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 |
|---|---|---|---|---|---|
| Stifel Financial Corp | 20,854 | $1.45M | 0.00% | +2,061+11.0% | Added |
| Schonfeld Strategic Advisors LLC | 19,887 | $1.39M | 0.01% | −4,735−19.2% | Reduced |
| State of Alaska, Department of Revenue | 19,097 | $1.33M | 0.01% | +1,085+6.0% | Added |
| ARGA Investment Management, LP | 18,534 | $1.29M | 0.04% | +18,534 | New |
| Jefferies Financial Group Inc. | 18,089 | $1.26M | 0.02% | +18,089 | New |
| Wakefield Asset Management LLLP | 18,067 | $1.26M | 0.35% | +18,067 | New |
| Andra AP-fonden | 17,990 | $1.25M | 0.02% | −2,000−10.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 17,672 | $1.23M | 0.00% | −1,724−8.9% | Reduced |
| Abn Amro Investment Solutions | 17,390 | $1.21M | 0.02% | −67−0.4% | Reduced |
| Intech Investment Management LLC | 17,116 | $1.19M | 0.01% | 00.0% | Unchanged |
| Algert Global LLC | 17,100 | $1.19M | 0.02% | +1,990+13.2% | Added |
| Virginia Retirement Systems Et Al | 16,938 | $1.18M | 0.01% | +100+0.6% | Added |
| Penbrook Management LLC | 16,895 | $1.18M | 0.89% | −2,745−14.0% | Reduced |
| Nebula Research & Development LLC | 16,839 | $1.17M | 0.10% | −2,928−14.8% | Reduced |
| Vident Advisory, LLC | 16,746 | $1.17M | 0.01% | −2,211−11.7% | Reduced |
| Raymond James Financial Inc | 16,746 | $1.17M | 0.00% | −3,225−16.1% | Reduced |
| Manufacturers Life Insurance Company, The | 16,736 | $1.17M | 0.00% | −1,089−6.1% | Reduced |
| New York State Teachers Retirement System | 16,267 | $1.13M | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 15,914 | $1.11M | 0.00% | +9,244+138.6% | Added |
| Canada Pension Plan Investment Board | 15,600 | $1.09M | 0.00% | +15,600 | New |
| Edgestream Partners, L.P. | 15,396 | $1.07M | 0.03% | +15,396 | New |
| Louisiana State Employees Retirement System | 15,000 | $1.05M | 0.02% | −300−2.0% | Reduced |
| HSBC Holdings PLC | 14,345 | $1.01M | 0.00% | +14,345 | New |
| Illinois Municipal Retirement Fund | 14,476 | $1.01M | 0.01% | −547−3.6% | Reduced |
| ProShare Advisors LLC | 14,363 | $1.00M | 0.00% | −150−1.0% | Reduced |
| Simplex Trading, LLC | 14,322 | $998.0K | 0.03% | +14,322 | New |
| Cambridge Investment Research Advisors, Inc. | 13,967 | $973.0K | 0.00% | +1,799+14.8% | Added |
| Gotham Asset Management, LLC | 13,631 | $949.9K | 0.01% | +8,713+177.2% | Added |
| Allianz Asset Management GmbH | 12,730 | $887.2K | 0.00% | −1,800−12.4% | Reduced |
| Qube Research & Technologies Ltd | 12,268 | $855.0K | 0.00% | −6,220−33.6% | Reduced |
| Yousif Capital Management, LLC | 12,076 | $841.6K | 0.01% | +48+0.4% | Added |
| Comerica Bank | 11,714 | $816.4K | 0.00% | +579+5.2% | Added |
| PEAK6 LLC | 11,617 | $809.6K | 0.03% | +5,398+86.8% | Added |
| ISAM Funds (UK) Ltd | 11,369 | $792.3K | 0.17% | +3,311+41.1% | Added |
| Russell Investments Group, Ltd. | 11,365 | $792.0K | 0.00% | −551−4.6% | Reduced |
| KLP Kapitalforvaltning AS | 11,100 | $773.6K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 10,899 | $759.6K | 0.00% | −78,600−87.8% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 10,883 | $758.4K | 0.01% | +10,883 | New |
| Teachers Retirement System of the State of Kentucky | 10,699 | $746.0K | 0.01% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,544 | $734.8K | 0.00% | +47+0.4% | Added |
| Numerai GP LLC | 10,490 | $731.0K | 0.11% | −50,265−82.7% | Reduced |
| SEI Investments Co | 10,411 | $725.6K | 0.00% | −147,771−93.4% | Reduced |
| Gsa Capital Partners LLP | 10,161 | $708.0K | 0.05% | −8,648−46.0% | Reduced |
| New York State Common Retirement Fund | 10,150 | $707.4K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 9,966 | $694.5K | 0.00% | −3,400−25.4% | Reduced |
| Illumine Investment Management, LLC | 9,938 | $692.6K | 0.55% | +207+2.1% | Added |
| State of Tennessee, Treasury Department | 9,923 | $691.5K | 0.00% | −3,970−28.6% | Reduced |
