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, Q2 2021
Institutional positions in Axcelis Technologies Inc as of Jun 30, 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
- 188
- −4 vs. Q1 2021
- Shares held
- 28.9M
- −247.0K (−0.8%) vs. Q1 2021
- Total value
- $1.17B
- −$29.4M (−2.5%) vs. Q1 2021
- New holders
- 22
- 54 more added
- Sold out
- 26
- 78 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,128,447 | $207.3M | 0.01% | −140,142−2.7% | Reduced |
| Vanguard Group Inc | 2,593,096 | $104.8M | 0.00% | +84,664+3.4% | Added |
| Primecap Management Co | 2,294,630 | $92.7M | 0.06% | −40,170−1.7% | Reduced |
| Senvest Management, LLC | 1,747,521 | $70.6M | 2.11% | +766,242+78.1% | Added |
| Dimensional Fund Advisors LP | 1,602,933 | $64.8M | 0.02% | −37,285−2.3% | Reduced |
| Wellington Management Group LLP | 1,249,437 | $50.5M | 0.01% | −218,761−14.9% | Reduced |
| State Street Corp | 1,087,253 | $43.9M | 0.00% | +60,211+5.9% | Added |
| Russell Investments Group, Ltd. | 1,022,821 | $41.3M | 0.07% | −144,815−12.4% | Reduced |
| Royce & Associates LP | 949,315 | $38.4M | 0.26% | −58,161−5.8% | Reduced |
| Driehaus Capital Management LLC | 703,532 | $28.4M | 0.38% | −51,921−6.9% | Reduced |
| Goldman Sachs Group Inc | 668,106 | $27.0M | 0.01% | +89,816+15.5% | Added |
| Manufacturers Life Insurance Company, The | 590,312 | $23.9M | 0.02% | +63,426+12.0% | Added |
| Thrivent Financial for Lutherans | 584,466 | $23.6M | 0.05% | +24,389+4.4% | Added |
| Geode Capital Management, LLC | 565,395 | $22.9M | 0.00% | +17,382+3.2% | Added |
| Northern Trust Corp | 417,205 | $16.9M | 0.00% | −9,443−2.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 381,792 | $15.4M | 0.02% | −8,300−2.1% | Reduced |
| Bank of New York Mellon Corp | 334,100 | $13.5M | 0.00% | −27,824−7.7% | Reduced |
| Morgan Stanley | 285,431 | $11.5M | 0.00% | +115,899+68.4% | Added |
| Pier Capital, LLC | 258,284 | $10.4M | 1.05% | −55,700−17.7% | Reduced |
| Charles Schwab Investment Management Inc | 252,349 | $10.2M | 0.00% | +3,021+1.2% | Added |
| Principal Financial Group Inc | 237,826 | $9.61M | 0.01% | −865−0.4% | Reduced |
| Assenagon Asset Management S.A. | 233,908 | $9.46M | 0.04% | +142,167+155.0% | Added |
| Federated Hermes, Inc. | 219,701 | $8.88M | 0.02% | +420.0% | Added |
| S Squared Technology, LLC | 211,293 | $8.54M | 3.86% | −10,000−4.5% | Reduced |
| Millennium Management LLC | 181,501 | $7.34M | 0.01% | −48,279−21.0% | Reduced |
| Invesco Ltd. | 169,501 | $6.85M | 0.00% | +3,710+2.2% | Added |
| Paradigm Capital Management Inc | 164,000 | $6.63M | 0.32% | +60,000+57.7% | Added |
| Kennedy Capital Management, Inc. | 162,511 | $6.57M | 0.14% | −31,240−16.1% | Reduced |
| Ameriprise Financial Inc | 146,660 | $5.93M | 0.00% | −3,982−2.6% | Reduced |
| Rice Hall James & Associates, LLC | 143,748 | $5.81M | 0.21% | −79,510−35.6% | Reduced |
| Monarch Partners Asset Management LLC | 142,658 | $5.77M | 0.83% | −112,205−44.0% | Reduced |
| Nuveen Asset Management, LLC | 139,165 | $5.63M | 0.00% | −8,226−5.6% | Reduced |
| Renaissance Technologies LLC | 138,099 | $5.58M | 0.01% | −57,600−29.4% | Reduced |
| Two Sigma Advisers, LP | 135,800 | $5.49M | 0.01% | −51,900−27.7% | Reduced |
| Walthausen & Co., LLC | 132,210 | $5.39M | 0.58% | +64,080+94.1% | Added |
| UBS Group AG | 129,125 | $5.22M | 0.00% | −5,002−3.7% | Reduced |
| Lisanti Capital Growth, LLC | 128,301 | $5.19M | 0.64% | +128,301 | New |
| Oberweis Asset Management Inc | 128,080 | $5.18M | 1.13% | +55,700+77.0% | Added |
| GW&K Investment Management, LLC | 114,765 | $4.64M | 0.04% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 100,341 | $4.06M | 0.00% | −35,488−26.1% | Reduced |
| Parametric Portfolio Associates LLC | 96,279 | $3.89M | 0.00% | +15,119+18.6% | Added |
| Rhumbline Advisers | 94,608 | $3.82M | 0.01% | −4,519−4.6% | Reduced |
| Citadel Advisors LLC | 92,844 | $3.75M | 0.00% | +30,083+47.9% | Added |
| Millrace Asset Group, Inc. | 86,356 | $3.49M | 1.82% | +21,199+32.5% | Added |
| Prudential Financial Inc | 83,913 | $3.39M | 0.00% | −19,138−18.6% | Reduced |
| Acadian Asset Management LLC | 82,638 | $3.34M | 0.01% | −13,752−14.3% | Reduced |
| Boston Partners | 80,740 | $3.26M | 0.00% | −48,127−37.3% | Reduced |
