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 | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $62,000 | +14.8% | 54,647 | +3.4% | 0.00% | – |
| Q3 2015 | $54,000 | -92.8% | 52,863 | -82.9% | 0.00% | – |
| Q2 2015 | $751,000 | -13.2% | 309,019 | +40.8% | 0.00% | – |
| Q1 2015 | $865,000 | -5.0% | 219,423 | +10.1% | 0.00% | – |
| Q4 2014 | $911,000 | -39.1% | 199,302 | -43.4% | 0.00% | -100.0% |
| Q3 2014 | $1,497,000 | -71.3% | 352,078 | -40.9% | 0.00% | -50.0% |
| Q2 2014 | $5,212,000 | -10.3% | 595,663 | +15.7% | 0.00% | 0.0% |
| Q1 2014 | $5,813,000 | -0.5% | 514,906 | -12.3% | 0.00% | 0.0% |
| Q4 2013 | $5,841,000 | +7.8% | 587,047 | +31.2% | 0.00% | 0.0% |
| Q3 2013 | $5,419,000 | +218.2% | 447,496 | +109.4% | 0.00% | +100.0% |
| Q2 2013 | $1,703,000 | – | 213,685 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Invicta Capital Management, LLC | 1,250,000 | $10,938,000 | 5.70% |
| QUENTEC ASSET MANAGEMENT LLC | 995,927 | $8,714,000 | 2.27% |
| Ecofin Advisors Ltd | 1,077,171 | $9,425,000 | 1.60% |
| Irving Magee Investment Management | 293,080 | $2,564,000 | 1.16% |
| AGF Investments America Inc. | 221,200 | $1,935,000 | 0.75% |
| ZEKE CAPITAL ADVISORS, LLC | 83,000 | $726,000 | 0.58% |
| Pacific Ridge Capital Partners, LLC | 89,770 | $785,000 | 0.54% |
| RIVER GLOBAL INVESTORS LLP | 173,900 | $1,520,000 | 0.40% |
| RobecoSam USA, Inc. | 35,000 | $306,000 | 0.33% |
| Cortina Asset Management, LLC | 951,794 | $8,328,000 | 0.32% |