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 2025
Institutional positions in Axcelis Technologies Inc as of Mar 31, 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
- 307
- −16 vs. Q4 2024
- Shares held
- 31.1M
- +363.6K (+1.2%) vs. Q4 2024
- Total value
- $1.54B
- −$607.5M (−28.3%) vs. Q4 2024
- New holders
- 50
- 125 more added
- Sold out
- 66
- 86 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 925,571 | $46.0M | 0.00% | +27,821+3.1% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,020,732 | $50.7M | 0.14% | +424,582+71.2% | Added |
| American Century Companies Inc | 1,140,495 | $56.6M | 0.03% | +80,399+7.6% | Added |
| State Street Corp | 1,248,230 | $62.0M | 0.00% | −52,958−4.1% | Reduced |
| Reinhart Partners, Inc. | 1,441,022 | $71.6M | 2.61% | +404,910+39.1% | Added |
| Vanguard Group Inc | 4,439,902 | $220.5M | 0.00% | +43,768+1.0% | Added |
| BlackRock, Inc. | 5,338,420 | $265.2M | 0.01% | −108,809−2.0% | Reduced |
| Massachusetts Financial Services Co | 0 | $0 | 0.00% | −233,008−100.0% | Sold out |
| Senvest Management, LLC | 0 | $0 | 0.00% | −138,192−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −112,196−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −79,551−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −69,894−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −64,080−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −57,261−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −45,118−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −33,376−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −32,510−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −26,230−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −21,132−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −16,880−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −16,823−100.0% | Sold out |
| Four Tree Island Advisory LLC | 0 | $0 | 0.00% | −14,791−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −13,678−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −12,935−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −8,597−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −8,519−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −7,910−100.0% | Sold out |
| Western Wealth Management, LLC | 0 | $0 | 0.00% | −7,300−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −7,075−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −6,777−100.0% | Sold out |
| Bryce Point Capital, LLC | 0 | $0 | 0.00% | −6,680−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −6,655−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −6,526−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −6,523−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −5,704−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −5,630−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −5,506−100.0% | Sold out |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −5,276−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −4,800−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −4,615−100.0% | Sold out |
| New Vernon Capital Holdings II LLC | 0 | $0 | 0.00% | −4,420−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −4,264−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −3,978−100.0% | Sold out |
| James Investment Research Inc | 0 | $0 | 0.00% | −3,976−100.0% | Sold out |
| ARGA Investment Management, LP | 0 | $0 | 0.00% | −3,696−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −3,612−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −3,608−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −3,289−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −3,190−100.0% | Sold out |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −3,066−100.0% | Sold out |
| Breed's Hill Capital LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −2,922−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −2,845−100.0% | Sold out |
| Chilton Capital Management LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Edmond de Rothschild Holding S.A. | 0 | $0 | 0.00% | −1,910−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −714−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −706−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −489−100.0% | Sold out |
| Caitlin John, LLC | 0 | $0 | 0.00% | −365−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −335−100.0% | Sold out |
| Castleview Partners, LLC | 0 | $0 | 0.00% | −230−100.0% | Sold out |
| Umb Bank N A | 0 | $0 | 0.00% | −212−100.0% | Sold out |
| Oarsman Capital, Inc. | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| LGT Financial Advisors LLC | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| Richardson Capital Management LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| Hollencrest Capital Management | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| New Wave Wealth Advisors LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Blue Bell Private Wealth Management, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Private Wealth Management Group, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Pineridge Advisors LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| WealthTrak Capital Management LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| DiNuzzo Private Wealth, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |