| Q | Quintiles Transitional Holdings | 84.59 | 78.35 | 78.91 | 1.7M | -5.86 | | 6.91 | |
| QBT.W | Dwave Quantum Inc WT [Qbts/W] | 23.17 | 20.67 | 21.62 | 309.5K | -0.96 | | 4.25 | |
| QSR | Restaurant Brands International | 71.12 | 70.47 | 70.86 | 1.72M | 0.42 | | 0.60 | |
| QVCC | Qvc Inc 6.250% Senior Secured Notes Due | 9.240 | 8.700 | 8.790 | 128.6K | -0.400 | | 4.35 | |
| QVCD | Qvc Inc 6.375% Senior Secured Notes Due | 9.207 | 9.000 | 9.000 | 19.0K | -0.140 | | 1.52 | |