Reksa Dana Sentra Ekuitas Berkembang (mutual fund) purchased 21.82% shares of Siwani Makmur (SIMA) while Reksa Dana EMCO Mantap reduced its investment in SIMA to 6.32% from earlier 19.5%. Reksa Dana Sentra Ekuitas Berkembang is owned by PT Anugerah Sentra Investama that now holds 49.33% SIMA shares.