| UCB | United Community Banks Inc | 35.98 | 34.98 | 35.38 | 248.4K | -0.51 | | 1.42 | |
| UDR | United Dominion Realty Trust | 39.63 | 37.74 | 39.48 | 3.01M | 1.73 | | 4.58 | |
| UGP | Ultrapar Participacoes S.A. ADR | 5.160 | 5.060 | 5.140 | 884.5K | -0.020 | | 0.39 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 45.70 | 44.18 | 45.05 | 1.18M | -0.62 | | 1.36 | |
| UHS | Universal Health Services | 215.1 | 211.0 | 212.6 | 104.8K | -0.4 | | 0.17 | |
| UHT | Universal Health Realty Income Trust | 42.86 | 41.75 | 42.53 | 17.1K | 0.08 | | 0.18 | |
| UMC | United Microelectronics Corp ADR | 10.070 | 9.900 | 9.940 | 3.98M | -0.110 | | 1.09 | |
| USA | Liberty All-Star Equity Fund | 6.080 | 6.040 | 6.045 | 890.9K | -0.005 | | 0.08 | |
| USAC | USA Compression Partners LP | 26.80 | 25.99 | 26.42 | 118.0K | -0.30 | | 1.12 | |
| USNA | Usana Health Sciences Inc | 22.06 | 21.00 | 21.57 | 27.9K | 0.37 | | 1.73 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.53 | 26.21 | 26.46 | 264.7K | 0.08 | | 0.30 | |
| UTI | Universal Technical Institute Inc | 27.03 | 26.13 | 27.01 | 259.0K | 0.71 | | 2.70 | |
| UVE | Universal Insurance Holdings Inc | 31.70 | 30.52 | 31.66 | 44.8K | 1.10 | | 3.60 | |
| UZD | United States Cellular Corp 6.250% | 20.78 | 20.60 | 20.74 | 1.0K | -0.01 | | 0.06 | |
| UZE | United States Cellular Corp | 18.53 | 18.38 | 18.44 | 6.3K | 0.06 | | 0.30 | |
| UZF | United States Cellular Corp 5.500% | 18.55 | 18.40 | 18.54 | 3.8K | 0.14 | | 0.76 | |