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, Q1 2026
Institutional positions in Axcelis Technologies Inc as of Mar 31, 2026. 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
- 380
- +12 vs. Q4 2025
- Shares held
- 32.6M
- +5.48M (+20.2%) vs. Q4 2025
- Total value
- $3.03B
- +$851.0M (+39.0%) vs. Q4 2025
- New holders
- 70
- 99 more added
- Sold out
- 58
- 134 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cetera Investment Advisers | 5,127 | $477.2K | 0.00% | −4,828−48.5% | Reduced |
| Aviva PLC | 5,308 | $494.1K | 0.00% | −608−10.3% | Reduced |
| CI Private Wealth, LLC | 5,595 | $520.8K | 0.00% | −197−3.4% | Reduced |
| XTX Topco Ltd | 5,819 | $541.6K | 0.01% | −952−14.1% | Reduced |
| Gabelli Funds LLC | 6,053 | $563.4K | 0.00% | +20.0% | Added |
| Quadrature Capital Ltd | 6,075 | $565.5K | 0.01% | +6,075 | New |
| Eagle Bay Advisors LLC | 6,200 | $577.1K | 0.51% | +3,000+93.8% | Added |
| Bokf, NA | 6,221 | $579.1K | 0.01% | +6,221 | New |
| Merit Financial Group, LLC | 6,397 | $595.4K | 0.00% | −470−6.8% | Reduced |
| Brookwood Investment Group LLC | 6,519 | $606.8K | 0.08% | −1,881−22.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,592 | $613.6K | 0.00% | −82−1.2% | Reduced |
| KLP Kapitalforvaltning AS | 6,600 | $614.3K | 0.00% | −4,600−41.1% | Reduced |
| White Pine Capital LLC | 6,671 | $620.9K | 0.17% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 6,736 | $627.0K | 0.01% | +6,736 | New |
| Martingale Asset Management L P | 6,818 | $634.6K | 0.02% | −10−0.1% | Reduced |
| State of Tennessee, Treasury Department | 6,867 | $639.2K | 0.00% | 00.0% | Unchanged |
| MML Investors Services, LLC | 6,890 | $641.3K | 0.00% | −1,600−18.8% | Reduced |
| Western Wealth Management, LLC | 6,936 | $645.6K | 0.02% | +6,936 | New |
| MOKAN Wealth Management Inc. | 6,995 | $651.5K | 0.29% | +3,569+104.2% | Added |
| Freestone Grove Partners LP | 7,017 | $653.1K | 0.00% | +28+0.4% | Added |
| Oregon Public Employees Retirement Fund | 7,023 | $653.7K | 0.01% | −37−0.5% | Reduced |
| State Board of Administration of Florida Retirement System | 7,080 | $659.0K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 7,367 | $685.8K | 0.00% | +3,306+81.4% | Added |
| North Star Investment Management Corp. | 7,392 | $688.0K | 0.04% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 7,398 | $688.6K | 0.02% | +1,855+33.5% | Added |
| Adage Capital Partners GP, L.L.C. | 7,500 | $698.1K | 0.00% | +7,500 | New |
| Vanguard Investments Australia, Ltd. | 7,602 | $707.6K | 0.00% | +7,602 | New |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 7,654 | $712.4K | 0.01% | +2,047+36.5% | Added |
| Evolve Private Wealth, LLC | 7,706 | $717.3K | 0.04% | +677+9.6% | Added |
| ProShare Advisors LLC | 7,776 | $723.8K | 0.00% | −1,202−13.4% | Reduced |
| Russell Investments Group, Ltd. | 7,790 | $725.1K | 0.00% | +4,513+137.7% | Added |
| Peterson Wealth Services | 7,889 | $734.3K | 0.18% | +486+6.6% | Added |
| Teachers Retirement System of the State of Kentucky | 7,973 | $742.0K | 0.01% | 00.0% | Unchanged |
| Summit Global Investments | 7,998 | $744.0K | 0.04% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 8,100 | $754.0K | 0.00% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 8,183 | $761.7K | 0.00% | −3,599−30.5% | Reduced |
| Yousif Capital Management, LLC | 8,251 | $768.0K | 0.01% | −165−2.0% | Reduced |
| Bridgewater Associates, LP | 8,301 | $772.7K | 0.00% | +8,301 | New |
| Guggenheim Capital LLC | 8,417 | $783.5K | 0.01% | +713+9.3% | Added |
| Arizona State Retirement System | 8,433 | $784.9K | 0.00% | −197−2.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 8,678 | $807.7K | 0.01% | +468+5.7% | Added |
| Amalgamated Bank | 8,849 | $824.0K | 0.01% | −163−1.8% | Reduced |
| Fifth Third Bancorp | 9,059 | $843.3K | 0.00% | +8,680+2,290.2% | Added |
| Morningstar Investment Management LLC | 9,179 | $854.4K | 0.05% | −848−8.5% | Reduced |
| JustInvest LLC | 9,488 | $883.1K | 0.01% | +347+3.8% | Added |
| QRG Capital Management, Inc. | 9,596 | $893.2K | 0.01% | +6,754+237.6% | Added |
| Royal Bank of Canada | 9,793 | $912.0K | 0.00% | +5,944+154.4% | Added |
| Moody National Bank Trust Division | 10,134 | $943.3K | 0.09% | +5,300+109.6% | Added |
