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, Q4 2022
Institutional positions in Amtech Systems Inc as of Dec 31, 2022. 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
- 49
- +7 vs. Q3 2022
- Shares held
- 6.61M
- −97.4K (−1.5%) vs. Q3 2022
- Total value
- $50.2M
- −$6.78M (−11.9%) vs. Q3 2022
- New holders
- 12
- 14 more added
- Sold out
- 5
- 12 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royce & Associates LP | 1,391,770 | $10.6M | 0.11% | +50,800+3.8% | Added |
| Dimensional Fund Advisors LP | 1,148,114 | $8.73M | 0.00% | +13,001+1.1% | Added |
| Pacific Ridge Capital Partners, LLC | 773,935 | $5.88M | 1.39% | −11,925−1.5% | Reduced |
| Vanguard Group Inc | 498,176 | $3.79M | 0.00% | +26,796+5.7% | Added |
| Seldon Capital LP | 428,301 | $3.26M | 2.81% | −113,667−21.0% | Reduced |
| Heartland Advisors Inc | 307,000 | $2.33M | 0.15% | +7,000+2.3% | Added |
| First Eagle Investment Management, LLC | 296,807 | $2.26M | 0.01% | +100,890+51.5% | Added |
| Essex Investment Management Co LLC | 266,661 | $2.03M | 0.32% | −2,344−0.9% | Reduced |
| BlackRock Inc. | 139,073 | $1.06M | 0.00% | +158+0.1% | Added |
| Brandywine Global Investment Management, LLC | 124,838 | $948.8K | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 121,698 | $925.0K | 0.00% | +46,441+61.7% | Added |
| Oberweis Asset Management Inc | 113,900 | $865.6K | 0.18% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 104,495 | $794.0K | 0.00% | +161+0.2% | Added |
| Legato Capital Management LLC | 100,454 | $763.5K | 0.15% | +100,454 | New |
| Bridgeway Capital Management, LLC | 86,800 | $659.7K | 0.02% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 76,656 | $583.0K | 0.00% | 00.0% | Unchanged |
| Ancora Advisors, LLC | 72,282 | $550.0K | 0.02% | +18,219+33.7% | Added |
| ClariVest Asset Management LLC | 69,400 | $528.0K | 0.03% | −1,100−1.6% | Reduced |
| Renaissance Technologies LLC | 67,596 | $514.0K | 0.00% | +20,800+44.4% | Added |
| Acadian Asset Management LLC | 41,461 | $314.0K | 0.00% | 00.0% | Unchanged |
| WealthTrust Axiom LLC | 40,653 | $309.0K | 0.11% | 00.0% | Unchanged |
| State Street Corp | 36,990 | $281.1K | 0.00% | −400−1.1% | Reduced |
| Commonwealth Equity Services, LLC | 37,000 | $281.0K | 0.00% | 00.0% | Unchanged |
| B. Riley Asset Management, LLC | 36,600 | $278.2K | 0.12% | −237,628−86.7% | Reduced |
| Susquehanna International Group, LLP | 34,585 | $262.8K | 0.00% | +34,585 | New |
| Ironwood Investment Management LLC | 28,887 | $219.5K | 0.14% | −2,496−8.0% | Reduced |
| Citadel Advisors LLC | 27,517 | $209.1K | 0.00% | +7,794+39.5% | Added |
| Two Sigma Advisers, LP | 26,900 | $204.4K | 0.00% | −4,600−14.6% | Reduced |
| Northern Trust Corp | 24,093 | $183.1K | 0.00% | −63−0.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 19,936 | $151.5K | 0.00% | +1,922+10.7% | Added |
| Virtu Financial LLC | 12,778 | $97.0K | 0.01% | +12,778 | New |
| O'Shaughnessy Asset Management, LLC | 12,497 | $95.0K | 0.00% | +12,497 | New |
| Two Sigma Investments, LP | 11,200 | $85.1K | 0.00% | −600−5.1% | Reduced |
| UBS Group AG | 10,211 | $77.6K | 0.00% | +211+2.1% | Added |
| Royal Bank of Canada | 8,600 | $65.0K | 0.00% | +8,600 | New |
| GWM Advisors LLC | 4,880 | $34.9K | 0.00% | +4,880 | New |
| James Investment Research Inc | 2,500 | $19.0K | 0.00% | +2,500 | New |
| Earnest Partners LLC | 1,700 | $12.9K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,450 | $11.0K | 0.00% | +1,450 | New |
| Tower Research Capital LLC (TRC) | 836 | $6.00K | 0.00% | −793−48.7% | Reduced |
| First Horizon Advisors, Inc. | 700 | $5.32K | 0.00% | 00.0% | Unchanged |
| Strengthening Families & Communities, LLC | 490 | $4.00K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 544 | $4.00K | 0.00% | +544 | New |
| Advisor Group Holdings, Inc. | 114 | $1.00K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 114 | $867 | 0.00% | −4,634−97.6% | Reduced |
| Wells Fargo & Company | 74 | $562 | 0.00% | +2+2.8% | Added |
| Belpointe Asset Management LLC | 41 | $312 | 0.00% | +41 | New |
| Sofos Investments, Inc. | 8 | $150 | 0.00% | +8 | New |
| Bank of America Corp | 12 | $91 | 0.00% | +12 | New |
| EAM Investors, LLC | 0 | $0 | 0.00% | −126,902−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −30,651−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −19,566−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −12,352−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −184−100.0% | Sold out |
| Kokino LLC | – | – | – | – | Not filed |