Lucky you because now your investment in IOTA has 5x or more already.

I can't say much about suggestions because i believe in you doing your own homework. Don't rely on others to tell you about what to invest in. But i personally believe that monero may be a good time to buy in right now, so is ZCash.

Both are anonymous coins that i believe may come in handy in the future when regulations are tightening up.

These coins are not just useful for p2p, they are also very useful for very wealthy individuals to store money privately, which is extremely attractive.