RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206. A total of 19 filers reported holding RUBICON TECHNOLOGY INC in Q4 2020. 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 | $2,606,000 | 1.05% |
| Marquette Asset Management, LLC | 22,385 | $228,000 | 0.05% |
| JBF Capital, Inc. | 2,866 | $29,000 | 0.01% |
| Renaissance Technologies | 103,579 | $1,051,000 | 0.00% |
| WELLS FARGO & COMPANY/MN | 14 | $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 | 11,566 | $117,000 | 0.00% |
| MORGAN STANLEY | 757 | $8,000 | 0.00% |
| BlackRock Inc. | 41,042 | $414,000 | 0.00% |