RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 67 filers reported holding RUBICON TECHNOLOGY INC in Q2 2015. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2016 | $42,000 | -16.0% | 57,380 | +31.1% | 0.00% | 0.0% |
| Q4 2015 | $50,000 | +38.9% | 43,780 | +23.6% | 0.00% | 0.0% |
| Q3 2015 | $36,000 | -95.6% | 35,410 | -89.6% | 0.00% | -96.4% |
| Q2 2015 | $826,000 | -34.5% | 340,000 | +6.3% | 0.03% | -33.3% |
| Q1 2015 | $1,261,000 | +7781.2% | 319,940 | +8937.9% | 0.04% | +4100.0% |
| Q4 2014 | $16,000 | – | 3,540 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AEGIS FINANCIAL CORP | 879,200 | $2,136,000 | 1.16% |
| RIVER GLOBAL INVESTORS LLP | 251,900 | $607,000 | 0.77% |
| Ecofin Advisors Ltd | 1,396,334 | $3,393,000 | 0.55% |
| Pacific Ridge Capital Partners, LLC | 325,750 | $792,000 | 0.33% |
| ZEKE CAPITAL ADVISORS, LLC | 83,000 | $202,000 | 0.16% |
| Ariel Investments | 4,979,260 | $12,100,000 | 0.14% |
| Lapides Asset Management, LLC | 280,000 | $680,000 | 0.11% |
| COLUMBIA WANGER ASSET MANAGEMENT LLC | 3,170,799 | $7,705,000 | 0.05% |
| SMITH ASSET MANAGEMENT GROUP LP | 340,000 | $826,000 | 0.03% |
| Ancora Advisors LLC | 91,500 | $222,000 | 0.03% |