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, Q3 2025
Institutional positions in Axcelis Technologies Inc as of Sep 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
- 362
- +37 vs. Q2 2025
- Shares held
- 30.4M
- −1.06M (−3.4%) vs. Q2 2025
- Total value
- $2.96B
- +$761.4M (+34.7%) vs. Q2 2025
- New holders
- 74
- 108 more added
- Sold out
- 37
- 120 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | 443 | $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, Q3 2025
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wakefield Asset Management LLLP | 18,091 | $1.77M | 0.48% | +24+0.1% | Added |
| Intech Investment Management LLC | 17,671 | $1.73M | 0.02% | +555+3.2% | Added |
| Abn Amro Investment Solutions | 17,390 | $1.70M | 0.03% | 00.0% | Unchanged |
| Penbrook Management LLC | 16,895 | $1.65M | 1.15% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 16,638 | $1.62M | 0.01% | −300−1.8% | Reduced |
| Old West Investment Management, LLC | 16,268 | $1.59M | 0.36% | +16,268 | New |
| Quantbot Technologies LP | 16,156 | $1.58M | 0.04% | −19,122−54.2% | Reduced |
| Illinois Municipal Retirement Fund | 16,102 | $1.57M | 0.02% | +1,626+11.2% | Added |
| New York State Teachers Retirement System | 15,867 | $1.55M | 0.00% | −400−2.5% | Reduced |
| State of Alaska, Department of Revenue | 15,810 | $1.54M | 0.02% | −3,287−17.2% | Reduced |
| Mizuho Markets Cayman LP | 15,616 | $1.52M | 0.13% | −26,804−63.2% | Reduced |
| Manufacturers Life Insurance Company, The | 15,299 | $1.49M | 0.00% | −1,437−8.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,980 | $1.46M | 0.00% | −2,692−15.2% | Reduced |
| Oppenheimer Asset Management Inc. | 14,747 | $1.44M | 0.02% | +7,775+111.5% | Added |
| Raymond James Financial Inc | 14,695 | $1.43M | 0.00% | −2,051−12.2% | Reduced |
| Voya Investment Management LLC | 14,676 | $1.43M | 0.00% | −8,500−36.7% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,648 | $1.43M | 0.00% | −13,352−47.7% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 14,609 | $1.43M | 0.01% | +3,726+34.2% | Added |
| Mariner, LLC | 14,529 | $1.42M | 0.00% | −1,385−8.7% | Reduced |
| Winton Group Ltd | 14,468 | $1.41M | 0.05% | −39,849−73.4% | Reduced |
| Louisiana State Employees Retirement System | 14,400 | $1.41M | 0.02% | −600−4.0% | Reduced |
| SEI Investments Co | 14,076 | $1.37M | 0.00% | +3,665+35.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 13,961 | $1.36M | 0.00% | −60.0% | Reduced |
| Holocene Advisors, LP | 13,887 | $1.36M | 0.00% | −21,911−61.2% | Reduced |
| Brevan Howard Capital Management LP | 13,818 | $1.35M | 0.02% | −13,169−48.8% | Reduced |
| Quest Partners LLC | 13,793 | $1.35M | 0.09% | +13,793 | New |
| Vident Advisory, LLC | 13,666 | $1.33M | 0.01% | −3,080−18.4% | Reduced |
| State of Tennessee, Treasury Department | 11,804 | $1.15M | 0.00% | +1,881+19.0% | Added |
| Pathstone Holdings, LLC | 11,609 | $1.13M | 0.00% | +3,952+51.6% | Added |
| Eagle Bay Advisors LLC | 11,495 | $1.12M | 0.88% | +4,010+53.6% | Added |
| Rede Wealth, LLC | 11,495 | $1.12M | 0.88% | +11,495 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,326 | $1.11M | 0.00% | +782+7.4% | Added |
| KLP Kapitalforvaltning AS | 11,100 | $1.08M | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 11,015 | $1.08M | 0.00% | −2,616−19.2% | Reduced |
| ExodusPoint Capital Management, LP | 10,448 | $1.02M | 0.01% | −16,988−61.9% | Reduced |
| New York State Common Retirement Fund | 10,150 | $991.0K | 0.00% | 00.0% | Unchanged |
| Illumine Investment Management, LLC | 10,031 | $979.4K | 0.70% | +93+0.9% | Added |
| Morningstar Investment Management LLC | 10,027 | $979.0K | 0.04% | +10,027 | New |
| Bridgefront Capital, LLC | 9,895 | $966.1K | 0.28% | +9,895 | New |
| Yousif Capital Management, LLC | 9,727 | $949.7K | 0.01% | −2,349−19.5% | Reduced |
| Comerica Bank | 9,721 | $949.2K | 0.00% | −1,993−17.0% | Reduced |
| Fox Run Management, L.L.C. | 9,618 | $939.1K | 0.15% | −17,925−65.1% | Reduced |
| Arizona State Retirement System | 9,505 | $928.1K | 0.00% | +113+1.2% | Added |
| Peterson Wealth Services | 400 | $923.4K | 0.23% | −8,754−95.6% | Reduced |
| ProShare Advisors LLC | 9,421 | $919.9K | 0.00% | −4,942−34.4% | Reduced |
| Quantinno Capital Management LP | 9,349 | $912.8K | 0.00% | +1,757+23.1% | Added |
| JustInvest LLC | 9,243 | $902.5K | 0.01% | +207+2.3% | Added |
| Teachers Retirement System of the State of Kentucky | 9,149 | $894.0K | 0.01% | −1,550−14.5% | Reduced |
| Amalgamated Bank | 9,072 | $886.0K | 0.01% | −118−1.3% | Reduced |
| Ausbil Investment Management Ltd | 9,234 | $875.0K | 0.47% | +3,849+71.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 8,929 | $871.8K | 0.01% | +1,464+19.6% | Added |
| Gsa Capital Partners LLP | 8,566 | $836.0K | 0.07% | −1,595−15.7% | Reduced |
| Moors & Cabot, Inc. | 8,430 | $823.1K | 0.04% | +800+10.5% | Added |
| Brookwood Investment Group LLC | 8,400 | $820.2K | 0.11% | 00.0% | Unchanged |
| James Investment Research Inc | 8,281 | $808.6K | 0.09% | +4,305+108.3% | Added |
| Handelsbanken Fonder AB | 8,100 | $791.0K | 0.00% | 00.0% | Unchanged |
| Summit Global Investments | 8,085 | $789.0K | 0.05% | +8,085 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,002 | $781.3K | 0.00% | −247−3.0% | Reduced |
| Guggenheim Capital LLC | 7,865 | $767.9K | 0.01% | −801−9.2% | Reduced |
| North Star Investment Management Corp. | 7,392 | $721.8K | 0.05% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 7,315 | $714.2K | 0.00% | −5,415−42.5% | Reduced |
| Kerrisdale Advisers, LLC | 7,265 | $709.4K | 0.37% | 00.0% | Unchanged |
| Horizon Investments, LLC | 7,194 | $702.4K | 0.01% | +7,194 | New |
| HRT Financial LP | 7,130 | $696.0K | 0.00% | −15,145−68.0% | Reduced |
| State Board of Administration of Florida Retirement System | 7,080 | $691.3K | 0.00% | −20−0.3% | Reduced |
| Oregon Public Employees Retirement Fund | 7,060 | $689.3K | 0.01% | −300−4.1% | Reduced |
| White Pine Capital LLC | 6,900 | $673.7K | 0.19% | 00.0% | Unchanged |
| Martingale Asset Management L P | 6,828 | $666.7K | 0.02% | +6,828 | New |
| Susquehanna International Group, LLP | 6,784 | $662.4K | 0.00% | −34,212−83.5% | Reduced |
| Gabelli Funds LLC | 6,422 | $627.0K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 6,266 | $611.8K | 0.00% | −3,700−37.1% | Reduced |
| Bayforest Capital Ltd | 6,115 | $597.1K | 0.28% | +1,898+45.0% | Added |
| Veracity Capital LLC | 6,114 | $597.0K | 0.19% | +6,114 | New |
| Merit Financial Group, LLC | 6,094 | $595.0K | 0.01% | +6,094 | New |
| Cetera Investment Advisers | 6,092 | $594.8K | 0.00% | +2,097+52.5% | Added |
| Teacher Retirement System of Texas | 6,057 | $591.4K | 0.00% | +1,167+23.9% | Added |
| Man Group plc | 5,979 | $583.8K | 0.00% | +5,979 | New |
| Cerity Partners LLC | 5,831 | $569.3K | 0.00% | +161+2.8% | Added |
| Federation des caisses Desjardins du Quebec | 5,610 | $547.8K | 0.00% | +208+3.9% | Added |
| CI Private Wealth, LLC | 5,570 | $543.9K | 0.00% | +5,570 | New |
| Aviva PLC | 5,513 | $538.3K | 0.00% | −2,017−26.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 5,715 | $478.1K | 0.00% | +1,111+24.1% | Added |
| Everence Capital Management Inc | 4,880 | $476.0K | 0.03% | 00.0% | Unchanged |
| Empowered Funds, LLC | 4,820 | $470.6K | 0.00% | +1,106+29.8% | Added |
| Magnetar Financial LLC | 4,618 | $450.9K | 0.00% | −1,151−20.0% | Reduced |
| Maryland State Retirement & Pension System | 4,517 | $441.0K | 0.01% | −4,939−52.2% | Reduced |
| Pacer Advisors, Inc. | 4,485 | $437.9K | 0.00% | −102,037−95.8% | Reduced |
| Pictet Asset Management Holding SA | 4,300 | $419.9K | 0.00% | −965−18.3% | Reduced |
| Vestcor Inc | 4,286 | $418.0K | 0.01% | −2,458−36.4% | Reduced |
| Russell Investments Group, Ltd. | 4,239 | $413.9K | 0.00% | −7,126−62.7% | Reduced |
| Bank of Montreal | 4,202 | $410.3K | 0.00% | −1,662−28.3% | Reduced |
| Graham Capital Management, L.P. | 4,198 | $409.9K | 0.02% | +4,198 | New |
| SkyOak Wealth, LLC | 4,177 | $407.8K | 0.08% | −417−9.1% | Reduced |
| Mackenzie Financial Corp | 4,157 | $405.9K | 0.00% | −2,189−34.5% | Reduced |
| Linden Thomas Advisory Services, LLC | 4,085 | $398.9K | 0.04% | −42−1.0% | Reduced |
| Firsthand Capital Management, Inc. | 4,000 | $390.6K | 0.66% | 00.0% | Unchanged |
| MML Investors Services, LLC | 3,725 | $363.7K | 0.00% | +3,725 | New |
| HighTower Advisors, LLC | 3,642 | $355.6K | 0.00% | +275+8.2% | Added |
| Engineers Gate Manager LP | 3,571 | $348.7K | 0.00% | +3,571 | New |
| Net Worth Advisory Group | 3,547 | $346.3K | 0.10% | −327−8.4% | Reduced |