| UCB | United Community Banks Inc | 33.43 | 32.84 | 33.04 | 403.4K | -0.24 | | 0.72 | |
| UDR | United Dominion Realty Trust | 37.43 | 36.45 | 36.82 | 3.4M | -0.50 | | 1.34 | |
| UGP | Ultrapar Participacoes S.A. ADR | 3.990 | 3.880 | 3.945 | 1.19M | 0.070 | | 1.81 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 50.81 | 49.82 | 50.60 | 275.9K | 0.24 | | 0.48 | |
| UHS | Universal Health Services | 215.1 | 206.1 | 206.9 | 314.7K | -4.1 | | 1.95 | |
| UHT | Universal Health Realty Income Trust | 40.22 | 39.34 | 39.45 | 26.9K | -0.53 | | 1.32 | |
| UMC | United Microelectronics Corp ADR | 8.900 | 8.660 | 8.780 | 8.13M | 0.240 | | 2.81 | |
| USA | Liberty All-Star Equity Fund | 6.390 | 6.325 | 6.390 | 969.5K | 0.060 | | 0.95 | |
| USAC | USA Compression Partners LP | 25.07 | 24.47 | 25.03 | 142.6K | 0.36 | | 1.46 | |
| USNA | Usana Health Sciences Inc | 20.40 | 19.65 | 19.84 | 45.0K | -0.16 | | 0.80 | |
| UTF | Cohen & Steers Infrastructure Fund | 24.41 | 24.23 | 24.35 | 446.9K | 0.13 | | 0.54 | |
| UTI | Universal Technical Institute Inc | 28.30 | 27.22 | 27.48 | 229.4K | -0.48 | | 1.72 | |
| UVE | Universal Insurance Holdings Inc | 31.46 | 30.46 | 30.48 | 55.6K | -0.97 | | 3.08 | |
| 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% | 20.59 | 20.47 | 20.50 | 15.0K | -0.04 | | 0.19 | |
| UZE | United States Cellular Corp | 18.21 | 17.98 | 18.11 | 2.0K | 0.05 | | 0.28 | |
| UZF | United States Cellular Corp 5.500% | 18.34 | 18.04 | 18.04 | 1.8K | 0.13 | | 0.72 | |