| UNG | United States Natural Gas Fund LP | Financial Services | $483M | — | 0 |
| USO | United States Oil Fund, LP | — | — | — | 0 |
| UTHR | United Therapeutics Corporation | Healthcare | $20.0B | — | 0 |
| UG | United-Guardian, Inc. | Consumer Defensive | $33.3M | — | 0 |
| UNH | UnitedHealth Group Incorporated | Healthcare | $341B | — | 0 |
| UNIT | Uniti Group Inc. | Real Estate | $2.2B | — | 0 |
| UTL | Unitil Corporation | Utilities | $915M | — | 0 |
| INHI | Unitrend Entertainment Group Ltd | — | — | — | 0 |
| UNTY | Unity Bancorp, Inc. | Financial Services | $556M | — | 0 |
| U | Unity Software Inc. | Technology | $18.1B | — | 0 |
| UVV | Universal Corporation | Consumer Defensive | $1.1B | — | 0 |
| OLED | Universal Display Corporation | Technology | $3.4B | — | 0 |
| UEIC | Universal Electronics Inc. | Technology | $66.3M | — | 0 |
| UHT | Universal Health Realty Income Trust | Real Estate | $537M | — | 0 |
| UHS | Universal Health Services, Inc. | Healthcare | $10.7B | — | 0 |
| UVE | Universal Insurance Holdings, Inc. | Financial Services | $1.2B | — | 0 |
| ULH | Universal Logistics Holdings, Inc. | Industrials | $435M | — | 0 |
| UMGNF | Universal Music Group N.V. | Communication Services | $29.9B | — | 0 |
| UUU | Universal Safety Products, Inc. | Technology | $12.0M | — | 0 |
| UTI | Universal Technical Institute, Inc. | Consumer Defensive | $1.1B | — | 0 |
| UTKN | Universal Token | — | — | — | 0 |
| UPC | Universe Pharmaceuticals Inc. | Healthcare | $3.0M | — | 0 |
| UNIB | University Bancorp, Inc. | Financial Services | $114M | — | 0 |
| UVSP | Univest Financial Corporation | Financial Services | $1.2B | — | 0 |
| UNIC | Unlimited Unicorn Opportunities Fund I | — | — | — | 0 |