| Q | Quintiles Transitional Holdings | 120.3 | 112.0 | 116.7 | 1.33M | -6.0 | | 4.88 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.1850 | 0.1850 | 0.1850 | 100 | -0.0132 | | 6.66 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.22 | 10.22 | 10.22 | 3.5K | -0.05 | | 0.49 | |
| QSR | Restaurant Brands International | 74.14 | 72.12 | 72.40 | 2.89M | -0.60 | | 0.82 | |