| Q | Quintiles Transitional Holdings | 119.1 | 114.4 | 118.5 | 850.2K | 0.8 | | 0.66 | |
| QLEP | Quantum Leap Acquisition Corp | 10.000 | 9.970 | 10.000 | 600 | -0.006 | | 0.06 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.28 | 10.28 | 10.28 | 500 | 0.11 | | 1.08 | |
| QSR | Restaurant Brands International | 81.75 | 79.54 | 80.26 | 1.73M | 1.39 | | 1.76 | |