Your portfolio is fairly conservative actuallly, nothing like too diversified or risky here. LTC is a lot as a total but you may want to hold on to it until it attempts a breakthrough in the 250-350$ range. Iota & TRX momentum is gone for the moment and they need to prove a lot. EOS has a lot to prove as its extremely hyped(and dont forget its 10times the circulating supply of other platform tokens like NEO and ETH), XRB you should definitely want to get some more as it can only go up from now on ( rebranded 2days ago, listed on a big exchange -Binance - finally) and its tech is excellent.
For stuff to replace there look into lending platforms ( crypto to crypto with working product -> ETHLend ) + (Crypto to fiat -> SALT at extremely deflated prices today ~5$ its a steal), then some wild cards like INS+ADST (both fresh off their ICOS and 50% off due to market decline), PRL + Elix+APPC with ambitious products and also at 1/4ths of ATHs and last but not least platform coins/tokens like COSS/COB/BNB/KCS.
Good luck and happy hunting!