| UCB | United Community Banks Inc | 35.66 | 35.14 | 35.61 | 800.8K | 0.55 | | 1.57 | |
| UDR | United Dominion Realty Trust | 40.03 | 39.33 | 39.97 | 2.02M | 0.88 | | 2.25 | |
| UGP | Ultrapar Participacoes S.A. ADR | 4.960 | 4.760 | 4.960 | 1.65M | 0.100 | | 2.06 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 58.99 | 57.80 | 58.77 | 1.63M | 0.71 | | 1.22 | |
| UHS | Universal Health Services | 146.7 | 144.7 | 145.7 | 255.0K | 1.2 | | 0.85 | |
| UHT | Universal Health Realty Income Trust | 43.23 | 41.80 | 42.89 | 113.6K | 1.15 | | 2.76 | |
| UMC | United Microelectronics Corp ADR | 26.47 | 24.55 | 25.57 | 13.25M | -2.15 | | 7.75 | |
| USA | Liberty All-Star Equity Fund | 5.840 | 5.681 | 5.710 | 1.99M | 0.010 | | 0.18 | |
| USAC | USA Compression Partners LP | 26.51 | 26.10 | 26.38 | 75.5K | -0.05 | | 0.19 | |
| USNA | Usana Health Sciences Inc | 20.84 | 19.75 | 20.67 | 49.9K | 1.02 | | 5.18 | |
| UTF | Cohen & Steers Infrastructure Fund | 27.79 | 27.42 | 27.67 | 240.4K | 0.19 | | 0.69 | |
| UTI | Universal Technical Institute Inc | 41.67 | 39.75 | 41.59 | 919.0K | 1.57 | | 3.92 | |
| UVE | Universal Insurance Holdings Inc | 41.96 | 40.01 | 41.25 | 103.5K | 1.66 | | 4.21 | |
| UZD | United States Cellular Corp 6.250% | 18.92 | 18.81 | 18.91 | 5.5K | 0.01 | | 0.05 | |
| UZE | United States Cellular Corp | 17.33 | 17.15 | 17.26 | 3.2K | 0.01 | | 0.06 | |
| UZF | United States Cellular Corp 5.500% | 16.97 | 16.60 | 16.81 | 3.8K | -0.01 | | 0.06 | |