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; 443 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 2025
Institutional positions in Axcelis Technologies Inc as of Sep 30, 2025. 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
- 362
- +37 vs. Q2 2025
- Shares held
- 30.4M
- −1.06M (−3.4%) vs. Q2 2025
- Total value
- $2.96B
- +$761.4M (+34.7%) vs. Q2 2025
- New holders
- 74
- 108 more added
- Sold out
- 37
- 120 more reduced
5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 | 443 | $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 2025
Shares, value and share of portfolio for each institution holding Axcelis Technologies Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 198 | $19.3K | 0.00% | +28+16.5% | Added |
| Aster Capital Management (DIFC) Ltd | 189 | $18.5K | 0.01% | +189 | New |
| Rakuten Securities, Inc. | 141 | $13.8K | 0.01% | 00.0% | Unchanged |
| Optimum Investment Advisors | 135 | $13.2K | 0.01% | +45+50.0% | Added |
| Optiver Holding B.V. | 125 | $12.2K | 0.00% | +57+83.8% | Added |
| Assetmark, Inc | 125 | $12.2K | 0.00% | +89+247.2% | Added |
| McIlrath & Eck, LLC | 99 | $9.67K | 0.00% | +67+209.4% | Added |
| Pension & Wealth Management Advisors, Inc. | 95 | $9.28K | 0.00% | −15−13.6% | Reduced |
| Truvestments Capital LLC | 95 | $9.28K | 0.00% | 00.0% | Unchanged |
| Fourth Dimension Wealth, LLC | 92 | $8.98K | 0.00% | 00.0% | Unchanged |
| Kozak & Associates, Inc. | 107 | $8.62K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 80 | $8.00K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 71 | $6.93K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 71 | $6.73K | 0.00% | +71 | New |
| Rothschild Investment LLC | 65 | $6.35K | 0.00% | −10−13.3% | Reduced |
| Huntington National Bank | 64 | $6.15K | 0.00% | 00.0% | Unchanged |
| Key Financial Inc | 60 | $5.69K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 52 | $5.08K | 0.00% | +52 | New |
| Asset Dedication, LLC | 52 | $5.07K | 0.00% | +52 | New |
| GPS Wealth Strategies Group, LLC | 50 | $4.88K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 44 | $4.30K | 0.00% | +25+131.6% | Added |
| Stone House Investment Management, LLC | 44 | $4.30K | 0.00% | +44 | New |
| Isthmus Partners, LLC | 42,016 | $4.10K | 0.00% | +7,848+23.0% | Added |
| Kilter Group LLC | 42 | $4.10K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 42 | $4.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 40 | $3.91K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 33 | $3.22K | 0.00% | −434−92.9% | Reduced |
| Vision Financial Markets LLC | 30 | $2.93K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 30 | $2.93K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 28 | $2.73K | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 25 | $2.44K | 0.00% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 25 | $2.44K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 25 | $2.44K | 0.00% | +3+13.6% | Added |
| CoreCap Advisors, LLC | 24 | $2.34K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 23 | $2.25K | 0.00% | 00.0% | Unchanged |
| Rise Advisors, LLC | 22 | $2.15K | 0.00% | 00.0% | Unchanged |
| Johnson Financial Group, Inc. | 21 | $2.05K | 0.00% | +21 | New |
| Ronald Blue Trust, Inc. | 20 | $1.95K | 0.00% | 00.0% | Unchanged |
| Retirement Wealth Solutions LLC | 19 | $1.86K | 0.00% | +19 | New |
| South State Corp. | 16 | $1.56K | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 16 | $1.56K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 15 | $1.33K | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 11 | $1.07K | 0.00% | −11−50.0% | Reduced |
| Capital Advisors, Ltd. LLC | 7 | $1.00K | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 11 | $1.00K | 0.00% | +10+1,000.0% | Added |
| Bruce G. Allen Investments, LLC | 10 | $976 | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 9 | $879 | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 8 | $782 | 0.00% | +8 | New |
| JFS Wealth Advisors, LLC | 6 | $586 | 0.00% | +4+200.0% | Added |
| Strategic Investment Solutions, Inc. | 6 | $586 | 0.00% | +6 | New |
| Breakwater Investment Management | 6 | $586 | 0.00% | +6 | New |
| Cornerstone Planning Group LLC | 7 | $573 | 0.00% | 00.0% | Unchanged |
| DecisionPoint Financial, LLC | 6 | $569 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 2 | $196 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 2 | $196 | 0.00% | +2 | New |
| HFM Investment Advisors, LLC | 2 | $195 | 0.00% | +1+100.0% | Added |
| TFC Financial Management | 1 | $98 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 1 | $98 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 1 | $98 | 0.00% | +1 | New |
| Bay Harbor Wealth Management, LLC | 1 | $97 | 0.00% | +1 | New |
| Cloud Capital Management, LLC | 1 | $0 | 0.00% | +1 | New |
| Colony Group, LLC | 4,206 | – | – | +4,206 | New |
| Trexquant Investment LP | 0 | $0 | 0.00% | −81,043−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −34,572−100.0% | Sold out |
| Optimize Financial Inc | 0 | $0 | 0.00% | −32,021−100.0% | Sold out |
| Rice Hall James & Associates, LLC | 0 | $0 | 0.00% | −31,728−100.0% | Sold out |
| Ruffer LLP | 0 | $0 | 0.00% | −24,731−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −18,089−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −16,839−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −12,268−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −10,899−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −10,490−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −6,914−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −6,256−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −5,610−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −5,550−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −4,159−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −3,666−100.0% | Sold out |
| Empirical Finance, LLC | 0 | $0 | 0.00% | −3,300−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −3,295−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −3,019−100.0% | Sold out |
| Hennessy Advisors Inc | 0 | $0 | 0.00% | −2,067−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −1,661−100.0% | Sold out |
| Glenmede Investment Management, LP | 0 | $0 | 0.00% | −947−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −785−100.0% | Sold out |
| Beacon Capital Management, LLC | 0 | $0 | 0.00% | −708−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −122−100.0% | Sold out |
| Maseco LLP | 0 | $0 | 0.00% | −97−100.0% | Sold out |
| Golden State Wealth Management, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Barrow Hanley Mewhinney & Strauss LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Mark Sheptoff Financial Planning, LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Atticus Wealth Management, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Aventura Private Wealth, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Kestra Investment Management, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |