| UCB | United Community Banks Inc | 34.84 | 33.81 | 34.21 | 433.0K | 0.79 | | 2.35 | |
| UDR | United Dominion Realty Trust | 35.22 | 34.21 | 35.19 | 1.06M | 0.96 | | 2.80 | |
| UGP | Ultrapar Participacoes S.A. ADR | 6.110 | 5.882 | 5.905 | 2.38M | -0.125 | | 2.07 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 48.14 | 46.94 | 47.78 | 244.1K | 0.69 | | 1.47 | |
| UHS | Universal Health Services | 183.5 | 178.2 | 182.8 | 124.9K | 4.0 | | 2.24 | |
| UHT | Universal Health Realty Income Trust | 44.04 | 42.50 | 42.86 | 9.9K | 0.60 | | 1.41 | |
| UMC | United Microelectronics Corp ADR | 11.98 | 11.35 | 11.64 | 12.06M | 1.03 | | 9.71 | |
| USA | Liberty All-Star Equity Fund | 5.840 | 5.710 | 5.817 | 966.4K | 0.047 | | 0.82 | |
| USAC | USA Compression Partners LP | 26.57 | 25.88 | 26.57 | 79.5K | -0.10 | | 0.37 | |
| USNA | Usana Health Sciences Inc | 20.28 | 19.28 | 19.92 | 49.0K | 0.86 | | 4.49 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.68 | 26.31 | 26.55 | 205.1K | 0.06 | | 0.23 | |
| UTI | Universal Technical Institute Inc | 38.75 | 37.19 | 38.74 | 153.7K | 1.16 | | 3.09 | |
| UVE | Universal Insurance Holdings Inc | 36.15 | 34.71 | 35.75 | 70.8K | 0.90 | | 2.58 | |
| UZD | United States Cellular Corp 6.250% | 20.30 | 20.03 | 20.23 | 8.1K | -0.01 | | 0.05 | |
| UZE | United States Cellular Corp | 18.29 | 18.13 | 18.15 | 1.7K | 0.02 | | 0.11 | |
| UZF | United States Cellular Corp 5.500% | 18.39 | 18.04 | 18.07 | 4.1K | 0.01 | | 0.06 | |