| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Usurpator | grey | c | 2003 | Unbridled's Song | Zoftig | Thoroughbred | USA | |
| Usus | d.-bay | c | 2000 | Second Set | Umbria | Thoroughbred | Germany | |
| 6833-8 Ut Aleksandra | d.-bay | f | 2021 | 643090000485584 | 1644-7 Amerikos | 5268-7 Nyulana | Thoroughbred | Mrs Utnasonova S.O. |
| Ut Atlanta | bay | f | 2024 | 643090000704954 | 0990-5 To The Heights | 6833-8 Ut Aleksandra | Thoroughbred | Mrs Utnasonova S.O. |
| Ut Blate | bay | c | 2023 | 643090000617782 | 1038-5 Single Blend | 2453-5 Logistka | Thoroughbred | Mrs Utnasonova S.O. |
| Ut Majeur | bay | c | 1927 | Ksar | Uganda | Thoroughbred | France | |
| Ut Neiton | bay | c | 2023 | 643090000617766 | 1456-7 Misty Nile | 5268-7 Nyulana | Thoroughbred | Mrs Utnasonova S.O. |
| Ut Shanel | bay | f | 2022 | 643090000561624 | 1957-8 Shalim | 2453-5 Logistka | Thoroughbred | Mrs Utnasonova S.O. |
| Ut Shanita | bay | f | 2024 | 643090000704953 | 1076-5 Shangor | 5268-7 Nyulana | Thoroughbred | Mrs Utnasonova S.O. |
| Ut Shansi | bay | f | 2025 | 643099001887328 | 1076-5 Shangor | 5268-7 Nyulana | Thoroughbred | Mrs Utnasonova S.O. |