| UCB | United Community Banks Inc | 30.09 | 29.45 | 29.89 | 345.0K | 0.18 | | 0.61 | |
| UDR | United Dominion Realty Trust | 35.58 | 35.07 | 35.24 | 2.03M | -0.12 | | 0.33 | |
| UGP | Ultrapar Participacoes S.A. ADR | 5.155 | 4.820 | 5.105 | 4.13M | 0.090 | | 1.79 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 43.73 | 42.58 | 42.60 | 457.8K | 0.19 | | 0.45 | |
| UHS | Universal Health Services | 189.2 | 185.9 | 187.3 | 338.2K | -2.4 | | 1.24 | |
| UHT | Universal Health Realty Income Trust | 43.55 | 42.29 | 42.64 | 55.1K | -0.52 | | 1.20 | |
| UMC | United Microelectronics Corp ADR | 9.305 | 8.990 | 9.250 | 4.81M | -0.040 | | 0.43 | |
| USA | Liberty All-Star Equity Fund | 5.640 | 5.580 | 5.600 | 649.0K | -0.041 | | 0.73 | |
| USAC | USA Compression Partners LP | 28.90 | 28.01 | 28.54 | 199.0K | 0.29 | | 1.01 | |
| USNA | Usana Health Sciences Inc | 17.45 | 16.83 | 17.18 | 84.2K | 0.09 | | 0.50 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.09 | 25.59 | 25.63 | 276.2K | -0.32 | | 1.23 | |
| UTI | Universal Technical Institute Inc | 37.65 | 35.42 | 37.26 | 504.7K | 1.28 | | 3.56 | |
| UVE | Universal Insurance Holdings Inc | 33.79 | 32.90 | 32.90 | 89.1K | -0.44 | | 1.32 | |
| UZD | United States Cellular Corp 6.250% | 20.38 | 20.15 | 20.22 | 7.0K | -0.09 | | 0.45 | |
| UZE | United States Cellular Corp | 18.04 | 17.62 | 17.68 | 3.9K | -0.37 | | 2.05 | |
| UZF | United States Cellular Corp 5.500% | 18.02 | 17.60 | 17.81 | 14.0K | -0.19 | | 1.06 | |