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 | ||||
|---|---|---|---|---|---|---|
| Q3 2018 | $1,203,000 | +13.7% | 133,979 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $1,058,000 | +44.5% | 133,979 | +27.3% | 0.00% | 0.0% |
| Q1 2018 | $732,000 | +29.6% | 105,279 | +49.0% | 0.00% | 0.0% |
| Q4 2017 | $565,000 | +35.2% | 70,679 | +39.7% | 0.00% | 0.0% |
| Q3 2017 | $418,000 | -10.7% | 50,579 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $468,000 | – | 50,579 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Roumell Asset Management, LLC | 99,445 | $663,000 | 1.60% |
| Bandera Partners LLC | 258,256 | $2,098,000 | 1.45% |
| Marquette Asset Management, LLC | 4,273 | $34,000 | 0.01% |
| Ariel Investments | 57,087 | $464,000 | 0.01% |
| Bedel Financial Consulting, Inc. | 81 | $1,000 | 0.00% |
| Renaissance Technologies | 122,127 | $992,000 | 0.00% |
| WELLS FARGO & COMPANY/MN | 22 | $0 | 0.00% |
| NORTHERN TRUST CORP | 924 | $7,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 1 | $0 | 0.00% |