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, Q2 2026
Institutional positions in Amtech Systems Inc as of Jun 30, 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
- 112
- +34 vs. Q1 2026
- Shares held
- 11.3M
- +3.84M (+51.4%) vs. Q1 2026
- Total value
- $261.1M
- +$173.7M (+198.8%) vs. Q1 2026
- New holders
- 46
- 39 more added
- Sold out
- 12
- 20 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Eagle Investment Management, LLC | 1,696,852 | $39.2M | 0.03% | +864,399+103.8% | Added |
| AIGH Capital Management LLC | 1,252,000 | $28.9M | 2.62% | +1,252,000 | New |
| BlackRock, Inc. | 763,487 | $17.6M | 0.00% | +618,041+424.9% | Added |
| AWM Investment Company, Inc. | 690,000 | $15.9M | 1.38% | +690,000 | New |
| Vanguard Capital Management LLC | 580,502 | $13.4M | 0.00% | +16,175+2.9% | Added |
| Acadian Asset Management LLC | 580,278 | $13.4M | 0.02% | +113,441+24.3% | Added |
| Dimensional Fund Advisors LP | 426,694 | $9.84M | 0.00% | −102,657−19.4% | Reduced |
| Marshall Wace, LLP | 398,564 | $9.20M | 0.01% | −18,512−4.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 308,896 | $7.13M | 0.00% | −56,491−15.5% | Reduced |
| Geode Capital Management, LLC | 284,836 | $6.58M | 0.00% | +152,687+115.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 282,388 | $6.52M | 0.01% | +108,229+62.1% | Added |
| Renaissance Technologies LLC | 260,605 | $6.01M | 0.01% | +152,509+141.1% | Added |
| Two Sigma Investments, LP | 254,367 | $5.87M | 0.00% | −12,489−4.7% | Reduced |
| Jane Street Group, LLC | 249,465 | $5.76M | 0.00% | −91,414−26.8% | Reduced |
| VGI Partners Ltd | 237,503 | $5.48M | 0.30% | +237,503 | New |
| Qube Research & Technologies Ltd | 194,714 | $4.49M | 0.00% | +106,197+120.0% | Added |
| State Street Corp | 155,849 | $3.60M | 0.00% | +98,509+171.8% | Added |
| Trexquant Investment LP | 119,750 | $2.76M | 0.02% | −54,139−31.1% | Reduced |
| Bridgeway Capital Management, LLC | 111,472 | $2.57M | 0.05% | +2,354+2.2% | Added |
| Citadel Advisors LLC | 106,246 | $2.45M | 0.00% | −668−0.6% | Reduced |
| Palisades Investment Partners, LLC | 102,691 | $2.37M | 0.67% | +2,035+2.0% | Added |
| Northern Trust Corp | 91,857 | $2.12M | 0.00% | +52,853+135.5% | Added |
| Millennium Management LLC | 90,626 | $2.09M | 0.00% | −362,971−80.0% | Reduced |
| Morgan Stanley | 82,999 | $1.92M | 0.00% | +23,907+40.5% | Added |
| Vanguard Fiduciary Trust Co | 81,805 | $1.89M | 0.00% | +18,509+29.2% | Added |
| Vanguard Portfolio Management LLC | 81,351 | $1.88M | 0.00% | +81,351 | New |
| Point72 Asset Management, L.P. | 79,684 | $1.84M | 0.00% | +49,926+167.8% | Added |
| UBS Group AG | 79,085 | $1.83M | 0.00% | +6,611+9.1% | Added |
| EAM Investors, LLC | 72,579 | $1.68M | 0.15% | −1,726−2.3% | Reduced |
| BNP Paribas Arbitrage, SA | 71,293 | $1.65M | 0.00% | +7,752+12.2% | Added |
| XTX Topco Ltd | 69,832 | $1.61M | 0.02% | −4,774−6.4% | Reduced |
| Los Angeles Capital Management LLC | 63,562 | $1.47M | 0.01% | +63,562 | New |
| O'Shaughnessy Asset Management, LLC | 54,829 | $1.27M | 0.01% | +4,102+8.1% | Added |
| Goldman Sachs Group Inc | 54,066 | $1.25M | 0.00% | +17,491+47.8% | Added |
| Capelight Capital Asset Management LP | 50,000 | $1.15M | 0.58% | +50,000 | New |
| SEI Investments Co | 49,501 | $1.14M | 0.00% | −43,014−46.5% | Reduced |
| Man Group plc | 45,224 | $1.04M | 0.00% | +13,553+42.8% | Added |
| New York State Common Retirement Fund | 44,009 | $1.02M | 0.00% | +2,500+6.0% | Added |
| Hillsdale Investment Management Inc. | 43,080 | $994.3K | 0.02% | +17,780+70.3% | Added |
| Susquehanna International Group, LLP | 42,842 | $988.8K | 0.00% | −91,096−68.0% | Reduced |
| Bank of New York Mellon Corp | 41,533 | $958.6K | 0.00% | +41,533 | New |
| Ritholtz Wealth Management | 41,374 | $954.9K | 0.01% | +1,253+3.1% | Added |
| Occudo Quantitative Strategies LP | 38,616 | $891.3K | 0.05% | +18,786+94.7% | Added |
| Engineers Gate Manager LP | 38,552 | $889.8K | 0.01% | +972+2.6% | Added |
| Gsa Capital Partners LLP | 37,814 | $873.0K | 0.06% | +12,184+47.5% | Added |
