| Q | Quintiles Transitional Holdings | 123.8 | 120.4 | 122.6 | 199.7K | 0.8 | | 0.66 | |
| QLEP | Quantum Leap Acquisition Corp | 9.990 | 9.990 | 9.990 | 100 | -0.020 | | 0.20 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2181 | 0.2181 | 0.2181 | 200 | -0.0236 | | 9.76 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.27 | 10.06 | 10.27 | 500 | -0.01 | | 0.10 | |
| QRED | Quasaredge Acquisition Corp | 10.05 | 10.04 | 10.05 | 4.1K | 0.01 | | 0.05 | |
| QSR | Restaurant Brands International | 74.00 | 72.62 | 72.77 | 361.5K | 0.21 | | 0.29 | |