| Q | Quintiles Transitional Holdings | 158.0 | 145.6 | 149.0 | 867.6K | -8.2 | | 5.22 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.030 | 10.000 | 10.000 | 90.1K | -0.006 | | 0.06 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.15 | 10.11 | 10.11 | 5.5K | 0.02 | | 0.20 | |
| QRED | Quasaredge Acquisition Corp | 9.910 | 9.900 | 9.910 | 9.1K | -0.010 | | 0.10 | |
| QSR | Restaurant Brands International | 76.46 | 74.85 | 75.69 | 1.06M | -0.15 | | 0.20 | |