...have the right to apply for a subsidy?
The presence of any property, including an apartment, car, tractor, cow, land shares, does not affect the right to receive a subsidy. When calculating the subsidy, the income that this property brings is taken into account, but if the share is not rented out. In this case, you have income from it. Therefore, it will be taken into account whether you will be granted a subsidy or not.