| Q | Quintiles Transitional Holdings | 144.1 | 140.0 | 142.2 | 379.7K | -0.3 | | 0.20 | |
| QLEP | Quantum Leap Acquisition Corp | 10.000 | 10.000 | 10.000 | 7.0K | -0.005 | | 0.05 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.3014 | 0.2750 | 0.3000 | 26.5K | 0.0002 | | 0.07 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.12 | 10.17 | 12.6K | 0.05 | | 0.49 | |
| QSR | Restaurant Brands International | 77.73 | 76.70 | 77.62 | 1.23M | 1.05 | | 1.37 | |