RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206. A total of 22 filers reported holding RUBICON TECHNOLOGY INC in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
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% |