| UCB | United Community Banks Inc | 30.31 | 29.48 | 30.25 | 328.5K | 0.26 | | 0.87 | |
| UDR | United Dominion Realty Trust | 34.89 | 34.34 | 34.68 | 1.32M | 0.16 | | 0.46 | |
| UGP | Ultrapar Participacoes S.A. ADR | 4.205 | 4.100 | 4.175 | 1.21M | 0.080 | | 1.96 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 47.52 | 46.15 | 47.22 | 657.6K | 0.46 | | 0.98 | |
| UHS | Universal Health Services | 228.0 | 223.5 | 224.9 | 170.7K | -2.5 | | 1.11 | |
| UHT | Universal Health Realty Income Trust | 39.75 | 38.60 | 39.62 | 35.4K | 0.02 | | 0.05 | |
| UMC | United Microelectronics Corp ADR | 7.238 | 7.010 | 7.160 | 5.07M | 0.030 | | 0.42 | |
| USA | Liberty All-Star Equity Fund | 6.200 | 6.010 | 6.055 | 1.56M | -0.170 | | 2.72 | |
| USAC | USA Compression Partners LP | 24.00 | 23.33 | 23.80 | 86.5K | 0.32 | | 1.36 | |
| USNA | Usana Health Sciences Inc | 19.23 | 18.74 | 19.19 | 66.7K | -0.18 | | 0.93 | |
| UTF | Cohen & Steers Infrastructure Fund | 24.16 | 23.95 | 24.12 | 297.1K | 0.11 | | 0.46 | |
| UTI | Universal Technical Institute Inc | 29.76 | 28.88 | 29.46 | 168.1K | 0.07 | | 0.24 | |
| UVE | Universal Insurance Holdings Inc | 34.90 | 34.02 | 34.40 | 64.9K | -0.23 | | 0.66 | |
| UZD | United States Cellular Corp 6.250% | 21.03 | 20.72 | 20.72 | 6.6K | -0.16 | | 0.76 | |
| UZE | United States Cellular Corp | 18.08 | 17.90 | 17.95 | 5.0K | 0.09 | | 0.50 | |
| UZF | United States Cellular Corp 5.500% | 18.21 | 17.99 | 17.99 | 350 | -0.15 | | 0.83 | |