| UCB | United Community Banks Inc | 31.51 | 30.73 | 31.50 | 177.7K | 0.28 | | 0.90 | |
| UDR | United Dominion Realty Trust | 36.81 | 36.30 | 36.80 | 827.5K | 0.12 | | 0.31 | |
| UGP | Ultrapar Participacoes S.A. ADR | 3.910 | 3.800 | 3.815 | 1.17M | 0.045 | | 1.19 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 47.26 | 46.66 | 46.74 | 251.3K | -0.53 | | 1.12 | |
| UHS | Universal Health Services | 220.1 | 215.1 | 220.0 | 156.6K | 1.9 | | 0.89 | |
| UHT | Universal Health Realty Income Trust | 39.25 | 38.55 | 39.22 | 14.3K | 0.01 | | 0.01 | |
| UMC | United Microelectronics Corp ADR | 8.100 | 7.760 | 7.890 | 4.97M | 0.030 | | 0.38 | |
| USA | Liberty All-Star Equity Fund | 6.340 | 6.220 | 6.245 | 893.8K | -0.035 | | 0.56 | |
| USAC | USA Compression Partners LP | 23.74 | 22.88 | 23.74 | 110.2K | 0.74 | | 3.22 | |
| USNA | Usana Health Sciences Inc | 19.72 | 19.28 | 19.61 | 29.5K | -0.03 | | 0.13 | |
| UTF | Cohen & Steers Infrastructure Fund | 24.49 | 24.14 | 24.45 | 388.9K | 0.34 | | 1.41 | |
| UTI | Universal Technical Institute Inc | 26.58 | 25.21 | 25.34 | 236.2K | -0.79 | | 3.02 | |
| UVE | Universal Insurance Holdings Inc | 33.89 | 31.29 | 31.70 | 70.5K | -2.10 | | 6.21 | |
| UWM.W | Uwm Hldg Corp WT [Uwmc/W] | 0.0086 | 0.0052 | 0.0061 | 465.7K | -0.0042 | | 40.78 | |
| UZD | United States Cellular Corp 6.250% | 20.40 | 20.16 | 20.29 | 2.2K | 0.14 | | 0.69 | |
| UZE | United States Cellular Corp | 18.01 | 17.76 | 17.96 | 4.1K | 0.15 | | 0.83 | |
| UZF | United States Cellular Corp 5.500% | 17.94 | 17.73 | 17.85 | 3.9K | 0.17 | | 0.96 | |