RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 84 filers reported holding RUBICON TECHNOLOGY INC in Q4 2014. The put-call ratio across all filers is 0.39 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $12,000 | +33.3% | 14,276 | -1.1% | 0.00% | – |
| Q4 2016 | $9,000 | +12.5% | 14,435 | +18.6% | 0.00% | – |
| Q3 2016 | $8,000 | +14.3% | 12,171 | +14.5% | 0.00% | – |
| Q2 2016 | $7,000 | -84.4% | 10,633 | -82.8% | 0.00% | -100.0% |
| Q1 2016 | $45,000 | +200.0% | 61,836 | +370.9% | 0.00% | – |
| Q4 2015 | $15,000 | -61.5% | 13,132 | -65.0% | 0.00% | -100.0% |
| Q3 2015 | $39,000 | -35.0% | 37,531 | +184.1% | 0.00% | 0.0% |
| Q4 2014 | $60,000 | -55.2% | 13,209 | -58.2% | 0.00% | -66.7% |
| Q3 2014 | $134,000 | -21.2% | 31,586 | +125.1% | 0.00% | +50.0% |
| Q3 2013 | $170,000 | – | 14,030 | – | 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% |