Emerging markets-focused investment firm The Rohatyn Group (TRG) has sold its 37 percent stake in Bulgaria-based pharmaceutical company Huvepharma to Advance Properties, an investment holding company controlled by the Domuschiev family. The transaction was structured through TRG Growth Fund II. Huvepharma focuses on developing, manufacturing and marketing animal health and nutrition products, as well as several ingredients used in human health products. Financial details of the transaction were not disclosed.