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, Q3 2025
Institutional positions in Amtech Systems Inc as of Sep 30, 2025. 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
- 54
- +18 vs. Q2 2025
- Shares held
- 4.55M
- +449.8K (+11.0%) vs. Q2 2025
- Total value
- $42.1M
- +$23.9M (+131.4%) vs. Q2 2025
- New holders
- 24
- 8 more added
- Sold out
- 6
- 17 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 36 | $0 | 0.00% | −35,464−99.9% | Reduced |
| Citigroup Inc | 1 | $9 | 0.00% | +1 | New |
| Barclays PLC | 30 | $278 | 0.00% | +30 | New |
| SBI Securities Co., Ltd. | 151 | $1.40K | 0.00% | −90−37.3% | Reduced |
| Principal Securities, Inc. | 200 | $1.85K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 400 | $3.70K | 0.00% | +400 | New |
| Strengthening Families & Communities, LLC | 490 | $4.54K | 0.00% | +490 | New |
| FMR LLC | 665 | $6.16K | 0.00% | −5,227−88.7% | Reduced |
| Advisor Group Holdings, Inc. | 780 | $6.81K | 0.00% | −865−52.6% | Reduced |
| Bank of America Corp | 1,686 | $15.6K | 0.00% | +1,487+747.2% | Added |
| Group One Trading, L.P. | 2,024 | $18.7K | 0.00% | +2,024 | New |
| UBS Group AG | 2,030 | $18.8K | 0.00% | −10,799−84.2% | Reduced |
| Wells Fargo & Company | 2,563 | $23.7K | 0.00% | +2,563 | New |
| Morgan Stanley | 7,738 | $71.7K | 0.00% | +5,127+196.4% | Added |
| Williams & Novak, LLC | 10,250 | $94.9K | 0.07% | −8,135−44.2% | Reduced |
| XTX Topco Ltd | 10,385 | $96.2K | 0.00% | −13,221−56.0% | Reduced |
| American Century Companies Inc | 10,623 | $98.4K | 0.00% | +10,623 | New |
| Millennium Management LLC | 11,946 | $110.6K | 0.00% | +11,946 | New |
| LPL Financial LLC | 12,815 | $118.7K | 0.00% | +12,815 | New |
| Thompson Davis & Co., Inc. | 13,250 | $122.7K | 0.08% | +13,250 | New |
| Engineers Gate Manager LP | 13,442 | $124.5K | 0.00% | +13,442 | New |
| James Investment Research Inc | 14,600 | $135.2K | 0.01% | +14,600 | New |
| GWM Advisors LLC | 14,600 | $135.2K | 0.00% | +14,600 | New |
| HRT Financial LP | 16,463 | $152.0K | 0.00% | +16,463 | New |
| Brevan Howard Capital Management LP | 18,000 | $166.7K | 0.00% | +18,000 | New |
| Wexford Capital LP | 18,808 | $174.2K | 0.05% | +18,808 | New |
| Susquehanna International Group, LLP | 19,937 | $184.6K | 0.00% | +19,937 | New |
| Villere St Denis J & Co LLC | 20,000 | $185.2K | 0.02% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 20,300 | $188.0K | 0.00% | +5,800+40.0% | Added |
| GWN Securities Inc. | 20,423 | $189.1K | 0.04% | +20,423 | New |
| Cubist Systematic Strategies, LLC | 24,844 | $230.1K | 0.00% | +24,844 | New |
| EHP Funds Inc. | 25,242 | $233.7K | 0.31% | +25,242 | New |
| Janney Montgomery Scott LLC | 26,700 | $247.0K | 0.00% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 27,591 | $255.5K | 0.11% | −207−0.7% | Reduced |
| Goldman Sachs Group Inc | 31,251 | $289.4K | 0.00% | +11,297+56.6% | Added |
| Kovack Advisors, Inc. | 32,150 | $297.7K | 0.03% | −40,850−56.0% | Reduced |
| Gsa Capital Partners LLP | 33,817 | $313.0K | 0.03% | −10,602−23.9% | Reduced |
| Ancora Advisors, LLC | 35,247 | $326.4K | 0.01% | −75,775−68.3% | Reduced |
| WealthTrust Axiom LLC | 35,800 | $331.5K | 0.09% | −6,324−15.0% | Reduced |
| Northern Trust Corp | 36,703 | $339.9K | 0.00% | −10,064−21.5% | Reduced |
| Essex Investment Management Co LLC | 37,816 | $350.2K | 0.05% | +37,816 | New |
| State Street Corp | 54,790 | $507.4K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 64,800 | $600.0K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 78,454 | $726.5K | 0.00% | +40,560+107.0% | Added |
| Acadian Asset Management LLC | 83,532 | $771.0K | 0.00% | +40,564+94.4% | Added |
| Marshall Wace, LLP | 105,272 | $974.8K | 0.00% | +105,272 | New |
| Geode Capital Management, LLC | 131,281 | $1.22M | 0.00% | −5,093−3.7% | Reduced |
| BlackRock, Inc. | 132,873 | $1.23M | 0.00% | +8,275+6.6% | Added |
| Jane Street Group, LLC | 175,422 | $1.62M | 0.00% | +175,422 | New |
| Arrowstreet Capital, Limited Partnership | 182,429 | $1.69M | 0.00% | +182,429 | New |
| Pacific Ridge Capital Partners, LLC | 646,489 | $5.99M | 1.32% | −14,878−2.2% | Reduced |
| Vanguard Group Inc | 676,006 | $6.26M | 0.00% | +17,099+2.6% | Added |
| First Eagle Investment Management, LLC | 752,346 | $6.97M | 0.01% | −48,036−6.0% | Reduced |
| Dimensional Fund Advisors LP | 849,815 | $7.87M | 0.00% | −59,751−6.6% | Reduced |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −38,500−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −33,549−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −2,838−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −884−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −10−100.0% | Sold out |