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, Q1 2025
Institutional positions in Axcelis Technologies Inc as of Mar 31, 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
- 307
- −16 vs. Q4 2024
- Shares held
- 31.1M
- +363.6K (+1.2%) vs. Q4 2024
- Total value
- $1.54B
- −$607.5M (−28.3%) vs. Q4 2024
- New holders
- 50
- 125 more added
- Sold out
- 66
- 86 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | 18,488 | $918.3K | 0.00% | −133,747−87.9% | Reduced |
| Globeflex Capital L P | 18,553 | $921.5K | 0.09% | +1,707+10.1% | Added |
| Stifel Financial Corp | 18,793 | $933.4K | 0.00% | −21,127−52.9% | Reduced |
| Gsa Capital Partners LLP | 18,809 | $934.0K | 0.08% | −15,115−44.6% | Reduced |
| Vident Advisory, LLC | 18,957 | $941.6K | 0.01% | −16,453−46.5% | Reduced |
| Janney Montgomery Scott LLC | 19,103 | $949.0K | 0.00% | +3,110+19.4% | Added |
| MetLife Investment Management | 19,155 | $951.4K | 0.01% | −730−3.7% | Reduced |
| Victory Capital Management Inc | 19,163 | $951.8K | 0.00% | +1,634+9.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 19,396 | $963.4K | 0.00% | +849+4.6% | Added |
| Penbrook Management LLC | 19,640 | $975.5K | 0.74% | +75+0.4% | Added |
| Nebula Research & Development LLC | 19,767 | $981.8K | 0.09% | +11,755+146.7% | Added |
| Raymond James Financial Inc | 19,971 | $992.0K | 0.00% | +14,283+251.1% | Added |
| Aquatic Capital Management LLC | 19,986 | $992.7K | 0.03% | +7,039+54.4% | Added |
| Andra AP-fonden | 19,990 | $992.9K | 0.02% | +19,990 | New |
| Citadel Advisors LLC | 22,093 | $1.10M | 0.00% | −109,471−83.2% | Reduced |
| Franklin Resources Inc | 23,626 | $1.17M | 0.00% | +360+1.5% | Added |
| Chase Investment Counsel Corp | 24,000 | $1.19M | 0.44% | +9,000+60.0% | Added |
| Schonfeld Strategic Advisors LLC | 24,622 | $1.22M | 0.01% | +10,798+78.1% | Added |
| Envestnet Asset Management Inc | 25,063 | $1.24M | 0.00% | +3,561+16.6% | Added |
| Bridges Investment Management Inc | 25,793 | $1.28M | 0.02% | +14,589+130.2% | Added |
| Deutsche Bank AG | 26,363 | $1.31M | 0.00% | −2,124−7.5% | Reduced |
| Voya Investment Management LLC | 27,384 | $1.36M | 0.00% | +6,610+31.8% | Added |
| California State Teachers Retirement System | 29,772 | $1.48M | 0.00% | −735−2.4% | Reduced |
| Thrivent Financial for Lutherans | 27,373 | $1.48M | 0.00% | −1,250−4.4% | Reduced |
| Isthmus Partners, LLC | 31,621 | $1.57M | 0.20% | +3,330+11.8% | Added |
| Prudential Financial Inc | 31,820 | $1.58M | 0.00% | −11,070−25.8% | Reduced |
| New Insight Wealth Advisors | 31,847 | $1.58M | 0.72% | +31,847 | New |
| Optimize Financial Inc | 32,251 | $1.60M | 0.60% | +32,251 | New |
| Rice Hall James & Associates, LLC | 32,883 | $1.63M | 0.10% | +10.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 33,521 | $1.66M | 0.00% | 00.0% | Unchanged |
| RE Advisers Corp | 34,200 | $1.70M | 0.04% | +4,600+15.5% | Added |
| Verition Fund Management LLC | 35,016 | $1.74M | 0.01% | −8,699−19.9% | Reduced |
| Wells Fargo & Company | 35,493 | $1.76M | 0.00% | +5,424+18.0% | Added |
| AQR Capital Management LLC | 35,717 | $1.77M | 0.00% | +1,678+4.9% | Added |
| Colony Group, LLC | 36,430 | $1.81M | 0.00% | +22,027+152.9% | Added |
| Great West Life Assurance Co | 37,034 | $1.84M | 0.00% | −714−1.9% | Reduced |
| Jump Financial, LLC | 37,192 | $1.85M | 0.03% | −7,268−16.3% | Reduced |
| Two Sigma Investments, LP | 44,344 | $2.20M | 0.00% | +24,709+125.8% | Added |
| ExodusPoint Capital Management, LP | 44,611 | $2.22M | 0.03% | +44,611 | New |
| Creative Planning | 47,445 | $2.36M | 0.00% | +11,945+33.6% | Added |
| FMR LLC | 49,607 | $2.46M | 0.00% | +27,548+124.9% | Added |
| Private Advisor Group, LLC | 53,575 | $2.66M | 0.02% | +47,510+783.3% | Added |
| HRT Financial LP | 54,763 | $2.72M | 0.02% | +54,763 | New |
| Barclays PLC | 56,310 | $2.80M | 0.00% | −17,161−23.4% | Reduced |
| LPL Financial LLC | 56,435 | $2.80M | 0.00% | −4,399−7.2% | Reduced |
| Engineers Gate Manager LP | 58,784 | $2.92M | 0.05% | −67,387−53.4% | Reduced |
| Numerai GP LLC | 60,755 | $3.02M | 0.57% | +36,990+155.6% | Added |
