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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, Q3 2021

Institutional positions in Axcelis Technologies Inc as of Sep 30, 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
205
+17 vs. Q2 2021
Shares held
29.1M
+235.6K (+0.8%) vs. Q2 2021
Total value
$1.37B
+$201.9M (+17.3%) vs. Q2 2021
New holders
36
52 more added
Sold out
19
80 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 205 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 heldQ3 2021: $1.37B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2021.

Institutions holding ACLS in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Assetmark, Inc10$00.00%00.0%Unchanged
Quadrant Capital Group LLC4$00.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc15$1.00K0.00%00.0%Unchanged
Gradient Investments LLC31$1.00K0.00%00.0%Unchanged
NEXT Financial Group, Inc29$1.00K0.00%00.0%Unchanged
Berman Capital Advisors, LLC23$1.00K0.00%00.0%Unchanged
Signaturefd, LLC23$1.00K0.00%+23New
Enterprise Financial Services Corp39$2.00K0.00%00.0%Unchanged
Fieldpoint Private Securities, LLC50$2.00K0.00%00.0%Unchanged
Fifth Third Bancorp46$2.00K0.00%+46New
Manchester Capital Management LLC52$2.00K0.00%+52New
Simplex Trading, LLC65$2.00K0.00%+65New
Rockbridge Investment Management, LCC65$3.00K0.00%00.0%Unchanged
FourThought Financial, LLC68$3.00K0.00%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC60$3.00K0.00%+60New
Eaton Vance Management1,491$5.00K0.00%+382+34.4%Added
Truvestments Capital LLC100$5.00K0.00%00.0%Unchanged
IronBridge Private Wealth, LLC100$5.00K0.00%00.0%Unchanged
Howe & Rusling Inc120$6.00K0.00%−17−12.4%Reduced
Meeder Asset Management Inc133$6.00K0.00%+55+70.5%Added
Parkside Financial Bank & Trust139$7.00K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.158$7.00K0.00%00.0%Unchanged
O'Shaughnessy Asset Management, LLC154$7.00K0.00%+154New
Sageworth Trust Co200$9.00K0.00%00.0%Unchanged
Macroview Investment Management LLC193$9.00K0.01%+193New
Versant Capital Management, Inc202$10.0K0.00%+7+3.6%Added
Sutton Wealth Advisors Inc.218$10.3K0.00%00.0%Unchanged
Harbour Investments, Inc.227$11.0K0.00%−4−1.7%Reduced
Huntington National Bank312$15.0K0.00%00.0%Unchanged
Counterpoint Mutual Funds LLC422$20.0K0.02%+422New
American Portfolios Advisors450$21.2K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec500$23.5K0.00%00.0%Unchanged
US Bancorp509$24.0K0.00%−259−33.7%Reduced
Ancora Advisors, LLC500$24.0K0.00%00.0%Unchanged
Coastal Capital Group, Inc.500$24.0K0.01%00.0%Unchanged
FMR LLC619$29.0K0.00%−23−3.6%Reduced
Macquarie Group Ltd656$31.0K0.00%00.0%Unchanged
Salem Investment Counselors Inc685$32.0K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.750$35.0K0.02%+485+183.0%Added
Tower Research Capital LLC (TRC)757$36.0K0.00%−7,051−90.3%Reduced
Advisor Group Holdings, Inc.1,563$74.0K0.00%+905+137.5%Added
The PNC Financial Services Group, Inc.1,624$77.0K0.00%−38−2.3%Reduced
Captrust Financial Advisors1,712$81.0K0.00%−668−28.1%Reduced
Koshinski Asset Management, Inc.2,170$102.1K0.01%+2,170New
First Mercantile Trust Co2,434$114.0K0.02%−186−7.1%Reduced
Ameritas Investment Partners, Inc.2,553$120.0K0.00%−260−9.2%Reduced
