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Livermore
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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
Zacks Investment Management6,874$891.5K0.01%−795−10.4%Reduced
MML Investors Services, LLC6,793$881.0K0.00%+4,451+190.1%Added
Stratos Wealth Partners, LTD.6,703$869.3K0.02%−77−1.1%Reduced
Mariner, LLC6,624$859.1K0.00%+3,700+126.5%Added
Advisory Research Inc6,613$857.6K0.13%−11,149−62.8%Reduced
Morse Asset Management, Inc6,343$823.0K0.24%−1,290−16.9%Reduced
Wakefield Asset Management LLLP5,937$770.0K0.29%+589+11.0%Added
XTX Topco Ltd5,712$740.8K0.16%+2,820+97.5%Added
Juncture Wealth Strategies, LLC5,612$727.8K0.33%−1,892−25.2%Reduced
Everence Capital Management Inc5,580$724.0K0.05%00.0%Unchanged
Brevan Howard Capital Management LP5,582$723.9K0.07%+5,582New
Jackson Creek Investment Advisors LLC5,519$716.0K0.27%−10.0%Reduced
PEAK6 Investments LLC5,494$712.5K0.03%−1,254−18.6%Reduced
Pathstone Holdings, LLC5,219$676.9K0.00%+5,219New
Asset Management One Co.,Ltd.5,093$674.1K0.00%+2,575+102.3%Added
Cambridge Investment Research Advisors, Inc.5,191$673.0K0.00%+635+13.9%Added
Susquehanna Portfolio Strategies, LLC5,143$667.0K0.01%+5,143New
Y-Intercept (Hong Kong) Ltd5,091$660.3K0.06%+406+8.7%Added
Two Sigma Securities, LLC5,079$658.7K0.03%+914+21.9%Added
Pitcairn Co5,042$653.9K0.05%+13+0.3%Added
Kennedy Capital Management, Inc.5,007$649.4K0.01%−15,259−75.3%Reduced
Firsthand Capital Management, Inc.5,000$648.5K0.95%00.0%Unchanged
Abn Amro Investment Solutions4,955$642.6K0.01%+4,955New
Aviva PLC4,718$611.9K0.00%+4,718New
Meritage Portfolio Management4,559$591.0K0.04%+242+5.6%Added
Shell Asset Management Co4,551$590.0K0.03%−1,369−23.1%Reduced
Tower Research Capital LLC (TRC)4,541$588.9K0.01%+3,729+459.2%Added
Intrust Bank NA4,477$580.6K0.07%+137+3.2%Added
Bank of Montreal4,234$563.7K0.00%+137+3.3%Added
Lincoln National Corp4,319$560.1K0.01%+88+2.1%Added
Eqis Capital Management, Inc.4,311$559.1K0.05%+1,824+73.3%Added
Raymond James Financial Services Advisors, Inc.4,191$543.5K0.00%+440+11.7%Added
Benchmark Investment Advisors LLC4,157$539.1K0.50%+4,157New
Public Employees Retirement Association of Colorado4,114$534.0K0.00%−450−9.9%Reduced
Lido Advisors, LLC4,098$531.5K0.01%+4,098New
National Asset Management, Inc.4,053$525.6K0.01%−49−1.2%Reduced
Verition Fund Management LLC4,051$525.4K0.01%+402+11.0%Added
Thoroughbred Financial Services, LLC4,054$525.0K0.04%−1,849−31.3%Reduced
Occudo Quantitative Strategies LP3,826$496.2K0.07%+3,826New
Westover Capital Advisors, LLC3,818$495.2K0.16%+239+6.7%Added
TriaGen Wealth Management LLC3,812$494.4K0.24%+1,136+42.5%Added
Great Valley Advisor Group, Inc.3,806$493.6K0.02%−2,459−39.2%Reduced
Pictet Asset Management Holding SA3,803$493.2K0.00%00.0%Unchanged
CenterBook Partners LP3,792$491.8K0.06%+3,792New
Walleye Trading LLC3,781$490.4K0.01%+3,781New
Essex Investment Management Co LLC3,725$483.1K0.10%00.0%Unchanged
ARGA Investment Management, LP3,696$479.3K0.02%00.0%Unchanged
