25% for each coin. I think 4 coin u say is very good. and u dont want to risk when invest only 1 coin. So let share
A basic philosophy is that never put all your money in one coin just like never put all your eggs in one basket. Invest wisely between the coins that you think have potential to provide a good appreciation in future. Select 3-4 minimum and purchase accordingly. The coins selection will differ from person to person as every one have their own think like Ripples, Monero, Dimcoin, ETH, Zcash are few of them.