| 1 | UNH | UNITEDHEALTH GROUP INCORPORATED (Delaware) | $338.3B |
| 2 | UNP | Union Pacific Corp. | $166.0B |
| 3 | UBS | UBS Group AG | $155.2B |
| 4 | UBER | Uber Technologies, Inc. | $144.0B |
| 5 | UL | Unilever plc | $133.1B |
| 6 | USB | U.S. Bancorp | $93.6B |
| 7 | UPS | United Parcel Service, Inc. Class B | $84.3B |
| 8 | URI | United Rentals, Inc. | $63.1B |
| 9 | UMC | United Microelectronic Corp. | $61.7B |
| 10 | UI | Ubiquiti Inc. Common Stock | $35.7B |
| 11 | UAL | United Airlines Holdings, Inc. Common Stock | $35.3B |
| 12 | ULTA | Ulta Beauty, Inc. Common Stock | $23.1B |
| 13 | UTHR | United Therapeutics Corp | $21.2B |
| 14 | USFD | US Foods Holding Corp. | $20.2B |
| 15 | U | Unity Software Inc. | $18.2B |
| 16 | UNM | Unum Group | $15.1B |
| 17 | ULS | UL Solutions Inc. | $12.9B |
| 18 | UHAL | U-Haul Holding Company | $12.5B |
| 19 | UHAL.B | U-Haul Holding Company | $11.0B |
| 20 | UDR | UDR, Inc. | $10.9B |
| 21 | UHS | Universal Health Services, Inc. Class B | $10.4B |
| 22 | UMBF | UMB Financial Corp | $10.2B |
| 23 | UGI | UGI Corporation | $8.1B |
| 24 | UGP | Ultrapar Participacoes S.A. | $8.1B |
| 25 | URBN | Urban Outfitters Inc | $6.4B |
| 26 | UBSI | United Bankshares Inc | $6.4B |
| 27 | USAR | USA Rare Earth, Inc. Class A Common Stock | $5.8B |
| 28 | UNF | Unifirst Corp | $4.7B |
| 29 | UFPI | UFP Industries, Inc. Common Stock | $4.4B |
| 30 | UCB | United Community Banks, Inc. | $4.2B |
| 31 | USAC | USA COMPRESSION PARTNERS LP | $3.9B |
| 32 | USLM | United States Lime & Minerals | $3.3B |
| 33 | UCTT | Ultra Clean Holdings, Inc. | $3.2B |
| 34 | UNFI | United Natural Foods Inc | $2.8B |
| 35 | UE | UBRAN EDGE PROPERTIES | $2.5B |
| 36 | UPST | Upstart Holdings, Inc. Common stock | $2.4B |
| 37 | UNIT | Uniti Group Inc. Common Stock | $2.3B |
| 38 | UFPT | UFP Technologies Inc | $2.1B |
| 39 | URGN | UroGen Pharma Ltd. Ordinary Shares | $2.1B |
| 40 | UAA | Under Armour, Inc. | $2.1B |
| 41 | UA | Under Armour, Inc. Class C Common Stock, $0.0003 1/3 par value | $2.1B |
| 42 | UROY | Uranium Royalty Corp. Common Stock | $1.7B |
| 43 | UAN | CVR Partners, LP | $1.4B |
| 44 | UFCS | United Fire Group Inc. | $1.4B |
| 45 | ULCC | Frontier Group Holdings, Inc. Common Stock | $1.3B |
| 46 | UMH | UMH Properties, Inc. | $1.3B |
| 47 | UTZ | Utz Brands, Inc. | $1.3B |
| 48 | USPH | US Physical Therapy Inc | $1.2B |
| 49 | UVE | UNIVERSAL INSURANCE HLDG, INC. | $1.2B |
| 50 | UTI | Universal Technical Institute, Inc. | $1.2B |
| 51 | UVSP | Univest Financial Corporation Common Stock | $1.2B |
| 52 | UVV | Universal Corporation | $1.1B |
| 53 | UPWK | Upwork Inc. Common Stock | $1.0B |
| 54 | UPBD | Upbound Group, Inc. Common Stock | $999M |
| 55 | UTL | Unitil Corporation | $947M |
| 56 | UAMY | United States Antimony Corporation | $693M |
| 57 | UNTY | Unity Bancorp | $584M |
| 58 | UHT | Universal Health Realty Income Trust | $553M |
| 59 | ULH | Universal Logistics Holdings, Inc. Common Stock | $467M |
| 60 | UWMC | UWM Holdings Corporation | $431M |
| 61 | USCB | USCB Financial Holdings, Inc. Class A Common Stock | $427M |