| Q | Quintiles Transitional Holdings | 111.5 | 105.0 | 109.8 | 1.11M | 1.1 | | 0.97 | |
| QLEP | Quantum Leap Acquisition Corp | 10.07 | 10.05 | 10.07 | 6.2K | 0.01 | | 0.10 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.1982 | 0.1982 | 0.1982 | 11.5K | -0.0217 | | 9.87 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.22 | 10.22 | 10.22 | 3.5K | -0.05 | | 0.49 | |
| QRED | Quasaredge Acquisition Corp | 10.08 | 10.08 | 10.08 | 1.0K | -0.01 | | 0.10 | |
| QSR | Restaurant Brands International | 76.50 | 74.42 | 75.34 | 1.27M | -1.07 | | 1.40 | |