,505+5.2%Added
Senvest Management, LLC798,877$113.6M4.36%+463,063+137.9%Added
Goldman Sachs Group Inc702,613$99.9M0.02%+220,834+45.8%Added
Dimensional Fund Advisors LP658,112$93.6M0.02%−18,533−2.7%Reduced
Morgan Stanley637,636$90.7M0.01%−1,318,895−67.4%Reduced
Ameriprise Financial Inc611,959$87.0M0.02%+104,441+20.6%Added
Price T Rowe Associates Inc531,130$75.5M0.01%+67,992+14.7%Added
Norges Bank464,179$66.0M0.01%+10,379+2.3%Added
JPMorgan Chase & Co457,688$65.1M0.00%−475,582−51.0%Reduced
Charles Schwab Investment Management Inc457,186$65.0M0.01%+17,680+4.0%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.455,846$64.8M0.17%+32,695+7.7%Added
Reinhart Partners, Inc.419,048$59.6M2.48%+79,456+23.4%Added
Northern Trust Corp410,960$58.4M0.01%+42,782+11.6%Added
American Century Companies Inc385,181$54.8M0.03%+38,827+11.2%Added
Jackson Square Partners, LLC362,943$51.6M3.15%−129,821−26.3%Reduced
Paradigm Capital Management Inc349,200$49.7M2.26%+19,400+5.9%Added
Invesco Ltd.326,726$46.5M0.01%+176,300+117.2%Added
Nuveen Asset Management, LLC307,756$43.8M0.01%+27,859+10.0%Added
Bank of New York Mellon Corp295,744$42.1M0.01%+33,854+12.9%Added
Grantham, Mayo, Van Otterloo & Co. LLC280,984$40.0M0.13%+5,578+2.0%Added
Rafferty Asset Management, LLC259,578$36.9M0.14%−27,592−9.6%Reduced
Wellington Management Group LLP256,899$36.5M0.01%+192,694+300.1%Added
Massachusetts Financial Services Co238,221$33.9M0.01%+20,584+9.5%Added
Boston Partners245,511$33.7M0.04%+53,251+27.7%Added
Citigroup Inc215,267$30.6M0.03%+40,095+22.9%Added
Millennium Management LLC214,077$30.4M0.03%−201,452−48.5%Reduced
Bank of America Corp211,639$30.1M0.00%+12,417+6.2%Added
Principal Financial Group Inc211,559$30.1M0.02%+14,886+7.6%Added
Clark Capital Management Group, Inc.201,990$28.7M0.21%−13,969−6.5%Reduced
Voya Investment Management LLC201,772$28.7M0.03%+108,410+116.1%Added
Granite Investment Partners, LLC195,521$27.8M1.15%+195,521New
Man Group plc194,301$27.6M0.07%+93,596+92.9%Added
FMR LLC173,879$24.7M0.00%+152,235+703.4%Added
Neumeier Poma Investment Counsel LLC172,405$24.5M2.24%+60,735+54.4%Added
Barclays PLC161,527$23.0M0.01%−30,949−16.1%Reduced
Citadel Advisors LLC161,136$22.9M0.02%+49,410+44.2%Added
UBS Group AG159,486$22.7M0.01%−36,581−18.7%Reduced
Standard Life Aberdeen plc155,272$22.1M0.04%+10,329+7.1%Added
Franklin Resources Inc141,922$20.2M0.01%+42,212+42.3%Added
Voloridge Investment Management, LLC137,042$19.5M0.07%−201,665−59.5%Reduced
Amundi128,098$18.2M0.01%+120,641+1,617.8%Added
Connor, Clark & Lunn Investment Management Ltd.127,462$18.1M0.08%+904+0.7%Added
Allianz Asset Management GmbH124,006$17.6M0.03%−5,055−3.9%Reduced
Trexquant Investment LP123,023$17.5M0.27%+29,547+31.6%Added
UBS Asset Management Americas Inc122,497$17.4M0.00%+85,594+231.9%Added
Jane Street Group, LLC118,388$16.8M0.02%+78,407+196.1%Added
Legal & General Group Plc106,740$15.2M0.00%−4,863−4.4%Reduced
Royce & Associates LP106,436$15.1M0.14%+41,311+63.4%Added
Kennedy Capital Management, Inc.105,028$14.9M0.32%+23,018+28.1%Added
