RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2017 | $51,000 | +34.2% | 61,300 | 0.0% | 0.00% | – |
| Q4 2016 | $38,000 | -2.6% | 61,300 | 0.0% | 0.00% | – |
| Q3 2016 | $39,000 | -7.1% | 61,300 | 0.0% | 0.00% | – |
| Q2 2016 | $42,000 | -6.7% | 61,300 | 0.0% | 0.00% | – |
| Q1 2016 | $45,000 | -35.7% | 61,300 | 0.0% | 0.00% | – |
| Q4 2015 | $70,000 | +11.1% | 61,300 | 0.0% | 0.00% | – |
| Q3 2015 | $63,000 | -57.7% | 61,300 | 0.0% | 0.00% | – |
| Q2 2015 | $149,000 | -39.7% | 61,300 | 0.0% | 0.00% | – |
| Q1 2015 | $247,000 | 0.0% | 61,300 | 0.0% | 0.00% | – |
| Q4 2014 | $247,000 | +225.0% | 61,300 | +242.5% | 0.00% | – |
| Q3 2014 | $76,000 | -51.6% | 17,900 | 0.0% | 0.00% | – |
| Q2 2014 | $157,000 | -21.5% | 17,900 | 0.0% | 0.00% | – |
| Q1 2014 | $200,000 | -85.0% | 17,900 | -87.0% | 0.00% | -100.0% |
| Q4 2013 | $1,331,000 | -20.6% | 137,800 | -0.4% | 0.00% | -33.3% |
| Q3 2013 | $1,676,000 | +51.1% | 138,420 | 0.0% | 0.00% | +50.0% |
| Q2 2013 | $1,109,000 | – | 138,420 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| QUENTEC ASSET MANAGEMENT LLC | 862,283 | $9,735,000 | 2.96% |
| Invicta Capital Management, LLC | 300,000 | $3,387,000 | 1.87% |
| Irving Magee Investment Management | 293,080 | $3,309,000 | 1.50% |
| Quantitative Systematic Strategies LLC | 109,806 | $1,258,000 | 1.03% |
| AGF Investments America Inc. | 221,200 | $2,497,000 | 0.97% |
| ZEKE CAPITAL ADVISORS, LLC | 83,000 | $937,000 | 0.81% |
| Lisanti Capital Growth, LLC | 154,990 | $1,750,000 | 0.76% |
| Pacific Ridge Capital Partners, LLC | 90,690 | $1,024,000 | 0.70% |
| Cortina Asset Management, LLC | 974,958 | $11,007,000 | 0.40% |
| Lapides Asset Management, LLC | 226,800 | $2,561,000 | 0.36% |