| Q | Quintiles Transitional Holdings | 137.7 | 128.8 | 131.2 | 813.2K | 0.7 | | 0.51 | |
| QLEP | Quantum Leap Acquisition Corp | 9.990 | 9.980 | 9.990 | 254.8K | 0.010 | | 0.10 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.12 | 10.17 | 12.6K | 0.05 | | 0.49 | |
| QSR | Restaurant Brands International | 74.44 | 73.54 | 74.00 | 1.12M | -0.32 | | 0.43 | |