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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; 443 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 2024

Institutional positions in Axcelis Technologies Inc as of Dec 31, 2024. 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
325
−41 vs. Q3 2024
Shares held
30.9M
+640.9K (+2.1%) vs. Q3 2024
Total value
$2.16B
−$1.01B (−31.8%) vs. Q3 2024
New holders
59
126 more added
Sold out
100
92 more reduced

3 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 325 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: 443 institutions
Value heldQ4 2024: $2.16B
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 2026443$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 2024

Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q3 2024.

Institutions holding ACLS in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Twinbeech Capital LP3,844$268.6K0.00%+3,844New
Mariner, LLC3,748$261.9K0.00%−320−7.9%Reduced
Essex Investment Management Co LLC3,725$260.3K0.05%00.0%Unchanged
ARGA Investment Management, LP3,696$258.2K0.01%00.0%Unchanged
Allspring Global Investments Holdings, LLC3,671$256.5K0.00%+8+0.2%Added
Centiva Capital, LP3,612$252.4K0.01%−17,302−82.7%Reduced
Profund Advisors LLC3,608$252.1K0.01%−62−1.7%Reduced
Public Employees Retirement Association of Colorado3,457$242.0K0.00%00.0%Unchanged
Shell Asset Management Co3,422$239.0K0.01%00.0%Unchanged
Ameritas Investment Partners, Inc.3,300$230.6K0.01%00.0%Unchanged
Qsemble Capital Management, LP3,289$229.8K0.03%+1,355+70.1%Added
Aigen Investment Management, LP3,190$222.9K0.04%+3,190New
Lido Advisors, LLC3,066$214.2K0.00%+3,066New
CIBC World Markets Corp3,048$213.0K0.00%+3,048New
Breed's Hill Capital LLC3,000$209.6K0.11%+3,000New
LRI Investments, LLC2,966$207.2K0.02%+2,628+777.5%Added
PharVision Advisers, LLC2,922$204.2K0.17%+2,922New
Aster Capital Management (DIFC) Ltd2,845$198.8K0.08%+2,704+1,917.7%Added
Advisor Group Holdings, Inc.2,659$185.8K0.00%−7,105−72.8%Reduced
Perkins Coie Trust Co2,450$171.2K0.04%00.0%Unchanged
Headlands Technologies LLC2,239$156.4K0.02%+2,239New
Chilton Capital Management LLC2,000$139.7K0.01%00.0%Unchanged
Covestor Ltd1,971$138.0K0.09%+470+31.3%Added
The PNC Financial Services Group, Inc.1,933$135.1K0.00%−1,904−49.6%Reduced
Edmond de Rothschild Holding S.A.1,910$133.5K0.00%+585+44.2%Added
New Age Alpha Advisors, LLC1,871$130.7K0.01%+1,871New
Advisors Asset Management, Inc.1,693$118.3K0.00%+400+30.9%Added
Walleye Capital LLC1,430$99.9K0.00%−3,368−70.2%Reduced
KBC Group NV1,371$96.0K0.00%+437+46.8%Added
Northwestern Mutual Wealth Management Co1,300$90.8K0.00%+50+4.0%Added
EMC Capital Management1,168$82.0K0.05%−29,915−96.2%Reduced
CWM, LLC1,147$80.0K0.00%−625−35.3%Reduced
Palouse Capital Management, Inc.1,135$79.3K0.05%+1,135New
PEAK6 LLC1,003$70.1K0.00%+1,003New
Future Financial Wealth Managment LLC1,000$69.9K0.05%00.0%Unchanged
Steward Partners Investment Advisory, LLC902$63.0K0.00%−923−50.6%Reduced
US Bancorp834$58.3K0.00%−3,297−79.8%Reduced
GAMMA Investing LLC834$58.3K0.00%−165−16.5%Reduced
Parkside Financial Bank & Trust737$51.5K0.01%+112+17.9%Added
Quarry LP714$49.9K0.01%+666+1,387.5%Added
