| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Soy Numero Uno | bay | c | 1973 | Damascus | Tasma | Thoroughbred | USA | |
| Soya | bay | f | 1975 | 3143 Sayan | 4043 Stikhiya | Thoroughbred | Voskhod Stud | |
| Soyetka | chestnut | f | 2024 | 900215006161638 | 1639-7 Companion | 6761-8 Strunka | Thoroughbred | Mr. Ivannikov I.N. |
| Soyug | bay | c | 1983 | 3231 Gelar | 4823 Sarygamysh | Thoroughbred | Akstafinsk Stud | |
| Soyuz | d.-bay | c | 1977 | 3178-1 Zotos | 4833 Sorbonna | Thoroughbred | Streletsk Stud | |
| Soyuz | chestnut | c | 1983 | 3078 Zvon | 4021 Sekunda | Thoroughbred | Kirovograd Stud | |
| 2209-8 Soyuz | chestnut | c | 2019 | 643093300063679 | 1454-7 Maysur | 4417-6 Rafaella | Thoroughbred | Mr. Pirmuhametov M.S. |
| Soyuz Apollo | bay | c | 2022 | 981020041815558 | Bernardini | Cat Dancer | Thoroughbred | Stonestreet Thoroughbred Holdings LLC |
| Soyuznitsa | bay | f | 2017 | 1141-5 Indy Parma | 0989-3 Strada | Thoroughbred | Rodnik Farm | |
| Soyuznitza | chestnut | f | 1988 | 3304-1 Zaliv | 5719 Salviya | Thoroughbred | Kochkorbaeva Farm |