| Abbreviation | Definition |
|---|---|
| QIF | Qatar |
| QIFW | Qatar Wts |
| QLI | Queenco(regs) |
| QQ. | Qinetiq |
| QRES | Q Resources |
| QRT | Quarto Group |
| QRT | Quarto Grp. |
| QTED | Qatar Tele. Gdr |
| QYM | Quayle Munro |
| R | Remittance |
| RAB | Rab Cap. |
| RAM | RAM Active Media, P.L.C. Ordinary shares (formerly RAM Investment) |
| RAT | Rathbone Bros |
| RB. | Reckitt Ben. Gp |
| RBN | Robinson |
| RBXD | Ranbaxy Gds Rgs |
| RC2 | Reconstruction |
| RCDO | Ricardo |
| RCG | Rcg Holdings |
| RCP | Rit Capital |