Sergey Levin acquired an additional 9.65% stake in Public Joint Stock Company Open Investments (MISX:OPIN) on August 24, 2017. Sergey Levin increased its stake from 14.79% to 24.44% stake in Public Joint Stock Company Open Investments. Sergey Levin completed the acquisition of an additional 9.65% stake in Public Joint Stock Company Open Investments (MISX:OPIN) on August 24, 2017.