| Q | Quintiles Transitional Holdings | 145.4 | 139.7 | 143.8 | 631.4K | 0.4 | | 0.26 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.05 | 10.01 | 10.03 | 135.4K | 0.01 | | 0.05 | |
| QLEP | Quantum Leap Acquisition Corp | 9.990 | 9.990 | 9.990 | 700 | 0.060 | | 0.60 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2750 | 0.2675 | 0.2725 | 39.2K | 0.0025 | | 0.93 | |
| QSR | Restaurant Brands International | 75.99 | 74.66 | 75.27 | 943.1K | 0.33 | | 0.44 | |