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 $241.5M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Amtech Systems Inc as of Mar 31, 2026. 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
- 79
- +15 vs. Q4 2025
- Shares held
- 7.47M
- +1.96M (+35.4%) vs. Q4 2025
- Total value
- $87.4M
- +$18.1M (+26.2%) vs. Q4 2025
- New holders
- 23
- 28 more added
- Sold out
- 8
- 21 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 | $241.5M |
| Q1 2026 | 79 | $87.4M |
| Q4 2025 | 65 | $77.2M |
| Q3 2025 | 54 | $42.1M |
| Q2 2025 | 36 | $18.2M |
| 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 | $62.5M |
| Q4 2022 | 49 | $50.2M |
| Q3 2022 | 43 | $76.1M |
| Q2 2022 | 40 | $65.7M |
| Q1 2022 | 46 | $94.6M |
| Q4 2021 | 50 | $95.3M |
| Q3 2021 | 52 | $77.6M |
| Q2 2021 | 56 | $64.4M |
| Q1 2021 | 64 | $83.7M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| SBI Securities Co., Ltd. | 30 | $350 | 0.00% | −100−76.9% | Reduced |
| Royal Bank of Canada | 191 | $2.00K | 0.00% | +145+315.2% | Added |
| Russell Investments Group, Ltd. | 240 | $2.80K | 0.00% | +240 | New |
| FMR LLC | 242 | $2.83K | 0.00% | −186−43.5% | Reduced |
| JPMorgan Chase & Co | 258 | $2.86K | 0.00% | +258 | New |
| CWM, LLC | 301 | $3.52K | 0.00% | +301 | New |
| Advisor Group Holdings, Inc. | 338 | $3.95K | 0.00% | −307−47.6% | Reduced |
| Strengthening Families & Communities, LLC | 490 | $5.72K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 1,019 | $11.9K | 0.00% | +1,019 | New |
| Tower Research Capital LLC (TRC) | 1,941 | $22.7K | 0.00% | +1,941 | New |
| Group One Trading, L.P. | 3,311 | $38.7K | 0.00% | −4,238−56.1% | Reduced |
| Vanguard Global Advisers, LLC | 4,282 | $50.0K | 0.00% | +4,282 | New |
| Truvestments Capital LLC | 8,990 | $105.0K | 0.02% | +8,990 | New |
| Omers Administration Corp | 10,400 | $121.5K | 0.00% | −6,200−37.3% | Reduced |
| Virtus ETF Advisers LLC | 11,200 | $130.8K | 0.06% | +11,200 | New |
| Barclays PLC | 11,324 | $132.3K | 0.00% | −1,374−10.8% | Reduced |
| Walleye Capital LLC | 12,197 | $142.5K | 0.00% | +12,197 | New |
| Kovack Advisors, Inc. | 12,100 | $144.6K | 0.01% | −9,900−45.0% | Reduced |
| Jump Financial, LLC | 13,280 | $155.1K | 0.00% | −17,020−56.2% | Reduced |
| James Investment Research Inc | 14,600 | $170.5K | 0.02% | 00.0% | Unchanged |
| WealthTrust Axiom LLC | 16,300 | $190.4K | 0.05% | +5,000+44.2% | Added |
| Schonfeld Strategic Advisors LLC | 18,804 | $219.6K | 0.00% | +18,804 | New |
| LPL Financial LLC | 19,013 | $222.1K | 0.00% | +7,020+58.5% | Added |
| Villere St Denis J & Co LLC | 20,000 | $233.6K | 0.03% | 00.0% | Unchanged |
| HRT Financial LP | 20,181 | $235.0K | 0.00% | +20,181 | New |
| Sowell Financial Services LLC | 20,206 | $236.0K | 0.01% | +4,050+25.1% | Added |
| Virtu Financial LLC | 21,210 | $248.0K | 0.01% | +21,210 | New |
| Bank of America Corp | 22,652 | $264.6K | 0.00% | +22,574+28,941.0% | Added |
| State of Wyoming | 23,688 | $276.7K | 0.03% | +23,688 | New |
| Brevan Howard Capital Management LP | 23,714 | $277.0K | 0.00% | +23,714 | New |
| Hudson Bay Capital Management LP | 24,083 | $281.3K | 0.00% | +2,530+11.7% | Added |
| Hillsdale Investment Management Inc. | 25,300 | $295.5K | 0.01% | +25,300 | New |
| Gsa Capital Partners LLP | 25,630 | $299.0K | 0.02% | −5,118−16.6% | Reduced |
| American Century Companies Inc | 26,736 | $312.3K | 0.00% | +6,070+29.4% | Added |
| GWM Advisors LLC | 26,891 | $314.1K | 0.00% | +12,291+84.2% | Added |
| Ironwood Investment Management LLC | 27,198 | $317.7K | 0.13% | −339−1.2% | Reduced |
| Dynamic Technology Lab Private Ltd | 28,141 | $328.7K | 0.05% | +28,141 | New |
| Occudo Quantitative Strategies LP | 19,830 | $345.2K | 0.02% | −1,463−6.9% | Reduced |
| Point72 Asset Management, L.P. | 29,758 | $347.6K | 0.00% | −38,396−56.3% | Reduced |
