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, 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
- +51 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
- 16
- 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 | 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, 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 |
|---|---|---|---|---|---|
| Millrace Asset Group, Inc. | 63,747 | $4.75M | 2.77% | −23,871−27.2% | Reduced |
| Intrinsic Edge Capital Management LLC | 63,953 | $4.77M | 0.36% | +2,460+4.0% | Added |
| ClariVest Asset Management LLC | 64,062 | $4.78M | 0.15% | +64,062 | New |
| Employees Retirement System of Texas | 64,558 | $4.81M | 0.05% | 00.0% | Unchanged |
| GW&K Investment Management, LLC | 66,980 | $4.99M | 0.04% | −48,390−41.9% | Reduced |
| Public Sector Pension Investment Board | 67,844 | $5.06M | 0.03% | 00.0% | Unchanged |
| Prudential Financial Inc | 68,036 | $5.08M | 0.01% | +1,693+2.6% | Added |
| Los Angeles Capital Management LLC | 73,422 | $5.47M | 0.02% | +25,672+53.8% | Added |
| Swiss National Bank | 74,100 | $5.53M | 0.00% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 75,011 | $5.59M | 0.03% | −1,819−2.4% | Reduced |
| Rhumbline Advisers | 79,537 | $5.93M | 0.01% | −1,911−2.3% | Reduced |
| Legal & General Group Plc | 83,820 | $6.25M | 0.00% | +2,307+2.8% | Added |
| Cubist Systematic Strategies, LLC | 86,067 | $6.42M | 0.06% | +53,685+165.8% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 90,120 | $6.72M | 0.04% | −2,582−2.8% | Reduced |
| State of Wisconsin Investment Board | 91,800 | $6.84M | 0.01% | +13,300+16.9% | Added |
| Hillsdale Investment Management Inc. | 94,100 | $7.02M | 0.47% | +94,100 | New |
| Acadian Asset Management LLC | 100,206 | $7.47M | 0.03% | +18,745+23.0% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 101,817 | $7.59M | 0.03% | +101,817 | New |
| Nuveen Asset Management, LLC | 123,505 | $7.75M | 0.00% | −9,545−7.2% | Reduced |
| Two Sigma Advisers, LP | 118,400 | $8.83M | 0.02% | −66,200−35.9% | Reduced |
| S Squared Technology, LLC | 133,293 | $9.94M | 4.45% | −78,000−36.9% | Reduced |
| Paradigm Capital Management Inc | 134,000 | $9.99M | 0.45% | −10,000−6.9% | Reduced |
| Parametric Portfolio Associates LLC | 135,815 | $10.1M | 0.01% | +37,809+38.6% | Added |
| UBS Group AG | 136,147 | $10.2M | 0.00% | +15,011+12.4% | Added |
| Ameriprise Financial Inc | 140,003 | $10.4M | 0.00% | −1,048−0.7% | Reduced |
| Rice Hall James & Associates, LLC | 143,449 | $10.7M | 0.38% | +19,824+16.0% | Added |
| Kennedy Capital Management, Inc. | 146,906 | $11.0M | 0.23% | −2,660−1.8% | Reduced |
| Oberweis Asset Management Inc | 155,000 | $11.6M | 2.11% | +1,130+0.7% | Added |
| Russell Investments Group, Ltd. | 182,266 | $13.6M | 0.02% | −737,647−80.2% | Reduced |
| Royce & Associates LP | 186,392 | $13.9M | 0.10% | −491,373−72.5% | Reduced |
| Assenagon Asset Management S.A. | 186,741 | $13.9M | 0.05% | −155,514−45.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 195,262 | $14.6M | 0.02% | −152,704−43.9% | Reduced |
| Pier Capital, LLC | 200,906 | $15.0M | 1.58% | −58,552−22.6% | Reduced |
| Goldman Sachs Group Inc | 201,551 | $15.0M | 0.00% | −488,979−70.8% | Reduced |
| Principal Financial Group Inc | 227,444 | $17.0M | 0.01% | −8,518−3.6% | Reduced |
| Federated Hermes, Inc. | 229,158 | $17.1M | 0.03% | −120.0% | Reduced |
| Morgan Stanley | 236,282 | $17.6M | 0.00% | +34,890+17.3% | Added |
| Charles Schwab Investment Management Inc | 241,534 | $18.0M | 0.01% | −707−0.3% | Reduced |
| Norges Bank | 289,816 | $21.6M | 0.00% | +229,300+378.9% | Added |
| Bank of New York Mellon Corp | 330,682 | $24.7M | 0.00% | −7,723−2.3% | Reduced |
| Northern Trust Corp | 400,229 | $29.8M | 0.00% | −1,977−0.5% | Reduced |
| Manufacturers Life Insurance Company, The | 434,720 | $32.4M | 0.02% | −73,338−14.4% | Reduced |
| Millennium Management LLC | 534,103 | $39.8M | 0.04% | +228,256+74.6% | Added |
| Thrivent Financial for Lutherans | 572,037 | $42.7M | 0.08% | −290.0% | Reduced |
| Geode Capital Management, LLC | 582,150 | $43.4M | 0.01% | +12,724+2.2% | Added |
| Invesco Ltd. | 727,226 | $54.2M | 0.01% | +110,764+18.0% | Added |
| State Street Corp | 1,048,431 | $78.2M | 0.00% | −39,204−3.6% | Reduced |
| Senvest Management, LLC | 1,056,189 | $78.7M | 2.22% | −834,366−44.1% | Reduced |
| Wellington Management Group LLP | 1,230,413 | $91.7M | 0.01% | +12,151+1.0% | Added |
| Driehaus Capital Management LLC | 1,455,276 | $108.5M | 1.11% | +505,700+53.3% | Added |
| Dimensional Fund Advisors LP | 1,575,504 | $117.5M | 0.04% | −33,605−2.1% | Reduced |
| Primecap Management Co | 2,094,870 | $156.2M | 0.11% | −133,330−6.0% | Reduced |
| Vanguard Group Inc | 2,672,916 | $199.3M | 0.00% | +50,155+1.9% | Added |
| BlackRock Inc. | 5,011,615 | $373.7M | 0.01% | +48,022+1.0% | Added |
| First Trust Advisors LP | 0 | $0 | 0.00% | −46,433−100.0% | Sold out |
| Glaxis Capital Management, LLC | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Stephens Inc | 0 | $0 | 0.00% | −22,489−100.0% | Sold out |
| Quantinno Capital Management LP | 0 | $0 | 0.00% | −10,966−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −9,600−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −8,723−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −8,706−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −8,355−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −8,077−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −7,838−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −4,594−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −422−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −154−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Enterprise Financial Services Corp | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| First Mercantile Trust Co | – | – | – | – | Not filed |
| Berman Capital Advisors, LLC | – | – | – | – | Not filed |