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 2023
Institutional positions in Amtech Systems Inc as of Dec 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
- 45
- +3 vs. Q3 2023
- Shares held
- 6.16M
- −559.5K (−8.3%) vs. Q3 2023
- Total value
- $25.9M
- −$25.3M (−49.4%) vs. Q3 2023
- New holders
- 11
- 12 more added
- Sold out
- 8
- 14 more reduced
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Amtech Systems Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royce & Associates LP | 1,443,080 | $6.06M | 0.06% | −35,600−2.4% | Reduced |
| Dimensional Fund Advisors LP | 1,122,676 | $4.72M | 0.00% | −4,055−0.4% | Reduced |
| Pacific Ridge Capital Partners, LLC | 754,376 | $3.17M | 0.64% | −33,141−4.2% | Reduced |
| Vanguard Group Inc | 674,175 | $2.83M | 0.00% | +8,163+1.2% | Added |
| First Eagle Investment Management, LLC | 581,955 | $2.44M | 0.01% | +7,609+1.3% | Added |
| Kennedy Capital Management, Inc. | 224,739 | $943.9K | 0.02% | −30,355−11.9% | Reduced |
| Ancora Advisors, LLC | 152,310 | $639.7K | 0.02% | +80,028+110.7% | Added |
| Essex Investment Management Co LLC | 143,375 | $602.2K | 0.12% | −204,062−58.7% | Reduced |
| BlackRock Inc. | 132,965 | $558.5K | 0.00% | −576−0.4% | Reduced |
| Geode Capital Management, LLC | 114,144 | $479.5K | 0.00% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 105,774 | $444.3K | 0.00% | −21,064−16.6% | Reduced |
| AMH Equity Ltd | 89,661 | $376.6K | 0.40% | +89,661 | New |
| Bridgeway Capital Management, LLC | 69,600 | $292.3K | 0.01% | 00.0% | Unchanged |
| Legato Capital Management LLC | 56,824 | $238.7K | 0.03% | −73,213−56.3% | Reduced |
| Susquehanna International Group, LLP | 56,430 | $237.0K | 0.00% | +56,430 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 48,271 | $202.7K | 0.00% | +1,618+3.5% | Added |
| Citadel Advisors LLC | 46,257 | $194.3K | 0.00% | +34,463+292.2% | Added |
| WealthTrust Axiom LLC | 44,390 | $186.4K | 0.06% | −1,566−3.4% | Reduced |
| State Street Corp | 39,590 | $166.3K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 37,000 | $155.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 33,249 | $139.6K | 0.00% | +11,005+49.5% | Added |
| Ironwood Investment Management LLC | 27,991 | $117.6K | 0.06% | −559−2.0% | Reduced |
| Janney Montgomery Scott LLC | 26,700 | $112.0K | 0.00% | 00.0% | Unchanged |
| Kovack Advisors, Inc. | 21,800 | $91.6K | 0.01% | −28,800−56.9% | Reduced |
| Prescott Group Capital Management, L.L.C. | 20,000 | $84.0K | 0.01% | +20,000 | New |
| Royal Bank of Canada | 16,500 | $69.0K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 14,028 | $58.0K | 0.00% | −9,058−39.2% | Reduced |
| Firsthand Capital Management, Inc. | 6,600 | $57.5K | 0.08% | +6,600 | New |
| Wolverine Trading, LLC | 13,550 | $56.9K | 0.00% | +13,550 | New |
| O'Shaughnessy Asset Management, LLC | 13,104 | $55.0K | 0.00% | −9,515−42.1% | Reduced |
| Millennium Management LLC | 12,038 | $50.6K | 0.00% | +12,038 | New |
| Victory Capital Management Inc | 9,231 | $38.8K | 0.00% | +9,231 | New |
| Morgan Stanley | 2,928 | $12.3K | 0.00% | +932+46.7% | Added |
| Tower Research Capital LLC (TRC) | 2,486 | $10.4K | 0.00% | −1,201−32.6% | Reduced |
| Group One Trading, L.P. | 2,052 | $8.62K | 0.00% | +2,052 | New |
| Qube Research & Technologies Ltd | 1,634 | $6.86K | 0.00% | +1,633+163,300.0% | Added |
| UBS Group AG | 607 | $2.55K | 0.00% | +192+46.3% | Added |
| FMR LLC | 563 | $2.37K | 0.00% | +518+1,151.1% | Added |
| Rhumbline Advisers | 492 | $2.07K | 0.00% | 00.0% | Unchanged |
| Strengthening Families & Communities, LLC | 490 | $2.06K | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 200 | $840 | 0.00% | +200 | New |
| Wells Fargo & Company | 88 | $370 | 0.00% | +4+4.8% | Added |
| Focused Wealth Management, Inc | 20 | $84 | 0.00% | +20 | New |
| Bank of America Corp | 14 | $58 | 0.00% | +14 | New |
| Advisor Group Holdings, Inc. | 7 | $29 | 0.00% | +4+133.3% | Added |
| Seldon Capital LP | 0 | $0 | 0.00% | −208,112−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −118,900−100.0% | Sold out |
| ClariVest Asset Management LLC | 0 | $0 | 0.00% | −74,559−100.0% | Sold out |
| White Pine Capital LLC | 0 | $0 | 0.00% | −30,450−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −12,300−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −10,350−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −6,313−100.0% | Sold out |
| Earnest Partners LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |