| UCB | United Community Banks Inc | 34.05 | 33.64 | 33.86 | 586.5K | -0.05 | | 0.15 | |
| UDR | United Dominion Realty Trust | 37.74 | 36.77 | 37.64 | 1.73M | 0.56 | | 1.51 | |
| UGP | Ultrapar Participacoes S.A. ADR | 4.190 | 4.090 | 4.100 | 1.38M | -0.020 | | 0.49 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 52.79 | 52.32 | 52.53 | 311.6K | -0.20 | | 0.38 | |
| UHS | Universal Health Services | 205.1 | 197.8 | 199.9 | 212.4K | -4.3 | | 2.11 | |
| UHT | Universal Health Realty Income Trust | 40.58 | 39.48 | 40.31 | 30.8K | 0.28 | | 0.70 | |
| UMC | United Microelectronics Corp ADR | 9.370 | 8.770 | 9.300 | 10.86M | 0.530 | | 6.04 | |
| USA | Liberty All-Star Equity Fund | 6.430 | 6.360 | 6.365 | 900.4K | -0.020 | | 0.31 | |
| USAC | USA Compression Partners LP | 25.72 | 25.25 | 25.63 | 104.5K | -0.10 | | 0.39 | |
| USNA | Usana Health Sciences Inc | 22.17 | 21.44 | 21.92 | 81.4K | 0.33 | | 1.53 | |
| UTF | Cohen & Steers Infrastructure Fund | 25.05 | 24.70 | 24.95 | 495.5K | 0.18 | | 0.73 | |
| UTI | Universal Technical Institute Inc | 28.03 | 27.39 | 27.51 | 344.7K | -0.28 | | 1.01 | |
| UVE | Universal Insurance Holdings Inc | 30.26 | 29.70 | 29.85 | 105.3K | -0.08 | | 0.27 | |
| UZD | United States Cellular Corp 6.250% | 20.65 | 20.61 | 20.65 | 2.8K | 0.08 | | 0.39 | |
| UZE | United States Cellular Corp | 18.32 | 18.10 | 18.10 | 6.0K | -0.04 | | 0.22 | |
| UZF | United States Cellular Corp 5.500% | 18.31 | 18.21 | 18.31 | 1.3K | 0.04 | | 0.22 | |