| UCB | United Community Banks Inc | 36.32 | 35.62 | 36.15 | 277.2K | 0.31 | | 0.87 | |
| UDR | United Dominion Realty Trust | 38.62 | 38.08 | 38.56 | 2.37M | -0.14 | | 0.36 | |
| UGP | Ultrapar Participacoes S.A. ADR | 6.530 | 6.310 | 6.335 | 2.45M | -0.170 | | 2.62 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 64.97 | 62.91 | 64.67 | 347.5K | 1.12 | | 1.76 | |
| UHS | Universal Health Services | 168.0 | 163.2 | 167.9 | 264.7K | -1.2 | | 0.69 | |
| UHT | Universal Health Realty Income Trust | 42.91 | 41.88 | 42.17 | 71.8K | -0.42 | | 0.99 | |
| UMC | United Microelectronics Corp ADR | 20.85 | 18.28 | 20.63 | 12.67M | 1.94 | | 10.38 | |
| USA | Liberty All-Star Equity Fund | 5.990 | 5.850 | 5.970 | 1.57M | 0.050 | | 0.85 | |
| USAC | USA Compression Partners LP | 26.40 | 25.64 | 26.28 | 148.4K | 0.62 | | 2.41 | |
| USNA | Usana Health Sciences Inc | 23.28 | 22.54 | 22.82 | 41.9K | -0.06 | | 0.26 | |
| UTF | Cohen & Steers Infrastructure Fund | 27.71 | 27.31 | 27.55 | 285.5K | -0.13 | | 0.47 | |
| UTI | Universal Technical Institute Inc | 42.56 | 41.21 | 42.21 | 174.6K | 0.91 | | 2.20 | |
| UVE | Universal Insurance Holdings Inc | 44.40 | 43.45 | 44.25 | 67.9K | 0.04 | | 0.09 | |
| UZD | United States Cellular Corp 6.250% | 19.34 | 19.15 | 19.20 | 2.9K | 0.06 | | 0.30 | |
| UZE | United States Cellular Corp | 16.94 | 16.82 | 16.93 | 7.6K | 0.14 | | 0.83 | |
| UZF | United States Cellular Corp 5.500% | 16.92 | 16.89 | 16.92 | 1.8K | -0.01 | | 0.07 | |