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 $5.87B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q4 2021
Institutional positions in Axcelis Technologies Inc as of Dec 31, 2021. 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
- 254
- +52 vs. Q3 2021
- Shares held
- 27.6M
- −1.52M (−5.2%) vs. Q3 2021
- Total value
- $2.05B
- +$685.5M (+50.1%) vs. Q3 2021
- New holders
- 67
- 68 more added
- Sold out
- 15
- 80 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 | $5.87B |
| Q1 2026 | 380 | $3.03B |
| Q4 2025 | 373 | $2.52B |
| Q3 2025 | 362 | $2.98B |
| Q2 2025 | 330 | $2.22B |
| Q1 2025 | 307 | $1.54B |
| Q4 2024 | 325 | $2.16B |
| Q3 2024 | 369 | $3.19B |
| Q2 2024 | 392 | $4.38B |
| Q1 2024 | 384 | $3.57B |
| Q4 2023 | 421 | $3.95B |
| Q3 2023 | 421 | $4.85B |
| Q2 2023 | 406 | $5.41B |
| Q1 2023 | 379 | $4.00B |
| Q4 2022 | 328 | $2.32B |
| Q3 2022 | 287 | $1.72B |
| Q2 2022 | 277 | $1.52B |
| Q1 2022 | 290 | $2.05B |
| Q4 2021 | 254 | $2.06B |
| Q3 2021 | 204 | $1.37B |
| Q2 2021 | 188 | $1.17B |
| Q1 2021 | 192 | $1.20B |
Institutions, Q4 2021
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,011,615 | $373.7M | 0.01% | +48,022+1.0% | Added |
| Vanguard Group Inc | 2,672,916 | $199.3M | 0.00% | +50,155+1.9% | Added |
| Primecap Management Co | 2,094,870 | $156.2M | 0.11% | −133,330−6.0% | Reduced |
| Dimensional Fund Advisors LP | 1,575,504 | $117.5M | 0.04% | −33,605−2.1% | Reduced |
| Driehaus Capital Management LLC | 1,455,276 | $108.5M | 1.11% | +505,700+53.3% | Added |
| Wellington Management Group LLP | 1,230,413 | $91.7M | 0.01% | +12,151+1.0% | Added |
| Senvest Management, LLC | 1,056,189 | $78.7M | 2.22% | −834,366−44.1% | Reduced |
| State Street Corp | 1,048,431 | $78.2M | 0.00% | −39,204−3.6% | Reduced |
| Invesco Ltd. | 727,226 | $54.2M | 0.01% | +110,764+18.0% | Added |
| Geode Capital Management, LLC | 582,150 | $43.4M | 0.01% | +12,724+2.2% | Added |
| Thrivent Financial for Lutherans | 572,037 | $42.7M | 0.08% | −290.0% | Reduced |
| Millennium Management LLC | 534,103 | $39.8M | 0.04% | +228,256+74.6% | Added |
| Manufacturers Life Insurance Company, The | 434,720 | $32.4M | 0.02% | −73,338−14.4% | Reduced |
| Northern Trust Corp | 400,229 | $29.8M | 0.00% | −1,977−0.5% | Reduced |
| Bank of New York Mellon Corp | 330,682 | $24.7M | 0.00% | −7,723−2.3% | Reduced |
| Norges Bank | 289,816 | $21.6M | 0.00% | +229,300+378.9% | Added |
| Charles Schwab Investment Management Inc | 241,534 | $18.0M | 0.01% | −707−0.3% | Reduced |
| Morgan Stanley | 236,282 | $17.6M | 0.00% | +34,890+17.3% | Added |
| Federated Hermes, Inc. | 229,158 | $17.1M | 0.03% | −120.0% | Reduced |
| Principal Financial Group Inc | 227,444 | $17.0M | 0.01% | −8,518−3.6% | Reduced |
| Goldman Sachs Group Inc | 201,551 | $15.0M | 0.00% | −488,979−70.8% | Reduced |
| Pier Capital, LLC | 200,906 | $15.0M | 1.58% | −58,552−22.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 195,262 | $14.6M | 0.02% | −152,704−43.9% | Reduced |
| Assenagon Asset Management S.A. | 186,741 | $13.9M | 0.05% | −155,514−45.4% | Reduced |
