Amtech SystemsASYS
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 35 institutions reported holding Amtech Systems Inc. (ASYS) in their 13F filings, up 1 from Q3 2024. 7 opened new positions and 7 sold out. The largest holders were Royce & Associates LP ($8.1M), Dimensional Fund Advisors LP ($5.1M) and First Eagle Investment Management, LLC ($4.6M). 3 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Amtech Systems Inc.
- CUSIP
- 032332504
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $473K |
| Exits | 7 | $1.5M |
All 13F filers, Q3 2024 → Q4 2024: 221,608 shares bought and 775,106 shares sold, net −553,498 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 35 holders
| Royce & Associates LP | 0.07% | Reduce -13.6% | 1,479,300 | $8.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +0.8% | 931,198 | $5.1M |
| First Eagle Investment Management, LLC | 0.01% | Add +6.6% | 834,922 | $4.6M |
| Vanguard Group Inc. | 0.00% | Reduce -0.5% | 670,784 | $3.7M |
| Pacific Ridge Capital Partners, LLC | 0.82% | Reduce -1.3% | 652,393 | $3.6M |
| Geode Capital Management, LLC | 0.00% | Add +3.7% | 132,756 | $724K |
| BlackRock, Inc. | 0.00% | Add +0.1% | 120,520 | $657K |
| Ancora Advisors LLC | 0.01% | Reduce -0.3% | 110,615 | $603K |
| Kovack Advisors, Inc. | 0.04% | Add +225.9% | 65,500 | $357K |
| State Street Corp. | 0.00% | Add +8.5% | 54,790 | $299K |
| Northern Trust Corp. | 0.00% | Add +31.7% | 44,816 | $244K |
| WealthTrust Axiom LLC | 0.07% | Reduce -1.5% | 43,624 | $238K |
| Kennedy Capital Management LLC | 0.01% | Reduce -56.0% | 42,325 | $231K |
| AMH Equity Ltd | 0.23% | Reduce -83.5% | 41,175 | $224K |
| Citadel Advisors | 0.00% | Reduce -4.8% | 40,256 | $219K |
| Hillsdale Investment Management Inc. | 0.01% | New | 37,200 | $203K |
| Commonwealth Equity Services, LLC | 0.00% | No change | 37,000 | $202K |
| Bridgeway Capital Management, LLC | 0.00% | Reduce -4.8% | 35,600 | $194K |
| Ironwood Investment Management LLC | 0.08% | Reduce -2.1% | 27,988 | $153K |
| Janney Montgomery Scott LLC | 0.00% | Reduce -3.6% | 26,700 | $146K |
| Millennium Management | 0.00% | Add +82.7% | 22,706 | $124K |
| Acadian Asset Management LLC | 0.00% | Reduce -13.3% | 22,320 | $120K |
| Villere St Denis J & Co. LLC | 0.01% | No change | 20,000 | $109K |
| Squarepoint Ops LLC | 0.00% | New | 13,005 | $71K |
| Goldman Sachs Group Inc. | 0.00% | New | 12,769 | $70K |
| Renaissance Technologies | 0.00% | New | 11,700 | $64K |
| Engineers Gate Manager LP | 0.00% | New | 11,337 | $62K |
| Osaic Holdings, Inc. | 0.00% | Add +40.0% | 1,400 | $8K |
| UBS Group AG | 0.00% | Reduce -3.2% | 1,223 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +30.3% | 855 | $5K |
| Simplex Trading, LLC | 0.00% | New | 567 | $3K |
| SBI Securities Co., Ltd. | 0.00% | — | 210 | $1K |
| Principal Securities, Inc. | 0.00% | No change | 200 | $1K |
| Royal Bank of Canada | 0.00% | New | 164 | $1K |
| Bank of America Corp. | 0.00% | No change | 97 | $529 |
"% of holder's portfolio" is ASYS's weight in each manager's 13F, not the share of Amtech Systems Inc. the manager owns.