Notable Holders of Amtech Systems, Inc. (ASYS)
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| KOKINO LLC | COM PAR $0.01N | 2,250,000 | 22.86% | 13F |
| ROYCE & ASSOCIATES LLC | COM PAR $0.01N | 1,404,019 | 14.27% | 13F |
| DIMENSIONAL FUND ADVISORS LP | COM PAR $0.01N | 1,140,336 | 11.59% | 13F |
| Pacific Ridge Capital Partners, LLC | COM | 809,170 | 8.22% | 13F |
| VANGUARD GROUP INC | COM PAR $0.01N | 622,412 | 6.32% | 13F |
| First Eagle Investment Management, LLC | COM PAR $0.01N | 413,079 | 4.20% | 13F |
| ESSEX INVESTMENT MANAGEMENT CO LLC | COM | 354,500 | 3.60% | 13F |
| SELDON CAPITAL LP | COM PAR $0.01N | 252,824 | 2.57% | 13F |
| KENNEDY CAPITAL MANAGEMENT INC | COM | 215,410 | 2.19% | 13F |
| Legato Capital Management LLC | COM | 136,132 | 1.38% | 13F |
| Brandywine Global Investment Management, LLC | COM PAR $0.01N | 124,338 | 1.26% | 13F |
| OBERWEIS ASSET MANAGEMENT INC/ | com | 118,900 | 1.21% | 13F |
| GEODE CAPITAL MANAGEMENT LLC | COM PAR $0.01N | 109,945 | 1.12% | 13F |
| SEI INVESTMENTS CO | COM PAR $0.01N | 92,515 | 0.94% | 13F |
| ClariVest Asset Management LLC | COM PAR $0.01N | 84,959 | 0.86% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | COM PAR $0.01N | 77,661 | 0.79% | 13F |
| UBS Group AG | COM PAR $0.01N | 72,474 | 0.74% | 13F |
| Ancora Advisors, LLC | COM | 72,282 | 0.73% | 13F |
| Numeric Investors LLC | COM PAR $0.01N | 71,700 | 0.73% | 13F |
| KEANE CAPITAL MANGEMENT INC | COM PAR $0.01N | 70,777 | 0.72% | 13F |
| BRIDGEWAY CAPITAL MANAGEMENT INC | COM PAR $0.01N | 69,600 | 0.71% | 13F |
| STATE STREET CORP | COM PAR $0.01N | 57,340 | 0.58% | 13F |
| ACADIAN ASSET MANAGEMENT LLC | COM PAR $0.01N | 53,800 | 0.55% | 13F |
| WealthTrust Axiom LLC | COM PAR $0.01N | 45,456 | 0.46% | 13F |
| NORTHERN TRUST CORP | COM PAR $0.01N | 39,004 | 0.40% | 13F |
| COMMONWEALTH EQUITY SERVICES, LLC. | COM PAR $0.01N | 37,000 | 0.38% | 13F |
| Goldman Sachs Asset Management, L.P. | CMN | 36,575 | 0.37% | 13F |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | COM PAR $0.01N | 34,197 | 0.35% | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | COM PAR $0.01N | 33,306 | 0.34% | 13F |
| BlackRock Fund Advisors | COM PAR $0.01N | 30,555 | 0.31% | 13F |
| IRONWOOD INVESTMENT MANAGEMENT LLC | COM | 28,550 | 0.29% | 13F |
| PEAK6 Investments, L.P. (CALL) | COM PAR $0.01N | 26,000 | 0.26% | 13F |
| BANK OF AMERICA CORP /DE/ | COM PAR $0.01N | 22,652 | 0.23% | 13F |
| Susquehanna International Group, LLP | COM PAR $0.01N | 20,806 | 0.21% | 13F |
| WHITE PINE CAPITAL LLC | COM | 19,728 | 0.20% | 13F |
| Red Alder LLC | COM PAR $0.01N | 18,469 | 0.19% | 13F |
| Janney Montgomery Scott LLC | Common Stock | 18,000 | 0.18% | 13F |
| Comprehensive Portfolio Management, LLC | COM PAR $0.01N | 17,780 | 0.18% | 13F |
| TWO SIGMA ADVISERS, LLC | COM PAR $0.01N | 15,300 | 0.16% | 13F |
| Dynamic Technology Lab Private Ltd | COM PAR $0.01N | 15,138 | 0.15% | 13F |
| KCG Holdings, Inc. | COM PAR $0.01N | 14,268 | 0.14% | 13F |
| Citadel (CALL) | COM PAR $0.01N | 13,700 | 0.14% | 13F |
| MARXE AUSTIN W & GREENHOUSE DAVID M | common | 13,213 | 0.13% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM PAR $0.01N | 12,470 | 0.13% | 13F |
| BARCLAYS PLC | COM | 11,324 | 0.12% | 13F |
| Keebeck Wealth Management, LLC | COM PAR $0.01N | 10,000 | 0.10% | 13F |
| LADENBURG THALMANN FINANCIAL SERVICES INC | COM PAR $0.01N | 8,900 | 0.09% | 13F |
| SiVest Group, Inc. | Common Stock | 6,600 | 0.07% | 13F |
| UBS AG (CALL) | COM PAR $0.01N | 6,300 | 0.06% | 13F |
| BLACKROCK ADVISORS LLC | COM PAR $0.01N | 2,148 | 0.02% | 13F |
| BlackRock Investment Management, LLC | COM PAR $0.01N | 1,794 | 0.02% | 13F |
| EARNEST PARTNERS LLC | COM | 1,700 | 0.02% | 13F |