| New York State Common Retirement Fund | 10,150 | $944.8K | 0.00% | 00.0% | Unchanged |
| Illumine Investment Management, LLC | 10,163 | $946.0K | 0.73% | +46+0.5% | Added |
| Entropy Technologies, LP | 10,790 | $1.00M | 0.05% | +10,790 | New |
| Cambridge Investment Research Advisors, Inc. | 11,100 | $1.03M | 0.00% | −2,278−17.0% | Reduced |
| Oppenheimer Asset Management Inc. | 11,209 | $1.04M | 0.01% | +11,209 | New |
| HSBC Holdings PLC | 11,443 | $1.06M | 0.00% | −811−6.6% | Reduced |
| Pathstone Holdings, LLC | 11,850 | $1.10M | 0.00% | +3,542+42.6% | Added |
| Gotham Asset Management, LLC | 11,941 | $1.11M | 0.00% | −269−2.2% | Reduced |
| Penbrook Management LLC | 12,095 | $1.13M | 0.85% | −3,800−23.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,181 | $1.13M | 0.00% | +855+7.5% | Added |
| Quantinno Capital Management LP | 12,336 | $1.15M | 0.00% | +1,122+10.0% | Added |
| Vanguard Global Advisers, LLC | 12,351 | $1.15M | 0.00% | +12,351 | New |
| RE Advisers Corp | 12,500 | $1.16M | 0.03% | 00.0% | Unchanged |
| Millennium Management LLC | 12,532 | $1.17M | 0.00% | −117,558−90.4% | Reduced |
| Susquehanna International Group, LLP | 12,776 | $1.19M | 0.00% | −6,962−35.3% | Reduced |
| Wesbanco Bank Inc | 12,800 | $1.19M | 0.03% | +12,800 | New |
| Vident Advisory, LLC | 13,456 | $1.25M | 0.01% | +357+2.7% | Added |
| Louisiana State Employees Retirement System | 13,600 | $1.27M | 0.02% | −600−4.2% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 14,087 | $1.31M | 0.01% | +134+1.0% | Added |
| Winton Group Ltd | 14,151 | $1.32M | 0.05% | −573−3.9% | Reduced |
| Voya Investment Management LLC | 14,406 | $1.34M | 0.00% | −178−1.2% | Reduced |
| Intech Investment Management LLC | 14,506 | $1.35M | 0.01% | −25,957−64.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,555 | $1.35M | 0.00% | +108+0.7% | Added |
| Janus Henderson Group PLC | 14,628 | $1.36M | 0.00% | −27,148−65.0% | Reduced |
| Virtu Financial LLC | 14,697 | $1.37M | 0.06% | +14,697 | New |
| New York State Teachers Retirement System | 14,857 | $1.38M | 0.00% | −1,010−6.4% | Reduced |
| Illinois Municipal Retirement Fund | 15,080 | $1.40M | 0.02% | −481−3.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 15,678 | $1.46M | 0.00% | +15,678 | New |
| Virginia Retirement Systems Et Al | 16,438 | $1.53M | 0.01% | −200−1.2% | Reduced |
| Burney Co | 16,845 | $1.57M | 0.05% | −7,876−31.9% | Reduced |
| MetLife Investment Management | 17,235 | $1.60M | 0.01% | +188+1.1% | Added |
| Schonfeld Strategic Advisors LLC | 17,935 | $1.67M | 0.01% | −3,247−15.3% | Reduced |
| Thrivent Financial for Lutherans | 20,491 | $1.91M | 0.00% | −810−3.8% | Reduced |
| Hussman Strategic Advisors, Inc. | 21,000 | $1.95M | 0.42% | +21,000 | New |
| State of Alaska, Department of Revenue | 21,979 | $2.04M | 0.02% | −589−2.6% | Reduced |
| Janney Montgomery Scott LLC | 22,150 | $2.06M | 0.01% | −286−1.3% | Reduced |
| LPL Financial LLC | 22,497 | $2.09M | 0.00% | −12,077−34.9% | Reduced |
| Stifel Financial Corp | 22,584 | $2.10M | 0.00% | −1,763−7.2% | Reduced |
| Yakira Capital Management, Inc. | 22,619 | $2.11M | 0.62% | +22,619 | New |
| Paradigm Capital Management Inc | 24,000 | $2.23M | 0.09% | −32,000−57.1% | Reduced |
| Citigroup Inc | 24,645 | $2.29M | 0.00% | −85,825−77.7% | Reduced |
| Abn Amro Investment Solutions | 24,650 | $2.29M | 0.03% | −148−0.6% | Reduced |
| Great West Life Assurance Co | 25,154 | $2.34M | 0.00% | −1,148−4.4% | Reduced |
| Franklin Resources Inc | 26,719 | $2.49M | 0.00% | −6,529−19.6% | Reduced |
| Vanguard Asset Management, Ltd | 27,199 | $2.53M | 0.00% | +27,199 | New |
| Deutsche Bank AG | 28,859 | $2.69M | 0.00% | +2,939+11.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 29,121 | $2.71M | 0.00% | 00.0% | Unchanged |
| Inspire Advisors, LLC | 29,411 | $2.74M | 0.22% | +29,411 | New |
| Alliancebernstein L.P. | 34,489 | $2.77M | 0.00% | +243+0.7% | Added |
| Prudential Financial Inc | 31,377 | $2.92M | 0.00% | −8,188−20.7% | Reduced |
| Envestnet Asset Management Inc | 31,781 | $2.96M | 0.00% | −20,716−39.5% | Reduced |
| Squarepoint Ops LLC | 33,291 | $3.10M | 0.01% | −120,412−78.3% | Reduced |