| Abbreviation | Definition |
|---|---|
| QLT | QLT Incorporated (de-listed) |
| QLT | QLT Incorporated (de-listed) |
| QMI | Queenston Mining Inc. |
| QMI | Queenston Mining Incorporated (de-listed) |
| QMI | Queenston Mining Incorporated (de-listed) |
| QSR | Priszm Income Fund |
| QUX | Quadra FNX Mining Ltd. |
| QUX | Quadra FNX Mining, LTD. |
| R | Red Eagle Mining Corporation (formerly Romarco Minerals Incorporated) |
| R | Romarco Minerals Inc. |
| RAV | Ravensource Fund |
| RBA | Ritchie Bros. Auctioneers Incorporated |
| RBM | Response Biomedical Corp. |
| RBN | Blue Ribbon Income Fund |
| RBS | R Split III Corporation Capital |
| RC | RDM Corporation |
| RCB | Red Crescent Resources Limited |
| RCH | Richelieu Hardware Ltd. |
| RCH | Richelieu Hardware, LTD. |
| RCI | Rogers Communications Inc. |