Leading Broodmare Sires of 2008 Unrestricted SWs
(through 12 May 2008)
| Rank | Stallion | Sire | SWs |
| 1 | STORM CAT | STORM BIRD | 9 |
| 2 | RAHY | BLUSHING GROOM | 8 |
| 3 | MR. PROSPECTOR | RAISE A NATIVE | 7 |
| SADLER'S WELLS | NORTHERN DANCER | 7 | |
| 5 | NUREYEV | NORTHERN DANCER | 6 |
| 6 | A.P. INDY | SEATTLE SLEW | 5 |
| CAERLEON | NIJINSKY II | 5 | |
| DANEHILL | DANZIG | 5 | |
| DYNAFORMER | ROBERTO | 5 | |
| LOST CODE | CODEX | 5 | |
| PLEASANT COLONY | HIS MAJESTY | 5 | |
| RAINBOW QUEST | BLUSHING GROOM | 5 | |
| RED RANSOM | ROBERTO | 5 | |
| ROYAL ACADEMY | NIJINSKY II | 5 | |
| THATCHING | THATCH | 5 | |