Axcelis TechnologiesACLS
13F holders, Q3 2025 (September 30)361holders +33
71new positions
35sold out
7famous investors
$97.47avg. 13F price*
At the end of Q3 2025, 361 institutions reported holding Axcelis Technologies Inc. (ACLS) in their 13F filings, up 33 from Q2 2025. 71 opened new positions and 35 sold out. The largest holders were BlackRock, Inc. ($474.9M), Vanguard Group Inc. ($408.7M) and Reinhart Partners, Llc. ($157.2M). 7 famous investors held it, including Jeremy Grantham (0.1% of GMO's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Axcelis Technologies Inc.
- CUSIP
- 054540208
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 71 | $85.3M |
| Exits | 35 | $21.2M |
All 13F filers, Q2 2025 → Q3 2025: 2,550,370 shares bought and 3,651,204 shares sold, net −1,100,834 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 361 holders
| BlackRock, Inc. | 0.01% | Reduce -3.1% | 4,864,173 | $474.9M |
| Vanguard Group Inc. | 0.01% | Reduce -3.2% | 4,185,701 | $408.7M |
| Reinhart Partners, Llc. | 5.11% | Add +6.0% | 1,610,332 | $157.2M |
| American Century Companies Inc. | 0.07% | Reduce -18.9% | 1,345,761 | $131.4M |
| State Street Corp. | 0.00% | Reduce -1.5% | 1,230,116 | $120.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.24% | Add +1.0% | 930,362 | $90.8M |
| Geode Capital Management, LLC | 0.01% | Add +0.1% | 926,739 | $90.5M |
| Victory Capital Management Inc. | 0.05% | Add +9.6% | 972,162 | $90.2M |
| Primecap Management Co. | 0.06% | Reduce -2.2% | 833,676 | $81.4M |
| Dimensional Fund Advisors LP | 0.02% | Add +4.6% | 769,612 | $75.1M |
| FMR LLC | 0.00% | Add +44.1% | 551,398 | $53.8M |
| T. Rowe Price Associates Inc. | 0.01% | Add +0.6% | 532,108 | $52.0M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -16.3% | 494,775 | $48.3M |
| Boston Trust Walden Corp | 0.33% | Reduce -45.6% | 460,287 | $44.9M |
| Boston Partners | 0.05% | Reduce -1.1% | 468,741 | $44.9M |
| Morgan Stanley | 0.00% | Reduce -17.5% | 454,087 | $44.3M |
| GMO | 0.12% | Add +0.4% | 443,863 | $43.3M |
| Northern Trust Corp. | 0.01% | Reduce -1.5% | 434,988 | $42.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.1% | 427,113 | $41.7M |
| Bank of America Corp. | 0.00% | Reduce -41.7% | 410,314 | $40.1M |
| Invesco Ltd. | 0.01% | Add +176.6% | 386,735 | $37.8M |
| Citigroup Inc. | 0.02% | Reduce -10.5% | 324,354 | $31.7M |
| LSV Asset Management | 0.07% | New | 314,900 | $30.7M |
| BNP Paribas Financial Markets | 0.02% | Add +47.7% | 283,926 | $27.7M |
| Millennium Management | 0.02% | Add +143.8% | 261,776 | $25.6M |
| Janus Henderson Group PLC | 0.01% | Add +142.2% | 235,412 | $23.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.9% | 219,418 | $21.4M |
| Federated Hermes, Inc. | 0.04% | Reduce -1.5% | 217,802 | $21.3M |
| JPMorgan Chase & Co. | 0.00% | Add +22.2% | 217,394 | $21.2M |
| BlackBarn Capital Partners LP | 6.37% | Reduce -44.4% | 200,000 | $19.5M |
| Principal Financial Group Inc. | 0.01% | Reduce -9.9% | 185,268 | $18.1M |
| Kennedy Capital Management LLC | 0.40% | Add +37.5% | 183,100 | $17.9M |
| Royal Bank of Canada | 0.00% | Reduce -19.8% | 168,865 | $16.5M |
| D. E. Shaw & Co. | 0.01% | Add +97.2% | 154,338 | $15.1M |
| Royce & Associates LP | 0.14% | Reduce -45.4% | 144,708 | $14.1M |
| First Eagle Investment Management, LLC | 0.02% | Add +78.6% | 130,358 | $12.7M |
| Squarepoint Ops LLC | 0.03% | Add +28.8% | 128,871 | $12.6M |
| UBS Group AG | 0.00% | Reduce -35.7% | 127,323 | $12.4M |
| Public Sector Pension Investment Board | 0.04% | Add +11.8% | 122,564 | $12.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.5% | 118,133 | $11.5M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 117,797 | $11.5M |
| Allspring Global Investments Holdings, LLC | 0.02% | Add +1344.8% | 109,628 | $10.4M |
| Rhumbline Advisers | 0.01% | Add +2.3% | 96,897 | $9.5M |
| Clark Capital Management Group, Inc. | 0.06% | Add +14.2% | 96,588 | $9.4M |
