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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 2023

Institutional positions in Axcelis Technologies Inc as of Dec 31, 2023. 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
421
+6 vs. Q3 2023
Shares held
29.4M
−186.8K (−0.6%) vs. Q3 2023
Total value
$3.81B
−$1.03B (−21.4%) vs. Q3 2023
New holders
71
161 more added
Sold out
65
132 more reduced

6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 421 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 2023: $3.81B
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 2023

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q3 2023.

Institutions holding ACLS in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Kennedy Capital Management, Inc.5,007$649.4K0.01%−15,259−75.3%Reduced
Pitcairn Co5,042$653.9K0.05%+13+0.3%Added
Two Sigma Securities, LLC5,079$658.7K0.03%+914+21.9%Added
Y-Intercept (Hong Kong) Ltd5,091$660.3K0.06%+406+8.7%Added
Susquehanna Portfolio Strategies, LLC5,143$667.0K0.01%+5,143New
Cambridge Investment Research Advisors, Inc.5,191$673.0K0.00%+635+13.9%Added
Asset Management One Co.,Ltd.5,093$674.1K0.00%+2,575+102.3%Added
Pathstone Holdings, LLC5,219$676.9K0.00%+5,219New
PEAK6 Investments LLC5,494$712.5K0.03%−1,254−18.6%Reduced
Jackson Creek Investment Advisors LLC5,519$716.0K0.27%−10.0%Reduced
Brevan Howard Capital Management LP5,582$723.9K0.07%+5,582New
Everence Capital Management Inc5,580$724.0K0.05%00.0%Unchanged
Juncture Wealth Strategies, LLC5,612$727.8K0.33%−1,892−25.2%Reduced
XTX Topco Ltd5,712$740.8K0.16%+2,820+97.5%Added
Wakefield Asset Management LLLP5,937$770.0K0.29%+589+11.0%Added
Morse Asset Management, Inc6,343$823.0K0.24%−1,290−16.9%Reduced
Advisory Research Inc6,613$857.6K0.13%−11,149−62.8%Reduced
Mariner, LLC6,624$859.1K0.00%+3,700+126.5%Added
Stratos Wealth Partners, LTD.6,703$869.3K0.02%−77−1.1%Reduced
MML Investors Services, LLC6,793$881.0K0.00%+4,451+190.1%Added
Zacks Investment Management6,874$891.5K0.01%−795−10.4%Reduced
Alberta Investment Management Corp6,900$894.9K0.01%00.0%Unchanged
Castellan Group, LLC6,930$898.8K0.56%−21,945−76.0%Reduced
ClariVest Asset Management LLC6,986$906.0K0.05%−6,151−46.8%Reduced
Handelsbanken Fonder AB7,000$908.0K0.00%+200+2.9%Added
Commonwealth Equity Services, LLC7,057$915.0K0.00%−1,507−17.6%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys7,067$916.5K0.01%−14,873−67.8%Reduced
White Pine Capital LLC7,100$920.8K0.35%00.0%Unchanged
GWM Advisors LLC7,165$929.2K0.01%−1,661−18.8%Reduced
Eagle Bay Advisors LLC7,185$931.8K0.59%00.0%Unchanged
Wolverine Trading, LLC7,391$958.5K0.01%+2,016+37.5%Added
North Star Investment Management Corp.7,392$958.7K0.07%00.0%Unchanged
AE Wealth Management LLC7,394$970.8K0.00%+1,290+21.1%Added
Moors & Cabot, Inc.8,019$1.04M0.06%−1,511−15.9%Reduced
Advisory Services Network, LLC8,074$1.05M0.03%−5,091−38.7%Reduced
Benjamin F. Edwards & Company, Inc.8,173$1.06M0.02%+64+0.8%Added
Hancock Whitney Corp8,391$1.09M0.04%−195−2.3%Reduced
STRS Ohio8,900$1.15M0.00%00.0%Unchanged
Arizona State Retirement System9,174$1.19M0.01%−139−1.5%Reduced
Federation des caisses Desjardins du Quebec9,293$1.21M0.01%+8,878+2,139.3%Added
State Board of Administration of Florida Retirement System9,310$1.21M0.00%00.0%Unchanged
Globeflex Capital L P9,338$1.21M0.12%00.0%Unchanged
Oregon Public Employees Retirement Fund9,589$1.24M0.02%−169−1.7%Reduced
ProShare Advisors LLC9,736$1.26M0.00%+998+11.4%Added
Bank Julius Baer & Co. Ltd, Zurich9,839$1.28M0.01%+102+1.0%Added
