Well, diversifying your coins into several top 100 coins should be fine
IOTA is always good to hold imo by looking the amount of TPS it can scale
Follow up by EOS, if you think ETH is quite a good blockchain network, EOS does something like that but have a slightly different approach in terms of the infrastructure
Some days have been a good day for IOTA, the price increase that continues to occur is a strong indication that by buying IOTA we can get big profits, I'm sure and optimistic that the future of IOTA is very good.