| Q | Quintiles Transitional Holdings | 120.0 | 112.5 | 118.9 | 1.91M | -0.1 | | 0.09 | |
| QLEP | Quantum Leap Acquisition Corp | 10.09 | 10.07 | 10.07 | 1.1K | -0.02 | | 0.20 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2200 | 0.1900 | 0.2200 | 41.0K | 0.0300 | | 15.79 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.22 | 10.22 | 10.22 | 3.5K | -0.05 | | 0.49 | |
| QRED | Quasaredge Acquisition Corp | 10.10 | 10.09 | 10.10 | 3.1K | 0.01 | | 0.10 | |
| QSR | Restaurant Brands International | 78.71 | 75.66 | 78.39 | 2.57M | 4.07 | | 5.48 | |