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, Q2 2025
Institutional positions in Axcelis Technologies Inc as of Jun 30, 2025. 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
- 330
- +24 vs. Q1 2025
- Shares held
- 31.5M
- +443.9K (+1.4%) vs. Q1 2025
- Total value
- $2.20B
- +$658.9M (+42.7%) vs. Q1 2025
- New holders
- 65
- 107 more added
- Sold out
- 41
- 108 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 442 | $5.85B |
| Q1 2026 | 380 | $3.03B |
| Q4 2025 | 373 | $2.52B |
| Q3 2025 | 362 | $2.96B |
| Q2 2025 | 330 | $2.20B |
| Q1 2025 | 307 | $1.54B |
| Q4 2024 | 325 | $2.16B |
| Q3 2024 | 369 | $3.17B |
| Q2 2024 | 393 | $4.35B |
| Q1 2024 | 385 | $3.37B |
| Q4 2023 | 421 | $3.81B |
| Q3 2023 | 421 | $4.85B |
| Q2 2023 | 406 | $5.41B |
| Q1 2023 | 379 | $3.86B |
| Q4 2022 | 327 | $2.31B |
| Q3 2022 | 287 | $1.72B |
| Q2 2022 | 277 | $1.52B |
| Q1 2022 | 290 | $2.05B |
| Q4 2021 | 254 | $2.05B |
| Q3 2021 | 205 | $1.37B |
| Q2 2021 | 189 | $1.17B |
| Q1 2021 | 193 | $1.20B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Central Trust Co | 1,350 | $94.1K | 0.00% | +1,237+1,094.7% | Added |
| SG Americas Securities, LLC | 1,661 | $116.0K | 0.00% | −6,743−80.2% | Reduced |
| Virtus ETF Advisers LLC | 1,670 | $116.4K | 0.07% | +1,670 | New |
| Acadian Asset Management LLC | 1,781 | $124.0K | 0.00% | +1,781 | New |
| Advisors Asset Management, Inc. | 1,825 | $127.2K | 0.00% | −144−7.3% | Reduced |
| Hennessy Advisors Inc | 2,067 | $144.0K | 0.00% | +2,067 | New |
| The PNC Financial Services Group, Inc. | 2,131 | $148.5K | 0.00% | −227−9.6% | Reduced |
| LRI Investments, LLC | 2,585 | $180.1K | 0.02% | +2,255+683.3% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 2,637 | $183.9K | 0.00% | −342−11.5% | Reduced |
| Shell Asset Management Co | 2,648 | $185.0K | 0.01% | −640−19.5% | Reduced |
| Advisor Group Holdings, Inc. | 2,748 | $191.5K | 0.00% | +730+36.2% | Added |
| Perkins Coie Trust Co | 2,749 | $191.6K | 0.03% | +74+2.8% | Added |
| GAMMA Investing LLC | 2,772 | $193.2K | 0.01% | +1,196+75.9% | Added |
| Vise Technologies, Inc. | 2,870 | $200.0K | 0.01% | +2,870 | New |
| Breed's Hill Capital LLC | 3,000 | $209.1K | 0.10% | +3,000 | New |
| Nisa Investment Advisors, LLC | 3,002 | $209.2K | 0.00% | +2,206+277.1% | Added |
| Profund Advisors LLC | 3,019 | $210.4K | 0.01% | +3,019 | New |
| Two Sigma Securities, LLC | 3,295 | $229.6K | 0.03% | +3,295 | New |
| Ameritas Investment Partners, Inc. | 3,300 | $230.0K | 0.01% | 00.0% | Unchanged |
| Empirical Finance, LLC | 3,300 | $230.0K | 0.01% | +3,300 | New |
| HighTower Advisors, LLC | 3,367 | $234.6K | 0.00% | +3,367 | New |
| Public Employees Retirement Association of Colorado | 3,457 | $241.0K | 0.00% | 00.0% | Unchanged |
| Lido Advisors, LLC | 3,504 | $244.2K | 0.00% | +3,504 | New |
| CWM, LLC | 3,520 | $245.0K | 0.00% | +1,863+112.4% | Added |
| Exchange Traded Concepts, LLC | 3,666 | $255.5K | 0.00% | −809−18.1% | Reduced |
