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 | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $114,000 | +46.2% | 137,968 | +5.0% | 0.00% | – |
| Q4 2016 | $78,000 | +23.8% | 131,338 | +30.9% | 0.00% | – |
| Q3 2016 | $63,000 | -11.3% | 100,314 | -4.0% | 0.00% | – |
| Q2 2016 | $71,000 | +222.7% | 104,451 | +240.2% | 0.00% | – |
| Q1 2016 | $22,000 | – | 30,702 | +139454.5% | 0.00% | – |
| Q4 2015 | $0 | -100.0% | 22 | -99.9% | 0.00% | – |
| Q3 2015 | $39,000 | -71.1% | 37,960 | -32.5% | 0.00% | – |
| Q2 2015 | $135,000 | +5.5% | 56,202 | +71.9% | 0.00% | – |
| Q1 2015 | $128,000 | +47.1% | 32,687 | +71.3% | 0.00% | – |
| Q4 2014 | $87,000 | -26.9% | 19,086 | -32.5% | 0.00% | – |
| Q3 2014 | $119,000 | +11.2% | 28,284 | +129.2% | 0.00% | – |
| Q2 2014 | $107,000 | -35.2% | 12,339 | -15.7% | 0.00% | – |
| Q1 2014 | $165,000 | +111.5% | 14,639 | +84.3% | 0.00% | – |
| Q4 2013 | $78,000 | -74.8% | 7,944 | -69.0% | 0.00% | – |
| Q3 2013 | $309,000 | – | 25,602 | – | 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% |