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, Q3 2021
Institutional positions in Amtech Systems 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
- 52
- −4 vs. Q2 2021
- Shares held
- 6.79M
- +113.7K (+1.7%) vs. Q2 2021
- Total value
- $77.6M
- +$13.2M (+20.5%) vs. Q2 2021
- New holders
- 10
- 13 more added
- Sold out
- 14
- 18 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 1,098,983 | $12.6M | 0.00% | +5,814+0.5% | Added |
| Pacific Ridge Capital Partners, LLC | 963,709 | $11.0M | 2.03% | −57,567−5.6% | Reduced |
| Royce & Associates LP | 816,121 | $9.33M | 0.07% | +210,455+34.7% | Added |
| Vanguard Group Inc | 522,972 | $5.98M | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 456,221 | $5.21M | 0.20% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 291,285 | $3.33M | 0.03% | −240,835−45.3% | Reduced |
| AIGH Capital Management LLC | 273,100 | $3.12M | 0.88% | +273,100 | New |
| Heartland Advisors Inc | 250,000 | $2.85M | 0.17% | +250,000 | New |
| Essex Investment Management Co LLC | 222,997 | $2.55M | 0.31% | +24,752+12.5% | Added |
| BlackRock Inc. | 142,426 | $1.63M | 0.00% | −1,805−1.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 138,611 | $1.58M | 0.00% | 00.0% | Unchanged |
| Maven Securities LTD | 130,000 | $1.49M | 0.17% | +130,000 | New |
| EAM Investors, LLC | 117,582 | $1.34M | 0.23% | +117,582 | New |
| Acadian Asset Management LLC | 114,632 | $1.31M | 0.00% | −8,695−7.1% | Reduced |
| Geode Capital Management, LLC | 111,067 | $1.27M | 0.00% | +967+0.9% | Added |
| Bridgeway Capital Management, LLC | 97,900 | $1.12M | 0.02% | −26,400−21.2% | Reduced |
| Barings LLC | 88,808 | $1.01M | 0.02% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 85,165 | $974.0K | 0.03% | −53,968−38.8% | Reduced |
| Renaissance Technologies LLC | 82,993 | $949.0K | 0.00% | −139,703−62.7% | Reduced |
| ClariVest Asset Management LLC | 82,969 | $949.0K | 0.03% | −500−0.6% | Reduced |
| Oberweis Asset Management Inc | 67,500 | $772.0K | 0.16% | +67,500 | New |
| Worth Venture Partners, LLC | 62,646 | $716.0K | 0.32% | +62,646 | New |
| White Pine Capital LLC | 58,813 | $672.0K | 0.21% | +55+0.1% | Added |
| Diametric Capital, LP | 49,578 | $567.0K | 0.45% | +2,956+6.3% | Added |
| Two Sigma Advisers, LP | 46,900 | $536.0K | 0.00% | −37,900−44.7% | Reduced |
| WealthTrust Axiom LLC | 41,906 | $478.0K | 0.16% | −500−1.2% | Reduced |
| Two Sigma Investments, LP | 41,027 | $469.0K | 0.00% | −102,135−71.3% | Reduced |
| Susquehanna International Group, LLP | 38,824 | $444.0K | 0.00% | +16,421+73.3% | Added |
| Commonwealth Equity Services, LLC | 37,049 | $423.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 34,830 | $398.0K | 0.00% | +11,400+48.7% | Added |
| Ironwood Investment Management LLC | 30,155 | $345.0K | 0.18% | +28+0.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 30,059 | $344.0K | 0.00% | −5,872−16.3% | Reduced |
| Northern Trust Corp | 27,275 | $312.0K | 0.00% | −1,812−6.2% | Reduced |
| Citadel Advisors LLC | 19,460 | $222.0K | 0.00% | +19,460 | New |
| Winton Group Ltd | 18,885 | $216.0K | 0.01% | −3,035−13.8% | Reduced |
| Alpha Paradigm Partners, LLC | 17,641 | $202.0K | 0.08% | −2,148−10.9% | Reduced |
| Russell Investments Group, Ltd. | 16,500 | $188.0K | 0.00% | 00.0% | Unchanged |
| First Eagle Investment Management, LLC | 16,392 | $187.0K | 0.00% | +9,300+131.1% | Added |
| Bank of New York Mellon Corp | 16,180 | $185.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 10,082 | $115.0K | 0.00% | −1,582−13.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 4,587 | $52.0K | 0.00% | −136−2.9% | Reduced |
| Barclays PLC | 3,790 | $43.0K | 0.00% | +2,705+249.3% | Added |
| Morgan Stanley | 2,741 | $31.0K | 0.00% | +854+45.3% | Added |
| Group One Trading, L.P. | 2,204 | $25.0K | 0.00% | +2,204 | New |
| Earnest Partners LLC | 1,700 | $19.0K | 0.00% | 00.0% | Unchanged |
| Total Clarity Wealth Management, Inc. | 1,101 | $13.0K | 0.01% | +1,101 | New |
| Captrust Financial Advisors | 1,000 | $11.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 361 | $4.00K | 0.00% | +91+33.7% | Added |
| GPS Wealth Strategies Group, LLC | 160 | $2.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 200 | $2.00K | 0.00% | +200 | New |
| Wells Fargo & Company | 75 | $1.00K | 0.00% | −4−5.1% | Reduced |
| Advisor Group Holdings, Inc. | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −133,211−100.0% | Sold out |
| Ibex Investors LLC | 0 | $0 | 0.00% | −104,825−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −59,775−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −29,977−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −24,958−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −17,685−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −14,900−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −10,577−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −7,997−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −2,653−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −2,362−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,704−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −489−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −219−100.0% | Sold out |