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, 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 | 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, 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 |
|---|---|---|---|---|---|
| Allianz Asset Management GmbH | 7,315 | $714.2K | 0.00% | −5,415−42.5% | Reduced |
| North Star Investment Management Corp. | 7,392 | $721.8K | 0.05% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 7,865 | $767.9K | 0.01% | −801−9.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,002 | $781.3K | 0.00% | −247−3.0% | Reduced |
| Summit Global Investments | 8,085 | $789.0K | 0.05% | +8,085 | New |
| Handelsbanken Fonder AB | 8,100 | $791.0K | 0.00% | 00.0% | Unchanged |
| James Investment Research Inc | 8,281 | $808.6K | 0.09% | +4,305+108.3% | Added |
| Brookwood Investment Group LLC | 8,400 | $820.2K | 0.11% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 8,430 | $823.1K | 0.04% | +800+10.5% | Added |
| Gsa Capital Partners LLP | 8,566 | $836.0K | 0.07% | −1,595−15.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 8,929 | $871.8K | 0.01% | +1,464+19.6% | Added |
| Ausbil Investment Management Ltd | 9,234 | $875.0K | 0.47% | +3,849+71.5% | Added |
| Amalgamated Bank | 9,072 | $886.0K | 0.01% | −118−1.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 9,149 | $894.0K | 0.01% | −1,550−14.5% | Reduced |
| JustInvest LLC | 9,243 | $902.5K | 0.01% | +207+2.3% | Added |
| Quantinno Capital Management LP | 9,349 | $912.8K | 0.00% | +1,757+23.1% | Added |
| ProShare Advisors LLC | 9,421 | $919.9K | 0.00% | −4,942−34.4% | Reduced |
| Peterson Wealth Services | 400 | $923.4K | 0.23% | −8,754−95.6% | Reduced |
| Arizona State Retirement System | 9,505 | $928.1K | 0.00% | +113+1.2% | Added |
| Fox Run Management, L.L.C. | 9,618 | $939.1K | 0.15% | −17,925−65.1% | Reduced |
| Comerica Bank | 9,721 | $949.2K | 0.00% | −1,993−17.0% | Reduced |
| Yousif Capital Management, LLC | 9,727 | $949.7K | 0.01% | −2,349−19.5% | Reduced |
| Bridgefront Capital, LLC | 9,895 | $966.1K | 0.28% | +9,895 | New |
| Morningstar Investment Management LLC | 10,027 | $979.0K | 0.04% | +10,027 | New |
| Illumine Investment Management, LLC | 10,031 | $979.4K | 0.70% | +93+0.9% | Added |
| New York State Common Retirement Fund | 10,150 | $991.0K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 10,448 | $1.02M | 0.01% | −16,988−61.9% | Reduced |
| Gotham Asset Management, LLC | 11,015 | $1.08M | 0.00% | −2,616−19.2% | Reduced |
| KLP Kapitalforvaltning AS | 11,100 | $1.08M | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,326 | $1.11M | 0.00% | +782+7.4% | 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 |
| Pathstone Holdings, LLC | 11,609 | $1.13M | 0.00% | +3,952+51.6% | Added |
| State of Tennessee, Treasury Department | 11,804 | $1.15M | 0.00% | +1,881+19.0% | Added |
| Vident Advisory, LLC | 13,666 | $1.33M | 0.01% | −3,080−18.4% | Reduced |
| Quest Partners LLC | 13,793 | $1.35M | 0.09% | +13,793 | New |
| Brevan Howard Capital Management LP | 13,818 | $1.35M | 0.02% | −13,169−48.8% | Reduced |
| Holocene Advisors, LP | 13,887 | $1.36M | 0.00% | −21,911−61.2% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 13,961 | $1.36M | 0.00% | −60.0% | Reduced |
| SEI Investments Co | 14,076 | $1.37M | 0.00% | +3,665+35.2% | Added |
| Louisiana State Employees Retirement System | 14,400 | $1.41M | 0.02% | −600−4.0% | Reduced |
| Winton Group Ltd | 14,468 | $1.41M | 0.05% | −39,849−73.4% | Reduced |
| Mariner, LLC | 14,529 | $1.42M | 0.00% | −1,385−8.7% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 14,609 | $1.43M | 0.01% | +3,726+34.2% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 14,648 | $1.43M | 0.00% | −13,352−47.7% | Reduced |
| Voya Investment Management LLC | 14,676 | $1.43M | 0.00% | −8,500−36.7% | Reduced |
| Raymond James Financial Inc | 14,695 | $1.43M | 0.00% | −2,051−12.2% | Reduced |
| Oppenheimer Asset Management Inc. | 14,747 | $1.44M | 0.02% | +7,775+111.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 14,980 | $1.46M | 0.00% | −2,692−15.2% | Reduced |
