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, Q3 2021
Institutional positions in Axcelis Technologies Inc as of Sep 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
- 204
- +17 vs. Q2 2021
- Shares held
- 29.1M
- +167.5K (+0.6%) vs. Q2 2021
- Total value
- $1.37B
- +$199.1M (+17.0%) vs. Q2 2021
- New holders
- 36
- 52 more added
- Sold out
- 19
- 80 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 4,963,593 | $233.4M | 0.01% | −164,854−3.2% | Reduced |
| Vanguard Group Inc | 2,622,761 | $123.3M | 0.00% | +29,665+1.1% | Added |
| Primecap Management Co | 2,228,200 | $104.8M | 0.07% | −66,430−2.9% | Reduced |
| Senvest Management, LLC | 1,890,555 | $88.9M | 2.54% | +143,034+8.2% | Added |
| Dimensional Fund Advisors LP | 1,609,109 | $75.7M | 0.02% | +6,176+0.4% | Added |
| Wellington Management Group LLP | 1,218,262 | $57.3M | 0.01% | −31,175−2.5% | Reduced |
| State Street Corp | 1,087,635 | $51.2M | 0.00% | +3820.0% | Added |
| Driehaus Capital Management LLC | 949,576 | $44.7M | 0.53% | +246,044+35.0% | Added |
| Russell Investments Group, Ltd. | 919,913 | $43.3M | 0.07% | −102,908−10.1% | Reduced |
| Goldman Sachs Group Inc | 690,530 | $32.5M | 0.01% | +22,424+3.4% | Added |
| Royce & Associates LP | 677,765 | $31.9M | 0.24% | −271,550−28.6% | Reduced |
| Invesco Ltd. | 616,462 | $29.0M | 0.01% | +446,961+263.7% | Added |
| Thrivent Financial for Lutherans | 572,066 | $26.9M | 0.05% | −12,400−2.1% | Reduced |
| Geode Capital Management, LLC | 569,426 | $26.8M | 0.00% | +4,031+0.7% | Added |
| Manufacturers Life Insurance Company, The | 508,058 | $23.9M | 0.02% | −82,254−13.9% | Reduced |
| Northern Trust Corp | 402,206 | $18.9M | 0.00% | −14,999−3.6% | Reduced |
| Arrowstreet Capital, Limited Partnership | 347,966 | $16.4M | 0.02% | −33,826−8.9% | Reduced |
| Assenagon Asset Management S.A. | 342,255 | $16.1M | 0.07% | +108,347+46.3% | Added |
| Bank of New York Mellon Corp | 338,405 | $15.9M | 0.00% | +4,305+1.3% | Added |
| Millennium Management LLC | 305,847 | $14.4M | 0.02% | +124,346+68.5% | Added |
| Pier Capital, LLC | 259,458 | $12.2M | 1.26% | +1,174+0.5% | Added |
| Charles Schwab Investment Management Inc | 242,241 | $11.4M | 0.00% | −10,108−4.0% | Reduced |
| Principal Financial Group Inc | 235,962 | $11.1M | 0.01% | −1,864−0.8% | Reduced |
| Federated Hermes, Inc. | 229,170 | $10.8M | 0.02% | +9,469+4.3% | Added |
| S Squared Technology, LLC | 211,293 | $9.94M | 4.50% | 00.0% | Unchanged |
| Morgan Stanley | 201,392 | $9.47M | 0.00% | −84,039−29.4% | Reduced |
| Two Sigma Advisers, LP | 184,600 | $8.68M | 0.02% | +48,800+35.9% | Added |
| Oberweis Asset Management Inc | 153,870 | $7.24M | 1.50% | +25,790+20.1% | Added |
| Kennedy Capital Management, Inc. | 149,566 | $7.03M | 0.16% | −12,945−8.0% | Reduced |
