Leading Broodmare Sires of 2017 Grade I Stakes Winners
(through 31 December 2017)
| Rank | Stallion | Sire | SWs |
| 1 | DISTORTED HUMOR | FORTY NINER | 5 |
| GALILEO | SADLER'S WELLS | 5 | |
| STORM CAT | STORM BIRD | 5 | |
| 4 | A.P. INDY | SEATTLE SLEW | 4 |
| PIVOTAL | POLAR FALCON | 4 | |
| 6 | GIANT'S CAUSEWAY | STORM CAT | 3 |
| LEMON DROP KID | KINGMAMBO | 3 | |
| MACHIAVELLIAN | MR. PROSPECTOR | 3 | |
| MALIBU MOON | A.P. INDY | 3 | |
| MONSUN | KONIGSSTUHL | 3 | |