| Q | Quintiles Transitional Holdings | 127.8 | 123.5 | 125.7 | 342.3K | 0.7 | | 0.56 | |
| QLEP | Quantum Leap Acquisition Corp | 10.06 | 10.01 | 10.04 | 76.4K | -0.01 | | 0.10 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2100 | 0.2000 | 0.2000 | 1.1K | -0.0001 | | 0.05 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.27 | 10.06 | 10.27 | 500 | -0.01 | | 0.10 | |
| QRED | Quasaredge Acquisition Corp | 10.06 | 10.05 | 10.05 | 7.9K | 0.01 | | 0.05 | |
| QSR | Restaurant Brands International | 71.87 | 70.65 | 71.49 | 808.9K | 0.05 | | 0.07 | |