RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 92 filers reported holding RUBICON TECHNOLOGY INC in Q4 2013. The put-call ratio across all filers is 0.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $4,000 | -20.0% | 3,230 | -28.7% | 0.00% | – |
| Q3 2015 | $5,000 | -54.5% | 4,530 | 0.0% | 0.00% | – |
| Q2 2015 | $11,000 | +120.0% | 4,530 | +271.3% | 0.00% | – |
| Q1 2015 | $5,000 | -44.4% | 1,220 | -39.0% | 0.00% | – |
| Q3 2014 | $9,000 | -50.0% | 2,000 | 0.0% | 0.00% | – |
| Q2 2014 | $18,000 | -50.0% | 2,000 | -37.5% | 0.00% | -100.0% |
| Q1 2014 | $36,000 | -30.8% | 3,200 | -38.5% | 0.00% | -50.0% |
| Q4 2013 | $52,000 | -17.5% | 5,200 | 0.0% | 0.00% | 0.0% |
| Q3 2013 | $63,000 | +90.9% | 5,200 | +23.8% | 0.00% | +100.0% |
| Q2 2013 | $33,000 | – | 4,200 | – | 0.00% | – |
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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% |