| Royce & Associates LP | 186,392 | $13.9M | 0.10% | −491,373−72.5% | Reduced |
| Russell Investments Group, Ltd. | 182,266 | $13.6M | 0.02% | −737,647−80.2% | Reduced |
| Oberweis Asset Management Inc | 155,000 | $11.6M | 2.11% | +1,130+0.7% | Added |
| Kennedy Capital Management, Inc. | 146,906 | $11.0M | 0.23% | −2,660−1.8% | Reduced |
| Rice Hall James & Associates, LLC | 143,449 | $10.7M | 0.38% | +19,824+16.0% | Added |
| Ameriprise Financial Inc | 140,003 | $10.4M | 0.00% | −1,048−0.7% | Reduced |
| UBS Group AG | 136,147 | $10.2M | 0.00% | +15,011+12.4% | Added |
| Parametric Portfolio Associates LLC | 135,815 | $10.1M | 0.01% | +37,809+38.6% | Added |
| Paradigm Capital Management Inc | 134,000 | $9.99M | 0.45% | −10,000−6.9% | Reduced |
| S Squared Technology, LLC | 133,293 | $9.94M | 4.45% | −78,000−36.9% | Reduced |
| Two Sigma Advisers, LP | 118,400 | $8.83M | 0.02% | −66,200−35.9% | Reduced |
| Nuveen Asset Management, LLC | 123,505 | $7.75M | 0.00% | −9,545−7.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 101,817 | $7.59M | 0.03% | +101,817 | New |
| Acadian Asset Management LLC | 100,206 | $7.47M | 0.03% | +18,745+23.0% | Added |
| Hillsdale Investment Management Inc. | 94,100 | $7.02M | 0.47% | +94,100 | New |
| State of Wisconsin Investment Board | 91,800 | $6.84M | 0.01% | +13,300+16.9% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 90,120 | $6.72M | 0.04% | −2,582−2.8% | Reduced |
| Cubist Systematic Strategies, LLC | 86,067 | $6.42M | 0.06% | +53,685+165.8% | Added |
| Legal & General Group Plc | 83,820 | $6.25M | 0.00% | +2,307+2.8% | Added |
| Rhumbline Advisers | 79,537 | $5.93M | 0.01% | −1,911−2.3% | Reduced |
| Panagora Asset Management Inc | 75,011 | $5.59M | 0.03% | −1,819−2.4% | Reduced |
| Swiss National Bank | 74,100 | $5.53M | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 73,422 | $5.47M | 0.02% | +25,672+53.8% | Added |
| Prudential Financial Inc | 68,036 | $5.08M | 0.01% | +1,693+2.6% | Added |
| Public Sector Pension Investment Board | 67,844 | $5.06M | 0.03% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 66,980 | $4.99M | 0.04% | −48,390−41.9% | Reduced |
| Employees Retirement System of Texas | 64,558 | $4.81M | 0.05% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 64,062 | $4.78M | 0.15% | +64,062 | New |
| Intrinsic Edge Capital Management LLC | 63,953 | $4.77M | 0.36% | +2,460+4.0% | Added |
| Millrace Asset Group, Inc. | 63,747 | $4.75M | 2.77% | −23,871−27.2% | Reduced |
| Penbrook Management LLC | 62,300 | $4.64M | 2.80% | −1,500−2.4% | Reduced |
| EAM Investors, LLC | 60,970 | $4.55M | 0.75% | +28,395+87.2% | Added |
| Bank of America Corp | 58,422 | $4.36M | 0.00% | +16,866+40.6% | Added |
| Wells Fargo & Company | 58,033 | $4.33M | 0.00% | +998+1.7% | Added |
| Barclays PLC | 56,841 | $4.24M | 0.00% | +15,510+37.5% | Added |
| AXA S.A. | 56,800 | $4.24M | 0.01% | +56,800 | New |
| Monarch Partners Asset Management LLC | 54,711 | $4.08M | 0.83% | +4,630+9.2% | Added |
| State Board of Administration of Florida Retirement System | 50,263 | $3.75M | 0.01% | −1,365−2.6% | Reduced |
| Jane Street Group, LLC | 47,683 | $3.56M | 0.01% | +35,423+288.9% | Added |
| California State Teachers Retirement System | 46,612 | $3.48M | 0.00% | +914+2.0% | Added |
| Alliancebernstein L.P. | 46,080 | $3.44M | 0.00% | +1,645+3.7% | Added |
| EAM Global Investors LLC | 46,025 | $3.43M | 0.61% | 00.0% | Unchanged |
| Globeflex Capital L P | 45,999 | $3.43M | 0.70% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 44,895 | $3.35M | 0.01% | +44,895 | New |
| JPMorgan Chase & Co | 44,832 | $3.34M | 0.00% | −39,264−46.7% | Reduced |
| Putnam Investments LLC | 42,890 | $3.20M | 0.00% | +42,890 | New |
| SEI Investments Co | 42,701 | $3.18M | 0.01% | +24,037+128.8% | Added |
| Canada Pension Plan Investment Board | 42,100 | $3.14M | 0.00% | +24,100+133.9% | Added |
| AQR Capital Management LLC | 40,519 | $3.02M | 0.01% | +1,759+4.5% | Added |
| LPL Financial LLC | 40,095 | $2.99M | 0.00% | +17,549+77.8% | Added |
| Teachers Retirement System of the State of Kentucky | 39,411 | $2.94M | 0.03% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 36,722 | $2.74M | 0.00% | −1,446−3.8% | Reduced |
| Trexquant Investment LP | 36,170 | $2.70M | 0.17% | +36,170 | New |
| Walthausen & Co., LLC | 35,014 | $2.61M | 0.69% | −17,600−33.5% | Reduced |
| Voya Investment Management LLC | 34,152 | $2.55M | 0.00% | −391−1.1% | Reduced |
| Citadel Advisors LLC | 33,991 | $2.53M | 0.00% | −150.0% | Reduced |
| Two Sigma Investments, LP | 33,845 | $2.52M | 0.01% | −53,799−61.4% | Reduced |
| Friess Associates LLC | 33,248 | $2.48M | 0.97% | +33,248 | New |
| Victory Capital Management Inc | 32,919 | $2.46M | 0.00% | −365−1.1% | Reduced |
| CSM Advisors, LLC | 32,330 | $2.41M | 0.16% | 00.0% | Unchanged |
| Citigroup Inc | 31,818 | $2.37M | 0.00% | +9,519+42.7% | Added |
| Yousif Capital Management, LLC | 30,847 | $2.30M | 0.02% | +30,847 | New |
| Allspring Global Investments Holdings, LLC | 29,413 | $2.19M | 0.00% | +29,413 | New |
| CFM Wealth Partners LLC | 28,187 | $2.16M | 0.48% | +28,187 | New |
| Great West Life Assurance Co | 28,716 | $2.14M | 0.00% | −34−0.1% | Reduced |
| Aviva PLC | 27,539 | $2.05M | 0.01% | +27,539 | New |
| Susquehanna International Group, LLP | 26,682 | $1.99M | 0.00% | +26,682 | New |
| PDT Partners, LLC | 26,500 | $1.98M | 0.15% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 25,965 | $1.94M | 0.24% | +18,678+256.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,177 | $1.88M | 0.02% | −280−1.1% | Reduced |
| Clark Capital Management Group, Inc. | 24,999 | $1.86M | 0.02% | +24,999 | New |
| Morse Asset Management, Inc | 24,900 | $1.86M | 0.41% | +24,900 | New |
| Schroder Investment Management Group | 24,370 | $1.82M | 0.00% | −73,851−75.2% | Reduced |
| SG Americas Securities, LLC | 24,304 | $1.81M | 0.01% | −3,299−12.0% | Reduced |
| Juncture Wealth Strategies, LLC | 24,245 | $1.81M | 0.86% | +391+1.6% | Added |
| Texas Permanent School Fund | 24,122 | $1.80M | 0.02% | −715−2.9% | Reduced |