Public Joint - Stock Company Ruspolymet (MISX:RUSP) acquired an additional 10% stake in Grankom OOO on January 15, 2019. Ruspolymet increased its stake in Grankom to 99.997% from 89.997%. Public Joint - Stock Company Ruspolymet (MISX:RUSP) completed the acquisition of an additional 10% stake in Grankom OOO on January 15, 2019.