While I personally do not invest in altcoins anymore as I got burned many times I can tell you that you simply have too much money invested in altcoins, bitcoin should be the main component of any portfolio that is based on cryptocurrencies, with altcoins constituting only a small portion of it.

If I were you I will stop any new acquisitions of altcoins and I will get bitcoin, yes I know that right now is very expensive but that mistake could have been avoided if when you were forming your portfolio you thought about the possibly of bitcoin surpassing its ATH.