| Q | Quintiles Transitional Holdings | 124.3 | 121.3 | 123.9 | 211.8K | 0.6 | | 0.49 | |
| QLEP | Quantum Leap Acquisition Corp | 9.990 | 9.990 | 9.990 | 100 | -0.006 | | 0.06 | |
| QRE.U | Quasaredge Acquisition Corp Unit | 10.28 | 10.28 | 10.28 | 500 | 0.11 | | 1.08 | |
| QSR | Restaurant Brands International | 78.27 | 77.03 | 77.71 | 250.7K | -0.57 | | 0.72 | |