| Q | Quintiles Transitional Holdings | 135.9 | 128.7 | 128.8 | 681.3K | -4.6 | | 3.48 | |
| QRE- | Quasaredge Acquisition Corp Ord [Qredr] | 0.3000 | 0.3000 | 0.3000 | 500 | 0.0499 | | 19.95 | |
| QRED | Quasaredge Acquisition Corp | 10.02 | 10.01 | 10.02 | 90.9K | 0.02 | | 0.20 | |
| QSR | Restaurant Brands International | 81.02 | 79.19 | 80.86 | 1.67M | 1.31 | | 1.65 | |