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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
Glassman Wealth Services2$2590.00%−6−75.0%Reduced
Kelly Financial Services LLC3$3890.00%+3New
AdvisorNet Financial, Inc4$5190.00%−1−20.0%Reduced
DiNuzzo Private Wealth, Inc.4$5190.00%+4New
Lindbrook Capital, LLC5$6480.00%−11−68.8%Reduced
Abound Wealth Management5$6490.00%+3+150.0%Added
Bell Investment Advisors, Inc6$7790.00%−4−40.0%Reduced
First Pacific Financial7$9080.00%+7New
Spire Wealth Management7$9210.00%−1−12.5%Reduced
Parkside Financial Bank & Trust8$1.04K0.00%−81−91.0%Reduced
SJS Investment Consulting Inc.8$1.04K0.00%00.0%Unchanged
Arlington Trust Co LLC10$1.30K0.00%+10New
Atticus Wealth Management, LLC11$1.43K0.00%+11New
Global Wealth Management Investment Advisory, Inc.12$1.56K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC12$1.56K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc15$1.95K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC16$2.08K0.00%+16New
Private Wealth Management Group, LLC16$2.08K0.00%+16New
Focused Wealth Management, Inc18$2.33K0.00%00.0%Unchanged
Adirondack Trust Co22$2.48K0.00%+22New
Parallel Advisors, LLC23$2.98K0.00%−45−66.2%Reduced
Creative Financial Designs Inc25$3.24K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc25$3.24K0.00%00.0%Unchanged
National Bank of Canada27$3.37K0.00%−48−64.0%Reduced
Crewe Advisors LLC27$3.50K0.00%+27New
Harbour Investments, Inc.30$3.89K0.00%00.0%Unchanged
Hillsdale Investment Management Inc.30$3.89K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC33$4.00K0.00%00.0%Unchanged
Gradient Investments LLC31$4.02K0.00%00.0%Unchanged
McIlrath & Eck, LLC32$4.15K0.00%−26−44.8%Reduced
Davidson Capital Management Inc.33$4.28K0.00%00.0%Unchanged
Mascoma Wealth Management LLC35$4.54K0.00%00.0%Unchanged
Caitlin John, LLC35$4.54K0.00%+35New
EverSource Wealth Advisors, LLC36$4.67K0.00%+4+12.5%Added
Macroview Investment Management LLC39$5.06K0.01%00.0%Unchanged
Pineridge Advisors LLC41$5.32K0.00%+41New
Quarry LP45$5.84K0.00%+45New
Optimum Investment Advisors50$6.49K0.00%00.0%Unchanged
Signaturefd, LLC56$7.26K0.00%−62−52.5%Reduced
Raleigh Capital Management Inc.59$7.65K0.00%−89−60.1%Reduced
Key Financial Inc60$7.78K0.00%00.0%Unchanged
ICA Group Wealth Management, LLC60$7.78K0.00%+60New
LGT Financial Advisors LLC74$9.60K0.01%00.0%Unchanged
Core Wealth Advisors, Inc.77$9.99K0.00%00.0%Unchanged
Smithfield Trust Co80$10.0K0.00%+80New
Pension & Wealth Management Advisors, Inc.95$12.3K0.01%00.0%Unchanged
Daiwa Securities Group Inc.100$13.0K0.00%+100New
Central Trust Co113$14.7K0.00%00.0%Unchanged
Public Employees Retirement System of Ohio123$16.0K0.00%−12−8.9%Reduced
GAMMA Investing LLC127$16.5K0.00%+127New
First Horizon Advisors, Inc.131$17.0K0.00%00.0%Unchanged
Richardson Financial Services Inc.133$17.2K0.02%+133New
Pacer Advisors, Inc.144$18.7K0.00%−126−46.7%Reduced
Sandy Spring Bank145$18.8K0.00%00.0%Unchanged
Psagot Value Holdings Ltd. / (Israel)146$19.0K0.01%+56+62.2%Added
Toth Financial Advisory Corp150$19.5K0.00%00.0%Unchanged
Castleview Partners, LLC160$20.8K0.01%+130+433.3%Added
Proequities, Inc.160$20.8K0.00%+158+7,900.0%Added
Versant Capital Management, Inc162$21.0K0.01%−61−27.4%Reduced
McGlone Suttner Wealth Management, Inc.168$21.8K0.00%+168New
Clearstead Advisors, LLC188$24.4K0.00%−12−6.0%Reduced
NBC Securities, Inc.199$25.0K0.00%+27+15.7%Added
Fifth Third Bancorp195$25.3K0.00%+20+11.4%Added
Rakuten Securities, Inc.207$26.8K0.02%+207New
C M Bidwell & Associates Ltd209$27.1K0.02%00.0%Unchanged
Umb Bank N A228$29.6K0.00%−149−39.5%Reduced
Global Retirement Partners, LLC322$38.5K0.00%+297+1,188.0%Added
IFP Advisors, Inc310$40.2K0.00%+10+3.3%Added
Private Trust Co NA313$40.6K0.00%+270+627.9%Added
Bessemer Group Inc325$43.0K0.00%−44−11.9%Reduced
Farther Finance Advisors, LLC339$44.0K0.00%+269+384.3%Added
Ronald Blue Trust, Inc.305$50.0K0.00%+153+100.7%Added
Global Financial Private Client, LLC403$52.3K0.02%+125+45.0%Added
Resurgent Financial Advisors LLC420$54.5K0.03%00.0%Unchanged
Assetmark, Inc474$61.5K0.00%+414+690.0%Added
Exchange Traded Concepts, LLC479$62.1K0.00%+42+9.6%Added
Ancora Advisors, LLC500$64.8K0.00%00.0%Unchanged
Huntington National Bank505$65.4K0.00%+4+0.8%Added
Allworth Financial LP513$66.5K0.00%+3+0.6%Added
Advisors Asset Management, Inc.570$73.9K0.00%+117+25.8%Added
Quadrant Capital Group LLC575$74.6K0.01%−323−36.0%Reduced
Kessler Investment Group, LLC594$77.0K0.05%+594New
Kapitalo Investimentos Ltda601$77.9K0.02%−180−23.0%Reduced
Virtus Fund Advisers, LLC660$85.6K0.53%−88−11.8%Reduced
Salem Investment Counselors Inc685$88.8K0.00%00.0%Unchanged
KBC Group NV717$93.0K0.00%00.0%Unchanged
Clear Street Markets LLC718$93.0K0.04%+718New
Global X Japan Co., Ltd.839$108.8K0.06%+839New
Edmond de Rothschild Holding S.A.875$113.5K0.00%00.0%Unchanged
Beacon Capital Management, LLC708$115.4K0.03%00.0%Unchanged
Massmutual Trust Co FSB930$120.6K0.00%−199−17.6%Reduced
Covestor Ltd1,144$148.0K0.10%+52+4.8%Added
Northwestern Mutual Wealth Management Co1,250$162.1K0.00%+500+66.7%Added
Principal Securities, Inc.1,328$172.2K0.01%+1,328New
Nisa Investment Advisors, LLC1,372$177.9K0.00%+50+3.8%Added
EMC Capital Management1,430$185.0K0.12%00.0%Unchanged
Cranbrook Wealth Management, LLC1,447$187.7K0.05%00.0%Unchanged
State of Wyoming1,473$191.0K0.04%−256−14.8%Reduced
Quest Partners LLC1,503$194.9K0.04%+1,503New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,514$196.3K0.01%−246−14.0%Reduced