| Maryland State Retirement & Pension System | 9,456 | $659.0K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 9,392 | $654.5K | 0.00% | +74+0.8% | Added |
| Amalgamated Bank | 9,190 | $640.0K | 0.00% | −119−1.3% | Reduced |
| Peterson Wealth Services | 9,154 | $637.9K | 0.17% | +23+0.3% | Added |
| JustInvest LLC | 9,036 | $629.7K | 0.01% | +3,750+70.9% | Added |
| Guggenheim Capital LLC | 8,666 | $603.9K | 0.00% | −66−0.8% | Reduced |
| Brookwood Investment Group LLC | 8,400 | $585.4K | 0.09% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,249 | $574.9K | 0.00% | +470+6.0% | Added |
| Handelsbanken Fonder AB | 8,100 | $564.0K | 0.00% | −2,100−20.6% | Reduced |
| Allspring Global Investments Holdings, LLC | 7,588 | $546.3K | 0.00% | +1,805+31.2% | Added |
| Pathstone Holdings, LLC | 7,657 | $533.6K | 0.00% | +497+6.9% | Added |
| Moors & Cabot, Inc. | 7,630 | $531.7K | 0.02% | −200−2.6% | Reduced |
| Quantinno Capital Management LP | 7,592 | $529.1K | 0.00% | +2,998+65.3% | Added |
| Aviva PLC | 7,530 | $524.8K | 0.00% | −2,659−26.1% | Reduced |
| Atria Wealth Solutions, Inc. | 7,187 | $524.3K | 0.01% | +7,187 | New |
| Eagle Bay Advisors LLC | 7,485 | $521.6K | 0.43% | −100−1.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 7,465 | $520.2K | 0.00% | +526+7.6% | Added |
| North Star Investment Management Corp. | 7,392 | $515.1K | 0.04% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 7,360 | $512.9K | 0.01% | −100−1.3% | Reduced |
| Kerrisdale Advisers, LLC | 7,265 | $506.3K | 0.26% | +7,265 | New |
| State Board of Administration of Florida Retirement System | 7,100 | $494.8K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 6,978 | $486.0K | 0.00% | −6,584−48.5% | Reduced |
| Oppenheimer Asset Management Inc. | 6,972 | $485.9K | 0.01% | +703+11.2% | Added |
| Axq Capital, LP | 6,914 | $481.8K | 0.16% | +6,914 | New |
| White Pine Capital LLC | 6,900 | $480.9K | 0.15% | 00.0% | Unchanged |
| Vestcor Inc | 6,744 | $470.0K | 0.01% | 00.0% | Unchanged |
| Gabelli Funds LLC | 6,422 | $447.5K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 6,346 | $442.3K | 0.00% | 00.0% | Unchanged |
| Bank Julius Baer & Co. Ltd, Zurich | 6,282 | $437.8K | 0.00% | −596−8.7% | Reduced |
| Oppenheimer & Co Inc | 6,256 | $436.0K | 0.01% | −250−3.8% | Reduced |
| Bank of Montreal | 5,864 | $408.7K | 0.00% | −147−2.4% | Reduced |
| Magnetar Financial LLC | 5,769 | $402.0K | 0.00% | −6,736−53.9% | Reduced |
| Cerity Partners LLC | 5,670 | $395.1K | 0.00% | +5,670 | New |
| Dynamic Technology Lab Private Ltd | 5,610 | $391.0K | 0.05% | −6,280−52.8% | Reduced |
| Amundi | 5,353 | $390.5K | 0.00% | −545,694−99.0% | Reduced |
| Headlands Technologies LLC | 5,550 | $386.8K | 0.05% | +5,005+918.3% | Added |
| Federation des caisses Desjardins du Quebec | 5,402 | $376.5K | 0.00% | +10+0.2% | Added |
| Ausbil Investment Management Ltd | 5,385 | $375.3K | 0.22% | +5,385 | New |
| Pictet Asset Management Holding SA | 5,265 | $366.9K | 0.00% | +369+7.5% | Added |
| D.A. Davidson & Co. | 5,022 | $350.0K | 0.00% | +110+2.2% | Added |
| Teacher Retirement System of Texas | 4,890 | $340.8K | 0.00% | +137+2.9% | Added |
| Everence Capital Management Inc | 4,880 | $340.0K | 0.02% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 4,604 | $336.3K | 0.00% | +4,604 | New |
| SkyOak Wealth, LLC | 4,594 | $320.2K | 0.06% | −2,500−35.2% | Reduced |
| Bayforest Capital Ltd | 4,217 | $293.9K | 0.13% | +3,453+452.0% | Added |
| Woodline Partners LP | 4,159 | $289.8K | 0.00% | +4,159 | New |
| Tower Research Capital LLC (TRC) | 4,145 | $288.9K | 0.01% | +1,927+86.9% | Added |
| Covestor Ltd | 4,127 | $288.0K | 0.17% | +961+30.4% | Added |
| 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 |
| Firsthand Capital Management, Inc. | 4,000 | $278.8K | 0.50% | 00.0% | Unchanged |
| Cetera Investment Advisers | 3,995 | $278.4K | 0.00% | −1,496−27.2% | Reduced |
| James Investment Research Inc | 3,976 | $277.1K | 0.03% | +3,976 | New |