Since September 1, 2018 new provisions of the Civil Code of the Russian Federation on hereditary fund, an order of its creation, management, beneficiary interest will come into force. In article the question of testate succession of the corporate stocks which are carrying over hereditary fund is considered. The conclusion is drawn that the hereditary fund becomes the special shareholder exercising the corporate rights not at discretion, but according to conditions of management of hereditary fund in interests of beneficiaries. The conclusion about need of modification of laws on the commercial corporations defining features of a legal status of hereditary fund as the shareholder (participant) of corporation is drawn.