| UCB | United Community Banks Inc | 35.19 | 34.58 | 34.85 | 138.4K | 0.30 | | 0.87 | |
| UDR | United Dominion Realty Trust | 39.27 | 38.05 | 38.96 | 788.8K | 0.57 | | 1.47 | |
| UGP | Ultrapar Participacoes S.A. ADR | 4.940 | 4.810 | 4.895 | 885.5K | 0.015 | | 0.31 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 56.71 | 55.59 | 56.36 | 768.3K | 0.92 | | 1.66 | |
| UHS | Universal Health Services | 146.6 | 144.6 | 146.0 | 80.4K | 0.6 | | 0.42 | |
| UHT | Universal Health Realty Income Trust | 41.67 | 40.71 | 41.02 | 35.3K | -0.66 | | 1.57 | |
| UMC | United Microelectronics Corp ADR | 28.96 | 27.34 | 27.82 | 9.35M | -0.19 | | 0.68 | |
| USA | Liberty All-Star Equity Fund | 5.750 | 5.660 | 5.721 | 746.4K | 0.071 | | 1.25 | |
| USAC | USA Compression Partners LP | 26.31 | 24.91 | 26.09 | 47.1K | 1.28 | | 5.16 | |
| USNA | Usana Health Sciences Inc | 19.82 | 19.52 | 19.77 | 7.9K | -0.17 | | 0.85 | |
| UTF | Cohen & Steers Infrastructure Fund | 27.61 | 27.28 | 27.46 | 69.2K | 0.17 | | 0.62 | |
| UTI | Universal Technical Institute Inc | 40.55 | 39.00 | 39.66 | 138.6K | 0.29 | | 0.74 | |
| UVE | Universal Insurance Holdings Inc | 40.75 | 39.76 | 39.82 | 43.9K | -0.90 | | 2.20 | |
| UZD | United States Cellular Corp 6.250% | 18.95 | 18.89 | 18.89 | 815 | -0.09 | | 0.47 | |
| UZE | United States Cellular Corp | 17.41 | 17.28 | 17.32 | 5.7K | 0.04 | | 0.23 | |
| UZF | United States Cellular Corp 5.500% | 17.08 | 16.94 | 17.07 | 2.4K | 0.11 | | 0.65 | |