Thailand's largest hospital operator Bangkok Dusit Medical Services is set to acquire a 74.8% stake in Bumrungrad Hospital, a healthcare services provider, for $3.2bn. The tender comprises 546.3m common shares, accounting 74.8% of all issued shares, and 1.2m preferred shares (0.17%). BDMS will also buy BH's debentures, which can be converted into another 137.3k common shares.