Beacon Capital Management, LLC708$49.5K0.01%00.0%Unchanged
Lazard Asset Management LLC706$49.0K0.00%−449−38.9%Reduced
Quadrant Capital Group LLC687$48.0K0.00%−315−31.4%Reduced
Salem Investment Counselors Inc685$47.9K0.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd675$47.2K0.05%+675New
Smartleaf Asset Management LLC668$46.8K0.00%+433+184.3%Added
Allworth Financial LP591$41.7K0.00%+76+14.8%Added
Truvestments Capital LLC563$39.3K0.01%−95−14.4%Reduced
Capital Advisors, Ltd. LLC500$35.0K0.00%+467+1,415.2%Added
Ancora Advisors, LLC500$34.9K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC489$34.2K0.00%+450+1,153.8%Added
Tower Research Capital LLC (TRC)486$34.0K0.00%−10,557−95.6%Reduced
Nisa Investment Advisors, LLC403$28.2K0.00%−666−62.3%Reduced
Caitlin John, LLC365$25.5K0.02%+50+15.9%Added
Signaturefd, LLC364$25.4K0.00%+173+90.6%Added
Global Financial Private Client, LLC345$24.1K0.01%+1+0.3%Added
Farther Finance Advisors, LLC336$23.5K0.00%−151−31.0%Reduced
Group One Trading, L.P.335$23.4K0.00%+335New
Parallel Advisors, LLC288$20.1K0.00%+145+101.4%Added
VSM Wealth Advisory, LLC275$19.2K0.01%+275New
Jones Financial Companies LLLP274$19.1K0.00%+55+25.1%Added
Versant Capital Management, Inc267$18.7K0.00%+134+100.8%Added
CIBC Private Wealth Group, LLC254$18.6K0.00%+95+59.7%Added
Public Employees Retirement System of Ohio243$17.0K0.00%+243New
Castleview Partners, LLC230$16.1K0.01%00.0%Unchanged
Fifth Third Bancorp223$15.6K0.00%−2,539−91.9%Reduced
Umb Bank N A212$14.8K0.00%−68−24.3%Reduced
Rakuten Securities, Inc.191$13.3K0.01%+141+282.0%Added
SBI Securities Co., Ltd.191$13.3K0.00%+191New
Principal Securities, Inc.173$12.1K0.00%+51+41.8%Added
Bessemer Group Inc174$12.0K0.00%+72+70.6%Added
Oarsman Capital, Inc.170$11.9K0.00%+10+6.3%Added
Ronald Blue Trust, Inc.170$11.9K0.00%−168−49.7%Reduced
Massmutual Trust Co FSB168$11.7K0.00%+46+37.7%Added
Toth Financial Advisory Corp150$10.5K0.00%00.0%Unchanged
Bullock Wealth Management Group142$9.92K0.01%00.0%Unchanged
Optimum Investment Advisors140$9.78K0.00%00.0%Unchanged
Assetmark, Inc126$8.80K0.00%+20+18.9%Added
Stonebridge Financial Group, LLC120$8.38K0.00%+120New
Central Trust Co113$7.90K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC106$7.41K0.00%+6+6.0%Added
Sunbelt Securities, Inc.100$7.00K0.00%+100New
Pension & Wealth Management Advisors, Inc.95$6.64K0.00%00.0%Unchanged
Fourth Dimension Wealth, LLC92$6.43K0.00%+92New
Smithfield Trust Co80$6.00K0.00%00.0%Unchanged
GWM Advisors LLC84$5.87K0.00%−2,917−97.2%Reduced
LGT Financial Advisors LLC74$5.17K0.01%00.0%Unchanged
Lindbrook Capital, LLC66$4.61K0.00%+32+94.1%Added
Key Financial Inc60$4.19K0.00%00.0%Unchanged
Huntington National Bank59$4.05K0.00%−411−87.4%Reduced
Cape Investment Advisory, Inc.55$3.84K0.00%+10+22.2%Added
IFP Advisors, Inc51$3.56K0.00%+12+30.8%Added
Richardson Capital Management LLC51$3.56K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC50$3.49K0.00%+50New
Private Trust Co NA43$3.00K0.00%00.0%Unchanged
Hollencrest Capital Management43$3.00K0.00%+43New
Global Retirement Partners, LLC38$2.65K0.00%+2+5.6%Added
Sterling Capital Management LLC33$2.31K0.00%00.0%Unchanged
McIlrath & Eck, LLC32$2.24K0.00%00.0%Unchanged
Rothschild Investment LLC30$2.10K0.00%−5−14.3%Reduced