| UCB | United Community Banks Inc | 33.68 | 31.11 | 33.39 | 728.3K | 0.91 | | 2.80 | |
| UDR | United Dominion Realty Trust | 36.73 | 36.02 | 36.72 | 2.08M | 0.60 | | 1.66 | |
| UGP | Ultrapar Participacoes S.A. ADR | 4.105 | 4.030 | 4.065 | 1.11M | 0.070 | | 1.75 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 52.34 | 51.27 | 52.01 | 264.7K | 0.28 | | 0.54 | |
| UHS | Universal Health Services | 202.6 | 197.5 | 199.2 | 261.4K | -2.6 | | 1.28 | |
| UHT | Universal Health Realty Income Trust | 39.89 | 39.15 | 39.77 | 22.4K | 0.21 | | 0.53 | |
| UMC | United Microelectronics Corp ADR | 8.990 | 8.770 | 8.830 | 7.6K | 0.040 | | 0.46 | |
| USA | Liberty All-Star Equity Fund | 6.419 | 6.320 | 6.345 | 1.08M | -0.040 | | 0.63 | |
| USAC | USA Compression Partners LP | 25.95 | 25.10 | 25.32 | 169.6K | -0.14 | | 0.55 | |
| USNA | Usana Health Sciences Inc | 20.77 | 20.20 | 20.50 | 65.7K | 0.17 | | 0.84 | |
| UTF | Cohen & Steers Infrastructure Fund | 24.55 | 24.40 | 24.50 | 326.2K | 0.08 | | 0.33 | |
| UTI | Universal Technical Institute Inc | 26.69 | 25.77 | 26.60 | 358.2K | 0.07 | | 0.26 | |
| UVE | Universal Insurance Holdings Inc | 30.32 | 29.48 | 29.68 | 92.2K | -0.15 | | 0.50 | |
| UWM.W | Uwm Hldg Corp WT [Uwmc/W] | 0.0086 | 0.0052 | 0.0061 | 465.7K | -0.0042 | | 40.78 | |
| UZD | United States Cellular Corp 6.250% | 20.59 | 20.48 | 20.59 | 2.0K | 0.04 | | 0.19 | |
| UZE | United States Cellular Corp | 18.20 | 18.06 | 18.16 | 4.9K | 0.05 | | 0.28 | |