RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2015 | $533,000 | -74.9% | 135,313 | -70.9% | 0.01% | -73.9% |
| Q4 2014 | $2,123,000 | -18.8% | 464,550 | -24.5% | 0.02% | -20.7% |
| Q3 2014 | $2,616,000 | -52.1% | 615,514 | -1.5% | 0.03% | -45.3% |
| Q2 2014 | $5,465,000 | -2.5% | 624,625 | +25.9% | 0.05% | -28.4% |
| Q1 2014 | $5,603,000 | +14.2% | 496,303 | +0.7% | 0.07% | +12.1% |
| Q4 2013 | $4,905,000 | -19.5% | 492,976 | -2.0% | 0.07% | -13.2% |
| Q3 2013 | $6,092,000 | +2.5% | 503,054 | -32.6% | 0.08% | -5.0% |
| Q2 2013 | $5,944,000 | – | 745,859 | – | 0.08% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AEGIS FINANCIAL CORP | 879,200 | $2,136,000 | 1.16% |
| RIVER GLOBAL INVESTORS LLP | 251,900 | $607,000 | 0.77% |
| Ecofin Advisors Ltd | 1,396,334 | $3,393,000 | 0.55% |
| Pacific Ridge Capital Partners, LLC | 325,750 | $792,000 | 0.33% |
| ZEKE CAPITAL ADVISORS, LLC | 83,000 | $202,000 | 0.16% |
| Ariel Investments | 4,979,260 | $12,100,000 | 0.14% |
| Lapides Asset Management, LLC | 280,000 | $680,000 | 0.11% |
| COLUMBIA WANGER ASSET MANAGEMENT LLC | 3,170,799 | $7,705,000 | 0.05% |
| SMITH ASSET MANAGEMENT GROUP LP | 340,000 | $826,000 | 0.03% |
| Ancora Advisors LLC | 91,500 | $222,000 | 0.03% |