RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206. A total of 21 filers reported holding RUBICON TECHNOLOGY INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Bandera Partners LLC | 258,256 | $2,195,000 | 1.43% |
| Marquette Asset Management, LLC | 4,273 | $36,000 | 0.01% |
| Ariel Investments | 57,087 | $485,000 | 0.01% |
| JBF Capital, Inc. | 2,866 | $24,000 | 0.00% |
| Renaissance Technologies | 114,899 | $977,000 | 0.00% |
| WELLS FARGO & COMPANY/MN | 14 | $0 | 0.00% |
| NORTHERN TRUST CORP | 894 | $8,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 1 | $0 | 0.00% |
| GEODE CAPITAL MANAGEMENT, LLC | 11,566 | $98,000 | 0.00% |