| Q | Quintiles Transitional Holdings | 119.7 | 117.1 | 118.9 | 115.6K | 1.8 | | 1.53 | |
| QLEP | Quantum Leap Acquisition Corp | 10.05 | 10.05 | 10.05 | 100 | 0.02 | | 0.20 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2599 | 0.2599 | 0.2599 | 200 | -0.0001 | | 0.04 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.28 | 10.28 | 10.28 | 500 | 0.11 | | 1.08 | |
| QSR | Restaurant Brands International | 73.29 | 72.00 | 72.16 | 281.6K | -1.14 | | 1.56 | |