| UCB | United Community Banks Inc | 33.83 | 33.40 | 33.75 | 235.2K | -0.06 | | 0.18 | |
| UDR | United Dominion Realty Trust | 34.96 | 34.65 | 34.92 | 952.5K | -0.21 | | 0.58 | |
| UGP | Ultrapar Participacoes S.A. ADR | 6.140 | 6.020 | 6.075 | 1.4M | 0.085 | | 1.42 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 48.67 | 47.54 | 47.69 | 295.7K | -0.46 | | 0.96 | |
| UHS | Universal Health Services | 182.2 | 179.4 | 181.0 | 85.2K | -1.0 | | 0.54 | |
| UHT | Universal Health Realty Income Trust | 42.90 | 42.62 | 42.77 | 11.4K | -0.34 | | 0.79 | |
| UMC | United Microelectronics Corp ADR | 9.970 | 9.800 | 9.815 | 1.91M | 0.225 | | 2.35 | |
| USA | Liberty All-Star Equity Fund | 6.000 | 5.900 | 5.900 | 1.13M | -0.010 | | 0.17 | |
| USAC | USA Compression Partners LP | 27.32 | 26.77 | 27.08 | 22.9K | 0.08 | | 0.30 | |
| USNA | Usana Health Sciences Inc | 18.95 | 18.46 | 18.87 | 14.4K | 0.36 | | 1.94 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.65 | 26.31 | 26.40 | 257.0K | -0.08 | | 0.30 | |
| UTI | Universal Technical Institute Inc | 35.96 | 35.29 | 35.41 | 100.2K | 0.20 | | 0.57 | |
| UVE | Universal Insurance Holdings Inc | 34.37 | 33.92 | 34.34 | 22.7K | 0.20 | | 0.59 | |
| UZD | United States Cellular Corp 6.250% | 20.15 | 20.14 | 20.14 | 811 | -0.12 | | 0.59 | |
| UZE | United States Cellular Corp | 18.33 | 17.95 | 18.10 | 8.7K | 0.17 | | 0.95 | |
| UZF | United States Cellular Corp 5.500% | 18.00 | 18.00 | 18.00 | 254 | -0.09 | | 0.50 | |