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
Acamas (horse) following year, Acamas described as "unquestionably the best French three-year-old", rating him on 130, three pounds below Ile de Bourbon. In the official International Classification he was also rated three pounds behind Ile de Bourbon, making him the second best three-year-old in Europe, and the third-best horse of any age. In August 1978 a half-share in the colt was sold to the Irish breeder Tim Rogers and he began his stud career at the Ballymany Stud, County Kildare in 1979. He had serious fertility problems and sired very few foals. He was returned to racing as an eight-year-old in 1983,