| Q | Quintiles Transitional Holdings | 130.0 | 125.5 | 126.3 | 500.9K | 0.2 | | 0.12 | |
| QLEP | Quantum Leap Acquisition Corp | 10.03 | 10.01 | 10.01 | 13.1K | -0.02 | | 0.20 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.2605 | 0.2600 | 0.2600 | 1.1K | 0.0099 | | 3.96 | |
| QRED | Quasaredge Acquisition Corp | 11.69 | 10.03 | 10.03 | 71.1K | 0.01 | | 0.10 | |
| QSR | Restaurant Brands International | 80.10 | 77.90 | 78.08 | 1.06M | -1.19 | | 1.50 | |