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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, Q4 2021

Institutional positions in Axcelis Technologies Inc as of Dec 31, 2021. 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
254
+51 vs. Q3 2021
Shares held
27.6M
−1.52M (−5.2%) vs. Q3 2021
Total value
$2.05B
+$685.5M (+50.1%) vs. Q3 2021
New holders
67
68 more added
Sold out
16
80 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 254 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 heldQ4 2021: $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, Q4 2021

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q3 2021.

Institutions holding ACLS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Credit Suisse AG24,075$1.79M0.00%−1,342−5.3%Reduced
New York State Common Retirement Fund24,050$1.79M0.00%−80.0%Reduced
State of Alaska, Department of Revenue23,588$1.76M0.02%−850−3.5%Reduced
AlphaCrest Capital Management LLC22,721$1.69M0.06%−12,398−35.3%Reduced
Deutsche Bank AG22,645$1.69M0.00%+1,999+9.7%Added
Comerica Bank28,101$1.67M0.01%−2,366−7.8%Reduced
Alpha DNA Investment Management LLC21,990$1.64M1.05%−7,533−25.5%Reduced
Martingale Asset Management L P21,684$1.62M0.02%+21,684New
Virginia Retirement Systems Et Al20,700$1.54M0.01%+500+2.5%Added
American International Group, Inc.20,254$1.51M0.01%−671−3.2%Reduced
Franklin Resources Inc19,164$1.43M0.00%+60+0.3%Added
Amalgamated Bank17,253$1.29M0.01%−247−1.4%Reduced
State of Tennessee, Treasury Department17,060$1.27M0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA16,559$1.23M0.00%−18,110−52.2%Reduced
Louisiana State Employees Retirement System16,100$1.20M0.03%−100−0.6%Reduced
Gotham Asset Management, LLC15,046$1.12M0.04%+15,046New
Boston Partners14,839$1.11M0.00%−47,450−76.2%Reduced
Wakefield Asset Management LLLP14,661$1.09M0.38%+14,661New
Qube Research & Technologies Ltd14,614$1.09M0.01%+884+6.4%Added
Winton Group Ltd14,430$1.08M0.07%−13,464−48.3%Reduced
Raymond James & Associates14,419$1.07M0.00%+8,545+145.5%Added
AE Wealth Management LLC14,331$1.07M0.01%−1,080−7.0%Reduced
Renaissance Technologies LLC14,099$1.05M0.00%−42,600−75.1%Reduced
Maryland State Retirement & Pension System13,220$986.0K0.03%−90−0.7%Reduced
Oregon Public Employees Retirement Fund12,884$961.0K0.01%−809−5.9%Reduced
Bailard, Inc.11,600$865.0K0.03%+2,200+23.4%Added
MetLife Investment Management11,583$863.6K0.01%00.0%Unchanged
Simplex Trading, LLC11,569$862.0K0.03%+11,504+17,698.5%Added
Moors & Cabot, Inc.10,980$819.0K0.05%+3,180+40.8%Added
STRS Ohio10,900$812.0K0.00%+7,600+230.3%Added
Shell Asset Management Co10,676$796.0K0.02%+40+0.4%Added
New York State Teachers Retirement System10,567$788.0K0.00%−100−0.9%Reduced
Group One Trading, L.P.10,144$756.0K0.01%+10,144New
Cetera Investment Advisers10,040$749.0K0.01%+10,040New
Squarepoint Ops LLC9,730$725.0K0.00%+4,777+96.4%Added
Handelsbanken Fonder AB9,700$723.0K0.00%00.0%Unchanged
Hancock Whitney Corp9,356$698.0K0.02%−86−0.9%Reduced
Quantbot Technologies LP9,200$685.0K0.06%+5,700+162.9%Added
Bank of Montreal9,139$674.0K0.00%−3,064−25.1%Reduced
Arizona State Retirement System9,037$674.0K0.01%−115−1.3%Reduced
Metropolitan Life Insurance Co8,865$661.0K0.01%00.0%Unchanged
Ensign Peak Advisors, Inc8,740$652.0K0.00%−27,960−76.2%Reduced
Algert Global LLC8,331$621.0K0.08%−33,210−79.9%Reduced
