| Q | Quintiles Transitional Holdings | 119.8 | 116.2 | 117.2 | 498.7K | 2.3 | | 1.98 | |
| QLEP | Quantum Leap Acquisition Corp | 10.03 | 9.99 | 10.03 | 1.6K | 0.03 | | 0.30 | |
| 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 | 72.65 | 72.65 | 72.65 | 100 | -0.64 | | 0.88 | |