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 |
|---|---|---|---|---|---|
| Allianz Asset Management GmbH | 12,730 | $887.2K | 0.00% | −1,800−12.4% | Reduced |
| Gotham Asset Management, LLC | 13,631 | $949.9K | 0.01% | +8,713+177.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 13,967 | $973.0K | 0.00% | +1,799+14.8% | Added |
| Simplex Trading, LLC | 14,322 | $998.0K | 0.03% | +14,322 | New |
| ProShare Advisors LLC | 14,363 | $1.00M | 0.00% | −150−1.0% | Reduced |
| Illinois Municipal Retirement Fund | 14,476 | $1.01M | 0.01% | −547−3.6% | Reduced |
| HSBC Holdings PLC | 14,345 | $1.01M | 0.00% | +14,345 | New |
| Louisiana State Employees Retirement System | 15,000 | $1.05M | 0.02% | −300−2.0% | Reduced |
| Edgestream Partners, L.P. | 15,396 | $1.07M | 0.03% | +15,396 | New |
| Canada Pension Plan Investment Board | 15,600 | $1.09M | 0.00% | +15,600 | New |
| Mariner, LLC | 15,914 | $1.11M | 0.00% | +9,244+138.6% | Added |
| New York State Teachers Retirement System | 16,267 | $1.13M | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 16,736 | $1.17M | 0.00% | −1,089−6.1% | Reduced |
| Raymond James Financial Inc | 16,746 | $1.17M | 0.00% | −3,225−16.1% | Reduced |
| Vident Advisory, LLC | 16,746 | $1.17M | 0.01% | −2,211−11.7% | Reduced |
| Nebula Research & Development LLC | 16,839 | $1.17M | 0.10% | −2,928−14.8% | Reduced |
| Penbrook Management LLC | 16,895 | $1.18M | 0.89% | −2,745−14.0% | Reduced |
| Virginia Retirement Systems Et Al | 16,938 | $1.18M | 0.01% | +100+0.6% | Added |
| Algert Global LLC | 17,100 | $1.19M | 0.02% | +1,990+13.2% | Added |
| Intech Investment Management LLC | 17,116 | $1.19M | 0.01% | 00.0% | Unchanged |
| Abn Amro Investment Solutions | 17,390 | $1.21M | 0.02% | −67−0.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 17,672 | $1.23M | 0.00% | −1,724−8.9% | Reduced |
| Andra AP-fonden | 17,990 | $1.25M | 0.02% | −2,000−10.0% | Reduced |
| Wakefield Asset Management LLLP | 18,067 | $1.26M | 0.35% | +18,067 | New |
| Jefferies Financial Group Inc. | 18,089 | $1.26M | 0.02% | +18,089 | New |
| ARGA Investment Management, LP | 18,534 | $1.29M | 0.04% | +18,534 | New |
| State of Alaska, Department of Revenue | 19,097 | $1.33M | 0.01% | +1,085+6.0% | Added |
| Schonfeld Strategic Advisors LLC | 19,887 | $1.39M | 0.01% | −4,735−19.2% | Reduced |
| Stifel Financial Corp | 20,854 | $1.45M | 0.00% | +2,061+11.0% | Added |
| HRT Financial LP | 22,275 | $1.55M | 0.01% | −32,488−59.3% | Reduced |
| Deutsche Bank AG | 22,545 | $1.57M | 0.00% | −3,818−14.5% | Reduced |
| Voya Investment Management LLC | 23,176 | $1.62M | 0.00% | −4,208−15.4% | Reduced |
| Franklin Resources Inc | 23,281 | $1.62M | 0.00% | −345−1.5% | Reduced |
| Thrivent Financial for Lutherans | 23,626 | $1.65M | 0.00% | −3,747−13.7% | Reduced |
| Chase Investment Counsel Corp | 24,000 | $1.67M | 0.53% | 00.0% | Unchanged |
| Ruffer LLP | 24,731 | $1.72M | 0.08% | +24,731 | New |
| Brevan Howard Capital Management LP | 26,987 | $1.88M | 0.02% | +26,987 | New |
| ExodusPoint Capital Management, LP | 27,436 | $1.91M | 0.02% | −17,175−38.5% | Reduced |
| Fox Run Management, L.L.C. | 27,543 | $1.92M | 0.32% | +27,543 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 28,000 | $1.95M | 0.00% | +13,891+98.5% | Added |
| Bridges Investment Management Inc | 29,775 | $2.08M | 0.03% | +3,982+15.4% | Added |
| California State Teachers Retirement System | 30,130 | $2.10M | 0.00% | +358+1.2% | Added |
| Rice Hall James & Associates, LLC | 31,728 | $2.21M | 0.12% | −1,155−3.5% | Reduced |
| New Insight Wealth Advisors | 31,847 | $2.22M | 0.91% | 00.0% | Unchanged |
| Optimize Financial Inc | 32,021 | $2.23M | 1.37% | −230−0.7% | Reduced |
| Wells Fargo & Company | 32,827 | $2.29M | 0.00% | −2,666−7.5% | Reduced |
| Prudential Financial Inc | 33,415 | $2.33M | 0.00% | +1,595+5.0% | Added |
| Isthmus Partners, LLC | 34,168 | $2.38M | 0.28% | +2,547+8.1% | Added |
| RE Advisers Corp | 34,200 | $2.38M | 0.06% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 34,572 | $2.41M | 0.05% | +14,586+73.0% | Added |
