Amtech Systems Inc
ASYS- Exchange
- Nasdaq
- Industry
- Special Industry Machinery, NEC
- SEC CIK
- 0000720500
In the last 90 days, Amtech Systems Inc insiders filed 2 open-market purchases and 0 sales; 112 institutions reported holding it in 13F filings for Q2 2026, worth $261.1M in total; no superinvestor holds it.
13F holders, Q2 2021
Institutional positions in Amtech Systems 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
- 56
- −8 vs. Q1 2021
- Shares held
- 6.76M
- −317.8K (−4.5%) vs. Q1 2021
- Total value
- $65.2M
- −$18.5M (−22.0%) vs. Q1 2021
- New holders
- 9
- 21 more added
- Sold out
- 17
- 21 more reduced
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASYS 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 | 112 | $261.1M |
| Q1 2026 | 79 | $87.4M |
| Q4 2025 | 65 | $77.2M |
| Q3 2025 | 54 | $42.1M |
| Q2 2025 | 36 | $18.3M |
| Q1 2025 | 37 | $23.2M |
| Q4 2024 | 35 | $30.2M |
| Q3 2024 | 34 | $35.4M |
| Q2 2024 | 34 | $36.4M |
| Q1 2024 | 41 | $33.9M |
| Q4 2023 | 45 | $25.9M |
| Q3 2023 | 42 | $51.2M |
| Q2 2023 | 44 | $63.2M |
| Q1 2023 | 44 | $66.7M |
| Q4 2022 | 49 | $50.2M |
| Q3 2022 | 43 | $76.1M |
| Q2 2022 | 40 | $65.7M |
| Q1 2022 | 46 | $94.6M |
| Q4 2021 | 50 | $96.5M |
| Q3 2021 | 52 | $77.6M |
| Q2 2021 | 56 | $65.2M |
| Q1 2021 | 64 | $83.7M |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 1,093,169 | $10.5M | 0.00% | +29,935+2.8% | Added |
| Pacific Ridge Capital Partners, LLC | 1,021,276 | $9.85M | 1.78% | +83,094+8.9% | Added |
| Royce & Associates LP | 605,666 | $5.84M | 0.04% | +78,000+14.8% | Added |
| Brandywine Global Investment Management, LLC | 532,120 | $5.13M | 0.04% | −43,377−7.5% | Reduced |
| Vanguard Group Inc | 522,972 | $5.04M | 0.00% | −16,957−3.1% | Reduced |
| Boothbay Fund Management, LLC | 456,221 | $4.40M | 0.17% | +456,221 | New |
| Renaissance Technologies LLC | 222,696 | $2.15M | 0.00% | +77,600+53.5% | Added |
| Essex Investment Management Co LLC | 198,245 | $1.91M | 0.22% | +51,041+34.7% | Added |
| Barings LLC | 177,616 | $1.71M | 0.02% | +88,808+100.0% | Added |
| BlackRock Inc. | 144,231 | $1.39M | 0.00% | −22,133−13.3% | Reduced |
| Two Sigma Investments, LP | 143,162 | $1.38M | 0.00% | −4,057−2.8% | Reduced |
| Ancora Advisors, LLC | 139,133 | $1.34M | 0.04% | −7,960−5.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 138,611 | $1.34M | 0.00% | +27,988+25.3% | Added |
| Hillsdale Investment Management Inc. | 133,211 | $1.28M | 0.10% | +96,800+265.9% | Added |
| Bridgeway Capital Management, LLC | 124,300 | $1.20M | 0.02% | −10,500−7.8% | Reduced |
| Acadian Asset Management LLC | 123,327 | $1.19M | 0.00% | +2,389+2.0% | Added |
| Geode Capital Management, LLC | 110,100 | $1.06M | 0.00% | +11,724+11.9% | Added |
| Ibex Investors LLC | 104,825 | $1.01M | 0.61% | −1,071−1.0% | Reduced |
| Two Sigma Advisers, LP | 84,800 | $817.0K | 0.00% | +38,400+82.8% | Added |
| ClariVest Asset Management LLC | 83,469 | $805.0K | 0.03% | +669+0.8% | Added |
| White Pine Capital LLC | 58,758 | $609.0K | 0.18% | −1,693−2.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 59,775 | $576.0K | 0.00% | −476−0.8% | Reduced |
| Diametric Capital, LP | 46,622 | $449.0K | 0.32% | +46,622 | New |
| WealthTrust Axiom LLC | 42,406 | $408.0K | 0.13% | −4,975−10.5% | Reduced |
| Commonwealth Equity Services, LLC | 37,049 | $357.0K | 0.00% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 35,931 | $346.0K | 0.00% | +8,385+30.4% | Added |