| Voloridge Investment Management, LLC | 0.03% | Reduce -69.5% | 95,227 | $9.3M |
| Legal & General Group Plc | 0.00% | Reduce -6.3% | 83,016 | $8.1M |
| Nuveen, LLC | 0.00% | Reduce -1.3% | 73,282 | $7.2M |
| Wells Fargo & Company | 0.00% | Add +122.5% | 73,023 | $7.1M |
| Creative Planning | 0.01% | Add +8.1% | 72,634 | $7.1M |
| Susquehanna Portfolio Strategies, LLC | 0.11% | Add +4.7% | 71,086 | $6.9M |
| Alliancebernstein L.P. | 0.00% | Reduce -2.7% | 69,644 | $6.8M |
| Barclays PLC | 0.00% | Reduce -11.1% | 69,585 | $6.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -40.7% | 66,098 | $6.5M |
| Swiss National Bank | 0.00% | Add +1.3% | 62,300 | $6.1M |
| Segall Bryant & Hamill, LLC | 0.08% | New | 58,611 | $5.7M |
| Paradigm Capital Management Inc. | 0.24% | Reduce -36.3% | 56,100 | $5.5M |
| Globeflex Capital L P | 0.84% | Add +28.7% | 55,997 | $5.5M |
| First Trust Advisors LP | 0.00% | Reduce -21.1% | 55,243 | $5.4M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -0.6% | 54,221 | $5.3M |
| QSM Asset Management Ltd | 3.69% | Reduce -12.0% | 53,166 | $5.2M |
| AXA Investment Managers S.A. | 0.01% | — | 52,179 | $5.1M |
| Franklin Resources Inc. | 0.00% | Add +220.7% | 74,672 | $5.0M |
| State of Wisconsin Investment Board | 0.01% | Reduce -44.6% | 50,214 | $4.9M |
| LPL Financial LLC | 0.00% | Reduce -9.4% | 48,968 | $4.8M |
| Private Advisor Group, LLC | 0.02% | Reduce -5.6% | 45,895 | $4.5M |
| Harbor Capital Advisors, Inc. | 0.34% | Reduce -66.8% | 45,025 | $4.4M |
| Prudential Financial Inc. | 0.01% | Add +32.8% | 44,385 | $4.3M |
| Envestnet Asset Management Inc. | 0.00% | Add +11.6% | 42,696 | $4.2M |
| Isthmus Partners, LLC | 0.48% | Add +23.0% | 42,016 | $4.1M |
| Ossiam | 0.05% | New | 40,700 | $4.0M |
| Schonfeld Strategic Advisors LLC | 0.03% | Add +89.3% | 37,637 | $3.7M |
| Two Sigma Investments, LP | 0.01% | Add +3.5% | 37,165 | $3.6M |
| AQR Capital Management | 0.00% | Reduce -15.4% | 36,651 | $3.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 36,000 | $3.5M |
| Verition Fund Management LLC | 0.02% | Reduce -28.8% | 35,776 | $3.5M |
| Janney Montgomery Scott LLC | 0.01% | Reduce -8.7% | 35,529 | $3.5M |
| Homestead Advisers Corp | 0.08% | No change | 34,200 | $3.3M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -7.2% | 32,985 | $3.2M |
| Bridges Investment Management Inc. | 0.04% | Add +6.5% | 31,699 | $3.1M |
| Focus Partners Wealth | 0.01% | New | 4,206 | $3.1M |
| Algert Global LLC | 0.05% | Add +81.9% | 31,110 | $3.0M |
| Soviero Asset Management, LP | 1.87% | Reduce -35.4% | 31,000 | $3.0M |
| Bridgeway Capital Management, LLC | 0.06% | New | 31,000 | $3.0M |
| Amundi | 0.00% | Add +535.5% | 34,018 | $3.0M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 30,131 | $2.9M |
| Jane Street Group, LLC | 0.00% | Reduce -56.3% | 28,609 | $2.8M |
| Jackson Square Partners, LLC | 1.08% | Reduce -22.0% | 27,335 | $2.7M |
| New Insight Wealth Advisors | 0.99% | Reduce -15.2% | 27,013 | $2.6M |
| Citadel Advisors | 0.00% | Reduce -89.5% | 26,827 | $2.6M |
| Marshall Wace, LLP | 0.00% | New | 25,684 | $2.5M |
| Deutsche Bank AG | 0.00% | Add +12.9% | 25,447 | $2.5M |
| Chase Investment Counsel Corp. | 0.69% | No change | 24,000 | $2.3M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -4.1% | 22,667 | $2.2M |
| Jackson Creek Investment Advisors LLC | 0.63% | New | 22,299 | $2.2M |
| Stifel Financial Corp. | 0.00% | Add +4.2% | 21,736 | $2.1M |
| F/m Investments LLC | 0.08% | New | 21,068 | $2.1M |
| HSBC Holdings PLC | 0.00% | Add +44.7% | 20,761 | $2.0M |
| Zacks Investment Management | 0.02% | New | 20,213 | $2.0M |
| Andra AP-fonden | 0.02% | Add +11.1% | 19,990 | $2.0M |
| Simplex Trading, LLC | 0.04% | Add +31.9% | 18,887 | $1.8M |
"% of holder's portfolio" is ACLS's weight in each manager's 13F, not the share of Axcelis Technologies Inc. the manager owns.