| Q | Quintiles Transitional Holdings | 157.7 | 153.3 | 156.8 | 683.9K | 4.2 | | 2.73 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.12 | 10.11 | 10.11 | 1.1K | -0.02 | | 0.20 | |
| QRED | Quasaredge Acquisition Corp | 9.950 | 9.950 | 9.950 | 136 | 0.040 | | 0.40 | |
| QSR | Restaurant Brands International | 76.63 | 74.48 | 75.37 | 1.76M | -0.87 | | 1.14 | |