| Q | Quintiles Transitional Holdings | 140.1 | 136.2 | 138.8 | 616.5K | 4.2 | | 3.12 | |
| QLE.U | Quantum Leap Acquisition Corp Units | 10.05 | 10.01 | 10.03 | 135.4K | 0.01 | | 0.05 | |
| QLEP | Quantum Leap Acquisition Corp | 9.970 | 9.960 | 9.960 | 3.0K | -0.010 | | 0.10 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.3000 | 0.2920 | 0.2990 | 4.1K | 0.0070 | | 2.40 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.17 | 10.12 | 10.17 | 12.6K | 0.05 | | 0.49 | |
| QRED | Quasaredge Acquisition Corp | 9.990 | 9.985 | 9.985 | 1.1K | 0.005 | | 0.05 | |
| QSR | Restaurant Brands International | 74.48 | 73.31 | 73.81 | 1.06M | -0.14 | | 0.19 | |