RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2022 | $223,282 | -18.8% | 128,323 | 0.0% | 0.11% | -7.8% |
| Q3 2022 | $275,000 | -88.4% | 128,323 | -50.3% | 0.12% | -87.7% |
| Q2 2022 | $2,373,000 | -1.0% | 258,256 | 0.0% | 0.93% | +30.8% |
| Q1 2022 | $2,397,000 | +3.5% | 258,256 | 0.0% | 0.71% | -13.8% |
| Q4 2021 | $2,317,000 | -11.1% | 258,256 | 0.0% | 0.83% | -21.2% |
| Q3 2021 | $2,606,000 | +6.2% | 258,256 | 0.0% | 1.05% | +9.4% |
| Q2 2021 | $2,453,000 | -8.0% | 258,256 | 0.0% | 0.96% | -8.3% |
| Q1 2021 | $2,665,000 | +14.0% | 258,256 | 0.0% | 1.05% | -14.0% |
| Q4 2020 | $2,337,000 | +6.5% | 258,256 | 0.0% | 1.22% | -14.9% |
| Q3 2020 | $2,195,000 | +4.6% | 258,256 | 0.0% | 1.43% | -1.5% |
| Q2 2020 | $2,098,000 | +5.3% | 258,256 | 0.0% | 1.45% | -13.4% |
| Q1 2020 | $1,993,000 | -7.3% | 258,256 | 0.0% | 1.68% | +31.2% |
| Q4 2019 | $2,149,000 | -13.1% | 258,256 | 0.0% | 1.28% | -17.8% |
| Q3 2019 | $2,472,000 | +15.3% | 258,256 | 0.0% | 1.56% | +22.3% |
| Q2 2019 | $2,144,000 | +2.9% | 258,256 | 0.0% | 1.27% | -1.4% |
| Q1 2019 | $2,084,000 | +2.2% | 258,256 | 0.0% | 1.29% | -13.0% |
| Q4 2018 | $2,040,000 | -12.0% | 258,256 | 0.0% | 1.48% | -1.2% |
| Q3 2018 | $2,319,000 | +13.8% | 258,256 | 0.0% | 1.50% | -0.5% |
| Q2 2018 | $2,038,000 | +13.5% | 258,256 | 0.0% | 1.51% | +12.4% |
| Q1 2018 | $1,795,000 | -12.9% | 258,256 | 0.0% | 1.34% | -21.0% |
| Q4 2017 | $2,061,000 | +584.7% | 258,256 | +608.1% | 1.70% | +546.0% |
| Q3 2017 | $301,000 | – | 36,472 | – | 0.26% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Bandera Partners LLC | 128,323 | $275,000 | 0.12% |
| Ellsworth Advisors, LLC | 25,127 | $54,000 | 0.02% |
| CSS LLC/IL | 46,654 | $100,000 | 0.01% |
| WELLS FARGO & COMPANY/MN | 11 | $0 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 1 | $0 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | 10,419 | $22,000 | 0.00% |
| MILLENNIUM MANAGEMENT LLC | 10,529 | $23,000 | 0.00% |
| AMERIPRISE FINANCIAL INC | 35,339 | $76,000 | 0.00% |
| CREDIT SUISSE AG/ | 26 | $0 | 0.00% |