Axcelis TechnologiesACLS
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 440 institutions reported holding Axcelis Technologies Inc. (ACLS) in their 13F filings, up 60 from Q1 2026. 108 opened new positions and 46 sold out. The largest holders were BlackRock, Inc. ($952.8M), FMR LLC ($781.7M) and Vanguard Portfolio Management LLC ($469.6M). 9 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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 108 | $135.8M |
| Exits | 46 | $66.3M |
All 13F filers, Q1 2026 → Q2 2026: 4,694,339 shares bought and 6,337,305 shares sold, net −1,642,966 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 440 holders
| BlackRock, Inc. | 0.01% | Add +1.9% | 5,029,462 | $952.8M |
| FMR LLC | 0.03% | Add +69.7% | 4,125,902 | $781.7M |
| Vanguard Portfolio Management LLC | 0.02% | Reduce -0.4% | 2,478,878 | $469.6M |
| Vanguard Capital Management LLC | 0.01% | Add +0.3% | 1,386,518 | $262.7M |
| State Street Corp. | 0.01% | Add +3.5% | 1,231,109 | $233.2M |
| Victory Capital Management Inc. | 0.12% | Reduce -11.3% | 1,134,007 | $214.8M |
| Reinhart Partners, Llc. | 4.02% | Reduce -44.0% | 928,660 | $175.9M |
| Geode Capital Management, LLC | 0.01% | Add +2.8% | 833,607 | $158.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.15% | Reduce -20.2% | 803,151 | $152.2M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -16.0% | 709,266 | $134.3M |
| Balyasny Asset Management L.P. | 0.22% | Reduce -54.8% | 616,196 | $116.7M |
| Primecap Management Co. | 0.07% | Reduce -7.3% | 610,451 | $115.6M |
| Invesco Ltd. | 0.01% | Add +219.7% | 527,724 | $100.0M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -6.6% | 416,230 | $78.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +8.9% | 394,455 | $74.7M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.23% | Add +688040.3% | 392,240 | $74.3M |
| Manufacturers Life Insurance Company, The | 0.06% | Reduce -22.0% | 383,760 | $72.7M |
| Northern Trust Corp. | 0.01% | Reduce -8.3% | 382,027 | $72.4M |
| American Century Companies Inc. | 0.03% | Reduce -61.1% | 369,879 | $70.1M |
| Morgan Stanley | 0.00% | Reduce -37.1% | 366,077 | $69.4M |
| Boston Trust Walden Corp | 0.52% | Reduce -5.1% | 359,256 | $68.1M |
| Emerald Advisers, LLC | 1.47% | Add +243.4% | 330,469 | $62.6M |
| UBS Group AG | 0.01% | Reduce -14.9% | 320,891 | $60.8M |
| Boston Partners | 0.05% | Reduce -10.7% | 303,929 | $55.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -52.7% | 235,253 | $44.6M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +10.2% | 220,809 | $41.8M |
| Emerald Mutual Fund Advisers Trust | 1.46% | Add +362.8% | 219,443 | $41.6M |
| Principal Financial Group Inc. | 0.02% | Add +3.8% | 218,113 | $41.3M |
| Allspring Global Investments Holdings, LLC | 0.06% | Reduce -15.2% | 219,357 | $39.1M |
| Bank of New York Mellon Corp | 0.01% | Add +2.6% | 204,964 | $38.8M |
| Citigroup Inc. | 0.02% | Add +647.1% | 184,124 | $34.9M |
| Millennium Management | 0.02% | Add +1011.1% | 139,242 | $26.4M |
| GMO | 0.06% | Reduce -59.5% | 135,580 | $25.7M |
| Alpine Associates Management Inc. | 1.60% | New | 134,905 | $25.6M |
| Sagefield Capital LP | 1.88% | Add +62.7% | 133,770 | $25.3M |
| D. E. Shaw & Co. | 0.02% | Reduce -75.6% | 133,044 | $25.2M |
| Federated Hermes, Inc. | 0.04% | Reduce -36.7% | 132,331 | $25.1M |
| First Trust Advisors LP | 0.01% | Reduce -10.5% | 123,278 | $23.4M |
| Alberta Investment Management Corp | 0.13% | Add +200.0% | 107,250 | $20.3M |
| Public Sector Pension Investment Board | 0.05% | Reduce -3.8% | 105,601 | $20.0M |
| Weiss Asset Management LP | 0.33% | New | 103,258 | $19.6M |
| Kennedy Capital Management LLC | 0.32% | Reduce -46.6% | 95,038 | $18.0M |
| Bessemer Group Inc. | 0.02% | Add +150.0% | 95,004 | $18.0M |
| Old West Investment Management, LLC | 1.81% | Add +112.7% | 90,334 | $17.1M |
| Bank of America Corp. | 0.00% | Reduce -18.8% | 90,147 | $17.1M |