| Caxton Associates LLP | 60,941 | $3.03M | 0.11% | +60,941 | New |
| Alliancebernstein L.P. | 61,520 | $3.06M | 0.00% | −4,622−7.0% | Reduced |
| Janus Henderson Group PLC | 62,253 | $3.09M | 0.00% | −28,255−31.2% | Reduced |
| Swiss National Bank | 63,000 | $3.13M | 0.00% | −1,100−1.7% | Reduced |
| Quantbot Technologies LP | 65,091 | $3.23M | 0.10% | +27,341+72.4% | Added |
| Susquehanna International Group, LLP | 65,357 | $3.25M | 0.01% | −8,698−11.7% | Reduced |
| Squarepoint Ops LLC | 73,002 | $3.63M | 0.01% | +73,002 | New |
| State of Wisconsin Investment Board | 78,467 | $3.90M | 0.01% | +24,717+46.0% | Added |
| UBS Asset Management Americas Inc | 78,756 | $3.91M | 0.00% | +836+1.1% | Added |
| Norges Bank | 86,383 | $4.29M | 0.00% | −429,574−83.3% | Reduced |
| Renaissance Technologies LLC | 89,499 | $4.45M | 0.01% | −122,500−57.8% | Reduced |
| Nuveen, LLC | 89,536 | $4.45M | 0.00% | +89,536 | New |
| Walleye Capital LLC | 94,169 | $4.68M | 0.05% | +92,739+6,485.2% | Added |
| Rhumbline Advisers | 96,647 | $4.80M | 0.00% | +5,805+6.4% | Added |
| Holocene Advisors, LP | 96,683 | $4.80M | 0.01% | +12,398+14.7% | Added |
| Ameriprise Financial Inc | 99,786 | $4.96M | 0.00% | −2,184−2.1% | Reduced |
| Winton Group Ltd | 101,361 | $5.03M | 0.31% | +86,513+582.7% | Added |
| Public Sector Pension Investment Board | 103,067 | $5.12M | 0.02% | +22,040+27.2% | Added |
| Legal & General Group Plc | 105,255 | $5.23M | 0.00% | −2,446−2.3% | Reduced |
| Royal Bank of Canada | 117,566 | $5.84M | 0.00% | +4,324+3.8% | Added |
| Mizuho Markets Americas LLC | 119,376 | $5.93M | 0.13% | +119,376 | New |
| Jane Street Group, LLC | 121,372 | $6.03M | 0.01% | −116,985−49.1% | Reduced |
| Kennedy Capital Management, Inc. | 129,881 | $6.45M | 0.15% | +76,000+141.1% | Added |
| BNP Paribas Arbitrage, SA | 135,082 | $6.71M | 0.01% | +18,792+16.2% | Added |
| M&G Plc | 136,914 | $6.85M | 0.03% | +9,315+7.3% | Added |
| Invesco Ltd. | 138,251 | $6.87M | 0.00% | +7,129+5.4% | Added |
| Harbor Capital Advisors, Inc. | 140,582 | $6.98M | 0.32% | +52,757+60.1% | Added |
| SEI Investments Co | 158,182 | $7.86M | 0.01% | +13,015+9.0% | Added |
| Citigroup Inc | 159,623 | $7.93M | 0.01% | +41,436+35.1% | Added |
| Pacer Advisors, Inc. | 161,481 | $8.02M | 0.02% | −620,674−79.4% | Reduced |
| JPMorgan Chase & Co | 170,011 | $8.44M | 0.00% | −19,557−10.3% | Reduced |
| Paradigm Capital Management Inc | 182,100 | $9.04M | 0.50% | +28,200+18.3% | Added |
| Millennium Management LLC | 183,995 | $9.14M | 0.01% | −106,275−36.6% | Reduced |
| Principal Financial Group Inc | 194,038 | $9.64M | 0.01% | +5,479+2.9% | Added |
| Federated Hermes, Inc. | 194,192 | $9.65M | 0.02% | +12,931+7.1% | Added |
| Jackson Square Partners, LLC | 210,344 | $10.4M | 1.41% | +23,754+12.7% | Added |
| Bank of New York Mellon Corp | 212,534 | $10.6M | 0.00% | −13,830−6.1% | Reduced |
| UBS Group AG | 272,138 | $13.5M | 0.00% | +23,748+9.6% | Added |
| Royce & Associates LP | 280,983 | $14.0M | 0.15% | −52,443−15.7% | Reduced |
| Boston Partners | 333,039 | $16.3M | 0.02% | +2,966+0.9% | Added |
| Charles Schwab Investment Management Inc | 386,007 | $19.2M | 0.00% | +16,071+4.3% | Added |
| Northern Trust Corp | 401,931 | $20.0M | 0.00% | +9,853+2.5% | Added |
| BlackBarn Capital Partners LP | 480,441 | $23.9M | 8.15% | +424,444+758.0% | Added |
| Voloridge Investment Management, LLC | 481,300 | $23.9M | 0.09% | +258,637+116.2% | Added |
| Amundi | 551,047 | $24.7M | 0.01% | +61,796+12.6% | Added |
| Morgan Stanley | 507,380 | $25.2M | 0.00% | +11,897+2.4% | Added |
| Price T Rowe Associates Inc | 526,422 | $26.1M | 0.00% | +2,053+0.4% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 579,387 | $28.8M | 0.09% | −184,682−24.2% | Reduced |
| Goldman Sachs Group Inc | 635,393 | $31.6M | 0.01% | +44,275+7.5% | Added |
| Dimensional Fund Advisors LP | 701,275 | $34.8M | 0.01% | −23,310−3.2% | Reduced |
| Boston Trust Walden Corp | 826,332 | $41.0M | 0.30% | +6,216+0.8% | Added |
| Primecap Management Co | 835,066 | $41.5M | 0.03% | −81,360−8.9% | Reduced |
| Bank of America Corp | 919,403 | $45.7M | 0.00% | +634,119+222.3% | Added |