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, Q1 2023
Institutional positions in Amtech Systems Inc as of Mar 31, 2023. 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
- 44
- −5 vs. Q4 2022
- Shares held
- 6.55M
- −64.0K (−1.0%) vs. Q4 2022
- Total value
- $62.5M
- +$12.2M (+24.3%) vs. Q4 2022
- New holders
- 3
- 20 more added
- Sold out
- 8
- 10 more reduced
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royce & Associates LP | 1,415,937 | $13.5M | 0.14% | +24,167+1.7% | Added |
| Dimensional Fund Advisors LP | 1,156,382 | $11.0M | 0.00% | +8,268+0.7% | Added |
| Pacific Ridge Capital Partners, LLC | 768,156 | $7.33M | 1.80% | −5,779−0.7% | Reduced |
| Vanguard Group Inc | 658,292 | $6.28M | 0.00% | +160,116+32.1% | Added |
| First Eagle Investment Management, LLC | 338,211 | $3.23M | 0.01% | +41,404+13.9% | Added |
| Seldon Capital LP | 318,648 | $3.04M | 3.04% | −109,653−25.6% | Reduced |
| Essex Investment Management Co LLC | 311,818 | $2.97M | 0.43% | +45,157+16.9% | Added |
| Kennedy Capital Management, Inc. | 213,210 | $2.03M | 0.06% | +213,210 | New |
| BlackRock Inc. | 138,811 | $1.32M | 0.00% | −262−0.2% | Reduced |
| Brandywine Global Investment Management, LLC | 124,838 | $1.19M | 0.01% | 00.0% | Unchanged |
| Oberweis Asset Management Inc | 118,900 | $1.13M | 0.18% | +5,000+4.4% | Added |
| Geode Capital Management, LLC | 108,479 | $1.03M | 0.00% | +3,984+3.8% | Added |
| Legato Capital Management LLC | 100,454 | $958.3K | 0.17% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 75,547 | $721.0K | 0.00% | +7,951+11.8% | Added |
| Ancora Advisors, LLC | 72,282 | $689.6K | 0.02% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 69,600 | $664.0K | 0.02% | −17,200−19.8% | Reduced |
| ClariVest Asset Management LLC | 69,547 | $663.0K | 0.03% | +147+0.2% | Added |
| Acadian Asset Management LLC | 53,800 | $512.0K | 0.00% | +12,339+29.8% | Added |
| Millennium Management LLC | 46,618 | $445.0K | 0.00% | −75,080−61.7% | Reduced |
| WealthTrust Axiom LLC | 45,456 | $433.6K | 0.15% | +4,803+11.8% | Added |
| Citadel Advisors LLC | 44,885 | $428.2K | 0.00% | +17,368+63.1% | Added |
| State Street Corp | 39,590 | $377.7K | 0.00% | +2,600+7.0% | Added |
| Susquehanna International Group, LLP | 36,939 | $352.4K | 0.00% | +2,354+6.8% | Added |
| Commonwealth Equity Services, LLC | 37,000 | $352.0K | 0.00% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 30,418 | $290.2K | 0.18% | +1,531+5.3% | Added |
| Two Sigma Advisers, LP | 26,300 | $250.9K | 0.00% | −600−2.2% | Reduced |
| O'Shaughnessy Asset Management, LLC | 23,190 | $221.2K | 0.00% | +10,693+85.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 23,115 | $220.5K | 0.00% | +3,179+15.9% | Added |
| Northern Trust Corp | 21,978 | $209.7K | 0.00% | −2,115−8.8% | Reduced |
| White Pine Capital LLC | 15,269 | $145.7K | 0.06% | +15,269 | New |
| Ritholtz Wealth Management | 11,532 | $110.0K | 0.01% | +11,532 | New |
| Two Sigma Investments, LP | 10,100 | $96.4K | 0.00% | −1,100−9.8% | Reduced |
| Royal Bank of Canada | 8,600 | $82.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,947 | $48.0K | 0.00% | +4,111+491.7% | Added |
| James Investment Research Inc | 2,500 | $24.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 2,003 | $19.1K | 0.00% | −8,208−80.4% | Reduced |
| Earnest Partners LLC | 1,700 | $16.2K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 700 | $6.68K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 592 | $5.65K | 0.00% | +478+419.3% | Added |
| Strengthening Families & Communities, LLC | 490 | $5.00K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 283 | $2.70K | 0.00% | −4,597−94.2% | Reduced |
| Advisor Group Holdings, Inc. | 114 | $1.09K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 76 | $725 | 0.00% | +2+2.7% | Added |
| Belpointe Asset Management LLC | 41 | $391 | 0.00% | 00.0% | Unchanged |
| Heartland Advisors Inc | 0 | $0 | 0.00% | −307,000−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −76,656−100.0% | Sold out |
| B. Riley Asset Management, LLC | 0 | $0 | 0.00% | −36,600−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,778−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,450−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −544−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −12−100.0% | Sold out |