| 1 | UNH | UNITEDHEALTH GROUP INCORPORATED (Delaware) | $369.7B |
| 2 | UBS | UBS Group AG | $176.2B |
| 3 | UNP | Union Pacific Corp. | $174.1B |
| 4 | UBER | Uber Technologies, Inc. | $153.2B |
| 5 | UL | Unilever plc | $135.6B |
| 6 | USB | U.S. Bancorp | $99.6B |
| 7 | UPS | United Parcel Service, Inc. Class B | $88.9B |
| 8 | URI | United Rentals, Inc. | $72.4B |
| 9 | UMC | United Microelectronic Corp. | $46.9B |
| 10 | UAL | United Airlines Holdings, Inc. Common Stock | $42.1B |
| 11 | UI | Ubiquiti Inc. Common Stock | $34.3B |
| 12 | ULTA | Ulta Beauty, Inc. Common Stock | $24.3B |
| 13 | USFD | US Foods Holding Corp. | $24.0B |
| 14 | UTHR | United Therapeutics Corp | $23.1B |
| 15 | U | Unity Software Inc. | $18.9B |
| 16 | ULS | UL Solutions Inc. | $15.8B |
| 17 | UHAL | U-Haul Holding Company | $14.6B |
| 18 | UNM | Unum Group | $14.3B |
| 19 | UHAL.B | U-Haul Holding Company | $12.8B |
| 20 | UDR | UDR, Inc. | $12.3B |
| 21 | UMBF | UMB Financial Corp | $11.1B |
| 22 | UHS | Universal Health Services, Inc. Class B | $10.5B |
| 23 | UGI | UGI Corporation | $7.3B |
| 24 | UBSI | United Bankshares Inc | $6.6B |
| 25 | URBN | Urban Outfitters Inc | $6.6B |
| 26 | UGP | Ultrapar Participacoes S.A. | $6.5B |
| 27 | UNF | Unifirst Corp | $5.3B |
| 28 | UFPI | UFP Industries, Inc. Common Stock | $5.2B |
| 29 | USAR | USA Rare Earth, Inc. Class A Common Stock | $4.7B |
| 30 | UCB | United Community Banks, Inc. | $4.3B |
| 31 | UCTT | Ultra Clean Holdings, Inc. | $4.0B |
| 32 | USAC | USA COMPRESSION PARTNERS LP | $3.7B |
| 33 | USLM | United States Lime & Minerals | $3.4B |
| 34 | UPST | Upstart Holdings, Inc. Common stock | $3.0B |
| 35 | UNFI | United Natural Foods Inc | $2.8B |
| 36 | UE | UBRAN EDGE PROPERTIES | $2.7B |
| 37 | UAA | Under Armour, Inc. | $2.6B |
| 38 | UA | Under Armour, Inc. Class C Common Stock, $0.0003 1/3 par value | $2.5B |
| 39 | UFPT | UFP Technologies Inc | $2.4B |
| 40 | UNIT | Uniti Group Inc. Common Stock | $2.3B |
| 41 | URGN | UroGen Pharma Ltd. Ordinary Shares | $2.3B |
| 42 | ULCC | Frontier Group Holdings, Inc. Common Stock | $1.7B |
| 43 | UTI | Universal Technical Institute, Inc. | $1.6B |
| 44 | UROY | Uranium Royalty Corp. Common Stock | $1.6B |
| 45 | UFCS | United Fire Group Inc. | $1.4B |
| 46 | UMH | UMH Properties, Inc. | $1.4B |
| 47 | UAN | CVR Partners, LP | $1.3B |
| 48 | UVV | Universal Corporation | $1.3B |
| 49 | UTZ | Utz Brands, Inc. | $1.3B |
| 50 | UVE | UNIVERSAL INSURANCE HLDG, INC. | $1.2B |
| 51 | USPH | US Physical Therapy Inc | $1.2B |
| 52 | UPWK | Upwork Inc. Common Stock | $1.2B |
| 53 | UVSP | Univest Financial Corporation Common Stock | $1.2B |
| 54 | UPBD | Upbound Group, Inc. Common Stock | $1.2B |
| 55 | UAMY | United States Antimony Corporation | $1.0B |
| 56 | UTL | Unitil Corporation | $980M |
| 57 | UNTY | Unity Bancorp | $599M |
| 58 | UHT | Universal Health Realty Income Trust | $594M |
| 59 | ULH | Universal Logistics Holdings, Inc. Common Stock | $529M |
| 60 | UWMC | UWM Holdings Corporation | $434M |
| 61 | USCB | USCB Financial Holdings, Inc. Class A Common Stock | $412M |
| 62 | UPB | Upstream Bio, Inc. Common Stock | $395M |