| Paradigm Capital Management Inc | 144,000 | $6.77M | 0.35% | −20,000−12.2% | Reduced |
| Ameriprise Financial Inc | 141,051 | $6.63M | 0.00% | −5,609−3.8% | Reduced |
| Nuveen Asset Management, LLC | 133,050 | $6.50M | 0.00% | −6,115−4.4% | Reduced |
| Rice Hall James & Associates, LLC | 123,625 | $5.81M | 0.21% | −20,123−14.0% | Reduced |
| UBS Group AG | 121,136 | $5.70M | 0.00% | −7,989−6.2% | Reduced |
| GW&K Investment Management, LLC | 115,370 | $5.43M | 0.05% | +605+0.5% | Added |
| Schroder Investment Management Group | 98,221 | $4.62M | 0.01% | +91,902+1,454.4% | Added |
| Parametric Portfolio Associates LLC | 98,006 | $4.61M | 0.00% | +1,727+1.8% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 92,702 | $4.36M | 0.03% | +16,848+22.2% | Added |
| Two Sigma Investments, LP | 87,644 | $4.12M | 0.01% | +40,139+84.5% | Added |
| Millrace Asset Group, Inc. | 87,618 | $4.12M | 2.57% | +1,262+1.5% | Added |
| JPMorgan Chase & Co | 84,096 | $3.96M | 0.00% | −16,245−16.2% | Reduced |
| Legal & General Group Plc | 81,513 | $3.83M | 0.00% | +6,702+9.0% | Added |
| Rhumbline Advisers | 81,448 | $3.83M | 0.01% | −13,160−13.9% | Reduced |
| Acadian Asset Management LLC | 81,461 | $3.83M | 0.01% | −1,177−1.4% | Reduced |
| State of Wisconsin Investment Board | 78,500 | $3.69M | 0.01% | +8,200+11.7% | Added |
| Panagora Asset Management Inc | 76,830 | $3.61M | 0.02% | −710−0.9% | Reduced |
| Swiss National Bank | 74,100 | $3.48M | 0.00% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 67,844 | $3.19M | 0.02% | −820−1.2% | Reduced |
| Prudential Financial Inc | 66,343 | $3.12M | 0.00% | −17,570−20.9% | Reduced |
| Employees Retirement System of Texas | 64,558 | $3.04M | 0.04% | +12,000+22.8% | Added |
| Penbrook Management LLC | 63,800 | $3.00M | 1.86% | −750−1.2% | Reduced |
| Boston Partners | 62,289 | $2.93M | 0.00% | −18,451−22.9% | Reduced |
| Intrinsic Edge Capital Management LLC | 61,493 | $2.89M | 0.20% | +61,493 | New |
| Norges Bank | 60,516 | $2.85M | 0.00% | −7,020−10.4% | Reduced |
| Wells Fargo & Company | 57,035 | $2.68M | 0.00% | +3,250+6.0% | Added |
| Renaissance Technologies LLC | 56,699 | $2.67M | 0.00% | −81,400−58.9% | Reduced |
| Walthausen & Co., LLC | 52,614 | $2.47M | 0.63% | −79,596−60.2% | Reduced |
| State Board of Administration of Florida Retirement System | 51,628 | $2.43M | 0.00% | −3,254−5.9% | Reduced |
| Monarch Partners Asset Management LLC | 50,081 | $2.35M | 0.34% | −92,577−64.9% | Reduced |
| Los Angeles Capital Management LLC | 47,750 | $2.25M | 0.01% | +23,410+96.2% | Added |
| First Trust Advisors LP | 46,433 | $2.18M | 0.00% | −19,827−29.9% | Reduced |
| EAM Global Investors LLC | 46,025 | $2.17M | 0.51% | +46,025 | New |
| Globeflex Capital L P | 45,999 | $2.16M | 0.47% | −25,133−35.3% | Reduced |
| California State Teachers Retirement System | 45,698 | $2.15M | 0.00% | −178−0.4% | Reduced |