| Jackson Square Partners, LLC | 35,049 | $2.44M | 0.90% | −175,295−83.3% | Reduced |
| Quantbot Technologies LP | 35,278 | $2.46M | 0.06% | −29,813−45.8% | Reduced |
| Great West Life Assurance Co | 35,550 | $2.48M | 0.00% | −1,484−4.0% | Reduced |
| Holocene Advisors, LP | 35,798 | $2.49M | 0.01% | −60,885−63.0% | Reduced |
| Two Sigma Investments, LP | 35,893 | $2.50M | 0.00% | −8,451−19.1% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 36,000 | $2.51M | 0.01% | +36,000 | New |
| Envestnet Asset Management Inc | 38,260 | $2.67M | 0.00% | +13,197+52.7% | Added |
| Janney Montgomery Scott LLC | 38,923 | $2.71M | 0.01% | +19,820+103.8% | Added |
| Susquehanna International Group, LLP | 40,996 | $2.86M | 0.00% | −24,361−37.3% | Reduced |
| Mizuho Markets Cayman LP | 42,420 | $2.96M | 0.21% | +42,420 | New |
| AQR Capital Management LLC | 43,303 | $3.02M | 0.00% | +7,586+21.2% | Added |
| Globeflex Capital L P | 43,512 | $3.03M | 0.25% | +24,959+134.5% | Added |
| Soviero Asset Management, LP | 48,000 | $3.35M | 2.45% | +48,000 | New |
| Private Advisor Group, LLC | 48,635 | $3.39M | 0.02% | −4,940−9.2% | Reduced |
| Verition Fund Management LLC | 50,227 | $3.50M | 0.02% | +15,211+43.4% | Added |
| LPL Financial LLC | 54,069 | $3.77M | 0.00% | −2,366−4.2% | Reduced |
| Winton Group Ltd | 54,317 | $3.79M | 0.19% | −47,044−46.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 54,521 | $3.80M | 0.00% | +21,000+62.6% | Added |
| QSM Asset Management Ltd | 60,416 | $4.22M | 3.89% | +60,416 | New |
| Swiss National Bank | 61,500 | $4.29M | 0.00% | −1,500−2.4% | Reduced |
| Norges Bank | 62,448 | $4.35M | 0.00% | −23,935−27.7% | Reduced |
| Jane Street Group, LLC | 65,504 | $4.56M | 0.01% | −55,868−46.0% | Reduced |
| Creative Planning | 67,212 | $4.68M | 0.00% | +19,767+41.7% | Added |
| Susquehanna Portfolio Strategies, LLC | 67,866 | $4.73M | 0.10% | +67,866 | New |
| First Trust Advisors LP | 70,034 | $4.88M | 0.00% | +62,734+859.4% | Added |
| Alliancebernstein L.P. | 71,588 | $4.99M | 0.00% | +10,068+16.4% | Added |
| First Eagle Investment Management, LLC | 73,000 | $5.09M | 0.01% | +73,000 | New |
| Nuveen, LLC | 74,209 | $5.17M | 0.00% | −15,327−17.1% | Reduced |
| D. E. Shaw & Co., Inc. | 78,253 | $5.45M | 0.01% | +71,943+1,140.1% | Added |
| Barclays PLC | 78,287 | $5.46M | 0.00% | +21,977+39.0% | Added |
| Trexquant Investment LP | 81,043 | $5.65M | 0.06% | +81,043 | New |
| Clark Capital Management Group, Inc. | 84,591 | $5.90M | 0.04% | +84,591 | New |
| Paradigm Capital Management Inc | 88,100 | $6.14M | 0.30% | −94,000−51.6% | Reduced |
| Legal & General Group Plc | 88,596 | $6.17M | 0.00% | −16,659−15.8% | Reduced |
| State of Wisconsin Investment Board | 90,573 | $6.31M | 0.02% | +12,106+15.4% | Added |
| Balyasny Asset Management LLC | 90,748 | $6.32M | 0.01% | +90,748 | New |
| Rhumbline Advisers | 94,758 | $6.60M | 0.01% | −1,889−2.0% | Reduced |
| Janus Henderson Group PLC | 97,205 | $6.77M | 0.00% | +34,952+56.1% | Added |
| Squarepoint Ops LLC | 100,023 | $6.97M | 0.02% | +27,021+37.0% | Added |
| Pacer Advisors, Inc. | 106,522 | $7.42M | 0.02% | −54,959−34.0% | Reduced |
| Millennium Management LLC | 107,395 | $7.48M | 0.01% | −76,600−41.6% | Reduced |
| Public Sector Pension Investment Board | 109,575 | $7.64M | 0.03% | +6,508+6.3% | Added |
| UBS Asset Management Americas Inc | 111,390 | $7.76M | 0.00% | +32,634+41.4% | Added |
| Ameriprise Financial Inc | 122,351 | $8.53M | 0.00% | +22,565+22.6% | Added |
| Kennedy Capital Management, Inc. | 133,206 | $9.28M | 0.22% | +3,325+2.6% | Added |
| Harbor Capital Advisors, Inc. | 135,583 | $9.45M | 0.40% | −4,999−3.6% | Reduced |
| Invesco Ltd. | 139,796 | $9.74M | 0.00% | +1,545+1.1% | Added |
| JPMorgan Chase & Co | 177,867 | $12.4M | 0.00% | +7,856+4.6% | Added |
| BNP Paribas Arbitrage, SA | 192,188 | $13.4M | 0.01% | +57,106+42.3% | Added |
| UBS Group AG | 198,017 | $13.8M | 0.00% | −74,121−27.2% | Reduced |