RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107. A total of 92 filers reported holding RUBICON TECHNOLOGY INC in Q4 2013. The put-call ratio across all filers is 0.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $38,000 | +18.8% | 46,088 | -11.5% | 0.00% | – |
| Q4 2016 | $32,000 | +100.0% | 52,088 | +100.0% | 0.00% | – |
| Q3 2016 | $16,000 | +100.0% | 26,044 | +116.2% | 0.00% | – |
| Q2 2016 | $8,000 | -27.3% | 12,044 | -20.0% | 0.00% | – |
| Q1 2016 | $11,000 | -47.6% | 15,057 | -20.6% | 0.00% | – |
| Q4 2015 | $21,000 | -46.2% | 18,957 | -50.0% | 0.00% | – |
| Q3 2015 | $39,000 | -44.3% | 37,897 | +31.4% | 0.00% | – |
| Q2 2015 | $70,000 | -2.8% | 28,841 | +57.5% | 0.00% | – |
| Q1 2015 | $72,000 | -49.7% | 18,314 | -41.6% | 0.00% | – |
| Q4 2014 | $143,000 | -32.9% | 31,354 | -37.7% | 0.00% | – |
| Q3 2014 | $213,000 | -29.5% | 50,310 | +45.4% | 0.00% | – |
| Q2 2014 | $302,000 | -35.9% | 34,604 | -17.1% | 0.00% | – |
| Q1 2014 | $471,000 | +24.9% | 41,720 | +10.1% | 0.00% | – |
| Q4 2013 | $377,000 | -57.5% | 37,883 | -48.3% | 0.00% | – |
| Q3 2013 | $887,000 | +131.0% | 73,223 | +51.8% | 0.00% | – |
| Q2 2013 | $384,000 | – | 48,236 | – | 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% |