| UCB | United Community Banks Inc | 36.80 | 36.49 | 36.62 | 20.0K | -0.01 | | 0.03 | |
| UDR | United Dominion Realty Trust | 37.63 | 37.37 | 37.48 | 59.8K | 0.22 | | 0.58 | |
| UGP | Ultrapar Participacoes S.A. ADR | 6.580 | 6.380 | 6.525 | 226.4K | 0.055 | | 0.85 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 65.16 | 63.83 | 64.52 | 332.8K | -0.67 | | 1.03 | |
| UHS | Universal Health Services | 175.0 | 169.0 | 174.6 | 53.1K | 4.1 | | 2.39 | |
| UHT | Universal Health Realty Income Trust | 41.07 | 40.30 | 40.61 | 1.8K | 0.34 | | 0.84 | |
| UMC | United Microelectronics Corp ADR | 19.21 | 18.40 | 18.48 | 1.19M | -1.05 | | 5.35 | |
| USA | Liberty All-Star Equity Fund | 6.030 | 5.960 | 6.005 | 104.9K | -0.035 | | 0.58 | |
| USAC | USA Compression Partners LP | 27.06 | 26.78 | 26.78 | 5.5K | -0.14 | | 0.52 | |
| USNA | Usana Health Sciences Inc | 13.03 | 12.57 | 13.03 | 15.6K | 0.16 | | 1.20 | |
| UTF | Cohen & Steers Infrastructure Fund | 27.39 | 27.10 | 27.19 | 22.8K | 0.09 | | 0.33 | |
| UTI | Universal Technical Institute Inc | 26.53 | 26.07 | 26.33 | 36.7K | 0.17 | | 0.65 | |
| UVE | Universal Insurance Holdings Inc | 43.27 | 42.69 | 42.69 | 2.0K | -0.01 | | 0.02 | |
| UZD | United States Cellular Corp 6.250% | 19.00 | 18.93 | 18.97 | 2.7K | 0.12 | | 0.64 | |
| UZE | United States Cellular Corp | 16.61 | 16.60 | 16.61 | 1.6K | -0.12 | | 0.72 | |
| UZF | United States Cellular Corp 5.500% | 16.90 | 16.72 | 16.80 | 1.1K | -0.05 | | 0.30 | |