RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T107.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $4,000 | -87.1% | 950 | -68.2% | 0.00% | -100.0% |
| Q1 2012 | $31,000 | +6.9% | 2,985 | -3.2% | 0.00% | 0.0% |
| Q4 2011 | $29,000 | -14.7% | 3,085 | 0.0% | 0.00% | -50.0% |
| Q3 2011 | $34,000 | -35.8% | 3,085 | -1.8% | 0.00% | 0.0% |
| Q2 2011 | $53,000 | -73.0% | 3,141 | -55.7% | 0.00% | -71.4% |
| Q1 2011 | $196,000 | +7.7% | 7,088 | -17.8% | 0.01% | 0.0% |
| Q4 2010 | $182,000 | -8.1% | 8,619 | -1.0% | 0.01% | -12.5% |
| Q3 2010 | $198,000 | +61.0% | 8,707 | +110.1% | 0.01% | +33.3% |
| Q2 2010 | $123,000 | +46.4% | 4,144 | 0.0% | 0.01% | +100.0% |
| Q1 2010 | $84,000 | +21.7% | 4,144 | +22.0% | 0.00% | 0.0% |
| Q4 2009 | $69,000 | -6.8% | 3,398 | -31.5% | 0.00% | 0.0% |
| Q3 2009 | $74,000 | +29.8% | 4,963 | +25.4% | 0.00% | 0.0% |
| Q2 2009 | $57,000 | +5600.0% | 3,958 | +1598.7% | 0.00% | – |
| Q1 2009 | $1,000 | – | 233 | – | 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% |