| Abbreviation | Definition |
|---|---|
| ULT | Ultrasis |
| ULVR | Unilever |
| UMC | Umeco |
| UNG | Universe Group |
| UNG | Universe Grp. |
| UNIQ | Uniq |
| URA | Uranium Res |
| URKA | Jsc Ural. S |
| URU | Uru Metals |
| USE | Us Enhanced In |
| USEB | Us Enhanced B |
| USH | Us High Inc.a |
| USHD | Us High Inc.b |
| USPC | Global Spec.cap |
| USPI | Global Spec.inc |
| USPU | Global Spec.uts |
| USY | Unisys Com Stk |
| UTG | Unite Group |
| UTL | Utilico |
| UTLX | Utilico 12 Wts |