my strategy very similar to you but I am holding few tokens which have better future according to the ICo project concept to use the cryptocurrency that they will make .
I am solding my all tokens which are having very low marketing as well as very low popularity in this field because I know very well that they can't you better profit for me .
My main basic stretegy is to hold 50% and sell 50% , first of all before the sell of the project I made analysis wether the coin token have any future or this is just a illusion in the market due to hype of the advertisement of the project and after that when I became sure that project is better then sell about 50% of the tokens and if I found that the token have no future then in that case I sold all the token so that no loss I need face .
And after selling of the tokens , I usually put my tokens in the another better Altcoins like xrp , posw , doge , dgb , eth , Bitcoin directly so that after that I can have better future with my holdings instead to remain with the tokens I should remain with the bitcoin like better coins that have future and no chance of loss for long term hodl .