| UCB | United Community Banks Inc | 30.00 | 29.58 | 29.76 | 142.9K | -0.31 | | 1.03 | |
| UDR | United Dominion Realty Trust | 35.93 | 34.95 | 35.05 | 1.34M | -0.96 | | 2.67 | |
| UGP | Ultrapar Participacoes S.A. ADR | 3.965 | 3.860 | 3.905 | 2.27M | -0.005 | | 0.13 | |
| UHA.B | U-Haul Holding Series N Non-Voting | 50.91 | 49.98 | 50.24 | 331.3K | -0.46 | | 0.91 | |
| UHS | Universal Health Services | 226.7 | 211.7 | 219.2 | 697.6K | 5.2 | | 2.42 | |
| UHT | Universal Health Realty Income Trust | 37.54 | 35.69 | 37.15 | 44.8K | 0.70 | | 1.92 | |
| UMC | United Microelectronics Corp ADR | 7.680 | 7.520 | 7.635 | 4.75M | 0.065 | | 0.86 | |
| USA | Liberty All-Star Equity Fund | 6.420 | 6.370 | 6.395 | 1.22M | 0.005 | | 0.08 | |
| USAC | USA Compression Partners LP | 22.55 | 22.05 | 22.24 | 237.4K | -0.18 | | 0.78 | |
| USNA | Usana Health Sciences Inc | 20.37 | 19.68 | 20.18 | 258.2K | 0.08 | | 0.40 | |
| UTF | Cohen & Steers Infrastructure Fund | 24.10 | 23.72 | 23.78 | 684.9K | -0.24 | | 1.00 | |
| UTF- | Cohen & Steers Infrastructre Fd Inc | 0.0550 | 0.0216 | 0.0450 | 2.05M | 0.0221 | | 96.51 | |
| UTI | Universal Technical Institute Inc | 34.53 | 33.57 | 34.18 | 129.4K | 0.16 | | 0.47 | |
| UVE | Universal Insurance Holdings Inc | 32.55 | 30.57 | 31.34 | 97.6K | -0.58 | | 1.82 | |
| UWM.W | Uwm Hldg Corp WT [Uwmc/W] | 0.1010 | 0.0900 | 0.1010 | 183.3K | 0.0109 | | 12.10 | |
| UZD | United States Cellular Corp 6.250% | 21.90 | 21.12 | 21.49 | 12.6K | -0.17 | | 0.78 | |
| UZE | United States Cellular Corp | 18.34 | 18.18 | 18.18 | 8.0K | -0.14 | | 0.74 | |
| UZF | United States Cellular Corp 5.500% | 18.75 | 18.46 | 18.63 | 1.6K | -0.17 | | 0.90 | |