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 |
|---|---|---|---|---|---|
| Principal Financial Group Inc | 205,677 | $14.3M | 0.01% | +11,639+6.0% | Added |
| Royal Bank of Canada | 210,572 | $14.7M | 0.00% | +93,006+79.1% | Added |
| Federated Hermes, Inc. | 221,164 | $15.4M | 0.03% | +26,972+13.9% | Added |
| Bank of New York Mellon Corp | 226,063 | $15.8M | 0.00% | +13,529+6.4% | Added |
| Citadel Advisors LLC | 254,493 | $17.7M | 0.02% | +232,400+1,051.9% | Added |
| Royce & Associates LP | 265,038 | $18.5M | 0.19% | −15,945−5.7% | Reduced |
| Voloridge Investment Management, LLC | 311,838 | $21.7M | 0.08% | −169,462−35.2% | Reduced |
| BlackBarn Capital Partners LP | 360,000 | $25.1M | 8.31% | −120,441−25.1% | Reduced |
| Citigroup Inc | 362,457 | $25.3M | 0.02% | +202,834+127.1% | Added |
| FMR LLC | 382,573 | $26.7M | 0.00% | +332,966+671.2% | Added |
| Charles Schwab Investment Management Inc | 406,412 | $28.3M | 0.00% | +20,405+5.3% | Added |
| Northern Trust Corp | 441,658 | $30.8M | 0.00% | +39,727+9.9% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 442,065 | $30.8M | 0.09% | −137,322−23.7% | Reduced |
| Boston Partners | 474,043 | $33.6M | 0.04% | +141,004+42.3% | Added |
| Price T Rowe Associates Inc | 529,143 | $36.9M | 0.00% | +2,721+0.5% | Added |
| Morgan Stanley | 550,161 | $38.3M | 0.00% | +42,781+8.4% | Added |
| Goldman Sachs Group Inc | 591,177 | $41.2M | 0.01% | −44,216−7.0% | Reduced |
| Bank of America Corp | 703,438 | $49.0M | 0.00% | −215,965−23.5% | Reduced |
| Dimensional Fund Advisors LP | 735,459 | $51.3M | 0.01% | +34,184+4.9% | Added |
| Boston Trust Walden Corp | 845,911 | $59.0M | 0.42% | +19,579+2.4% | Added |
| Primecap Management Co | 852,296 | $59.4M | 0.05% | +17,230+2.1% | Added |
| Victory Capital Management Inc | 886,755 | $63.6M | 0.04% | +867,592+4,527.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 921,126 | $64.2M | 0.16% | −99,606−9.8% | Reduced |
| Geode Capital Management, LLC | 925,305 | $64.5M | 0.00% | −2660.0% | Reduced |
| State Street Corp | 1,248,708 | $87.0M | 0.00% | +4780.0% | Added |
| Reinhart Partners, Inc. | 1,518,544 | $105.8M | 3.61% | +77,522+5.4% | Added |
| American Century Companies Inc | 1,659,463 | $115.6M | 0.06% | +518,968+45.5% | Added |
| Vanguard Group Inc | 4,323,949 | $301.3M | 0.00% | −115,953−2.6% | Reduced |
| BlackRock, Inc. | 5,021,946 | $350.0M | 0.01% | −316,474−5.9% | Reduced |
| IFP Advisors, Inc | 19 | – | – | −33−63.5% | Reduced |
| M&G Plc | 0 | $0 | 0.00% | −136,914−100.0% | Sold out |
| Mizuho Markets Americas LLC | 0 | $0 | 0.00% | −119,376−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −94,169−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −60,941−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −58,784−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −37,192−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −36,430−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −19,155−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −17,800−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −17,682−100.0% | Sold out |
| Aptus Capital Advisors, LLC | 0 | $0 | 0.00% | −17,376−100.0% | Sold out |
| Second Line Capital, LLC | 0 | $0 | 0.00% | −17,343−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −17,010−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −15,055−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −11,308−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −9,413−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −7,261−100.0% | Sold out |
| Three Seasons Wealth, LLC | 0 | $0 | 0.00% | −7,105−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −5,800−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −5,526−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −5,174−100.0% | Sold out |
| Hancock Whitney Corp | 0 | $0 | 0.00% | −4,826−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −4,082−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −1,585−100.0% | Sold out |
| EMC Capital Management | 0 | $0 | 0.00% | −1,168−100.0% | Sold out |
| Palouse Capital Management, Inc. | 0 | $0 | 0.00% | −1,135−100.0% | Sold out |
| Coldstream Capital Management Inc | 0 | $0 | 0.00% | −1,016−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −895−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −822−100.0% | Sold out |
| Ameriflex Group, Inc. | 0 | $0 | 0.00% | −730−100.0% | Sold out |
| Global Financial Private Client, LLC | 0 | $0 | 0.00% | −347−100.0% | Sold out |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −210−100.0% | Sold out |
| Stonebridge Financial Group, LLC | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Boston Private Wealth LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Private Wealth Asset Management, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| SJS Investment Consulting Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |