| Q | Quintiles Transitional Holdings | 134.7 | 126.0 | 130.5 | 2.16M | 7.1 | | 5.75 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.3000 | 0.2840 | 0.3000 | 3.6K | 0.0010 | | 0.33 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.12 | 10.17 | 12.6K | 0.05 | | 0.49 | |
| QSR | Restaurant Brands International | 76.11 | 74.01 | 74.34 | 989.4K | -1.18 | | 1.56 | |