| Q | Quintiles Transitional Holdings | 139.7 | 134.1 | 135.1 | 931.7K | -3.6 | | 2.60 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.3000 | 0.2920 | 0.2990 | 4.1K | 0.0070 | | 2.40 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.12 | 10.17 | 12.6K | 0.05 | | 0.49 | |
| QRED | Quasaredge Acquisition Corp | 9.990 | 9.985 | 9.985 | 1.2K | 0.005 | | 0.05 | |
| QSR | Restaurant Brands International | 73.22 | 72.46 | 72.47 | 751.0K | 0.09 | | 0.12 | |