| UCB | United Community Banks Inc | 33.86 | 33.41 | 33.77 | 110.0K | 0.26 | | 0.78 | |
| UDR | United Dominion Realty Trust | 34.02 | 33.42 | 33.68 | 973.2K | -0.11 | | 0.33 | |
| UGP | Ultrapar Participacoes S.A. ADR | 7.720 | 7.565 | 7.585 | 1.35M | -0.075 | | 0.98 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 54.80 | 54.06 | 54.13 | 193.8K | -0.76 | | 1.38 | |
| UHS | Universal Health Services | 184.9 | 178.7 | 178.9 | 146.8K | -2.5 | | 1.39 | |
| UHT | Universal Health Realty Income Trust | 38.76 | 38.27 | 38.48 | 19.0K | 0.19 | | 0.48 | |
| UMC | United Microelectronics Corp ADR | 24.35 | 23.80 | 24.30 | 2.72M | -0.38 | | 1.54 | |
| USA | Liberty All-Star Equity Fund | 5.860 | 5.820 | 5.845 | 393.5K | -0.010 | | 0.17 | |
| USAC | USA Compression Partners LP | 26.24 | 25.27 | 25.45 | 77.8K | -0.42 | | 1.60 | |
| USNA | Usana Health Sciences Inc | 14.39 | 14.00 | 14.26 | 26.7K | 0.22 | | 1.57 | |
| UTF | Cohen & Steers Infrastructure Fund | 24.53 | 24.12 | 24.18 | 191.1K | -0.45 | | 1.81 | |
| UTI | Universal Technical Institute Inc | 20.81 | 20.33 | 20.74 | 359.6K | 0.30 | | 1.47 | |
| UVE | Universal Insurance Holdings Inc | 43.11 | 42.38 | 42.58 | 14.4K | 0.11 | | 0.26 | |
| UZD | United States Cellular Corp 6.250% | 18.32 | 18.21 | 18.31 | 3.2K | -0.15 | | 0.79 | |
| UZE | United States Cellular Corp | 16.47 | 16.15 | 16.47 | 2.5K | 0.13 | | 0.81 | |
| UZF | United States Cellular Corp 5.500% | 16.42 | 16.37 | 16.37 | 200 | 0.02 | | 0.09 | |