| Janney Montgomery Scott LLC | 30,760 | $359.0K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 31,671 | $369.9K | 0.00% | +31,671 | New |
| Empowered Funds, LLC | 32,318 | $377.5K | 0.00% | +32,318 | New |
| Goldman Sachs Group Inc | 36,575 | $427.2K | 0.00% | −42,118−53.5% | Reduced |
| Merit Financial Group, LLC | 37,000 | $432.2K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 37,580 | $438.9K | 0.01% | +37,580 | New |
| Essex Investment Management Co LLC | 37,816 | $441.7K | 0.07% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 38,690 | $451.9K | 0.00% | +22,013+132.0% | Added |
| Northern Trust Corp | 39,004 | $455.6K | 0.00% | −173−0.4% | Reduced |
| Ritholtz Wealth Management | 40,121 | $468.6K | 0.01% | +549+1.4% | Added |
| New York State Common Retirement Fund | 41,509 | $484.8K | 0.00% | +41,509 | New |
| O'Shaughnessy Asset Management, LLC | 50,727 | $592.5K | 0.00% | −10,236−16.8% | Reduced |
| State Street Corp | 57,340 | $669.7K | 0.00% | −5,450−8.7% | Reduced |
| Morgan Stanley | 59,092 | $690.2K | 0.00% | +45,881+347.3% | Added |
| Vanguard Fiduciary Trust Co | 63,296 | $739.3K | 0.00% | +63,296 | New |
| BNP Paribas Arbitrage, SA | 63,541 | $742.2K | 0.00% | +36,973+139.2% | Added |
| UBS Group AG | 72,474 | $846.5K | 0.00% | +62,664+638.8% | Added |
| EAM Investors, LLC | 74,305 | $867.9K | 0.10% | 00.0% | Unchanged |
| XTX Topco Ltd | 74,606 | $871.4K | 0.02% | +5,225+7.5% | Added |
| Qube Research & Technologies Ltd | 88,517 | $1.03M | 0.00% | +46,539+110.9% | Added |
| SEI Investments Co | 92,515 | $1.08M | 0.00% | +47,282+104.5% | Added |
| Palisades Investment Partners, LLC | 100,656 | $1.18M | 0.46% | +100,656 | New |
| Citadel Advisors LLC | 106,914 | $1.25M | 0.00% | −17,929−14.4% | Reduced |
| Renaissance Technologies LLC | 108,096 | $1.26M | 0.00% | −38,500−26.3% | Reduced |
| Bridgeway Capital Management, LLC | 109,118 | $1.27M | 0.03% | +12,800+13.3% | Added |
| Geode Capital Management, LLC | 132,149 | $1.54M | 0.00% | −852−0.6% | Reduced |
| Susquehanna International Group, LLP | 133,938 | $1.56M | 0.00% | +53,308+66.1% | Added |
| BlackRock, Inc. | 145,446 | $1.70M | 0.00% | +10,969+8.2% | Added |
| Trexquant Investment LP | 173,889 | $2.03M | 0.01% | +84,524+94.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 174,159 | $2.03M | 0.00% | +107,282+160.4% | Added |
| Two Sigma Investments, LP | 266,856 | $3.12M | 0.00% | +155,419+139.5% | Added |
| Jane Street Group, LLC | 340,879 | $3.98M | 0.00% | +15,125+4.6% | Added |
| Arrowstreet Capital, Limited Partnership | 365,387 | $4.27M | 0.00% | +18,354+5.3% | Added |
| Pacific Ridge Capital Partners, LLC | 405,371 | $4.73M | 1.03% | −222,440−35.4% | Reduced |
| Marshall Wace, LLP | 417,076 | $4.87M | 0.01% | +64,452+18.3% | Added |
| Millennium Management LLC | 453,597 | $5.30M | 0.00% | +430,849+1,894.0% | Added |
| Acadian Asset Management LLC | 466,837 | $5.45M | 0.01% | +230,829+97.8% | Added |
| Dimensional Fund Advisors LP | 529,351 | $6.18M | 0.00% | −142,756−21.2% | Reduced |
| Vanguard Capital Management LLC | 564,327 | $6.59M | 0.00% | +564,327 | New |
| First Eagle Investment Management, LLC | 832,453 | $9.72M | 0.02% | +98,107+13.4% | Added |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −69,997−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −30,542−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −21,815−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −16,247−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −12,608−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −7,050−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −2,388−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −681−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |