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 2016 | $10,000 | -54.5% | 14,291 | -25.1% | 0.00% | – |
| Q4 2015 | $22,000 | +10.0% | 19,091 | 0.0% | 0.00% | – |
| Q3 2015 | $20,000 | -56.5% | 19,091 | 0.0% | 0.00% | – |
| Q2 2015 | $46,000 | -67.6% | 19,091 | -47.0% | 0.00% | -100.0% |
| Q1 2015 | $142,000 | -12.9% | 36,001 | +0.9% | 0.00% | 0.0% |
| Q4 2014 | $163,000 | +25.4% | 35,677 | +16.3% | 0.00% | 0.0% |
| Q3 2014 | $130,000 | -42.0% | 30,677 | +19.8% | 0.00% | 0.0% |
| Q2 2014 | $224,000 | -9.7% | 25,610 | +16.4% | 0.00% | 0.0% |
| Q1 2014 | $248,000 | +27.8% | 21,994 | +13.1% | 0.00% | 0.0% |
| Q4 2013 | $194,000 | -19.8% | 19,453 | -2.6% | 0.00% | 0.0% |
| Q3 2013 | $242,000 | +57.1% | 19,966 | +3.6% | 0.00% | 0.0% |
| Q2 2013 | $154,000 | – | 19,278 | – | 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% |