 Originally DYO was owned 75% personally by "Durmus Yaşar" (and from 1967 Yaşar Holding) and 25% personally by "Dan Alexander MacGregor Sadolin" of "Sadolin & Holmblad".Originally Sadolin ve Yaşarin – later DYOSAD – was owned 75% by DYO – from 1967 "Yaşar Holding" – and 25% by "Sadolin & Holmblad".In 1982, "Sadolin & Holmblad" increased its shareholding several times first to 37.5% and then to 43.5% – while the remaining shares were owned by "Yaşar Holding".