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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, 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
−441.1K (−1.6%) vs. Q4 2021
Total value
$2.05B
−$5.48M (−0.3%) vs. Q4 2021
New holders
70
92 more added
Sold out
32
97 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: 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 heldQ1 2022: $2.05B
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, 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
Great West Life Assurance Co28,925$2.24M0.00%+209+0.7%Added
Yousif Capital Management, LLC29,957$2.26M0.02%−890−2.9%Reduced
Janus Henderson Group PLC30,021$2.27M0.00%+23,198+340.0%Added
Qube Research & Technologies Ltd31,710$2.40M0.02%+17,096+117.0%Added
Millrace Asset Group, Inc.32,122$2.43M1.76%−31,625−49.6%Reduced
SG Americas Securities, LLC33,457$2.53M0.02%+9,153+37.7%Added
Walthausen & Co., LLC34,044$2.57M0.73%−970−2.8%Reduced
Voya Investment Management LLC34,372$2.60M0.01%+220+0.6%Added
Friess Associates LLC34,436$2.60M1.39%+1,188+3.6%Added
Citigroup Inc35,302$2.67M0.00%+3,484+10.9%Added
Algert Global LLC35,901$2.71M0.18%+27,570+330.9%Added
Teachers Retirement System of the State of Kentucky36,356$2.75M0.03%−3,055−7.8%Reduced
Susquehanna International Group, LLP37,312$2.82M0.00%+10,630+39.8%Added
Russell Investments Group, Ltd.37,372$2.82M0.00%−144,894−79.5%Reduced
Putnam Investments LLC37,677$2.85M0.00%−5,213−12.2%Reduced
Vident Investment Advisory, LLC37,693$2.85M0.07%+37,693New
State of New Jersey Common Pension Fund D38,636$2.92M0.01%−6,259−13.9%Reduced
New York State Common Retirement Fund39,916$3.02M0.00%+15,866+66.0%Added
Gotham Asset Management, LLC40,263$3.04M0.09%+25,217+167.6%Added
UBS Asset Management Americas Inc41,880$3.16M0.00%+5,158+14.0%Added
Clark Capital Management Group, Inc.41,899$3.17M0.04%+16,900+67.6%Added
California State Teachers Retirement System42,580$3.22M0.00%−4,032−8.7%Reduced
Castleark Management LLC43,980$3.32M0.14%+43,980New
Alliancebernstein L.P.44,615$3.37M0.00%−1,465−3.2%Reduced
State Board of Administration of Florida Retirement System47,544$3.59M0.01%−2,719−5.4%Reduced
Allianz Asset Management GmbH47,651$3.60M0.00%+47,651New
Penbrook Management LLC48,150$3.64M2.36%−14,150−22.7%Reduced
Barclays PLC48,629$3.67M0.00%−8,212−14.4%Reduced
EAM Investors, LLC49,794$3.76M0.70%−11,176−18.3%Reduced
AQR Capital Management LLC50,661$3.83M0.01%+10,142+25.0%Added
Globeflex Capital L P51,537$3.89M0.79%+5,538+12.0%Added
SEI Investments Co52,678$3.99M0.01%+9,977+23.4%Added
JPMorgan Chase & Co55,943$4.23M0.00%+11,111+24.8%Added
Bank of America Corp58,463$4.42M0.00%+41+0.1%Added
Norges Bank60,516$4.57M0.00%−229,300−79.1%Reduced
Public Sector Pension Investment Board62,174$4.70M0.03%−5,670−8.4%Reduced
Employees Retirement System of Texas64,558$4.88M0.06%00.0%Unchanged
Los Angeles Capital Management LLC64,965$4.91M0.02%−8,457−11.5%Reduced
Man Group plc66,203$5.00M0.02%+66,203New
EAM Global Investors LLC66,815$5.05M0.93%+20,790+45.2%Added
Wells Fargo & Company68,484$5.17M0.00%+10,451+18.0%Added
Bank Julius Baer & Co. Ltd, Zurich72,007$5.44M0.03%−18,113−20.1%Reduced
Panagora Asset Management Inc78,179$5.91M0.03%+3,168+4.2%Added
Swiss National Bank78,800$5.95M0.00%+4,700+6.3%Added
Penserra Capital Management LLC80,751$6.10M0.14%+80,751New
Rhumbline Advisers82,562$6.24M0.01%+3,025+3.8%Added
