| UCB | United Community Banks Inc | 35.47 | 34.40 | 34.56 | 857.2K | -0.31 | | 0.89 | |
| UDR | United Dominion Realty Trust | 38.34 | 37.91 | 38.25 | 2.92M | 0.25 | | 0.66 | |
| UGP | Ultrapar Participacoes S.A. ADR | 5.260 | 5.180 | 5.180 | 850 | 0.020 | | 0.39 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 47.95 | 46.51 | 47.58 | 424.6K | 1.02 | | 2.19 | |
| UHS | Universal Health Services | 237.6 | 232.6 | 235.3 | 682.3K | 0.2 | | 0.07 | |
| UHT | Universal Health Realty Income Trust | 44.01 | 42.46 | 42.55 | 55.1K | -1.34 | | 3.05 | |
| UMC | United Microelectronics Corp ADR | 10.25 | 10.16 | 10.21 | 2.5K | -0.02 | | 0.20 | |
| USAC | USA Compression Partners LP | 26.74 | 26.07 | 26.56 | 166.5K | 0.63 | | 2.43 | |
| USNA | Usana Health Sciences Inc | 22.52 | 18.57 | 19.00 | 234.5K | -1.66 | | 8.03 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.57 | 26.57 | 26.57 | 350 | 0.11 | | 0.42 | |
| UTI | Universal Technical Institute Inc | 32.10 | 30.75 | 31.20 | 1.09M | 0.14 | | 0.45 | |
| UVE | Universal Insurance Holdings Inc | 32.13 | 31.06 | 31.31 | 96.1K | -0.81 | | 2.52 | |
| UZD | United States Cellular Corp 6.250% | 21.50 | 21.19 | 21.38 | 18.0K | 0.23 | | 1.09 | |
| UZE | United States Cellular Corp | 19.18 | 18.96 | 19.00 | 10.3K | 0.05 | | 0.26 | |
| UZF | United States Cellular Corp 5.500% | 19.20 | 18.93 | 19.16 | 1.9K | 0.16 | | 0.84 | |