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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, Q1 2022

Institutional positions in Axcelis Technologies Inc as of Mar 31, 2022. 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
290
+38 vs. Q4 2021
Shares held
27.1M
−511.4K (−1.8%) vs. Q4 2021
Total value
$2.05B
−$10.7M (−0.5%) vs. Q4 2021
New holders
70
91 more added
Sold out
32
98 more reduced

2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 290 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 heldQ1 2022: $2.05B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q4 2021.

Institutions holding ACLS in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.5,059,666$382.2M0.01%+48,051+1.0%Added
Vanguard Group Inc2,742,101$207.1M0.00%+69,185+2.6%Added
Primecap Management Co1,934,800$146.1M0.11%−160,070−7.6%Reduced
Dimensional Fund Advisors LP1,557,346$117.6M0.04%−18,158−1.2%Reduced
Driehaus Capital Management LLC1,198,358$90.5M1.11%−256,918−17.7%Reduced
Wellington Management Group LLP1,124,555$84.9M0.01%−105,858−8.6%Reduced
State Street Corp1,084,676$81.9M0.00%+36,245+3.5%Added
Senvest Management, LLC807,234$61.0M1.75%−248,955−23.6%Reduced
Invesco Ltd.649,200$49.0M0.01%−78,026−10.7%Reduced
Geode Capital Management, LLC594,683$44.9M0.01%+12,533+2.2%Added
Millennium Management LLC454,361$34.3M0.04%−79,742−14.9%Reduced
Manufacturers Life Insurance Company, The383,250$28.9M0.02%−51,470−11.8%Reduced
Northern Trust Corp380,782$28.8M0.01%−19,447−4.9%Reduced
Price T Rowe Associates Inc371,381$28.1M0.00%+371,381New
Bank of New York Mellon Corp332,749$25.1M0.00%+2,067+0.6%Added
Assenagon Asset Management S.A.329,125$24.9M0.08%+142,384+76.2%Added
Charles Schwab Investment Management Inc299,180$22.6M0.01%+57,646+23.9%Added
Goldman Sachs Group Inc296,259$22.4M0.01%+94,708+47.0%Added
Thrivent Financial for Lutherans253,118$19.1M0.04%−318,919−55.8%Reduced
Federated Hermes, Inc.233,601$17.6M0.04%+4,443+1.9%Added
Principal Financial Group Inc225,836$17.1M0.01%−1,608−0.7%Reduced
Prudential Financial Inc201,281$15.2M0.02%+133,245+195.8%Added
Pier Capital, LLC199,453$15.1M1.92%−1,453−0.7%Reduced
Morgan Stanley192,282$14.5M0.00%−44,000−18.6%Reduced
Oberweis Asset Management Inc191,790$14.5M2.90%+36,790+23.7%Added
Parametric Portfolio Associates LLC180,357$13.6M0.01%+44,542+32.8%Added
Great Lakes Advisors, LLC178,636$13.5M0.22%+178,636New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.162,410$12.3M0.04%+60,593+59.5%Added
Ameriprise Financial Inc140,116$10.6M0.00%+113+0.1%Added
Paradigm Capital Management Inc134,000$10.1M0.55%00.0%Unchanged
S Squared Technology, LLC133,293$10.1M5.03%00.0%Unchanged
Rice Hall James & Associates, LLC131,512$9.93M0.40%−11,937−8.3%Reduced
UBS Group AG128,849$9.73M0.00%−7,298−5.4%Reduced
Nuveen Asset Management, LLC120,971$9.50M0.00%−2,534−2.1%Reduced
Kennedy Capital Management, Inc.125,073$9.45M0.22%−21,833−14.9%Reduced
Acadian Asset Management LLC115,973$8.76M0.04%+15,767+15.7%Added
Royce & Associates LP115,372$8.71M0.07%−71,020−38.1%Reduced
Two Sigma Advisers, LP105,800$7.99M0.02%−12,600−10.6%Reduced
Arrowstreet Capital, Limited Partnership94,988$7.17M0.01%−100,274−51.4%Reduced
Cubist Systematic Strategies, LLC93,929$7.09M0.06%+7,862+9.1%Added
Hillsdale Investment Management Inc.93,500$7.06M0.46%−600−0.6%Reduced
State of Wisconsin Investment Board85,100$6.43M0.01%−6,700−7.3%Reduced
Pacer Advisors, Inc.83,504$6.31M0.05%+83,504New
Legal & General Group Plc82,902$6.26M0.00%−918−1.1%Reduced
