| Name | Color | Sex | Year of birth | Microchip | Sire | Dam | Breed | Breeder |
|---|---|---|---|---|---|---|---|---|
| Storybook | chestnut | f | 2004 | Halling | Blixen | Thoroughbred | OAE | |
| Stoun Bars | bay | c | 2023 | 643090000646892 | 2020-8 Whiskey Lemon Bars | 4059-6 Big Stone Bridge | Thoroughbred | Barsuk T.L. Farm |
| Stoun Kasl | bay | c | 2008 | 0370-3 Chequer | 1887-4 Svatia | Thoroughbred | Volgogradsk Stud | |
| Stoun Krik | bay | c | 2013 | 0103-2 Corvinius | 0663-2 Senega | Thoroughbred | APK "Kavkaz" | |
| Stourfield | f | 1883 | Thoroughbred | |||||
| Stoyana | bay | f | 1976 | Abdos | Bielka | Thoroughbred | France | |
| Stoykaya | bay | f | 2024 | 643090000704956 | 1266-6 Royal Strit | 6742-8 Solo Svir | Thoroughbred | Mr Stepanishin P.A. |
| Stoyky Soldat | bay | c | 2016 | 643090000127564 | 0757-5 Awsome Native | 3393-5 Svetomuzyka | Thoroughbred | Mr Shalnev G.A. |
| 2742 Stozhok | d.-bay | c | 1951 | 1980 Stog | 1409 Puchina | Thoroughbred | Streletsk Stud | |
| Strabantzer | chestnut | c | 1873 | Buccaneer | Lady Elisabeth | Thoroughbred |