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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 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
393
+12 vs. Q1 2024
Shares held
30.6M
+586.2K (+2.0%) vs. Q1 2024
Total value
$4.35B
+$998.8M (+29.8%) vs. Q1 2024
New holders
65
142 more added
Sold out
53
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: 393 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 2024: $4.35B
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 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
RE Advisers Corp29,600$4.21M0.10%+18,600+169.1%Added
Canada Pension Plan Investment Board30,400$4.32M0.00%−15,200−33.3%Reduced
Creative Planning30,861$4.39M0.00%+28,015+984.4%Added
California State Teachers Retirement System31,832$4.53M0.01%−1,102−3.3%Reduced
Great West Life Assurance Co32,967$4.69M0.01%−5,509−14.3%Reduced
Isthmus Partners, LLC33,270$4.73M0.56%+15,507+87.3%Added
Rice Hall James & Associates, LLC33,396$4.75M0.28%−921−2.7%Reduced
Los Angeles Capital Management LLC33,464$4.76M0.02%−800−2.3%Reduced
Janus Henderson Group PLC33,997$4.84M0.00%−18,639−35.4%Reduced
Holocene Advisors, LP35,259$5.01M0.02%−44,206−55.6%Reduced
LPL Financial LLC36,228$5.15M0.00%+10,181+39.1%Added
New York State Common Retirement Fund36,791$5.23M0.01%+13,708+59.4%Added
Stifel Financial Corp38,445$5.47M0.01%+5,881+18.1%Added
ExodusPoint Capital Management, LP38,948$5.54M0.06%+27,415+237.7%Added
Bridge City Capital, LLC39,904$5.67M1.91%+8,782+28.2%Added
Envestnet Asset Management Inc40,378$5.74M0.00%+4,622+12.9%Added
Janney Montgomery Scott LLC41,151$5.85M0.02%+12,145+41.9%Added
Pier Capital, LLC41,208$5.86M0.87%−3,485−7.8%Reduced
Mirae Asset Global Investments Co., Ltd.46,698$6.51M0.03%+289+0.6%Added
AQR Capital Management LLC46,667$6.64M0.01%−17,767−27.6%Reduced
Kornitzer Capital Management Inc48,270$6.86M0.13%+16,200+50.5%Added
Prudential Financial Inc48,758$6.93M0.01%−35,443−42.1%Reduced
S Squared Technology, LLC49,000$6.97M3.07%00.0%Unchanged
Algert Global LLC52,972$7.53M0.25%+2,971+5.9%Added
BNP Paribas Arbitrage, SA54,285$7.72M0.01%−73,665−57.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.57,134$8.12M0.01%+10,700+23.0%Added
State of Wisconsin Investment Board59,975$8.53M0.02%+985+1.7%Added
California Public Employees Retirement System60,905$8.66M0.01%−256−0.4%Reduced
Alliancebernstein L.P.62,898$8.94M0.00%−10,802−14.7%Reduced
Swiss National Bank64,200$9.13M0.01%−500−0.8%Reduced
Wells Fargo & Company64,869$9.22M0.00%+34,303+112.2%Added
Victory Capital Management Inc64,872$9.22M0.01%−6,316−8.9%Reduced
First Trust Advisors LP70,150$9.97M0.01%−9,595−12.0%Reduced
Public Sector Pension Investment Board71,587$10.2M0.06%+4,593+6.9%Added
SEI Investments Co74,691$10.6M0.02%−70,061−48.4%Reduced
Cerity Partners LLC80,262$11.4M0.03%+17,750+28.4%Added
Deutsche Bank AG86,975$12.4M0.01%−3,212−3.6%Reduced
Neuberger Berman Group LLC90,409$12.9M0.01%+11,028+13.9%Added
Oberweis Asset Management Inc91,799$13.1M0.80%−117,540−56.1%Reduced
Rhumbline Advisers93,779$13.3M0.01%+499+0.5%Added
Kennedy Capital Management, Inc.105,028$14.9M0.32%+23,018+28.1%Added
Royce & Associates LP106,436$15.1M0.14%+41,311+63.4%Added
Legal & General Group Plc106,740$15.2M0.00%−4,863−4.4%Reduced
Jane Street Group, LLC118,388$16.8M0.02%+78,407+196.1%Added
UBS Asset Management Americas Inc122,497$17.4M0.00%+85,594+231.9%Added
