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 | $6,000 | -50.0% | 10,272 | 0.0% | 0.00% | – |
| Q4 2015 | $12,000 | +9.1% | 10,272 | 0.0% | 0.00% | – |
| Q3 2015 | $11,000 | -80.4% | 10,272 | -56.6% | 0.00% | – |
| Q2 2015 | $56,000 | -96.7% | 23,672 | -94.6% | 0.00% | – |
| Q1 2015 | $1,718,000 | -13.2% | 435,553 | +0.5% | 0.00% | – |
| Q4 2014 | $1,980,000 | +23.6% | 433,544 | +15.2% | 0.00% | – |
| Q3 2014 | $1,602,000 | -51.9% | 376,498 | -1.0% | 0.00% | – |
| Q2 2014 | $3,328,000 | -27.0% | 380,275 | -5.8% | 0.00% | -100.0% |
| Q1 2014 | $4,560,000 | -14.7% | 403,783 | -41.0% | 0.00% | – |
| Q4 2013 | $5,343,000 | +42.4% | 684,862 | +121.1% | 0.00% | – |
| Q3 2013 | $3,751,000 | +54.6% | 309,684 | +2.3% | 0.00% | – |
| Q2 2013 | $2,427,000 | – | 302,811 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AEGIS FINANCIAL CORP | 879,200 | $1,002,000 | 0.80% |
| RIVER GLOBAL INVESTORS LLP | 471,900 | $537,000 | 0.36% |
| Ecofin Advisors Ltd | 1,511,716 | $1,723,356,000 | 0.29% |
| Pacific Ridge Capital Partners, LLC | 346,480 | $395,000 | 0.18% |
| ZEKE CAPITAL ADVISORS, LLC | 83,000 | $95,000 | 0.08% |
| Ariel Investments | 4,767,365 | $5,435,000 | 0.06% |
| Anson Funds Management LP | 138,955 | $158,000 | 0.05% |
| COLUMBIA WANGER ASSET MANAGEMENT LLC | 2,894,207 | $3,299,000 | 0.03% |
| Ancora Advisors LLC | 219,700 | $453,000 | 0.03% |
| BOOTHBAY FUND MANAGEMENT, LLC | 21,260 | $24,000 | 0.01% |