Shergar in fourth, and the Aga Khan took the decision to retire him to stud in Ireland. After Shergar's Epsom Derby win, the Aga Khan sold 40 shares in the horse, valuing it at £10 million. Retaining six shares, he created an owner's syndicate with the remaining 34 members. Shergar was stolen from the Aga Khan's stud farm by an armed gang on 8 February 1983. Negotiations were conducted with the thieves, but the gang broke off all communication after four days when the syndicate did not accept as true the proof provided that the horse was still alive. In 1999
Horse Chestnut (horse) where he went to stud. He was subsequently purchased by the Horse Chestnut Syndicate and relocated back to South Africa in 2009 and stood at Drakenstein Farm Stud where he stood 6 seasons until his death. He produced a number of stakes winners but nothing remotely comparable to himself. Horse Chestnut died on 19 February 2015 in his stall at Drakenstein Stud in South Africa. Autopsy revealed that heart failure was the cause of his death. Horse Chestnut (horse) Horse Chestnut (foaled 19 August 1995-died 19 February 2015) was a champion thoroughbred racehorse bred in South Africa by Harry F.