| Ironwood Investment Management LLC | 30,127 | $290.0K | 0.15% | −722−2.3% | Reduced |
| Prelude Capital Management, LLC | 29,977 | $289.0K | 0.02% | −1,811−5.7% | Reduced |
| Northern Trust Corp | 29,087 | $281.0K | 0.00% | −2,033−6.5% | Reduced |
| D. E. Shaw & Co., Inc. | 24,958 | $241.0K | 0.00% | +24,958 | New |
| State Street Corp | 23,430 | $226.0K | 0.00% | +23,430 | New |
| Susquehanna International Group, LLP | 22,403 | $216.0K | 0.00% | −71,103−76.0% | Reduced |
| Winton Group Ltd | 21,920 | $211.0K | 0.01% | −869−3.8% | Reduced |
| Alpha Paradigm Partners, LLC | 19,789 | $191.0K | 0.07% | +12,735+180.5% | Added |
| Millennium Management LLC | 17,685 | $170.0K | 0.00% | −28,574−61.8% | Reduced |
| Russell Investments Group, Ltd. | 16,500 | $159.0K | 0.00% | −251,267−93.8% | Reduced |
| Bank of New York Mellon Corp | 16,180 | $156.0K | 0.00% | −1,262−7.2% | Reduced |
| Jump Financial, LLC | 14,900 | $144.0K | 0.01% | +14,900 | New |
| UBS Group AG | 11,664 | $112.0K | 0.00% | +1,664+16.6% | Added |
| Goldman Sachs Group Inc | 10,577 | $102.0K | 0.00% | +10,577 | New |
| PEAK6 Investments LLC | 7,997 | $77.0K | 0.00% | +7,997 | New |
| First Eagle Investment Management, LLC | 7,092 | $68.0K | 0.00% | +7,092 | New |
| O'Shaughnessy Asset Management, LLC | 4,723 | $46.0K | 0.00% | −871−15.6% | Reduced |
| State of Wyoming | 2,653 | $26.0K | 0.02% | +2,653 | New |
| JPMorgan Chase & Co | 2,362 | $23.0K | 0.00% | +946+66.8% | Added |
| Morgan Stanley | 1,887 | $18.0K | 0.00% | +447+31.0% | Added |
| Earnest Partners LLC | 1,700 | $16.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,704 | $16.0K | 0.00% | +717+72.6% | Added |
| Captrust Financial Advisors | 1,000 | $10.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 1,085 | $10.0K | 0.00% | +1,070+7,133.3% | Added |
| Cutler Group LP | 489 | $4.00K | 0.00% | +189+63.0% | Added |
| Bank of America Corp | 270 | $3.00K | 0.00% | +36+15.4% | Added |
| Royal Bank of Canada | 219 | $2.00K | 0.00% | −69−24.0% | Reduced |
| GPS Wealth Strategies Group, LLC | 160 | $2.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 79 | $1.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3 | $0 | 0.00% | −170−98.3% | Reduced |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −358,149−100.0% | Sold out |
| Cannell Capital LLC | 0 | $0 | 0.00% | −257,172−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −142,121−100.0% | Sold out |
| Roubaix Capital, LLC | 0 | $0 | 0.00% | −98,885−100.0% | Sold out |
| Boston Partners | 0 | $0 | 0.00% | −53,916−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −28,420−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −23,267−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −21,913−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −20,421−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −18,464−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −12,141−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −10,240−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −5,656−100.0% | Sold out |
| Total Clarity Wealth Management, Inc. | 0 | $0 | 0.00% | −1,101−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −669−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Navigation Wealth Management, Inc. | 0 | $0 | 0.00% | −100−100.0% | Sold out |