The number of registered Thoroughbreds for the 4th generation sires on the top sire line pedigree for the registered foals of 2015.
| Sire Name | Registered Thoroughbreds |
|---|---|
| Northern Dancer | 3174 |
| Mr. Prospector | 2876 |
| Raise a Native | 2016 |
| Storm Bird | 1925 |
| Seattle Slew | 1868 |
| Fappiano | 1579 |
| Bold Reasoning | 1305 |
| Storm Cat | 836 |
| Vice Regent | 796 |
| Hail to Reason | 712 |
| Nearctic | 652 |
| Relaunch | 606 |
| Siberian Express | 376 |
| A.P. Indy | 357 |
| Sadler's Wells | 282 |
| Majestic Light | 226 |
| Blushing Groom (FR) | 217 |
| Cryptoclearance | 198 |
| In Reality | 195 |
| Roberto | 187 |
| Native Dancer | 181 |
| Deputy Minister | 178 |
| Danzig | 135 |
| Caro (IRE) | 122 |
| Buckpasser | 115 |
| Minnesota Mac | 100 |
| Bold Ruler | 99 |
| Red God | 99 |
| Halo | 98 |
| Fortino II (FR) | 93 |
| Intentionally | 77 |
| Runaway Groom | 69 |
| Sir Tristram | 68 |
| Forty Niner | 62 |
| Battle Joined | 60 |
| Boldnesian | 54 |
| Damascus | 54 |
| Afleet | 53 |
| Gulch | 51 |
| Cormorant | 50 |
| Gone West | 47 |
| Raja Baba | 44 |
| Zabeel (NZ) | 44 |
| Skywalker | 42 |
| Icecapade | 41 |
| Ack Ack | 36 |
| Sword Dancer | 33 |
| Ribot | 31 |
| Dixieland Band | 30 |
| Bailjumper | 29 |
| Conquistador Cielo | 29 |
| His Majesty | 27 |
| Wavering Monarch | 26 |
| Unbridled | 25 |
| Nureyev | 17 |
| Princequillo | 17 |
| Sovereign Dancer | 17 |
| Buckaroo | 16 |
| Literat (GER) | 16 |
| Speak John | 16 |
| Alydar | 15 |
| Great Above | 15 |
| Never Bend | 15 |
| Machiavellian | 12 |
| Best Turn | 11 |
| Foolish Pleasure | 11 |
| Hennessy | 11 |
| Niniski | 9 |
| Sir Gaylord | 9 |
| Mansingh | 8 |
| Private Account | 8 |
| Riverman | 8 |
| Nijinsky II | 7 |
| Tom Rolfe | 7 |
| Good Manners | 6 |
| Clever Trick | 5 |
| Hold Your Peace | 5 |
| Sharpen Up (GB) | 5 |
| Birkhahn (GER) | 4 |
| D'Accord | 4 |
| Jester | 4 |
| Tom Fool | 4 |
| Turn-to | 4 |
| Young Generation (IRE) | 4 |
| Jack Sprat | 3 |
| Super Concorde | 3 |
| Valid Appeal | 3 |
| Dance in Time | 2 |
| Gallant Romeo | 2 |
| Graustark | 2 |
| Green Dancer | 2 |
| Gummo | 2 |
| Key to the Mint | 2 |
| Medaille d'Or | 2 |
| Milkie | 2 |
| Milkie's Desire | 2 |
| Miswaki | 2 |
| Mocito Guapo (ARG) | 2 |
| Native Royalty | 2 |
| Regal and Royal | 2 |
| Sonny's Solo Halo | 2 |
| Star de Naskra | 2 |
| Time Tested | 2 |
| Alleged | 1 |
| Arts and Letters | 1 |
| Atan | 1 |
| Carson City | 1 |
| Deer Lodge | 1 |
| Dewan | 1 |
| Explodent | 1 |
| Fitchburg | 1 |
| General (FR) | 1 |
| Herbager | 1 |
| Hill Prince | 1 |
| Irish Castle | 1 |
| Le Fabuleux | 1 |
| Lord Gaylord | 1 |
| Lorenzaccio | 1 |
| Majestic Prince | 1 |
| Maribeau | 1 |
| Matrice (AUS) | 1 |
| Mt. Livermore | 1 |
| Nashua | 1 |
| No Robbery | 1 |
| Norcliffe | 1 |
| Northern Jove | 1 |
| Private Terms | 1 |
| Round Table | 1 |
| Run the Gantlet | 1 |
| Sea-Bird | 1 |
| Secretariat | 1 |
| Seeking the Gold | 1 |
| Sir Ivor | 1 |
| Stop the Music | 1 |
| Sunny's Halo | 1 |
| Whiskey Road | 1 |
Source: The Jockey Club
Current through 4/29/2024