| UCB | United Community Banks Inc | 35.67 | 34.91 | 35.29 | 670.8K | 0.14 | | 0.40 | |
| UDR | United Dominion Realty Trust | 35.45 | 35.00 | 35.12 | 3.4M | -0.02 | | 0.06 | |
| UGP | Ultrapar Participacoes S.A. ADR | 7.609 | 7.425 | 7.450 | 4.54M | -0.110 | | 1.46 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 56.91 | 55.65 | 56.44 | 167.2K | 0.20 | | 0.36 | |
| UHS | Universal Health Services | 177.0 | 173.3 | 174.8 | 519.0K | 2.1 | | 1.22 | |
| UHT | Universal Health Realty Income Trust | 41.62 | 40.33 | 40.40 | 91.8K | -0.72 | | 1.75 | |
| UMC | United Microelectronics Corp ADR | 22.72 | 22.32 | 22.64 | 7.19M | 0.52 | | 2.35 | |
| USA | Liberty All-Star Equity Fund | 5.910 | 5.870 | 5.880 | 952.0K | 0.030 | | 0.51 | |
| USAC | USA Compression Partners LP | 27.93 | 27.58 | 27.64 | 525.2K | -0.13 | | 0.47 | |
| USNA | Usana Health Sciences Inc | 15.10 | 14.74 | 15.02 | 242.0K | 0.19 | | 1.28 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.20 | 25.75 | 25.93 | 284.6K | 0.01 | | 0.04 | |
| UTI | Universal Technical Institute Inc | 21.02 | 20.18 | 20.31 | 1.9M | -0.29 | | 1.41 | |
| UVE | Universal Insurance Holdings Inc | 44.60 | 43.60 | 44.33 | 132.0K | 0.11 | | 0.25 | |
| UZD | United States Cellular Corp 6.250% | 18.59 | 18.31 | 18.51 | 4.7K | 0.20 | | 1.09 | |
| UZE | United States Cellular Corp | 16.38 | 16.00 | 16.30 | 11.5K | 0.10 | | 0.62 | |
| UZF | United States Cellular Corp 5.500% | 16.27 | 16.22 | 16.27 | 2.1K | 0.04 | | 0.24 | |