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; 441 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 2026
Institutional positions in Axcelis Technologies Inc as of Jun 30, 2026. 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
- 441
- +67 vs. Q1 2026
- Shares held
- 30.9M
- −1.60M (−4.9%) vs. Q1 2026
- Total value
- $5.85B
- +$2.82B (+93.2%) vs. Q1 2026
- New holders
- 113
- 117 more added
- Sold out
- 46
- 146 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 441 | $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 | 392 | $4.35B |
| Q1 2024 | 384 | $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 | 204 | $1.37B |
| Q2 2021 | 188 | $1.17B |
| Q1 2021 | 192 | $1.20B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Holocene Advisors, LP | 9,616 | $1.82M | 0.00% | −41,959−81.4% | Reduced |
| JustInvest LLC | 9,690 | $1.84M | 0.02% | +202+2.1% | Added |
| State of New Jersey Common Pension Fund D | 9,936 | $1.88M | 0.01% | +9,936 | New |
| QRG Capital Management, Inc. | 10,254 | $1.94M | 0.02% | +658+6.9% | Added |
| Illumine Investment Management, LLC | 0 | $1.99M | 1.30% | −10,163−100.0% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 10,621 | $2.01M | 0.01% | −3,466−24.6% | Reduced |
| HSBC Holdings PLC | 10,917 | $2.02M | 0.00% | −526−4.6% | Reduced |
| BOCHK Asset Management Ltd | 10,700 | $2.03M | 0.32% | +10,700 | New |
| Gotham Asset Management, LLC | 10,795 | $2.05M | 0.00% | −1,146−9.6% | Reduced |
| State of Tennessee, Treasury Department | 10,831 | $2.05M | 0.01% | +3,964+57.7% | Added |
| Pathstone Holdings, LLC | 10,859 | $2.06M | 0.01% | −991−8.4% | Reduced |
| Penbrook Management LLC | 10,895 | $2.06M | 1.32% | −1,200−9.9% | Reduced |
| New York State Common Retirement Fund | 11,050 | $2.09M | 0.00% | +900+8.9% | Added |
| State Board of Administration of Florida Retirement System | 11,180 | $2.12M | 0.00% | +4,100+57.9% | Added |
| Tudor Investment Corp Et Al | 11,424 | $2.16M | 0.01% | +11,424 | New |
| Glazer Capital, LLC | 11,656 | $2.21M | 0.05% | +11,656 | New |
| Voya Investment Management LLC | 11,829 | $2.24M | 0.00% | −2,577−17.9% | Reduced |
| Man Group plc | 11,936 | $2.26M | 0.00% | +11,936 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,181 | $2.31M | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 12,301 | $2.33M | 0.00% | −50−0.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 12,321 | $2.33M | 0.00% | −16,800−57.7% | Reduced |
| Quantinno Capital Management LP | 12,518 | $2.37M | 0.00% | +182+1.5% | Added |
| Intech Investment Management LLC | 12,550 | $2.38M | 0.02% | −1,956−13.5% | Reduced |
| Janney Montgomery Scott LLC | 12,620 | $2.39M | 0.00% | −9,530−43.0% | Reduced |
| Virginia Retirement Systems Et Al | 12,638 | $2.39M | 0.01% | −3,800−23.1% | Reduced |
| Wesbanco Bank Inc | 12,800 | $2.42M | 0.06% | 00.0% | Unchanged |
| B. Metzler seel. Sohn & Co. AG | 13,383 | $2.54M | 0.02% | +13,383 | New |
