RUBICON TECHNOLOGY INC's ticker is RBCN and the CUSIP is 78112T206. A total of 20 filers reported holding RUBICON TECHNOLOGY INC in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | – |
| Q4 2021 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | – |
| Q3 2021 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | – |
| Q2 2021 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | – |
| Q3 2020 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | -100.0% |
| Q2 2020 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | 0.0% |
| Q4 2018 | $1,000 | – | 81 | 0.0% | 0.00% | – |
| Q3 2018 | $0 | -100.0% | 81 | 0.0% | 0.00% | -100.0% |
| Q2 2018 | $1,000 | 0.0% | 81 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $1,000 | – | 81 | – | 0.00% | – |
Download | ||||||
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% |