It’s not just the fans who are betting on a longshot. When it comes to investing in a thoroughbred, the chances of earning back your investment are as thin as a strand of horsehair. Still, some lucky—and savvy—folks win the equine lottery. With American Pharoah looking to become the first horse in 35 years to win the Triple Crown at Saturday’s Belmont Stakes, we took a look back at a few horses who made their owners rich on the race course—and we’re not even including their lucrative stud fees. (Triple Crown years in parenthesis.) Click through the gallery above to see a few of the horses who paid off big for their humans.