| Capital Fund Management S.A. | 13,475 | $2.55M | 0.02% | +13,475 | New |
| Louisiana State Employees Retirement System | 13,500 | $2.56M | 0.04% | −100−0.7% | Reduced |
| Woodline Partners LP | 13,951 | $2.64M | 0.01% | +13,951 | New |
| ProShare Advisors LLC | 14,001 | $2.65M | 0.00% | +6,225+80.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 14,453 | $2.74M | 0.00% | −102−0.7% | Reduced |
| Barclays PLC | 14,532 | $2.75M | 0.00% | −20,839−58.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 14,779 | $2.80M | 0.01% | +3,679+33.1% | Added |
| ARGA Investment Management, LP | 14,881 | $2.82M | 0.07% | −26,527−64.1% | Reduced |
| RE Advisers Corp | 15,300 | $2.90M | 0.07% | +2,800+22.4% | Added |
| Illinois Municipal Retirement Fund | 15,490 | $2.93M | 0.03% | +410+2.7% | Added |
| New York State Teachers Retirement System | 15,867 | $3.01M | 0.01% | +1,010+6.8% | Added |
| Franklin Resources Inc | 16,865 | $3.20M | 0.00% | −9,854−36.9% | Reduced |
| State of Alaska, Department of Revenue | 16,950 | $3.21M | 0.03% | −5,029−22.9% | Reduced |
| Integrated Quantitative Investments LLC | 17,649 | $3.34M | 0.55% | +17,649 | New |
| Los Angeles Capital Management LLC | 17,962 | $3.40M | 0.01% | +17,732+7,709.6% | Added |
| Stifel Financial Corp | 18,080 | $3.43M | 0.00% | −4,504−19.9% | Reduced |
| MetLife Investment Management | 18,260 | $3.46M | 0.02% | +1,025+5.9% | Added |
| Abn Amro Investment Solutions | 20,103 | $3.81M | 0.03% | −4,547−18.4% | Reduced |
| Thrivent Financial for Lutherans | 20,182 | $3.82M | 0.01% | −309−1.5% | Reduced |
| Alliancebernstein L.P. | 43,657 | $4.06M | 0.00% | +9,168+26.6% | Added |
| Bridges Investment Management Inc | 21,558 | $4.08M | 0.05% | −17,079−44.2% | Reduced |
| Marshall Wace, LLP | 22,248 | $4.21M | 0.00% | +22,248 | New |
| Qube Research & Technologies Ltd | 23,094 | $4.38M | 0.00% | +23,094 | New |
| Isthmus Partners, LLC | 23,594 | $4.47M | 0.43% | −15,763−40.1% | Reduced |
| Paradigm Capital Management Inc | 24,000 | $4.55M | 0.12% | 00.0% | Unchanged |
| Great West Life Assurance Co | 24,513 | $4.64M | 0.01% | −641−2.5% | Reduced |
| LSV Asset Management | 24,600 | $4.66M | 0.01% | −404,900−94.3% | Reduced |
| Harbor Capital Advisors, Inc. | 25,961 | $4.92M | 0.34% | −15,870−37.9% | Reduced |
| State of Wisconsin Investment Board | 26,472 | $5.02M | 0.01% | −14,735−35.8% | Reduced |
| Susquehanna International Group, LLP | 26,829 | $5.08M | 0.00% | +14,053+110.0% | Added |
| Russell Investments Group, Ltd. | 28,274 | $5.36M | 0.00% | +20,484+263.0% | Added |
| Vanguard Asset Management, Ltd | 29,754 | $5.64M | 0.00% | +2,555+9.4% | Added |
| Verition Fund Management LLC | 30,042 | $5.69M | 0.04% | +30,042 | New |
| Great Lakes Advisors, LLC | 31,556 | $5.98M | 0.05% | −16,038−33.7% | Reduced |
| Mercer Global Advisors Inc | 31,663 | $6.00M | 0.01% | −16,313−34.0% | Reduced |
| Jupiter Topco LLC | 31,821 | $6.03M | 0.00% | +31,821 | New |
