RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 100 filers reported holding RUBICON TECHNOLOGY INC in Q2 2013. The put-call ratio across all filers is 0.64 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2015 | $21,000 | -54.3% | 5,300 | -47.0% | 0.00% | – |
| Q4 2014 | $46,000 | +7.0% | 10,000 | 0.0% | 0.00% | – |
| Q3 2014 | $43,000 | -51.1% | 10,000 | 0.0% | 0.00% | – |
| Q2 2014 | $88,000 | +1000.0% | 10,000 | +1322.5% | 0.00% | – |
| Q1 2014 | $8,000 | – | 703 | +35050.0% | 0.00% | – |
| Q4 2013 | $0 | -100.0% | 2 | -99.9% | 0.00% | – |
| Q3 2013 | $43,000 | -62.6% | 3,538 | -75.3% | 0.00% | – |
| Q2 2013 | $115,000 | – | 14,300 | – | 0.00% | – |
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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% |