RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206. A total of 25 filers reported holding RUBICON TECHNOLOGY INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $177,000 | -0.6% | 21,402 | -3.1% | 0.00% | 0.0% |
| Q1 2019 | $178,000 | +1.7% | 22,076 | -0.5% | 0.00% | 0.0% |
| Q4 2018 | $175,000 | -27.4% | 22,176 | -17.7% | 0.00% | -33.3% |
| Q3 2018 | $241,000 | -20.5% | 26,932 | -30.0% | 0.00% | -25.0% |
| Q2 2018 | $303,000 | +13.5% | 38,490 | 0.0% | 0.00% | +33.3% |
| Q1 2018 | $267,000 | 0.0% | 38,490 | +14.9% | 0.00% | 0.0% |
| Q4 2017 | $267,000 | -3.3% | 33,490 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $276,000 | -11.0% | 33,490 | 0.0% | 0.00% | -25.0% |
| Q2 2017 | $310,000 | – | 33,490 | – | 0.00% | – |
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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% |