| Prudential Financial Inc | 31,862 | $6.04M | 0.01% | +485+1.5% | Added |
| Amundi | 33,609 | $6.37M | 0.00% | −7,018−17.3% | Reduced |
| SEI Investments Co | 33,749 | $6.39M | 0.01% | −11,286−25.1% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 34,043 | $6.45M | 0.01% | +18,365+117.1% | Added |
| EAM Investors, LLC | 35,066 | $6.64M | 0.59% | +35,066 | New |
| California State Teachers Retirement System | 35,447 | $6.72M | 0.01% | −973−2.7% | Reduced |
| Needham Investment Management LLC | 35,500 | $6.73M | 0.20% | −7,000−16.5% | Reduced |
| AQR Capital Management LLC | 35,538 | $6.73M | 0.00% | −4,477−11.2% | Reduced |
| Envestnet Asset Management Inc | 35,707 | $6.76M | 0.00% | +3,926+12.4% | Added |
| Raymond James Financial Inc | 37,959 | $7.19M | 0.00% | +35,409+1,388.6% | Added |
| Polar Asset Management Partners Inc. | 38,728 | $7.34M | 0.13% | +38,728 | New |
| LPL Financial LLC | 38,900 | $7.37M | 0.00% | +16,403+72.9% | Added |
| Voleon Capital Management LP | 39,127 | $7.41M | 0.14% | +3,906+11.1% | Added |
| Globeflex Capital L P | 39,162 | $7.42M | 0.95% | −5,293−11.9% | Reduced |
| Wells Fargo & Company | 40,607 | $7.69M | 0.00% | −11,094−21.5% | Reduced |
| Virtu Financial LLC | 40,766 | $7.72M | 0.24% | +26,069+177.4% | Added |
| Emerald Investment Advisers, LLC | 41,615 | $7.88M | 0.52% | +1,851+4.7% | Added |
| JPMorgan Chase & Co | 44,011 | $8.00M | 0.00% | −178,703−80.2% | Reduced |
| Citadel Advisors LLC | 46,239 | $8.76M | 0.01% | +41,734+926.4% | Added |
| Two Sigma Investments, LP | 48,437 | $9.18M | 0.01% | −149,129−75.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 50,777 | $9.62M | 0.01% | +43,277+577.0% | Added |
| Ameriprise Financial Inc | 52,552 | $9.96M | 0.00% | −26,143−33.2% | Reduced |
| Swiss National Bank | 61,600 | $11.7M | 0.01% | +400+0.7% | Added |
| Royce & Associates LP | 65,700 | $12.4M | 0.10% | −59,580−47.6% | Reduced |
| UBS Asset Management Americas Inc | 66,069 | $12.5M | 0.00% | +1,519+2.4% | Added |
| Deutsche Bank AG | 67,840 | $12.9M | 0.00% | +38,981+135.1% | Added |
| Wellington Management Group LLP | 68,987 | $13.1M | 0.00% | +68,987 | New |
| Legal & General Group Plc | 70,350 | $13.3M | 0.00% | −1,559−2.2% | Reduced |
| First Eagle Investment Management, LLC | 71,925 | $13.6M | 0.02% | −28,626−28.5% | Reduced |
| Rhumbline Advisers | 76,372 | $14.5M | 0.01% | −10,935−12.5% | Reduced |
| Nuveen, LLC | 81,142 | $15.4M | 0.00% | +9,757+13.7% | Added |
| Creative Planning | 83,477 | $15.8M | 0.01% | +5,765+7.4% | Added |
| BNP Paribas Arbitrage, SA | 87,705 | $16.6M | 0.01% | −56,973−39.4% | Reduced |
| Bank of America Corp | 90,147 | $17.1M | 0.00% | −20,852−18.8% | Reduced |
| Old West Investment Management, LLC | 90,334 | $17.1M | 1.81% | +47,853+112.6% | Added |
| Bessemer Group Inc | 95,004 | $18.0M | 0.02% | +57,003+150.0% | Added |
| Kennedy Capital Management, Inc. | 95,038 | $18.0M | 0.32% | −82,978−46.6% | Reduced |