| UCB | United Community Banks Inc | 37.47 | 37.00 | 37.28 | 225.7K | -0.17 | | 0.45 | |
| UDR | United Dominion Realty Trust | 36.77 | 36.13 | 36.15 | 1.78M | -0.43 | | 1.18 | |
| UGP | Ultrapar Participacoes S.A. ADR | 5.655 | 5.215 | 5.620 | 5.62M | 0.200 | | 3.68 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 49.91 | 49.03 | 49.25 | 258.5K | -0.66 | | 1.32 | |
| UHS | Universal Health Services | 199.9 | 193.3 | 193.9 | 161.3K | -2.9 | | 1.49 | |
| UHT | Universal Health Realty Income Trust | 39.39 | 38.53 | 38.76 | 18.7K | -0.35 | | 0.90 | |
| UMC | United Microelectronics Corp ADR | 15.99 | 14.89 | 15.76 | 6.96M | -0.32 | | 1.99 | |
| USA | Liberty All-Star Equity Fund | 5.960 | 5.860 | 5.860 | 1.95M | -0.250 | | 4.10 | |
| USAC | USA Compression Partners LP | 25.60 | 24.92 | 24.92 | 267.9K | 0.68 | | 2.70 | |
| USNA | Usana Health Sciences Inc | 12.95 | 12.53 | 12.73 | 113.8K | -0.12 | | 0.93 | |
| UTF | Cohen & Steers Infrastructure Fund | 25.85 | 25.68 | 25.70 | 144.2K | -0.07 | | 0.27 | |
| UTI | Universal Technical Institute Inc | 23.21 | 22.12 | 22.17 | 394.3K | -0.82 | | 3.57 | |
| UVE | Universal Insurance Holdings Inc | 48.88 | 48.25 | 48.63 | 67.3K | 0.44 | | 0.91 | |
| UZD | United States Cellular Corp 6.250% | 17.18 | 16.91 | 17.06 | 3.3K | -0.28 | | 1.63 | |
| UZE | United States Cellular Corp | 15.16 | 14.96 | 14.96 | 22.3K | -0.16 | | 1.03 | |
| UZF | United States Cellular Corp 5.500% | 15.21 | 14.93 | 15.01 | 22.4K | -0.09 | | 0.60 | |