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 2015 | $166,000 | -75.6% | 160,800 | -42.6% | 0.03% | -73.1% |
| Q2 2015 | $680,000 | -43.9% | 280,000 | -9.0% | 0.11% | -46.3% |
| Q1 2015 | $1,212,000 | -48.6% | 307,700 | -40.3% | 0.20% | -37.0% |
| Q4 2014 | $2,357,000 | +21.4% | 515,800 | +12.9% | 0.32% | +16.4% |
| Q3 2014 | $1,941,000 | -2.2% | 456,800 | +101.4% | 0.27% | +2.2% |
| Q2 2014 | $1,984,000 | -22.5% | 226,800 | 0.0% | 0.27% | -25.3% |
| Q1 2014 | $2,561,000 | -1.1% | 226,800 | -12.9% | 0.36% | +1.4% |
| Q4 2013 | $2,590,000 | -17.8% | 260,300 | 0.0% | 0.35% | -15.5% |
| Q3 2013 | $3,152,000 | +11.4% | 260,300 | -26.7% | 0.42% | +3.7% |
| Q2 2013 | $2,830,000 | – | 355,100 | – | 0.40% | – |
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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% |