Virtus Investment Advisers, Inc.3,647$473.0K0.35%−7,173−66.3%Reduced
Gallacher Capital Management LLC3,637$471.7K0.26%+1,699+87.7%Added
Profund Advisors LLC3,516$456.0K0.02%+211+6.4%Added
Vident Advisory, LLC3,426$444.3K0.01%−423−11.0%Reduced
Woodline Partners LP3,404$441.5K0.00%+3,404New
Blueshift Asset Management, LLC3,399$440.8K0.23%+2,155+173.2%Added
HighTower Advisors, LLC3,348$438.0K0.00%−1,401−29.5%Reduced
Ameritas Investment Partners, Inc.3,376$437.8K0.02%+135+4.2%Added
The PNC Financial Services Group, Inc.3,357$435.4K0.00%+168+5.3%Added
Virtu Financial LLC3,268$424.0K0.03%+3,268New
Skandinaviska Enskilda Banken AB (publ)3,200$414.9K0.00%00.0%Unchanged
Inspire Advisors, LLC3,171$411.2K0.06%+3,171New
Winton Group Ltd3,141$407.4K0.03%+531+20.3%Added
Koshinski Asset Management, Inc.3,106$402.8K0.06%+1,710+122.5%Added
Baird Financial Group, Inc.3,074$398.7K0.00%−7,601−71.2%Reduced
Walleye Capital LLC3,031$393.1K0.01%+3,031New
Mackenzie Financial Corp3,026$392.4K0.00%+270+9.8%Added
Truvestments Capital LLC2,975$385.8K0.17%−189−6.0%Reduced
Captrust Financial Advisors2,833$367.4K0.00%−344−10.8%Reduced
HMS Capital Management, LLC2,824$366.2K0.23%00.0%Unchanged
Affinity Investment Advisors, LLC2,657$344.6K0.23%+2,657New
First Hawaiian Bank2,613$338.9K0.01%+2,613New
CSS LLC2,600$337.2K0.03%+1,200+85.7%Added
Marshall Wace, LLP2,587$335.5K0.00%+2,587New
Park Avenue Securities LLC2,528$328.0K0.00%+2,528New
CoreCap Advisors, LLC2,506$325.0K0.02%+2,506New
Petrus Trust Company, LTA2,472$320.6K0.03%+226+10.1%Added
NorthCrest Asset Manangement, LLC2,440$316.4K0.01%00.0%Unchanged
Cim, LLC2,781$309.9K0.05%−346−11.1%Reduced
JustInvest LLC2,380$308.7K0.01%+432+22.2%Added
Crossmark Global Holdings, Inc.2,374$308.0K0.01%−210−8.1%Reduced
NJ State Employees Deferred Compensation Plan2,358$305.8K0.04%00.0%Unchanged
Mirabella Financial Services LLP2,328$302.3K0.04%+951+69.1%Added
Steward Partners Investment Advisory, LLC2,310$299.6K0.00%−4−0.2%Reduced
Group One Trading, L.P.2,228$288.9K0.01%+1,196+115.9%Added
Nordea Investment Management AB2,206$285.7K0.00%+287+15.0%Added
Clare Market Investments LLC2,150$278.8K0.10%+2,150New
Kovack Advisors, Inc.2,135$276.9K0.03%+64+3.1%Added
Gotham Asset Management, LLC2,112$273.9K0.01%−5,269−71.4%Reduced
Cetera Advisor Networks LLC2,109$273.5K0.00%+2,109New
Leonteq Securities AG2,070$268.5K0.03%−2,430−54.0%Reduced
Evergreen Capital Management LLC2,067$268.1K0.01%−121−5.5%Reduced
Gabelli Funds LLC2,000$259.4K0.00%00.0%Unchanged
Chilton Capital Management LLC2,000$259.4K0.01%+2,000New
Yorktown Management & Research Co Inc2,000$259.4K0.27%+2,000New
US Bancorp1,995$258.7K0.00%+495+33.0%Added
Xponance, Inc.1,980$256.8K0.00%+64+3.3%Added
Cim Investment Mangement Inc1,941$251.7K0.08%00.0%Unchanged
EntryPoint Capital, LLC1,913$248.1K0.24%+1,913New
Cetera Advisors LLC1,905$247.1K0.00%−1,639−46.2%Reduced
O'Shaughnessy Asset Management, LLC1,903$246.8K0.00%−32−1.7%Reduced
Csenge Advisory Group1,875$243.2K0.02%+1,875New
Metropolitan Life Insurance Co1,850$239.9K0.01%−64−3.3%Reduced