Ather Energy Co-founders Tarun Sanjay and Swapnil Jain, both of whom own 6.81% stakes each, will be earning 1,422% returns on investments following the Ather's IPO, valuing their stake at ₹659 crore each, Moneycontrol reported. Tiger Global will earn 732% returns, valuing its stake at ₹634 crore. Caladium's 15.43% stake will give them 57% returns with ₹1,493-crore post-IPO stake value.