State of Wyoming2,685$126.0K0.08%+1,112+70.7%Added
Lazard Asset Management LLC2,848$133.0K0.00%−231−7.5%Reduced
USA Financial Portformulas Corp3,271$154.0K0.14%+691+26.8%Added
STRS Ohio3,300$155.0K0.00%−6,300−65.6%Reduced
Quantbot Technologies LP3,500$164.0K0.01%+3,500New
Zurcher Kantonalbank (Zurich Cantonalbank)4,047$190.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC4,159$196.0K0.00%+421+11.3%Added
Diversified Trust Co4,283$201.0K0.01%+4,283New
HSBC Holdings PLC4,316$204.0K0.00%+4,316New
Mutual of America Capital Management LLC4,477$211.0K0.00%−300−6.3%Reduced
Royal Bank of Canada4,520$212.0K0.00%+1,034+29.7%Added
Fox Run Management, L.L.C.4,594$216.0K0.14%−457−9.0%Reduced
Baird Financial Group, Inc.4,803$226.0K0.00%−264−5.2%Reduced
Squarepoint Ops LLC4,953$233.0K0.00%+4,953New
ProShare Advisors LLC5,136$242.0K0.00%−4,420−46.3%Reduced
Cornerstone Investment Partners, LLC5,162$243.0K0.01%−1,173−18.5%Reduced
Teacher Retirement System of Texas5,413$255.0K0.00%+5,413New
First Citizens Bank & Trust Co5,517$260.0K0.01%−69−1.2%Reduced
Occudo Quantitative Strategies LP5,533$260.0K0.03%+5,533New
Raymond James & Associates5,874$276.0K0.00%+5,874New
Envestnet Asset Management Inc5,883$277.0K0.00%−154−2.6%Reduced
Lincoln National Corp5,984$281.0K0.01%00.0%Unchanged
Maryland Capital Management5,982$281.0K0.02%+205+3.5%Added
Gabelli & Co Investment Advisers, Inc.6,700$315.0K0.04%+6,700New
White Pine Capital LLC7,100$334.0K0.10%00.0%Unchanged
Wesbanco Bank Inc7,200$339.0K0.01%−400−5.3%Reduced
Gsa Capital Partners LLP7,287$343.0K0.03%+7,287New
Gamco Investors, Inc. Et Al7,720$363.0K0.00%+1,020+15.2%Added
Moors & Cabot, Inc.7,800$367.0K0.02%−200−2.5%Reduced
Walleye Trading LLC7,838$369.0K0.01%+7,838New
Everence Capital Management Inc7,890$371.0K0.03%00.0%Unchanged
Engineers Gate Manager LP8,077$380.0K0.02%+8,077New
American Century Companies Inc8,355$393.0K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.8,706$409.0K0.00%+8,706New
Bellecapital International Ltd.8,700$409.0K0.12%+8,700New
PEAK6 Investments LLC8,723$410.0K0.01%−4,337−33.2%Reduced
Metropolitan Life Insurance Co8,865$416.9K0.01%−1,519−14.6%Reduced
Arizona State Retirement System9,152$430.0K0.00%+10+0.1%Added
Bailard, Inc.9,400$442.0K0.02%+9,400New
Hancock Whitney Corp9,442$444.0K0.02%−41−0.4%Reduced
Bridgeway Capital Management, LLC9,600$451.0K0.01%+9,600New
Handelsbanken Fonder AB9,700$456.0K0.00%00.0%Unchanged
Shell Asset Management Co10,636$500.0K0.01%−460−4.1%Reduced
New York State Teachers Retirement System10,667$502.0K0.00%00.0%Unchanged
Quantinno Capital Management LP10,966$516.0K0.58%00.0%Unchanged
MetLife Investment Management11,583$544.7K0.00%−2,351−16.9%Reduced
Eagle Bay Advisors LLC11,600$547.0K0.32%+4,000+52.6%Added
Jane Street Group, LLC12,260$577.0K0.00%−5,830−32.2%Reduced
Bank of Montreal12,203$608.0K0.00%−233−1.9%Reduced
Susquehanna Fundamental Investments, LLC12,986$611.0K0.01%+4,600+54.9%Added
Maryland State Retirement & Pension System13,310$637.0K0.02%+13,310New
Oregon Public Employees Retirement Fund13,693$644.0K0.01%−100−0.7%Reduced
Qube Research & Technologies Ltd13,730$646.0K0.01%−415−2.9%Reduced
AE Wealth Management LLC15,411$725.0K0.01%+15,411New