| Q | Quintiles Transitional Holdings | 144.0 | 141.1 | 142.4 | 470.8K | 4.2 | | 3.02 | |
| QLEP | Quantum Leap Acquisition Corp | 10.01 | 10.00 | 10.01 | 408 | -0.01 | | 0.05 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2937 | 0.2860 | 0.2860 | 22.8K | -0.0035 | | 1.21 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.12 | 10.17 | 12.6K | 0.05 | | 0.49 | |
| QRED | Quasaredge Acquisition Corp | 10.02 | 10.00 | 10.01 | 29.6K | 0.00 | | 0.00 | |
| QSR | Restaurant Brands International | 74.89 | 73.24 | 74.74 | 542.6K | 1.41 | | 1.92 | |