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
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $2,000 | – | 233 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Bandera Partners LLC | 258,256 | $2,337,000 | 1.22% |
| Marquette Asset Management, LLC | 22,385 | $203,000 | 0.05% |
| Ariel Investments | 57,886 | $524,000 | 0.01% |
| Renaissance Technologies | 109,999 | $995,000 | 0.00% |
| WELLS FARGO & COMPANY/MN | 14 | $0 | 0.00% |
| NORTHERN TRUST CORP | 874 | $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 | $104,000 | 0.00% |
| MORGAN STANLEY | 400 | $4,000 | 0.00% |