Airtel is the biggest shareholder in Indus, with 47.95%; Vodafone Group has 21.05% and 30.97% is with the public, according to the tower company's latest filing with the BSE. A buyout of the Vodafone stake will boost Airtel's shareholding to 69%. Indus shares ended 2.9% higher at ₹359.65 on the BSE on Tuesday, giving it ₹96,923.41 crore market capitalisation.