| Empowered Funds, LLC | 3,714 | $258.8K | 0.00% | +3,714 | New |
| Essex Investment Management Co LLC | 3,725 | $259.6K | 0.05% | 00.0% | Unchanged |
| Net Worth Advisory Group | 3,874 | $270.0K | 0.06% | +3,874 | New |
| CIBC World Markets Corp | 3,973 | $276.9K | 0.00% | −3,256−45.0% | Reduced |
| James Investment Research Inc | 3,976 | $277.1K | 0.03% | +3,976 | New |
| Cetera Investment Advisers | 3,995 | $278.4K | 0.00% | −1,496−27.2% | Reduced |
| Firsthand Capital Management, Inc. | 4,000 | $278.8K | 0.50% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 4,127 | $287.6K | 0.00% | −607−12.8% | Reduced |
| Linden Thomas Advisory Services, LLC | 4,127 | $287.6K | 0.03% | +4,127 | New |
| Covestor Ltd | 4,127 | $288.0K | 0.17% | +961+30.4% | Added |
| Tower Research Capital LLC (TRC) | 4,145 | $288.9K | 0.01% | +1,927+86.9% | Added |
| Woodline Partners LP | 4,159 | $289.8K | 0.00% | +4,159 | New |
| Bayforest Capital Ltd | 4,217 | $293.9K | 0.13% | +3,453+452.0% | Added |
| SkyOak Wealth, LLC | 4,594 | $320.2K | 0.06% | −2,500−35.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 4,604 | $336.3K | 0.00% | +4,604 | New |
| Everence Capital Management Inc | 4,880 | $340.0K | 0.02% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 4,890 | $340.8K | 0.00% | +137+2.9% | Added |
| D.A. Davidson & Co. | 5,022 | $350.0K | 0.00% | +110+2.2% | Added |
| Pictet Asset Management Holding SA | 5,265 | $366.9K | 0.00% | +369+7.5% | Added |
| Ausbil Investment Management Ltd | 5,385 | $375.3K | 0.22% | +5,385 | New |
| Federation des caisses Desjardins du Quebec | 5,402 | $376.5K | 0.00% | +10+0.2% | Added |
| Headlands Technologies LLC | 5,550 | $386.8K | 0.05% | +5,005+918.3% | Added |
| Amundi | 5,353 | $390.5K | 0.00% | −545,694−99.0% | Reduced |
| Dynamic Technology Lab Private Ltd | 5,610 | $391.0K | 0.05% | −6,280−52.8% | Reduced |
| Cerity Partners LLC | 5,670 | $395.1K | 0.00% | +5,670 | New |
| Magnetar Financial LLC | 5,769 | $402.0K | 0.00% | −6,736−53.9% | Reduced |
| Bank of Montreal | 5,864 | $408.7K | 0.00% | −147−2.4% | Reduced |
| Oppenheimer & Co Inc | 6,256 | $436.0K | 0.01% | −250−3.8% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 6,282 | $437.8K | 0.00% | −596−8.7% | Reduced |
| Mackenzie Financial Corp | 6,346 | $442.3K | 0.00% | 00.0% | Unchanged |
| Gabelli Funds LLC | 6,422 | $447.5K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 6,744 | $470.0K | 0.01% | 00.0% | Unchanged |
| White Pine Capital LLC | 6,900 | $480.9K | 0.15% | 00.0% | Unchanged |
| Axq Capital, LP | 6,914 | $481.8K | 0.16% | +6,914 | New |
| Oppenheimer Asset Management Inc. | 6,972 | $485.9K | 0.01% | +703+11.2% | Added |
| Commonwealth Equity Services, LLC | 6,978 | $486.0K | 0.00% | −6,584−48.5% | Reduced |
| State Board of Administration of Florida Retirement System | 7,100 | $494.8K | 0.00% | 00.0% | Unchanged |
| Kerrisdale Advisers, LLC | 7,265 | $506.3K | 0.26% | +7,265 | New |
