| Q | Quintiles Transitional Holdings | 139.0 | 135.7 | 138.0 | 632.0K | 4.6 | | 3.47 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2900 | 0.2895 | 0.2895 | 2.7K | -0.0105 | | 3.50 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.12 | 10.17 | 12.6K | 0.05 | | 0.49 | |
| QSR | Restaurant Brands International | 74.43 | 72.47 | 73.86 | 1.53M | 0.97 | | 1.33 | |