| Name | TIDM | ISIN | Watchlist |
|---|---|---|---|
 U.S. Gold Corp. | USAU | US90291C2017 | |
| UBCP | UBCP | US9099111091 | |
| UCAR | UCAR | ||
| UCFIW | UCFIW | ||
| UFG | UFG | ||
 UFP Technologies, Inc. | UFPT | US9026731029 | |
| UK | UK | ||
| UNCY | UNCY | US90466Y2028 | |
| UPC | UPC | ||
 Upexi, Inc. | UPXI | US39959A2050 | |
 Urban One, Inc. | UONE | US91705J3032 | |
| UROY | UROY | US91702V1017 | |
| USDE | USDE | US85238K1007 | |
| USDEW | USDEW | US85238K1189 | |
| USEA | USEA | ||
| USGO | USGO | US90291W1080 | |
| UYSC | UYSC | ||
| UYSCR | UYSCR | ||
| UYSCU | UYSCU | ||
| UZX | UZX |