| Oregon Public Employees Retirement Fund | 7,360 | $512.9K | 0.01% | −100−1.3% | Reduced |
| North Star Investment Management Corp. | 7,392 | $515.1K | 0.04% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 7,465 | $520.2K | 0.00% | +526+7.6% | Added |
| Eagle Bay Advisors LLC | 7,485 | $521.6K | 0.43% | −100−1.3% | Reduced |
| Atria Wealth Solutions, Inc. | 7,187 | $524.3K | 0.01% | +7,187 | New |
| Aviva PLC | 7,530 | $524.8K | 0.00% | −2,659−26.1% | Reduced |
| Quantinno Capital Management LP | 7,592 | $529.1K | 0.00% | +2,998+65.3% | Added |
| Moors & Cabot, Inc. | 7,630 | $531.7K | 0.02% | −200−2.6% | Reduced |
| Pathstone Holdings, LLC | 7,657 | $533.6K | 0.00% | +497+6.9% | Added |
| Allspring Global Investments Holdings, LLC | 7,588 | $546.3K | 0.00% | +1,805+31.2% | Added |
| Handelsbanken Fonder AB | 8,100 | $564.0K | 0.00% | −2,100−20.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,249 | $574.9K | 0.00% | +470+6.0% | Added |
| Brookwood Investment Group LLC | 8,400 | $585.4K | 0.09% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 8,666 | $603.9K | 0.00% | −66−0.8% | Reduced |
| JustInvest LLC | 9,036 | $629.7K | 0.01% | +3,750+70.9% | Added |
| Peterson Wealth Services | 9,154 | $637.9K | 0.17% | +23+0.3% | Added |
| Amalgamated Bank | 9,190 | $640.0K | 0.00% | −119−1.3% | Reduced |
| Arizona State Retirement System | 9,392 | $654.5K | 0.00% | +74+0.8% | Added |
| Maryland State Retirement & Pension System | 9,456 | $659.0K | 0.01% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 9,923 | $691.5K | 0.00% | −3,970−28.6% | Reduced |
| Illumine Investment Management, LLC | 9,938 | $692.6K | 0.55% | +207+2.1% | Added |
| Ensign Peak Advisors, Inc | 9,966 | $694.5K | 0.00% | −3,400−25.4% | Reduced |
| New York State Common Retirement Fund | 10,150 | $707.4K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 10,161 | $708.0K | 0.05% | −8,648−46.0% | Reduced |
| SEI Investments Co | 10,411 | $725.6K | 0.00% | −147,771−93.4% | Reduced |
| Numerai GP LLC | 10,490 | $731.0K | 0.11% | −50,265−82.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,544 | $734.8K | 0.00% | +47+0.4% | Added |
| Teachers Retirement System of the State of Kentucky | 10,699 | $746.0K | 0.01% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 10,883 | $758.4K | 0.01% | +10,883 | New |
| Renaissance Technologies LLC | 10,899 | $759.6K | 0.00% | −78,600−87.8% | Reduced |
| KLP Kapitalforvaltning AS | 11,100 | $773.6K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 11,365 | $792.0K | 0.00% | −551−4.6% | Reduced |
| ISAM Funds (UK) Ltd | 11,369 | $792.3K | 0.17% | +3,311+41.1% | Added |
| PEAK6 LLC | 11,617 | $809.6K | 0.03% | +5,398+86.8% | Added |
| Comerica Bank | 11,714 | $816.4K | 0.00% | +579+5.2% | Added |
| Yousif Capital Management, LLC | 12,076 | $841.6K | 0.01% | +48+0.4% | Added |
| Qube Research & Technologies Ltd | 12,268 | $855.0K | 0.00% | −6,220−33.6% | Reduced |