| UCB | United Community Banks Inc | 33.83 | 33.31 | 33.39 | 1.08M | -0.42 | | 1.24 | |
| UDR | United Dominion Realty Trust | 34.99 | 34.65 | 34.86 | 5.02M | -0.26 | | 0.74 | |
| UGP | Ultrapar Participacoes S.A. ADR | 6.125 | 6.040 | 6.090 | 2.93M | 0.100 | | 1.67 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 47.89 | 46.71 | 47.09 | 314.3K | -0.60 | | 1.26 | |
| UHS | Universal Health Services | 182.2 | 178.7 | 180.2 | 500.1K | -1.8 | | 0.99 | |
| UHT | Universal Health Realty Income Trust | 42.90 | 42.46 | 42.70 | 46.4K | -0.41 | | 0.95 | |
| UMC | United Microelectronics Corp ADR | 9.960 | 9.800 | 9.950 | 7.02M | 0.360 | | 3.75 | |
| USAC | USA Compression Partners LP | 27.32 | 26.77 | 26.84 | 75.5K | -0.16 | | 0.59 | |
| USNA | Usana Health Sciences Inc | 18.95 | 18.46 | 18.90 | 78.8K | 0.39 | | 2.11 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.62 | 26.28 | 26.37 | 397.3K | -0.11 | | 0.42 | |
| UTI | Universal Technical Institute Inc | 35.96 | 35.28 | 35.39 | 486.5K | 0.18 | | 0.51 | |
| UVE | Universal Insurance Holdings Inc | 34.51 | 33.92 | 34.42 | 111.4K | 0.28 | | 0.82 | |
| UZD | United States Cellular Corp 6.250% | 20.25 | 20.14 | 20.25 | 4.1K | -0.01 | | 0.05 | |
| UZE | United States Cellular Corp | 18.15 | 18.13 | 18.13 | 1.1K | -0.01 | | 0.06 | |
| UZF | United States Cellular Corp 5.500% | 18.18 | 18.00 | 18.18 | 2.0K | 0.09 | | 0.50 | |