Trexquant Investment LP123,023$17.5M0.27%+29,547+31.6%Added
Allianz Asset Management GmbH124,006$17.6M0.03%−5,055−3.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.127,462$18.1M0.08%+904+0.7%Added
Amundi128,098$18.2M0.01%+120,641+1,617.8%Added
Voloridge Investment Management, LLC137,042$19.5M0.07%−201,665−59.5%Reduced
Franklin Resources Inc141,922$20.2M0.01%+42,212+42.3%Added
Standard Life Aberdeen plc155,272$22.1M0.04%+10,329+7.1%Added
UBS Group AG159,486$22.7M0.01%−36,581−18.7%Reduced
Citadel Advisors LLC161,136$22.9M0.02%+49,410+44.2%Added
Barclays PLC161,527$23.0M0.01%−30,949−16.1%Reduced
Neumeier Poma Investment Counsel LLC172,405$24.5M2.24%+60,735+54.4%Added
FMR LLC173,879$24.7M0.00%+152,235+703.4%Added
Man Group plc194,301$27.6M0.07%+93,596+92.9%Added
Granite Investment Partners, LLC195,521$27.8M1.15%+195,521New
Voya Investment Management LLC201,772$28.7M0.03%+108,410+116.1%Added
Clark Capital Management Group, Inc.201,990$28.7M0.21%−13,969−6.5%Reduced
Principal Financial Group Inc211,559$30.1M0.02%+14,886+7.6%Added
Bank of America Corp211,639$30.1M0.00%+12,417+6.2%Added
Millennium Management LLC214,077$30.4M0.03%−201,452−48.5%Reduced
Citigroup Inc215,267$30.6M0.03%+40,095+22.9%Added
JPMorgan Chase & Co228,844$32.5M0.00%−237,791−51.0%Reduced
Boston Partners245,511$33.7M0.04%+53,251+27.7%Added
Massachusetts Financial Services Co238,221$33.9M0.01%+20,584+9.5%Added
Wellington Management Group LLP256,899$36.5M0.01%+192,694+300.1%Added
Rafferty Asset Management, LLC259,578$36.9M0.14%−27,592−9.6%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC280,984$40.0M0.13%+5,578+2.0%Added
Bank of New York Mellon Corp295,744$42.1M0.01%+33,854+12.9%Added
Nuveen Asset Management, LLC307,756$43.8M0.01%+27,859+10.0%Added
Invesco Ltd.326,726$46.5M0.01%+176,300+117.2%Added
Paradigm Capital Management Inc349,200$49.7M2.26%+19,400+5.9%Added
Jackson Square Partners, LLC362,943$51.6M3.15%−129,821−26.3%Reduced
American Century Companies Inc385,181$54.8M0.03%+38,827+11.2%Added
Northern Trust Corp410,960$58.4M0.01%+42,782+11.6%Added
Reinhart Partners, Inc.419,048$59.6M2.48%+79,456+23.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.455,846$64.8M0.17%+32,695+7.7%Added
Charles Schwab Investment Management Inc457,186$65.0M0.01%+17,680+4.0%Added
Norges Bank464,179$66.0M0.01%+10,379+2.3%Added
Price T Rowe Associates Inc531,130$75.5M0.01%+67,992+14.7%Added
Ameriprise Financial Inc611,959$87.0M0.02%+104,441+20.6%Added
Morgan Stanley637,636$90.7M0.01%−14,541−2.2%Reduced
Dimensional Fund Advisors LP658,112$93.6M0.02%−18,533−2.7%Reduced
Goldman Sachs Group Inc702,613$99.9M0.02%+220,834+45.8%Added
Senvest Management, LLC798,877$113.6M4.36%+463,063+137.9%Added
Geode Capital Management, LLC846,375$120.4M0.01%+41,505+5.2%Added
Primecap Management Co989,796$140.7M0.10%−23,200−2.3%Reduced
State Street Corp1,215,181$172.8M0.01%−948−0.1%Reduced
Vanguard Group Inc4,382,732$623.2M0.01%+78,216+1.8%Added
BlackRock Inc.5,806,807$825.7M0.02%−332,111−5.4%Reduced
Arrowstreet Capital, Limited Partnership0$00.00%−206,128−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−64,445−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−64,190−100.0%Sold out
BTC Capital Management, Inc.0$00.00%−42,619−100.0%Sold out
Texas Permanent School Fund0$00.00%−28,606−100.0%Sold out
AXA S.A.0$00.00%−22,047−100.0%Sold out
American International Group, Inc.0$00.00%−17,591−100.0%Sold out