The number of registered Thoroughbreds for the 4th generation sires on the top sire line pedigree for the registered foals of 2018.
| Sire Name | Registered Thoroughbreds |
|---|---|
| Mr. Prospector | 2841 |
| Northern Dancer | 2542 |
| Storm Bird | 1602 |
| Seattle Slew | 1450 |
| Fappiano | 1407 |
| Raise a Native | 1303 |
| A.P. Indy | 1113 |
| Bold Reasoning | 1009 |
| Storm Cat | 910 |
| Sadler's Wells | 664 |
| Hail to Reason | 522 |
| Vice Regent | 499 |
| Relaunch | 486 |
| Siberian Express | 484 |
| In Excess (IRE) | 375 |
| Nearctic | 374 |
| Unbridled | 356 |
| Halo | 274 |
| Danzig | 261 |
| Cryptoclearance | 213 |
| Wavering Monarch | 188 |
| Majestic Light | 182 |
| Blushing Groom (FR) | 179 |
| Harlan | 157 |
| Machiavellian | 145 |
| In Reality | 144 |
| Hennessy | 104 |
| Deputy Minister | 103 |
| Caro (IRE) | 77 |
| Icecapade | 75 |
| Roberto | 71 |
| Gone West | 68 |
| Red God | 67 |
| Minnesota Mac | 62 |
| Quiet American | 62 |
| Fortino II (FR) | 61 |
| Runaway Groom | 60 |
| Raja Baba | 59 |
| Afleet | 54 |
| Native Dancer | 49 |
| Buckpasser | 43 |
| Damascus | 40 |
| Tale of the Cat | 35 |
| Battle Joined | 34 |
| Great Above | 34 |
| Intentionally | 34 |
| Bailjumper | 33 |
| Forty Niner | 25 |
| Buckaroo | 22 |
| Ack Ack | 20 |
| Gulch | 19 |
| Cormorant | 18 |
| Boldnesian | 17 |
| Skywalker | 16 |
| Sword Dancer | 15 |
| Mill Reef | 13 |
| Dixieland Band | 12 |
| Literat (GER) | 12 |
| Valid Appeal | 11 |
| Private Account | 10 |
| Cee's Tizzy | 9 |
| His Majesty | 9 |
| Princequillo | 9 |
| El Prado (IRE) | 8 |
| Riverman | 8 |
| Sonny's Solo Halo | 8 |
| Conquistador Cielo | 7 |
| Jack Sprat | 6 |
| Milkie | 6 |
| Niniski | 6 |
| Nureyev | 6 |
| Never Bend | 5 |
| Gold Apollo | 4 |
| Ribot | 4 |
| Super Concorde | 4 |
| Bold Ruler | 3 |
| Clever Trick | 3 |
| Issue of Gold | 3 |
| Milkie's Desire | 3 |
| Speak John | 3 |
| Verbatim | 3 |
| Alydar | 2 |
| Best Turn | 2 |
| Birkhahn (GER) | 2 |
| Dewan | 2 |
| Foolish Pleasure | 2 |
| Green Desert | 2 |
| Hold Your Peace | 2 |
| Jester | 2 |
| Mocito Guapo (ARG) | 2 |
| Native Royalty | 2 |
| Nijinsky II | 2 |
| Private Terms | 2 |
| Relic | 2 |
| Secretariat | 2 |
| Sharpen Up (GB) | 2 |
| Timeless Moment | 2 |
| Wild Again | 2 |
| Az Igazi | 1 |
| Babas Fables | 1 |
| Chief's Crown | 1 |
| Chilly Twist | 1 |
| Explodent | 1 |
| Gallant Romeo | 1 |
| Good Manners | 1 |
| Graustark | 1 |
| Hyperborean | 1 |
| Irish Castle | 1 |
| Is It True | 1 |
| Liloy (FR) | 1 |
| Majestic Prince | 1 |
| Miswaki | 1 |
| Never Tabled | 1 |
| Norcliffe | 1 |
| Prince John | 1 |
| Sea-Bird | 1 |
| Seeking the Gold | 1 |
| Sky Classic | 1 |
| Tom Fool | 1 |
| Turn-to | 1 |
| Waajib (IRE) | 1 |
| Whiskey Road | 1 |
Source: The Jockey Club
Current through 4/29/2024