Versor Investments LP9,946$1.29M0.26%+2,381+31.5%Added
Van Eck Associates Corp10,064$1.30M0.00%+2,877+40.0%Added
TD Asset Management Inc10,100$1.31M0.00%+1,200+13.5%Added
Nebula Research & Development LLC10,216$1.32M0.40%+5,297+107.7%Added
Robeco Institutional Asset Management B.V.10,249$1.33M0.00%−1,074−9.5%Reduced
Cavalier Investments, LLC10,258$1.33M0.49%+240+2.4%Added
Teacher Retirement System of Texas10,426$1.35M0.01%−5,857−36.0%Reduced
Hussman Strategic Advisors, Inc.10,500$1.36M0.31%+4,200+66.7%Added
Atria Wealth Solutions, Inc.10,511$1.36M0.02%−1,355−11.4%Reduced
Legato Capital Management LLC10,533$1.37M0.18%−3,485−24.9%Reduced
Horizon Investment Services, LLC10,890$1.41M0.76%−145−1.3%Reduced
Fox Run Management, L.L.C.11,115$1.44M0.37%+11,115New
Zurcher Kantonalbank (Zurich Cantonalbank)11,339$1.47M0.01%+321+2.9%Added
Dana Investment Advisors, Inc.11,373$1.47M0.07%+1,601+16.4%Added
Beck Capital Management, LLC11,877$1.54M0.53%+4,482+60.6%Added
Maryland State Retirement & Pension System11,902$1.54M0.03%−186−1.5%Reduced
Janney Montgomery Scott LLC11,922$1.55M0.01%−4,817−28.8%Reduced
Raymond James & Associates12,459$1.62M0.00%−5,934−32.3%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.13,681$1.65M0.00%+13,660+65,047.6%Added
Redwood Investments, LLC13,391$1.74M0.45%−37,254−73.6%Reduced
Vestcor Inc13,583$1.76M0.06%00.0%Unchanged
Axiom Investors LLC13,721$1.78M0.02%−3,663−21.1%Reduced
Amalgamated Bank14,003$1.82M0.01%−665−4.5%Reduced
Ensign Peak Advisors, Inc14,040$1.82M0.00%+3,500+33.2%Added
Jump Financial, LLC14,772$1.92M0.06%+11,936+420.9%Added
Crown Advisors Management, Inc.15,000$1.95M1.33%00.0%Unchanged
FORA Capital, LLC15,367$1.99M0.17%+10,225+198.9%Added
Russell Investments Group, Ltd.15,494$2.01M0.00%−49,400−76.1%Reduced
CWM Advisors, LLC15,519$2.01M0.22%+15,519New
Teachers Retirement System of the State of Kentucky15,715$2.04M0.02%−1,122−6.7%Reduced
Edgestream Partners, L.P.15,751$2.04M0.15%+3,959+33.6%Added
Louisiana State Employees Retirement System16,400$2.13M0.04%−300−1.8%Reduced
Manufacturers Life Insurance Company, The16,982$2.20M0.00%−218−1.3%Reduced
Yousif Capital Management, LLC17,046$2.21M0.03%−713−4.0%Reduced
MetLife Investment Management17,056$2.21M0.02%00.0%Unchanged
Centiva Capital, LP17,306$2.24M0.14%+9,891+133.4%Added
American International Group, Inc.17,750$2.30M0.01%−153−0.9%Reduced
Squarepoint Ops LLC18,092$2.35M0.01%−18,641−50.7%Reduced
Nicholas Investment Partners, LP18,112$2.35M0.27%−1,230−6.4%Reduced
Perigon Wealth Management, LLC18,358$2.38M0.08%−61−0.3%Reduced
Susquehanna International Group, LLP19,185$2.49M0.00%−14,777−43.5%Reduced
Point72 Hong Kong Ltd19,217$2.49M0.15%+19,217New
Magnetar Financial LLC19,308$2.50M0.06%+16,230+527.3%Added
Ziegler Capital Management, LLC19,385$2.51M0.11%+19,385New
Illinois Municipal Retirement Fund19,633$2.55M0.04%+724+3.8%Added
State of New Jersey Common Pension Fund D19,899$2.58M0.01%+1,741+9.6%Added
State of Tennessee, Treasury Department20,134$2.61M0.01%+1,423+7.6%Added
State of Alaska, Department of Revenue20,146$2.61M0.03%−197−1.0%Reduced
Federated Hermes, Inc.20,615$2.67M0.01%+8,988+77.3%Added
Quantbot Technologies LP21,204$2.75M0.16%+15,624+280.0%Added
Guggenheim Capital LLC21,646$2.81M0.02%+12,867+146.6%Added
Franklin Resources Inc21,763$2.82M0.00%−66−0.3%Reduced
Tudor Investment Corp Et Al22,105$2.87M0.04%+18,820+572.9%Added
Trexquant Investment LP22,205$2.88M0.06%+6,200+38.7%Added
Janus Henderson Group PLC22,328$2.90M0.00%+7,508+50.7%Added