| Manufacturers Life Insurance Company, The | 15,299 | $1.49M | 0.00% | −1,437−8.6% | Reduced |
| Mizuho Markets Cayman LP | 15,616 | $1.52M | 0.13% | −26,804−63.2% | Reduced |
| State of Alaska, Department of Revenue | 15,810 | $1.54M | 0.02% | −3,287−17.2% | Reduced |
| New York State Teachers Retirement System | 15,867 | $1.55M | 0.00% | −400−2.5% | Reduced |
| Illinois Municipal Retirement Fund | 16,102 | $1.57M | 0.02% | +1,626+11.2% | Added |
| Quantbot Technologies LP | 16,156 | $1.58M | 0.04% | −19,122−54.2% | Reduced |
| Old West Investment Management, LLC | 16,268 | $1.59M | 0.36% | +16,268 | New |
| Virginia Retirement Systems Et Al | 16,638 | $1.62M | 0.01% | −300−1.8% | Reduced |
| Penbrook Management LLC | 16,895 | $1.65M | 1.15% | 00.0% | Unchanged |
| Abn Amro Investment Solutions | 17,390 | $1.70M | 0.03% | 00.0% | Unchanged |
| Intech Investment Management LLC | 17,671 | $1.73M | 0.02% | +555+3.2% | Added |
| Wakefield Asset Management LLLP | 18,091 | $1.77M | 0.48% | +24+0.1% | Added |
| ARGA Investment Management, LP | 18,534 | $1.81M | 0.05% | 00.0% | Unchanged |
| MetLife Investment Management | 18,740 | $1.83M | 0.01% | +18,740 | New |
| Simplex Trading, LLC | 18,887 | $1.84M | 0.04% | +4,565+31.9% | Added |
| Andra AP-fonden | 19,990 | $1.95M | 0.02% | +2,000+11.1% | Added |
| Zacks Investment Management | 20,213 | $1.97M | 0.02% | +20,213 | New |
| HSBC Holdings PLC | 20,761 | $2.01M | 0.00% | +6,416+44.7% | Added |
| F/M Investments LLC | 21,068 | $2.06M | 0.08% | +21,068 | New |
| Stifel Financial Corp | 21,736 | $2.12M | 0.00% | +882+4.2% | Added |
| Jackson Creek Investment Advisors LLC | 22,299 | $2.18M | 0.63% | +22,299 | New |
| Thrivent Financial for Lutherans | 22,667 | $2.21M | 0.00% | −959−4.1% | Reduced |
| Chase Investment Counsel Corp | 24,000 | $2.34M | 0.69% | 00.0% | Unchanged |
| Deutsche Bank AG | 25,447 | $2.48M | 0.00% | +2,902+12.9% | Added |
| Marshall Wace, LLP | 25,684 | $2.51M | 0.00% | +25,684 | New |
| Citadel Advisors LLC | 26,827 | $2.62M | 0.00% | −227,666−89.5% | Reduced |
| New Insight Wealth Advisors | 27,013 | $2.64M | 0.99% | −4,834−15.2% | Reduced |
| Jackson Square Partners, LLC | 27,335 | $2.67M | 1.08% | −7,714−22.0% | Reduced |
| Jane Street Group, LLC | 28,609 | $2.79M | 0.00% | −36,895−56.3% | Reduced |
| California State Teachers Retirement System | 30,131 | $2.94M | 0.00% | +10.0% | Added |
| Amundi | 34,018 | $2.98M | 0.00% | +28,665+535.5% | Added |
| Soviero Asset Management, LP | 31,000 | $3.03M | 1.87% | −17,000−35.4% | Reduced |
| Bridgeway Capital Management, LLC | 31,000 | $3.03M | 0.06% | +31,000 | New |
| Algert Global LLC | 31,110 | $3.04M | 0.05% | +14,010+81.9% | Added |
| Bridges Investment Management Inc | 31,699 | $3.10M | 0.04% | +1,924+6.5% | Added |
| Great West Life Assurance Co | 32,985 | $3.19M | 0.00% | −2,565−7.2% | Reduced |
| RE Advisers Corp | 34,200 | $3.34M | 0.08% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 35,529 | $3.47M | 0.01% | −3,394−8.7% | Reduced |
| Verition Fund Management LLC | 35,776 | $3.49M | 0.02% | −14,451−28.8% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 36,000 | $3.52M | 0.01% | 00.0% | Unchanged |
| AQR Capital Management LLC | 36,651 | $3.58M | 0.00% | −6,652−15.4% | Reduced |
| Two Sigma Investments, LP | 37,165 | $3.63M | 0.01% | +1,272+3.5% | Added |
| Schonfeld Strategic Advisors LLC | 37,637 | $3.67M | 0.03% | +17,750+89.3% | Added |
| Ossiam | 40,700 | $3.97M | 0.05% | +40,700 | New |
| Envestnet Asset Management Inc | 42,696 | $4.17M | 0.00% | +4,436+11.6% | Added |
| Prudential Financial Inc | 44,385 | $4.33M | 0.01% | +10,970+32.8% | Added |
| Harbor Capital Advisors, Inc. | 45,025 | $4.40M | 0.34% | −90,558−66.8% | Reduced |
| Private Advisor Group, LLC | 45,895 | $4.48M | 0.02% | −2,740−5.6% | Reduced |
| LPL Financial LLC | 48,968 | $4.78M | 0.00% | −5,101−9.4% | Reduced |
| State of Wisconsin Investment Board | 50,214 | $4.90M | 0.01% | −40,359−44.6% | Reduced |
| Franklin Resources Inc | 74,672 | $5.04M | 0.00% | +51,391+220.7% | Added |