RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 100 filers reported holding RUBICON TECHNOLOGY INC in Q2 2013. The put-call ratio across all filers is 0.64 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2014 | $282,000 | -49.5% | 66,400 | +34.4% | 0.01% | -56.2% |
| Q1 2014 | $558,000 | +13.4% | 49,400 | 0.0% | 0.02% | +6.7% |
| Q4 2013 | $492,000 | -17.7% | 49,400 | 0.0% | 0.02% | -25.0% |
| Q3 2013 | $598,000 | -5.5% | 49,400 | -37.8% | 0.02% | -20.0% |
| Q2 2013 | $633,000 | – | 79,400 | – | 0.02% | – |
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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% |