Rhumbline Advisers93,779$13.3M0.01%+499+0.5%Added
Oberweis Asset Management Inc91,799$13.1M0.80%−117,540−56.1%Reduced
Neuberger Berman Group LLC90,409$12.9M0.01%+11,028+13.9%Added
Deutsche Bank AG86,975$12.4M0.01%−3,212−3.6%Reduced
Cerity Partners LLC80,262$11.4M0.03%+17,750+28.4%Added
SEI Investments Co74,691$10.6M0.02%−70,061−48.4%Reduced
Public Sector Pension Investment Board71,587$10.2M0.06%+4,593+6.9%Added
First Trust Advisors LP70,150$9.97M0.01%−9,595−12.0%Reduced
Victory Capital Management Inc64,872$9.22M0.01%−6,316−8.9%Reduced
Wells Fargo & Company64,869$9.22M0.00%+34,303+112.2%Added
Swiss National Bank64,200$9.13M0.01%−500−0.8%Reduced
Alliancebernstein L.P.62,898$8.94M0.00%−10,802−14.7%Reduced
California Public Employees Retirement System60,905$8.66M0.01%−256−0.4%Reduced
State of Wisconsin Investment Board59,975$8.53M0.02%+985+1.7%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.57,134$8.12M0.01%+10,700+23.0%Added
BNP Paribas Arbitrage, SA54,285$7.72M0.01%−73,665−57.6%Reduced
Algert Global LLC52,972$7.53M0.25%+2,971+5.9%Added
S Squared Technology, LLC49,000$6.97M3.07%00.0%Unchanged
Prudential Financial Inc48,758$6.93M0.01%−35,443−42.1%Reduced
Kornitzer Capital Management Inc48,270$6.86M0.13%+16,200+50.5%Added
AQR Capital Management LLC46,667$6.64M0.01%−17,767−27.6%Reduced
Mirae Asset Global Investments Co., Ltd.46,698$6.51M0.03%+289+0.6%Added
Pier Capital, LLC41,208$5.86M0.87%−3,485−7.8%Reduced
Janney Montgomery Scott LLC41,151$5.85M0.02%+12,145+41.9%Added
Envestnet Asset Management Inc40,378$5.74M0.00%+4,622+12.9%Added
Bridge City Capital, LLC39,904$5.67M1.91%+8,782+28.2%Added
ExodusPoint Capital Management, LP38,948$5.54M0.06%+27,415+237.7%Added
Stifel Financial Corp38,445$5.47M0.01%+5,881+18.1%Added
New York State Common Retirement Fund36,791$5.23M0.01%+13,708+59.4%Added
LPL Financial LLC36,228$5.15M0.00%+10,181+39.1%Added
Holocene Advisors, LP35,259$5.01M0.02%−44,206−55.6%Reduced
Janus Henderson Group PLC33,997$4.84M0.00%−18,639−35.4%Reduced
Los Angeles Capital Management LLC33,464$4.76M0.02%−800−2.3%Reduced
Rice Hall James & Associates, LLC33,396$4.75M0.28%−921−2.7%Reduced
Isthmus Partners, LLC33,270$4.73M0.56%+15,507+87.3%Added
Great West Life Assurance Co32,967$4.69M0.01%−5,509−14.3%Reduced
California State Teachers Retirement System31,832$4.53M0.01%−1,102−3.3%Reduced
Creative Planning30,861$4.39M0.00%+28,015+984.4%Added
Canada Pension Plan Investment Board30,400$4.32M0.00%−15,200−33.3%Reduced
RE Advisers Corp29,600$4.21M0.10%+18,600+169.1%Added
Bridgewater Associates, LP29,493$4.19M0.02%+29,493New
Thrivent Financial for Lutherans29,359$4.17M0.01%+1,004+3.5%Added
Susquehanna Fundamental Investments, LLC27,735$3.94M0.09%+8,575+44.8%Added
Qube Research & Technologies Ltd26,683$3.79M0.01%−192,764−87.8%Reduced
CFM Wealth Partners LLC26,077$3.71M0.68%−186−0.7%Reduced
Colony Group, LLC25,083$3.57M0.01%+281+1.1%Added
Healthcare of Ontario Pension Plan Trust Fund25,000$3.55M0.01%00.0%Unchanged