| Q | Quintiles Transitional Holdings | 161.0 | 154.5 | 156.0 | 669.1K | -3.0 | | 1.86 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.02 | 10.00 | 10.02 | 1.0K | 0.02 | | 0.15 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2000 | 0.2000 | 0.2000 | 300 | -0.0400 | | 16.67 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.23 | 10.15 | 10.15 | 2.0K | 0.00 | | 0.00 | |
| QRED | Quasaredge Acquisition Corp | 9.950 | 9.950 | 9.950 | 909 | 0.020 | | 0.20 | |
| QSR | Restaurant Brands International | 75.34 | 73.79 | 74.69 | 1.43M | 0.39 | | 0.52 | |