| Q | Quintiles Transitional Holdings | 170.1 | 158.5 | 168.9 | 2.23M | 12.1 | | 7.75 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.05 | 10.00 | 10.03 | 3.21M | 0.03 | | 0.25 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.17 | 10.17 | 600 | -0.05 | | 0.49 | |
| QRED | Quasaredge Acquisition Corp | 9.930 | 9.930 | 9.930 | 112 | -0.010 | | 0.10 | |
| QSR | Restaurant Brands International | 75.27 | 73.31 | 73.47 | 1.6M | -0.73 | | 0.98 | |