ProShare Advisors LLC8,323$621.0K0.00%+3,187+62.1%Added
Occudo Quantitative Strategies LP8,086$603.0K0.05%+2,553+46.1%Added
Everence Capital Management Inc7,890$588.0K0.04%00.0%Unchanged
Eagle Bay Advisors LLC7,600$567.0K0.37%−4,000−34.5%Reduced
Wesbanco Bank Inc7,200$537.0K0.02%00.0%Unchanged
White Pine Capital LLC7,100$529.0K0.16%00.0%Unchanged
Gamco Investors, Inc. Et Al7,020$523.0K0.00%−700−9.1%Reduced
Maryland Capital Management6,904$515.0K0.03%+922+15.4%Added
Royal Bank of Canada6,903$514.0K0.00%+2,383+52.7%Added
Brown Advisory Inc6,874$513.0K0.00%+6,874New
Janus Henderson Group PLC6,823$509.0K0.00%+6,823New
Gabelli & Co Investment Advisers, Inc.6,700$500.0K0.07%00.0%Unchanged
Envestnet Asset Management Inc6,602$492.0K0.00%+719+12.2%Added
Advisor Group Holdings, Inc.6,529$489.0K0.00%+4,966+317.7%Added
GWM Advisors LLC6,496$484.0K0.01%+6,496New
Bellecapital International Ltd.6,476$483.0K0.14%−2,224−25.6%Reduced
Susquehanna Fundamental Investments, LLC6,400$477.0K0.01%−6,586−50.7%Reduced
Teacher Retirement System of Texas6,331$472.0K0.00%+918+17.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)6,205$463.0K0.00%+2,158+53.3%Added
HSBC Holdings PLC6,000$445.0K0.00%+1,684+39.0%Added
Lincoln National Corp5,944$443.0K0.01%−40−0.7%Reduced
Cornerstone Investment Partners, LLC5,162$385.0K0.02%00.0%Unchanged
First Citizens Bank & Trust Co5,061$378.0K0.01%−456−8.3%Reduced
ExodusPoint Capital Management, LP5,017$374.0K0.00%+5,017New
Lazard Asset Management LLC4,996$372.0K0.00%+2,148+75.4%Added
Mutual of America Capital Management LLC4,552$339.0K0.00%+75+1.7%Added
Diversified Trust Co4,479$334.0K0.01%+196+4.6%Added
Telemus Capital, LLC4,418$329.0K0.03%+4,418New
Cambridge Investment Research Advisors, Inc.4,154$310.0K0.00%+4,154New
Steward Partners Investment Advisory, LLC4,116$307.0K0.00%−43−1.0%Reduced
State of Wyoming4,126$307.0K0.14%+1,441+53.7%Added
Stanley-Laman Group, Ltd.4,049$302.0K0.04%+4,049New
Roman Butler Fullerton & Co3,975$296.0K0.13%+3,975New
Commonwealth Equity Services, LLC3,968$295.0K0.00%+3,968New
Annex Advisory Services, LLC3,871$289.0K0.02%+3,871New
Baird Financial Group, Inc.3,777$282.0K0.00%−1,026−21.4%Reduced
Voloridge Investment Management, LLC3,759$280.0K0.00%+3,759New
Mackenzie Financial Corp3,678$274.0K0.00%+3,678New
Stifel Financial Corp3,476$259.0K0.00%+3,476New
Edmond de Rothschild Holding S.A.3,438$256.0K0.01%+3,438New
Blueshift Asset Management, LLC3,390$253.0K0.02%+3,390New
KBC Group NV3,355$250.0K0.00%+3,355New
Versor Investments LP3,200$239.0K0.01%+3,200New
Profund Advisors LLC3,069$229.0K0.01%+3,069New
XTX Topco Ltd3,055$228.0K0.13%+3,055New
Guggenheim Capital LLC2,984$222.0K0.00%+2,984New
Crossmark Global Holdings, Inc.2,940$219.0K0.00%+2,940New
Raymond James Financial Services Advisors, Inc.2,886$215.0K0.00%+2,886New
CIBC Private Wealth Group, LLC2,837$212.0K0.00%+2,837New
Schonfeld Strategic Advisors LLC2,800$209.0K0.00%+2,800New
Graham Capital Management, L.P.2,772$206.0K0.01%+2,772New
Ameritas Investment Partners, Inc.2,553$190.0K0.01%00.0%Unchanged
Koshinski Asset Management, Inc.2,170$161.8K0.01%00.0%Unchanged
Maverick Capital LtdSuperinvestorMaverick Capital1,944$145.0K0.00%+1,944New
USA Financial Portformulas Corp1,917$143.0K0.12%−1,354−41.4%Reduced
Tower Research Capital LLC (TRC)1,700$127.0K0.00%+943+124.6%Added
The PNC Financial Services Group, Inc.1,656$124.0K0.00%+32+2.0%Added