| Essex Investment Management Co LLC | 37,761 | $871.5K | 0.11% | −55−0.1% | Reduced |
| Merit Financial Group, LLC | 37,000 | $854.0K | 0.01% | 00.0% | Unchanged |
| Empowered Funds, LLC | 34,672 | $800.2K | 0.00% | +2,354+7.3% | Added |
| American Century Companies Inc | 34,536 | $797.1K | 0.00% | +7,800+29.2% | Added |
| Janney Montgomery Scott LLC | 30,760 | $710.0K | 0.00% | 00.0% | Unchanged |
| Optimus Capital Advisors, LLC | 30,000 | $692.4K | 0.37% | +30,000 | New |
| Y-Intercept (Hong Kong) Ltd | 29,533 | $681.6K | 0.01% | +29,533 | New |
| Charles Schwab Investment Management Inc | 28,468 | $657.0K | 0.00% | +28,468 | New |
| Winton Group Ltd | 28,350 | $654.3K | 0.02% | +28,350 | New |
| Ironwood Investment Management LLC | 27,193 | $627.6K | 0.22% | −50.0% | Reduced |
| Marex Group plc | 26,118 | $602.8K | 0.00% | +26,118 | New |
| Panoramic Capital, LLC | 25,000 | $577.0K | 0.25% | +25,000 | New |
| Shikiar Asset Management Inc | 22,075 | $509.0K | 0.13% | +22,075 | New |
| Dynamic Technology Lab Private Ltd | 21,380 | $493.0K | 0.11% | −6,761−24.0% | Reduced |
| Nuveen, LLC | 20,681 | $477.3K | 0.00% | +20,681 | New |
| Sowell Financial Services LLC | 20,206 | $466.4K | 0.02% | 00.0% | Unchanged |
| Villere St Denis J & Co LLC | 20,000 | $461.6K | 0.06% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 18,976 | $438.0K | 0.00% | +172+0.9% | Added |
| LPL Financial LLC | 18,026 | $416.0K | 0.00% | −987−5.2% | Reduced |
| WealthTrust Axiom LLC | 17,800 | $410.8K | 0.09% | +1,500+9.2% | Added |
| KTF Investments, LLC | 17,000 | $392.4K | 0.04% | +17,000 | New |
| GWM Advisors LLC | 15,823 | $365.2K | 0.00% | −11,068−41.2% | Reduced |
| Integrated Quantitative Investments LLC | 15,359 | $354.5K | 0.06% | +15,359 | New |
| De Lisle Partners LLP | 15,000 | $346.2K | 0.04% | +15,000 | New |
| James Investment Research Inc | 14,600 | $337.0K | 0.03% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 13,600 | $313.9K | 0.00% | +13,600 | New |
| Rhumbline Advisers | 11,987 | $276.7K | 0.00% | +11,987 | New |
| Deutsche Bank AG | 11,647 | $268.8K | 0.00% | +11,647 | New |
| Virtus ETF Advisers LLC | 11,481 | $265.0K | 0.10% | +281+2.5% | Added |
| Buffalo Business & Estate Services Ltd | – | $257.9K | 0.03% | – | New |
| JPMorgan Chase & Co | 12,038 | $247.9K | 0.00% | +11,780+4,565.9% | Added |
| Wells Fargo & Company | 10,685 | $246.6K | 0.00% | +10,685 | New |
| ExodusPoint Capital Management, LP | 10,557 | $243.7K | 0.00% | +10,557 | New |
| State of Wyoming | 10,170 | $234.7K | 0.02% | −13,518−57.1% | Reduced |
| Price T Rowe Associates Inc | 9,747 | $225.0K | 0.00% | +9,747 | New |
| Truvestments Capital LLC | 9,265 | $213.8K | 0.03% | +275+3.1% | Added |
| Invesco Ltd. | 9,260 | $213.7K | 0.00% | +9,260 | New |
| Legato Capital Management LLC | 8,898 | $205.4K | 0.02% | +8,898 | New |
| STRS Ohio | 7,900 | $182.3K | 0.00% | +7,900 | New |
| MetLife Investment Management | 7,046 | $162.6K | 0.00% | +7,046 | New |
| Citigroup Inc | 5,490 | $126.7K | 0.00% | +5,490 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 5,393 | $124.5K | 0.00% | +5,393 | New |
| Alliancebernstein L.P. | 10,000 | $116.8K | 0.00% | +10,000 | New |
| Advisor Group Holdings, Inc. | 4,295 | $99.1K | 0.00% | +3,957+1,170.7% | Added |
| Vanguard Global Advisers, LLC | 4,282 | $98.8K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 4,230 | $97.6K | 0.00% | +4,230 | New |
| Group One Trading, L.P. | 4,170 | $96.2K | 0.00% | +859+25.9% | Added |
| Barclays PLC | 3,714 | $85.7K | 0.00% | −7,610−67.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 3,455 | $79.7K | 0.00% | +3,455 | New |
| Kemnay Advisory Services Inc. | 2,250 | $51.9K | 0.01% | +2,250 | New |
| Farther Finance Advisors, LLC | 1,700 | $39.2K | 0.00% | +1,700 | New |
| Russell Investments Group, Ltd. | 1,176 | $27.1K | 0.00% | +936+390.0% | Added |
| Legal & General Group Plc | 1,136 | $26.2K | 0.00% | +1,136 | New |
| Ameritas Investment Partners, Inc. | 1,063 | $24.5K | 0.00% | +1,063 | New |
| Tower Research Capital LLC (TRC) | 632 | $14.6K | 0.00% | −1,309−67.4% | Reduced |