RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 54 filers reported holding RUBICON TECHNOLOGY INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $1,000 | – | 620 | 0.0% | 0.00% | – |
| Q4 2016 | $0 | – | 620 | 0.0% | 0.00% | – |
| Q3 2016 | $0 | – | 620 | 0.0% | 0.00% | – |
| Q2 2016 | $0 | -100.0% | 620 | -25.4% | 0.00% | – |
| Q1 2016 | $1,000 | 0.0% | 831 | 0.0% | 0.00% | – |
| Q4 2015 | $1,000 | – | 831 | +473.1% | 0.00% | – |
| Q3 2015 | $0 | – | 145 | 0.0% | 0.00% | – |
| Q2 2015 | $0 | -100.0% | 145 | 0.0% | 0.00% | – |
| Q1 2015 | $1,000 | 0.0% | 145 | 0.0% | 0.00% | – |
| Q4 2014 | $1,000 | -80.0% | 145 | -73.1% | 0.00% | – |
| Q2 2014 | $5,000 | – | 540 | – | 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% |