| UCB | United Community Banks Inc | 35.11 | 34.64 | 34.72 | 32.6K | 0.16 | | 0.46 | |
| UDR | United Dominion Realty Trust | 38.64 | 37.97 | 38.02 | 180.2K | -0.07 | | 0.18 | |
| UGP | Ultrapar Participacoes S.A. ADR | 5.155 | 5.070 | 5.085 | 114.7K | -0.045 | | 0.88 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 46.21 | 44.50 | 46.07 | 383.8K | 1.27 | | 2.83 | |
| UHS | Universal Health Services | 240.9 | 234.8 | 235.4 | 32.2K | 0.6 | | 0.23 | |
| UHT | Universal Health Realty Income Trust | 43.77 | 43.50 | 43.51 | 4.3K | 0.31 | | 0.72 | |
| UMC | United Microelectronics Corp ADR | 10.51 | 10.15 | 10.18 | 735.1K | -0.25 | | 2.35 | |
| USA | Liberty All-Star Equity Fund | 6.030 | 5.970 | 5.985 | 212.7K | -0.015 | | 0.25 | |
| USAC | USA Compression Partners LP | 27.08 | 26.01 | 26.26 | 13.2K | -0.35 | | 1.30 | |
| USNA | Usana Health Sciences Inc | 21.17 | 20.67 | 20.77 | 3.8K | -0.13 | | 0.62 | |
| UTF | Cohen & Steers Infrastructure Fund | 27.00 | 26.87 | 26.89 | 84.1K | 0.04 | | 0.15 | |
| UTI | Universal Technical Institute Inc | 30.52 | 29.57 | 30.22 | 38.9K | -0.13 | | 0.43 | |
| UVE | Universal Insurance Holdings Inc | 32.04 | 31.20 | 32.03 | 6.1K | 0.86 | | 2.76 | |
| UZD | United States Cellular Corp 6.250% | 21.20 | 21.20 | 21.20 | 100 | 0.05 | | 0.24 | |
| UZF | United States Cellular Corp 5.500% | 19.00 | 18.71 | 18.99 | 4.3K | 0.16 | | 0.85 | |