| UCB | United Community Banks Inc | 33.54 | 33.24 | 33.43 | 370.2K | 0.04 | | 0.12 | |
| UDR | United Dominion Realty Trust | 35.10 | 33.97 | 34.23 | 2.15M | -0.61 | | 1.75 | |
| UGP | Ultrapar Participacoes S.A. ADR | 6.200 | 6.015 | 6.030 | 2.64M | -0.060 | | 0.99 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 48.14 | 46.94 | 47.78 | 244.1K | 0.69 | | 1.47 | |
| UHS | Universal Health Services | 183.0 | 178.5 | 178.7 | 171.6K | -1.4 | | 0.79 | |
| UHT | Universal Health Realty Income Trust | 43.88 | 42.18 | 42.26 | 25.9K | -0.35 | | 0.82 | |
| UMC | United Microelectronics Corp ADR | 10.87 | 10.41 | 10.61 | 9.09M | 0.67 | | 6.73 | |
| USA | Liberty All-Star Equity Fund | 5.800 | 5.730 | 5.770 | 1.35M | -0.150 | | 2.54 | |
| USAC | USA Compression Partners LP | 27.17 | 26.63 | 26.67 | 150.5K | -0.12 | | 0.45 | |
| USNA | Usana Health Sciences Inc | 19.09 | 18.42 | 19.06 | 63.9K | 0.16 | | 0.85 | |
| UTF | Cohen & Steers Infrastructure Fund | 26.64 | 26.37 | 26.49 | 256.9K | 0.13 | | 0.49 | |
| UTI | Universal Technical Institute Inc | 37.73 | 35.58 | 37.58 | 279.2K | 2.19 | | 6.19 | |
| UVE | Universal Insurance Holdings Inc | 34.90 | 34.21 | 34.85 | 52.4K | 0.43 | | 1.25 | |
| UZD | United States Cellular Corp 6.250% | 20.33 | 20.24 | 20.24 | 2.3K | -0.01 | | 0.05 | |
| UZF | United States Cellular Corp 5.500% | 18.22 | 18.00 | 18.00 | 2.5K | -0.12 | | 0.66 | |