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, 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
- 205
- +17 vs. Q2 2021
- Shares held
- 29.1M
- +235.6K (+0.8%) vs. Q2 2021
- Total value
- $1.37B
- +$201.9M (+17.3%) 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 | 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, 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 |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 1,609,109 | $75.7M | 0.02% | +6,176+0.4% | Added |
| Senvest Management, LLC | 1,890,555 | $88.9M | 2.54% | +143,034+8.2% | Added |
| Primecap Management Co | 2,228,200 | $104.8M | 0.07% | −66,430−2.9% | Reduced |
| Vanguard Group Inc | 2,622,761 | $123.3M | 0.00% | +29,665+1.1% | Added |
| BlackRock Inc. | 4,963,593 | $233.4M | 0.01% | −164,854−3.2% | Reduced |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −128,301−100.0% | Sold out |
| DCM Advisors, LLC | 0 | $0 | 0.00% | −28,780−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −24,196−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −20,547−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −15,312−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −14,013−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −12,502−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −11,943−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −11,299−100.0% | Sold out |
| Morse Asset Management, Inc | 0 | $0 | 0.00% | −9,600−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −8,927−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −6,500−100.0% | Sold out |
| Tatro Capital, LLC | 0 | $0 | 0.00% | −6,141−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −5,694−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,509−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −1,409−100.0% | Sold out |
| Hudock, Inc. | 0 | $0 | 0.00% | −106−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |