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 2016 | $43,000 | -87.9% | 59,494 | -80.9% | 0.00% | – |
| Q4 2015 | $355,000 | -20.9% | 311,426 | -28.6% | 0.00% | – |
| Q3 2015 | $449,000 | -59.2% | 436,351 | -3.7% | 0.00% | -100.0% |
| Q2 2015 | $1,101,000 | -39.8% | 453,222 | -2.4% | 0.00% | 0.0% |
| Q1 2015 | $1,829,000 | -13.8% | 464,205 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $2,121,000 | +4.1% | 464,205 | -3.1% | 0.00% | 0.0% |
| Q3 2014 | $2,037,000 | -53.6% | 479,144 | -4.5% | 0.00% | -66.7% |
| Q2 2014 | $4,390,000 | -22.9% | 501,671 | -0.6% | 0.00% | -25.0% |
| Q1 2014 | $5,696,000 | -7.5% | 504,479 | -18.5% | 0.00% | -20.0% |
| Q4 2013 | $6,160,000 | -16.9% | 619,062 | +1.1% | 0.01% | -16.7% |
| Q3 2013 | $7,412,000 | +50.6% | 612,060 | -0.4% | 0.01% | +20.0% |
| Q2 2013 | $4,921,000 | – | 614,337 | – | 0.01% | – |
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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% |