Notable Holders of Rubicon Technology, Inc. (RBCN)
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Expand Research on RBCN
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* Does Not Fully Represent All Holders
| Fund | Title | Shares | % Owned | Source |
|---|---|---|---|---|
| Sparta Asset Management, LLC | COM | 2,086,406 | 9.24% | 13F |
| VANGUARD GROUP INC | COM | 1,033,453 | 4.58% | 13F |
| BlackRock Fund Advisors | COM | 752,686 | 3.33% | 13F |
| Invesco Ltd. | COMMON | 652,332 | 2.89% | 13F |
| BlackRock Institutional Trust Company, N.A. | COM | 500,217 | 2.22% | 13F |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | COM | 435,366 | 1.93% | 13F |
| DIMENSIONAL FUND ADVISORS LP | COM | 374,553 | 1.66% | 13F |
| ARTIS CAPITAL MANAGEMENT, L.P. | COM | 321,500 | 1.42% | 13F |
| GMT CAPITAL CORP | COM | 299,451 | 1.33% | 13F |
| NORTHERN TRUST CORP | COM | 263,450 | 1.17% | 13F |
| GAM Holding Ltd. | 254,200 | 1.13% | 13F | |
| MORGAN STANLEY | COM | 105,258 | 0.47% | 13F |
| AMERIPRISE FINANCIAL INC | COM | 95,450 | 0.42% | 13F |
| BATTERYMARCH FINANCIAL MANAGEMENT INC | COM | 95,200 | 0.42% | 13F |
| UNITED SERVICES AUTOMOBILE ASSOCIATION | COMMON | 95,200 | 0.42% | 13F |
| FIRST TRUST ADVISORS LP | COM | 89,083 | 0.39% | 13F |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | COM STK | 82,200 | 0.36% | 13F |
| TIAA CREF INVESTMENT MANAGEMENT LLC | COM | 79,109 | 0.35% | 13F |
| BARCLAYS PLC (PUT) | OPT | 76,700 | 0.34% | 13F |
| PRINCIPAL FINANCIAL GROUP INC | COM | 74,445 | 0.33% | 13F |
| ROYAL BANK OF CANADA \ | COM | 71,158 | 0.32% | 13F |
| Walthausen & Co., LLC | 70,976 | 0.31% | 13F | |
| GEODE CAPITAL MANAGEMENT LLC | COM | 60,182 | 0.27% | 13F |
| BlackRock Investment Management, LLC | COM | 59,565 | 0.26% | 13F |
| JPMORGAN CHASE & CO | COMMON | 56,688 | 0.25% | 13F |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | * RUBICON TECHNOLOGY | 55,170 | 0.24% | 13F |
| STONEBRIDGE CAPITAL MANAGEMENT INC | COM | 52,690 | 0.23% | 13F |
| NEW YORK STATE COMMON RETIREMENT FUND | COMMON STOCK | 47,500 | 0.21% | 13F |
| Liberty Mutual Group Asset Management Inc. | COM | 44,642 | 0.20% | 13F |
| SCHWAB CHARLES INVESTMENT MANAGEMENT INC | COM | 33,996 | 0.15% | 13F |
| HARVEY CAPITAL MANAGEMENT INC | COM | 31,250 | 0.14% | 13F |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | COM | 30,100 | 0.13% | 13F |
| ROYAL BANK OF SCOTLAND GROUP PLC | COM | 28,416 | 0.13% | 13F |
| GUGGENHEIM CAPITAL LLC | COM | 26,268 | 0.12% | 13F |
| PARAMETRIC PORTFOLIO ASSOCIATES | Common Stock | 23,984 | 0.11% | 13F |
| LEGAL & GENERAL GROUP PLC | COM | 22,100 | 0.10% | 13F |
| ING INVESTMENT MANAGEMENT CO | COM | 20,530 | 0.09% | 13F |
| CREDIT AGRICOLE S A | COM | 19,400 | 0.09% | 13F |
| COMERICA BANK | COM | 18,313 | 0.08% | 13F |
| TEACHERS ADVISORS INC | COM | 15,792 | 0.07% | 13F |
| BLACKROCK ADVISORS LLC | COM | 15,287 | 0.07% | 13F |
| KNIGHT CAPITAL GROUP, INC. | COM | 14,810 | 0.07% | 13F |
| Manulife Asset Management (North America) Ltd | COM | 14,523 | 0.06% | 13F |
| AMERICAN INTERNATIONAL GROUP INC | COM | 14,380 | 0.06% | 13F |
| SG Americas Securities, LLC | 14,182 | 0.06% | 13F | |
| LMR Master Fund Ltd | COM | 11,368 | 0.05% | 13F |
| LOS ANGELES CAPITAL MANAGEMENT & EQUITY RESEARCH INC | COM | 11,195 | 0.05% | 13F |
| DEUTSCHE BANK AG\ | COM | 7,007 | 0.03% | 13F |
| First Allied Securities, Inc. | COM | 6,775 | 0.03% | 13F |
| PineBridge Investments Ltd | COM | 3,507 | 0.02% | 13F |
| PNC FINANCIAL SERVICES GROUP INC | COM | 3,000 | 0.01% | 13F |
| WELLS FARGO & CO/MN | EQUITY | 2,730 | 0.01% | 13F |
| RUSSELL FRANK CO/ | COMMON STOCKS | 2,724 | 0.01% | 13F |