| Panagora Asset Management Inc | 77,540 | $3.13M | 0.02% | +1,799+2.4% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 75,854 | $3.07M | 0.02% | +3,876+5.4% | Added |
| Legal & General Group Plc | 74,811 | $3.02M | 0.00% | −22,440−23.1% | Reduced |
| Swiss National Bank | 74,100 | $3.00M | 0.00% | −2,500−3.3% | Reduced |
| Globeflex Capital L P | 71,132 | $2.88M | 0.52% | +9,146+14.8% | Added |
| State of Wisconsin Investment Board | 70,300 | $2.84M | 0.01% | −7,700−9.9% | Reduced |
| Public Sector Pension Investment Board | 68,664 | $2.77M | 0.02% | −400−0.6% | Reduced |
| Norges Bank | 67,536 | $2.73M | 0.00% | 00.0% | Unchanged |
| First Trust Advisors LP | 66,260 | $2.68M | 0.00% | −4,135−5.9% | Reduced |
| Penbrook Management LLC | 64,550 | $2.61M | 1.56% | −1,250−1.9% | Reduced |
| State Board of Administration of Florida Retirement System | 54,882 | $2.22M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 53,785 | $2.17M | 0.00% | −36,347−40.3% | Reduced |
| Employees Retirement System of Texas | 52,558 | $2.12M | 0.03% | 00.0% | Unchanged |
| AQR Capital Management LLC | 52,138 | $2.11M | 0.00% | −24,007−31.5% | Reduced |
| Deutsche Bank AG | 51,302 | $2.07M | 0.00% | +27,775+118.1% | Added |
| Two Sigma Investments, LP | 47,505 | $1.92M | 0.01% | +47,505 | New |
| Alliancebernstein L.P. | 46,065 | $1.86M | 0.00% | +4,280+10.2% | Added |
| California State Teachers Retirement System | 45,876 | $1.85M | 0.00% | −4,320−8.6% | Reduced |
| Victory Capital Management Inc | 42,951 | $1.74M | 0.00% | −9,014−17.3% | Reduced |
| Bank of America Corp | 40,426 | $1.63M | 0.00% | −30,295−42.8% | Reduced |
| Teachers Retirement System of the State of Kentucky | 39,411 | $1.59M | 0.01% | −11,203−22.1% | Reduced |
| Ensign Peak Advisors, Inc | 36,700 | $1.48M | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 33,770 | $1.36M | 0.00% | −1,685−4.8% | Reduced |
| Comerica Bank | 31,484 | $1.34M | 0.01% | −2,593−7.6% | Reduced |
| CSM Advisors, LLC | 32,730 | $1.32M | 0.09% | −5,650−14.7% | Reduced |
| Algert Global LLC | 32,040 | $1.29M | 0.44% | +3,270+11.4% | Added |
| Barclays PLC | 31,242 | $1.26M | 0.00% | −19,046−37.9% | Reduced |
| UBS Asset Management Americas Inc | 30,938 | $1.25M | 0.00% | +5,615+22.2% | Added |
| Citigroup Inc | 29,610 | $1.20M | 0.00% | +15,618+111.6% | Added |
| Winton Group Ltd | 29,131 | $1.18M | 0.06% | +615+2.2% | Added |
| DCM Advisors, LLC | 28,780 | $1.16M | 0.66% | +740+2.6% | Added |
| Great West Life Assurance Co | 28,750 | $1.16M | 0.00% | −548−1.9% | Reduced |
| New York State Common Retirement Fund | 28,252 | $1.14M | 0.00% | −3,623−11.4% | Reduced |
| Credit Suisse AG | 28,007 | $1.13M | 0.00% | −10,271−26.8% | Reduced |
| AlphaCrest Capital Management LLC | 26,419 | $1.07M | 0.05% | +17,619+200.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,785 | $1.04M | 0.01% | −229−0.9% | Reduced |
| Texas Permanent School Fund | 25,040 | $1.01M | 0.01% | −161−0.6% | Reduced |
| Los Angeles Capital Management LLC | 24,340 | $984.0K | 0.00% | −52,310−68.2% | Reduced |
| Juncture Wealth Strategies, LLC | 22,270 | $981.0K | 0.56% | +3,922+21.4% | Added |
| Jennison Associates LLC | 24,196 | $978.0K | 0.00% | −893−3.6% | Reduced |
| State of Alaska, Department of Revenue | 23,243 | $939.0K | 0.01% | +450+2.0% | Added |
| American International Group, Inc. | 21,656 | $875.0K | 0.00% | −543−2.4% | Reduced |
| Virginia Retirement Systems Et Al | 20,700 | $837.0K | 0.01% | −5,500−21.0% | Reduced |
| State of Tennessee, Treasury Department | 20,680 | $836.0K | 0.00% | −7,876−27.6% | Reduced |
| Susquehanna International Group, LLP | 20,547 | $831.0K | 0.00% | −33,180−61.8% | Reduced |
| SEI Investments Co | 18,664 | $754.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 18,090 | $732.0K | 0.00% | +3,464+23.7% | Added |
| Amalgamated Bank | 17,865 | $722.0K | 0.01% | +12,997+267.0% | Added |
| ExodusPoint Capital Management, LP | 15,312 | $619.0K | 0.01% | +15,312 | New |
| Louisiana State Employees Retirement System | 15,200 | $614.0K | 0.01% | −100−0.7% | Reduced |
| Qube Research & Technologies Ltd | 14,145 | $572.0K | 0.01% | +6,625+88.1% | Added |
| Boothbay Fund Management, LLC | 14,013 | $566.0K | 0.02% | +4,548+48.1% | Added |
| MetLife Investment Management | 13,934 | $563.2K | 0.00% | 00.0% | Unchanged |