| Alliancebernstein L.P. | 44,435 | $2.09M | 0.00% | −1,630−3.5% | Reduced |
| Bank of America Corp | 41,556 | $1.95M | 0.00% | +1,130+2.8% | Added |
| Algert Global LLC | 41,541 | $1.95M | 0.26% | +9,501+29.7% | Added |
| Barclays PLC | 41,331 | $1.94M | 0.00% | +10,089+32.3% | Added |
| Teachers Retirement System of the State of Kentucky | 39,411 | $1.85M | 0.02% | 00.0% | Unchanged |
| AQR Capital Management LLC | 38,760 | $1.82M | 0.00% | −13,378−25.7% | Reduced |
| UBS Asset Management Americas Inc | 38,168 | $1.80M | 0.00% | +7,230+23.4% | Added |
| Ensign Peak Advisors, Inc | 36,700 | $1.73M | 0.00% | 00.0% | Unchanged |
| AlphaCrest Capital Management LLC | 35,119 | $1.65M | 0.09% | +8,700+32.9% | Added |
| BNP Paribas Arbitrage, SA | 34,669 | $1.63M | 0.00% | +22,803+192.2% | Added |
| Voya Investment Management LLC | 34,543 | $1.62M | 0.00% | +773+2.3% | Added |
| Citadel Advisors LLC | 34,006 | $1.60M | 0.00% | −58,838−63.4% | Reduced |
| Victory Capital Management Inc | 33,284 | $1.57M | 0.00% | −9,667−22.5% | Reduced |
| EAM Investors, LLC | 32,575 | $1.53M | 0.26% | +32,575 | New |
| Cubist Systematic Strategies, LLC | 32,382 | $1.52M | 0.02% | +20,103+163.7% | Added |
| CSM Advisors, LLC | 32,330 | $1.52M | 0.11% | −400−1.2% | Reduced |
| Comerica Bank | 30,467 | $1.50M | 0.01% | −1,017−3.2% | Reduced |
| Glaxis Capital Management, LLC | 30,000 | $1.41M | 3.00% | +30,000 | New |
| Alpha DNA Investment Management LLC | 29,523 | $1.39M | 0.97% | +29,523 | New |
| Great West Life Assurance Co | 28,750 | $1.36M | 0.00% | 00.0% | Unchanged |
| Winton Group Ltd | 27,894 | $1.31M | 0.07% | −1,237−4.2% | Reduced |
| SG Americas Securities, LLC | 27,603 | $1.30M | 0.01% | +27,603 | New |
| PDT Partners, LLC | 26,500 | $1.25M | 0.09% | +26,500 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 25,457 | $1.20M | 0.01% | −328−1.3% | Reduced |
| Credit Suisse AG | 25,417 | $1.20M | 0.00% | −2,590−9.2% | Reduced |
| Texas Permanent School Fund | 24,837 | $1.17M | 0.01% | −203−0.8% | Reduced |
| State of Alaska, Department of Revenue | 24,438 | $1.15M | 0.01% | +1,195+5.1% | Added |
| New York State Common Retirement Fund | 24,058 | $1.13M | 0.00% | −4,194−14.8% | Reduced |
| Juncture Wealth Strategies, LLC | 23,854 | $1.12M | 0.59% | +1,584+7.1% | Added |
| LPL Financial LLC | 22,546 | $1.06M | 0.00% | +9,407+71.6% | Added |
| Stephens Inc | 22,489 | $1.06M | 0.02% | +22,489 | New |
| Citigroup Inc | 22,299 | $1.05M | 0.00% | −7,311−24.7% | Reduced |
| American International Group, Inc. | 20,925 | $984.0K | 0.01% | −731−3.4% | Reduced |
| Deutsche Bank AG | 20,646 | $971.0K | 0.00% | −30,656−59.8% | Reduced |
| Virginia Retirement Systems Et Al | 20,200 | $950.0K | 0.01% | −500−2.4% | Reduced |
| Franklin Resources Inc | 19,104 | $899.0K | 0.00% | +19,104 | New |