Rhumbline Advisers82,562$6.24M0.01%+3,025+3.8%Added
Penserra Capital Management LLC80,751$6.10M0.14%+80,751New
Swiss National Bank78,800$5.95M0.00%+4,700+6.3%Added
Panagora Asset Management Inc78,179$5.91M0.03%+3,168+4.2%Added
Bank Julius Baer & Co. Ltd, Zurich72,007$5.44M0.03%−18,113−20.1%Reduced
Wells Fargo & Company68,484$5.17M0.00%+10,451+18.0%Added
EAM Global Investors LLC66,815$5.05M0.93%+20,790+45.2%Added
Man Group plc66,203$5.00M0.02%+66,203New
Los Angeles Capital Management LLC64,965$4.91M0.02%−8,457−11.5%Reduced
Employees Retirement System of Texas64,558$4.88M0.06%00.0%Unchanged
Public Sector Pension Investment Board62,174$4.70M0.03%−5,670−8.4%Reduced
Norges Bank60,516$4.57M0.00%−229,300−79.1%Reduced
Bank of America Corp58,463$4.42M0.00%+41+0.1%Added
JPMorgan Chase & Co55,943$4.23M0.00%+11,111+24.8%Added
SEI Investments Co52,678$3.99M0.01%+9,977+23.4%Added
Globeflex Capital L P51,537$3.89M0.79%+5,538+12.0%Added
AQR Capital Management LLC50,661$3.83M0.01%+10,142+25.0%Added
EAM Investors, LLC49,794$3.76M0.70%−11,176−18.3%Reduced
Barclays PLC48,629$3.67M0.00%−65,053−57.2%Reduced
Penbrook Management LLC48,150$3.64M2.36%−14,150−22.7%Reduced
Allianz Asset Management GmbH47,651$3.60M0.00%+47,651New
State Board of Administration of Florida Retirement System47,544$3.59M0.01%−2,719−5.4%Reduced
Alliancebernstein L.P.44,615$3.37M0.00%−1,465−3.2%Reduced
Castleark Management LLC43,980$3.32M0.14%+43,980New
California State Teachers Retirement System42,580$3.22M0.00%−4,032−8.7%Reduced
Clark Capital Management Group, Inc.41,899$3.17M0.04%+16,900+67.6%Added
UBS Asset Management Americas Inc41,880$3.16M0.00%+5,158+14.0%Added
Gotham Asset Management, LLC40,263$3.04M0.09%+25,217+167.6%Added
New York State Common Retirement Fund39,916$3.02M0.00%+15,866+66.0%Added
State of New Jersey Common Pension Fund D38,636$2.92M0.01%−6,259−13.9%Reduced
Vident Investment Advisory, LLC37,693$2.85M0.07%+37,693New
Putnam Investments LLC37,677$2.85M0.00%−5,213−12.2%Reduced
Russell Investments Group, Ltd.37,372$2.82M0.00%−144,894−79.5%Reduced
Susquehanna International Group, LLP37,312$2.82M0.00%−16,052−30.1%Reduced
Teachers Retirement System of the State of Kentucky36,356$2.75M0.03%−3,055−7.8%Reduced
Algert Global LLC35,901$2.71M0.18%+27,570+330.9%Added
Citigroup Inc35,302$2.67M0.00%+3,484+10.9%Added
Friess Associates LLC34,436$2.60M1.39%+1,188+3.6%Added
Voya Investment Management LLC34,372$2.60M0.01%+220+0.6%Added
Walthausen & Co., LLC34,044$2.57M0.73%−970−2.8%Reduced
SG Americas Securities, LLC33,457$2.53M0.02%+9,153+37.7%Added
Millrace Asset Group, Inc.32,122$2.43M1.76%−31,625−49.6%Reduced
Qube Research & Technologies Ltd31,710$2.40M0.02%+17,096+117.0%Added
Janus Henderson Group PLC30,021$2.27M0.00%+23,198+340.0%Added
Yousif Capital Management, LLC29,957$2.26M0.02%−890−2.9%Reduced
Great West Life Assurance Co28,925$2.24M0.00%+209+0.7%Added
Allspring Global Investments Holdings, LLC29,393$2.22M0.00%−20−0.1%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys28,718$2.17M0.02%+3,541+14.1%Added
Credit Suisse AG28,321$2.14M0.00%+4,246+17.6%Added
Grantham, Mayo, Van Otterloo & Co. LLC27,900$2.11M0.01%+27,900New
CFM Wealth Partners LLC27,441$2.07M0.50%−746−2.6%Reduced
AXA S.A.26,600$2.01M0.00%−30,200−53.2%Reduced
Schroder Investment Management Group25,394$1.97M0.00%+1,024+4.2%Added
Morse Asset Management, Inc25,965$1.96M0.49%+1,065+4.3%Added
Susquehanna Fundamental Investments, LLC25,838$1.95M0.04%+19,438+303.7%Added
Two Sigma Investments, LP25,429$1.92M0.01%−8,416−24.9%Reduced