| Q | Quintiles Transitional Holdings | 154.9 | 149.6 | 150.9 | 228.6K | -2.2 | | 1.43 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.05 | 9.99 | 10.05 | 32.3K | 0.03 | | 0.30 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.22 | 10.11 | 10.11 | 22.0K | 0.00 | | 0.00 | |
| QRED | Quasaredge Acquisition Corp | 9.950 | 9.950 | 9.950 | 136 | 0.040 | | 0.40 | |
| QSR | Restaurant Brands International | 77.00 | 74.79 | 75.56 | 563.3K | -0.96 | | 1.25 | |