RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 3 filers reported holding RUBICON TECHNOLOGY INC in Q4 2011. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2014 | $124,000 | +13.8% | 11,000 | 0.0% | 0.00% | 0.0% |
| Q4 2013 | $109,000 | -18.0% | 11,000 | 0.0% | 0.00% | -20.0% |
| Q3 2013 | $133,000 | -30.7% | 11,000 | -54.2% | 0.01% | -28.6% |
| Q2 2013 | $192,000 | +700.0% | 24,000 | +500.0% | 0.01% | +600.0% |
| Q4 2012 | $24,000 | -84.1% | 4,000 | -74.6% | 0.00% | -83.3% |
| Q3 2012 | $151,000 | +88.8% | 15,746 | +100.1% | 0.01% | +50.0% |
| Q2 2012 | $80,000 | -2.4% | 7,869 | 0.0% | 0.00% | 0.0% |
| Q1 2012 | $82,000 | -43.1% | 7,869 | -48.8% | 0.00% | -42.9% |
| Q4 2011 | $144,000 | – | 15,369 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| QUENTEC ASSET MANAGEMENT LLC | 940,625 | $3,997,000 | 1.06% |
| AGF Investments America Inc. | 245,200 | $1,042,000 | 0.40% |
| Pacific Ridge Capital Partners, LLC | 182,540 | $776,000 | 0.40% |
| Ecofin Advisors Ltd | 431,090 | $1,832,000 | 0.32% |
| ZEKE CAPITAL ADVISORS, LLC | 83,000 | $353,000 | 0.32% |
| Lapides Asset Management, LLC | 456,800 | $1,941,000 | 0.27% |
| RIVER GLOBAL INVESTORS LLP | 283,900 | $1,207,000 | 0.24% |
| Cortina Asset Management, LLC | 927,670 | $3,943,000 | 0.17% |
| Ariel Investments | 2,206,147 | $9,376,000 | 0.12% |
| BOURGEON CAPITAL MANAGEMENT LLC | 25,000 | $106,000 | 0.06% |