| UCB | United Community Banks Inc | 30.12 | 29.63 | 30.12 | 468.7K | 0.23 | | 0.77 | |
| UDR | United Dominion Realty Trust | 35.25 | 33.94 | 34.13 | 2.33M | -1.11 | | 3.15 | |
| UGP | Ultrapar Participacoes S.A. ADR | 5.050 | 4.875 | 4.915 | 2.55M | -0.190 | | 3.72 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 43.73 | 42.58 | 42.60 | 457.8K | 0.19 | | 0.45 | |
| UHS | Universal Health Services | 187.4 | 184.2 | 185.7 | 344.0K | -1.6 | | 0.84 | |
| UHT | Universal Health Realty Income Trust | 42.95 | 40.30 | 40.46 | 99.8K | -2.18 | | 5.11 | |
| UMC | United Microelectronics Corp ADR | 9.200 | 8.950 | 9.120 | 5.79M | -0.130 | | 1.41 | |
| USA | Liberty All-Star Equity Fund | 5.630 | 5.490 | 5.540 | 1.19M | -0.060 | | 1.07 | |
| USAC | USA Compression Partners LP | 28.80 | 28.22 | 28.51 | 281.6K | -0.03 | | 0.09 | |
| USNA | Usana Health Sciences Inc | 17.40 | 16.82 | 16.91 | 69.4K | -0.27 | | 1.57 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.55 | 25.06 | 25.10 | 326.0K | -0.53 | | 2.07 | |
| UTI | Universal Technical Institute Inc | 37.16 | 35.16 | 35.35 | 298.0K | -1.91 | | 5.13 | |
| UVE | Universal Insurance Holdings Inc | 33.26 | 32.63 | 33.12 | 79.7K | 0.22 | | 0.67 | |
| UZD | United States Cellular Corp 6.250% | 20.55 | 19.80 | 19.80 | 3.2K | -0.42 | | 2.08 | |
| UZE | United States Cellular Corp | 18.00 | 17.42 | 17.42 | 10.5K | -0.26 | | 1.47 | |
| UZF | United States Cellular Corp 5.500% | 17.76 | 17.50 | 17.63 | 8.5K | -0.18 | | 1.01 | |