| BNP Paribas Financial Markets | 0.01% | Reduce -39.4% | 87,705 | $16.6M |
| Creative Planning | 0.01% | Add +7.4% | 83,477 | $15.8M |
| Nuveen, LLC | 0.00% | Add +13.7% | 81,142 | $15.4M |
| Rhumbline Advisers | 0.01% | Reduce -12.5% | 76,372 | $14.5M |
| First Eagle Investment Management, LLC | 0.02% | Reduce -28.5% | 71,925 | $13.6M |
| Legal & General Group Plc | 0.00% | Reduce -2.2% | 70,350 | $13.3M |
| Wellington Management Group LLP | 0.00% | New | 68,987 | $13.1M |
| Deutsche Bank AG | 0.00% | Add +135.1% | 67,840 | $12.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.4% | 66,069 | $12.5M |
| Royce & Associates LP | 0.10% | Reduce -47.6% | 65,700 | $12.4M |
| Swiss National Bank | 0.01% | Add +0.7% | 61,600 | $11.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -33.2% | 52,552 | $10.0M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Add +577.0% | 50,777 | $9.6M |
| Two Sigma Investments, LP | 0.01% | Reduce -75.5% | 48,437 | $9.2M |
| Citadel Advisors | 0.01% | Add +926.4% | 46,239 | $8.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -80.2% | 44,011 | $8.0M |
| Emerald Investment Advisers, LLC | 0.52% | Add +4.7% | 41,615 | $7.9M |
| Virtu Financial LLC | 0.24% | Add +177.4% | 40,766 | $7.7M |
| Wells Fargo & Company | 0.00% | Reduce -21.5% | 40,607 | $7.7M |
| Globeflex Capital L P | 0.95% | Reduce -11.9% | 39,162 | $7.4M |
| Voleon Capital Management LP | 0.14% | Add +11.1% | 39,127 | $7.4M |
| LPL Financial LLC | 0.00% | Add +72.9% | 38,900 | $7.4M |
| Polar Asset Management Partners Inc. | 0.18% | New | 38,728 | $7.3M |
| Raymond James Financial Inc. | 0.00% | Add +1388.6% | 37,959 | $7.2M |
| Envestnet Asset Management Inc. | 0.00% | Add +12.3% | 35,707 | $6.8M |
| AQR Capital Management | 0.00% | Reduce -11.2% | 35,538 | $6.7M |
| Needham Investment Management LLC | 0.20% | Reduce -16.5% | 35,500 | $6.7M |
| California State Teachers Retirement System | 0.01% | Reduce -2.7% | 35,447 | $6.7M |
| Informed Momentum Co LLC | 0.59% | New | 35,066 | $6.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +117.1% | 34,043 | $6.4M |
| Sei Investments Co. | 0.01% | Reduce -25.1% | 33,749 | $6.4M |
| Amundi | 0.00% | Reduce -17.3% | 33,609 | $6.4M |
| Prudential Financial Inc. | 0.01% | Add +1.6% | 31,862 | $6.0M |
| Jupiter Topco LLC | 0.00% | — | 31,821 | $6.0M |
| Mercer Global Advisors Inc. | 0.01% | Reduce -34.0% | 31,663 | $6.0M |
| Great Lakes Advisors, LLC | 0.05% | Reduce -33.7% | 31,556 | $6.0M |
| Verition Fund Management LLC | 0.04% | New | 30,042 | $5.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +9.4% | 29,754 | $5.6M |
| Russell Investments Group, Ltd. | 0.00% | Add +262.9% | 28,274 | $5.4M |
| Susquehanna International Group, LLP | 0.00% | Add +110.0% | 26,829 | $5.1M |
| State of Wisconsin Investment Board | 0.01% | Reduce -35.8% | 26,472 | $5.0M |
| Harbor Capital Advisors, Inc. | 0.34% | Reduce -37.9% | 25,961 | $4.9M |
| LSV Asset Management | 0.01% | Reduce -94.3% | 24,600 | $4.7M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -2.5% | 24,513 | $4.6M |
| Paradigm Capital Management Inc. | 0.12% | No change | 24,000 | $4.5M |
| Isthmus Partners, LLC | 0.43% | Reduce -40.0% | 23,594 | $4.5M |
| Qube Research & Technologies Ltd | 0.00% | New | 23,094 | $4.4M |
| Marshall Wace, LLP | 0.00% | New | 22,248 | $4.2M |
| Bridges Investment Management Inc. | 0.05% | Reduce -44.2% | 21,558 | $4.1M |
| Alliancebernstein L.P. | 0.00% | Add +26.6% | 43,657 | $4.1M |
| Thrivent Financial for Lutherans | 0.01% | Reduce -1.5% | 20,182 | $3.8M |
| Abn Amro Investment Solutions | 0.03% | Reduce -18.4% | 20,103 | $3.8M |
| MetLife Investment Management, LLC | 0.02% | Add +6.0% | 18,260 | $3.5M |
| Stifel Financial Corp. | 0.00% | Reduce -19.9% | 18,080 | $3.4M |
| Los Angeles Capital Management LLC | 0.01% | Add +7709.6% | 17,962 | $3.4M |
"% of holder's portfolio" is ACLS's weight in each manager's 13F, not the share of Axcelis Technologies Inc. the manager owns.