Legal & General Group Plc82,902$6.26M0.00%−918−1.1%Reduced
Pacer Advisors, Inc.83,504$6.31M0.05%+83,504New
State of Wisconsin Investment Board85,100$6.43M0.01%−6,700−7.3%Reduced
Hillsdale Investment Management Inc.93,500$7.06M0.46%−600−0.6%Reduced
Cubist Systematic Strategies, LLC93,929$7.09M0.06%+7,862+9.1%Added
Arrowstreet Capital, Limited Partnership94,988$7.17M0.01%−100,274−51.4%Reduced
Two Sigma Advisers, LP105,800$7.99M0.02%−12,600−10.6%Reduced
Royce & Associates LP115,372$8.71M0.07%−71,020−38.1%Reduced
Acadian Asset Management LLC115,973$8.76M0.04%+15,767+15.7%Added
Kennedy Capital Management, Inc.125,073$9.45M0.22%−21,833−14.9%Reduced
Nuveen Asset Management, LLC120,971$9.50M0.00%−2,534−2.1%Reduced
UBS Group AG128,849$9.73M0.00%−7,298−5.4%Reduced
Rice Hall James & Associates, LLC131,512$9.93M0.40%−11,937−8.3%Reduced
S Squared Technology, LLC133,293$10.1M5.03%00.0%Unchanged
Paradigm Capital Management Inc134,000$10.1M0.55%00.0%Unchanged
Ameriprise Financial Inc140,116$10.6M0.00%+113+0.1%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.162,410$12.3M0.04%+60,593+59.5%Added
Great Lakes Advisors, LLC178,636$13.5M0.22%+178,636New
Parametric Portfolio Associates LLC180,357$13.6M0.01%+44,542+32.8%Added
Oberweis Asset Management Inc191,790$14.5M2.90%+36,790+23.7%Added
Morgan Stanley192,282$14.5M0.00%−44,000−18.6%Reduced
Pier Capital, LLC199,453$15.1M1.92%−1,453−0.7%Reduced
Prudential Financial Inc201,281$15.2M0.02%+133,245+195.8%Added
Principal Financial Group Inc225,836$17.1M0.01%−1,608−0.7%Reduced
Federated Hermes, Inc.233,601$17.6M0.04%+4,443+1.9%Added
Thrivent Financial for Lutherans253,118$19.1M0.04%−318,919−55.8%Reduced
Goldman Sachs Group Inc296,259$22.4M0.01%+94,708+47.0%Added
Charles Schwab Investment Management Inc299,180$22.6M0.01%+57,646+23.9%Added
Assenagon Asset Management S.A.329,125$24.9M0.08%+142,384+76.2%Added
Bank of New York Mellon Corp332,749$25.1M0.00%+2,067+0.6%Added
Price T Rowe Associates Inc371,381$28.1M0.00%+371,381New
Northern Trust Corp380,782$28.8M0.01%−19,447−4.9%Reduced
Manufacturers Life Insurance Company, The383,250$28.9M0.02%−51,470−11.8%Reduced
Millennium Management LLC454,361$34.3M0.04%−79,742−14.9%Reduced
Geode Capital Management, LLC594,683$44.9M0.01%+12,533+2.2%Added
Invesco Ltd.649,200$49.0M0.01%−78,026−10.7%Reduced
Senvest Management, LLC807,234$61.0M1.75%−248,955−23.6%Reduced
State Street Corp1,084,676$81.9M0.00%+36,245+3.5%Added
Wellington Management Group LLP1,124,555$84.9M0.01%−105,858−8.6%Reduced
Driehaus Capital Management LLC1,198,358$90.5M1.11%−256,918−17.7%Reduced
Dimensional Fund Advisors LP1,557,346$117.6M0.04%−18,158−1.2%Reduced
Primecap Management Co1,934,800$146.1M0.11%−160,070−7.6%Reduced
Vanguard Group Inc2,742,101$207.1M0.00%+69,185+2.6%Added
BlackRock Inc.5,059,666$382.2M0.01%+48,051+1.0%Added
GW&K Investment Management, LLC0$00.00%−66,980−100.0%Sold out
ClariVest Asset Management LLC0$00.00%−64,062−100.0%Sold out
Intrinsic Edge Capital Management LLC0$00.00%−63,953−100.0%Sold out
Canada Pension Plan Investment Board0$00.00%−42,100−100.0%Sold out
CSM Advisors, LLC0$00.00%−32,330−100.0%Sold out
Aviva PLC0$00.00%−27,539−100.0%Sold out
PDT Partners, LLC0$00.00%−26,500−100.0%Sold out
Cetera Investment Advisers0$00.00%−10,040−100.0%Sold out
Wesbanco Bank Inc0$00.00%−7,200−100.0%Sold out
Brown Advisory Inc0$00.00%−6,874−100.0%Sold out