Leading North American Sires of 2012 Unrestricted First-Time SWs
(through 13 May 2012)
| Rank | Stallion | Sire | Location | SWs |
| 1 | HARD SPUN | DANZIG | KY | 6 |
| 2 | DYNAFORMER | ROBERTO | DEAD | 4 |
| FLATTER | A.P. INDY | KY | 4 | |
| GIANT'S CAUSEWAY | STORM CAT | KY | 4 | |
| 5 | A.P. INDY | SEATTLE SLEW | PENS | 3 |
| DISCREET CAT | FORESTRY | KY | 3 | |
| GRAND SLAM | GONE WEST | DEAD | 3 | |
| PROUD CITIZEN | GONE WEST | KY | 3 | |
| PULPIT | A.P. INDY | KY | 3 | |