| UCB | United Community Banks Inc | 31.33 | 30.37 | 30.66 | 357.7K | 0.54 | | 1.79 | |
| UDR | United Dominion Realty Trust | 35.53 | 34.11 | 34.26 | 2.71M | 0.15 | | 0.44 | |
| UGP | Ultrapar Participacoes S.A. ADR | 5.280 | 4.990 | 5.210 | 3.88M | 0.290 | | 5.91 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 42.22 | 40.86 | 42.09 | 429.5K | 2.18 | | 5.46 | |
| UHS | Universal Health Services | 191.4 | 185.8 | 188.2 | 269.4K | 2.3 | | 1.22 | |
| UHT | Universal Health Realty Income Trust | 41.13 | 39.74 | 40.64 | 42.8K | 0.20 | | 0.49 | |
| UMC | United Microelectronics Corp ADR | 9.259 | 8.880 | 9.075 | 6.07M | -0.030 | | 0.33 | |
| USA | Liberty All-Star Equity Fund | 5.650 | 5.500 | 5.585 | 1.32M | 0.080 | | 1.45 | |
| USAC | USA Compression Partners LP | 28.88 | 27.86 | 27.90 | 209.6K | -0.70 | | 2.44 | |
| USNA | Usana Health Sciences Inc | 17.79 | 16.99 | 17.38 | 60.4K | 0.47 | | 2.78 | |
| UTF | Cohen & Steers Infrastructure Fund | 25.51 | 25.10 | 25.19 | 299.7K | 0.08 | | 0.32 | |
| UTI | Universal Technical Institute Inc | 38.17 | 35.19 | 38.08 | 336.0K | 2.70 | | 7.64 | |
| UVE | Universal Insurance Holdings Inc | 34.44 | 33.00 | 34.20 | 69.3K | 1.05 | | 3.17 | |
| UZD | United States Cellular Corp 6.250% | 20.19 | 19.97 | 20.17 | 1.5K | 0.37 | | 1.87 | |
| UZE | United States Cellular Corp | 17.97 | 17.51 | 17.80 | 2.2K | 0.24 | | 1.37 | |
| UZF | United States Cellular Corp 5.500% | 17.97 | 17.69 | 17.69 | 2.3K | 0.12 | | 0.68 | |