Axcelis TechnologiesACLS
13F holders, Q2 2025 (June 30)328holders +22
61new positions
42sold out
7famous investors
$69.77avg. 13F price*
At the end of Q2 2025, 328 institutions reported holding Axcelis Technologies Inc. (ACLS) in their 13F filings, up 22 from Q1 2025. 61 opened new positions and 42 sold out. The largest holders were BlackRock, Inc. ($350.0M), Vanguard Group Inc. ($301.3M) and American Century Companies Inc. ($115.6M). 7 famous investors held it, including Jeremy Grantham (0.1% of GMO's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Axcelis Technologies Inc.
- CUSIP
- 054540208
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 61 | $60.9M |
| Exits | 42 | $36.8M |
All 13F filers, Q1 2025 → Q2 2025: 4,170,808 shares bought and 3,730,930 shares sold, net +439,878 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 328 holders
| BlackRock, Inc. | 0.01% | Reduce -5.9% | 5,021,946 | $350.0M |
| Vanguard Group Inc. | 0.00% | Reduce -2.6% | 4,323,949 | $301.3M |
| American Century Companies Inc. | 0.06% | Add +45.5% | 1,659,463 | $115.6M |
| Reinhart Partners, Llc. | 3.61% | Add +5.4% | 1,518,544 | $105.8M |
| State Street Corp. | 0.00% | Add +0.0% | 1,248,708 | $87.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.0% | 925,305 | $64.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.16% | Reduce -9.8% | 921,126 | $64.2M |
| Victory Capital Management Inc. | 0.04% | Add +4527.4% | 886,755 | $63.6M |
| Primecap Management Co. | 0.05% | Add +2.1% | 852,296 | $59.4M |
| Boston Trust Walden Corp | 0.42% | Add +2.4% | 845,911 | $59.0M |
| Dimensional Fund Advisors LP | 0.01% | Add +4.9% | 735,459 | $51.3M |
| Bank of America Corp. | 0.00% | Reduce -23.5% | 703,438 | $49.0M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -7.0% | 591,177 | $41.2M |
| Morgan Stanley | 0.00% | Add +8.4% | 550,161 | $38.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +0.5% | 529,143 | $36.9M |
| Boston Partners | 0.04% | Add +42.3% | 474,043 | $33.6M |
| GMO | 0.09% | Reduce -23.7% | 442,065 | $30.8M |
| Northern Trust Corp. | 0.00% | Add +9.9% | 441,658 | $30.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.3% | 406,412 | $28.3M |
| FMR LLC | 0.00% | Add +671.2% | 382,573 | $26.7M |
| Citigroup Inc. | 0.02% | Add +127.1% | 362,457 | $25.3M |
| BlackBarn Capital Partners LP | 8.31% | Reduce -25.1% | 360,000 | $25.1M |
| Voloridge Investment Management, LLC | 0.08% | Reduce -35.2% | 311,838 | $21.7M |
| Royce & Associates LP | 0.19% | Reduce -5.7% | 265,038 | $18.5M |
| Citadel Advisors | 0.02% | Add +1051.9% | 254,493 | $17.7M |
| Bank of New York Mellon Corp | 0.00% | Add +6.4% | 226,063 | $15.8M |
| Federated Hermes, Inc. | 0.03% | Add +13.9% | 221,164 | $15.4M |
| Royal Bank of Canada | 0.00% | Add +79.1% | 210,572 | $14.7M |
| Principal Financial Group Inc. | 0.01% | Add +6.0% | 205,677 | $14.3M |
| UBS Group AG | 0.00% | Reduce -27.2% | 198,017 | $13.8M |
| BNP Paribas Financial Markets | 0.01% | Add +42.3% | 192,188 | $13.4M |
| JPMorgan Chase & Co. | 0.00% | Add +4.6% | 177,867 | $12.4M |
| Invesco Ltd. | 0.00% | Add +1.1% | 139,796 | $9.7M |
| Harbor Capital Advisors, Inc. | 0.40% | Reduce -3.6% | 135,583 | $9.4M |
| Kennedy Capital Management LLC | 0.22% | Add +2.6% | 133,206 | $9.3M |
| Ameriprise Financial Inc. | 0.00% | Add +22.6% | 122,351 | $8.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +41.4% | 111,390 | $7.8M |
| Public Sector Pension Investment Board | 0.03% | Add +6.3% | 109,575 | $7.6M |
| Millennium Management | 0.01% | Reduce -41.6% | 107,395 | $7.5M |
| Pacer Advisors, Inc. | 0.02% | Reduce -34.0% | 106,522 | $7.4M |
| Squarepoint Ops LLC | 0.02% | Add +37.0% | 100,023 | $7.0M |
| Janus Henderson Group PLC | 0.00% | Add +56.1% | 97,205 | $6.8M |
| Rhumbline Advisers | 0.01% | Reduce -1.9% | 94,758 | $6.6M |
| Balyasny Asset Management L.P. | 0.01% | New | 90,748 | $6.3M |
| State of Wisconsin Investment Board | 0.02% | Add +15.4% | 90,573 | $6.3M |
| Legal & General Group Plc | 0.00% | Reduce -15.8% | 88,596 | $6.2M |
| Paradigm Capital Management Inc. | 0.30% | Reduce -51.6% | 88,100 | $6.1M |
| Clark Capital Management Group, Inc. | 0.04% | New | 84,591 | $5.9M |
| Trexquant Investment LP | 0.06% | New | 81,043 | $5.6M |
| Barclays PLC | 0.00% | Add +39.0% | 78,287 | $5.5M |
| D. E. Shaw & Co. | 0.01% | Add +1140.1% | 78,253 | $5.5M |
| Nuveen, LLC | 0.00% | Reduce -17.1% | 74,209 | $5.2M |
| First Eagle Investment Management, LLC | 0.01% | New | 73,000 | $5.1M |
| Alliancebernstein L.P. | 0.00% | Add +16.4% | 71,588 | $5.0M |
| First Trust Advisors LP | 0.00% | Add +859.4% | 70,034 | $4.9M |
| Susquehanna Portfolio Strategies, LLC | 0.10% | New | 67,866 | $4.7M |
| Creative Planning | 0.00% | Add +41.7% | 67,212 | $4.7M |
| Jane Street Group, LLC | 0.01% | Reduce -46.0% | 65,504 | $4.6M |
| Norges Bank | 0.00% | Reduce -27.7% | 62,448 | $4.4M |
| Swiss National Bank | 0.00% | Reduce -2.4% | 61,500 | $4.3M |
| QSM Asset Management Ltd | 3.89% | New | 60,416 | $4.2M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +62.6% | 54,521 | $3.8M |
| WINTON GROUP Ltd | 0.19% | Reduce -46.4% | 54,317 | $3.8M |
| LPL Financial LLC | 0.00% | Reduce -4.2% | 54,069 | $3.8M |
| Verition Fund Management LLC | 0.02% | Add +43.4% | 50,227 | $3.5M |
| Private Advisor Group, LLC | 0.02% | Reduce -9.2% | 48,635 | $3.4M |
| Soviero Asset Management, LP | 2.45% | New | 48,000 | $3.3M |
| Globeflex Capital L P | 0.25% | Add +134.5% | 43,512 | $3.0M |
| AQR Capital Management | 0.00% | Add +21.2% | 43,303 | $3.0M |
| Mizuho Markets Cayman LP | 0.21% | New | 42,420 | $3.0M |
| Susquehanna International Group, LLP | 0.00% | Reduce -37.3% | 40,996 | $2.9M |
| Janney Montgomery Scott LLC | 0.01% | Add +103.8% | 38,923 | $2.7M |
| Envestnet Asset Management Inc. | 0.00% | Add +52.7% | 38,260 | $2.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | New | 36,000 | $2.5M |
| Two Sigma Investments, LP | 0.00% | Reduce -19.1% | 35,893 | $2.5M |
| Holocene Advisors, LP | 0.01% | Reduce -63.0% | 35,798 | $2.5M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -4.0% | 35,550 | $2.5M |
| Quantbot Technologies LP | 0.06% | Reduce -45.8% | 35,278 | $2.5M |
| Jackson Square Partners, LLC | 0.90% | Reduce -83.3% | 35,049 | $2.4M |
| Aquatic Capital Management LLC | 0.05% | Add +73.0% | 34,572 | $2.4M |
| Homestead Advisers Corp | 0.06% | No change | 34,200 | $2.4M |
| Isthmus Partners, LLC | 0.28% | Add +8.1% | 34,168 | $2.4M |
| Prudential Financial Inc. | 0.00% | Add +5.0% | 33,415 | $2.3M |
| Wells Fargo & Company | 0.00% | Reduce -7.5% | 32,827 | $2.3M |
| Optimize Financial Inc. | 1.37% | Reduce -0.7% | 32,021 | $2.2M |
| New Insight Wealth Advisors | 0.91% | No change | 31,847 | $2.2M |
| Rice Hall James & Associates, LLC | 0.12% | Reduce -3.5% | 31,728 | $2.2M |
| California State Teachers Retirement System | 0.00% | Add +1.2% | 30,130 | $2.1M |
| Bridges Investment Management Inc. | 0.03% | Add +15.4% | 29,775 | $2.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +98.5% | 28,000 | $2.0M |
| Fox Run Management, L.L.C. | 0.32% | New | 27,543 | $1.9M |
| ExodusPoint Capital Management, LP | 0.02% | Reduce -38.5% | 27,436 | $1.9M |
| Brevan Howard Capital Management LP | 0.02% | New | 26,987 | $1.9M |
| Ruffer LLP | 0.08% | New | 24,731 | $1.7M |
| Chase Investment Counsel Corp. | 0.53% | No change | 24,000 | $1.7M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -13.7% | 23,626 | $1.6M |
| Franklin Resources Inc. | 0.00% | Reduce -1.5% | 23,281 | $1.6M |
| Voya Investment Management LLC | 0.00% | Reduce -15.4% | 23,176 | $1.6M |
| Deutsche Bank AG | 0.00% | Reduce -14.5% | 22,545 | $1.6M |
| HRT Financial LP | 0.01% | Reduce -59.3% | 22,275 | $1.6M |
"% of holder's portfolio" is ACLS's weight in each manager's 13F, not the share of Axcelis Technologies Inc. the manager owns.