Set up my first portfolio earlier this year, now reaching the 3 month mark. Want to hear some thoughts on it?

I wanted to create a simple portfolio for long term growth. Here is the breakdown:

VOO: 18.88%
USA: 14.12%
MGK: 14.55%
VWUSX: 52.44%

I tried to create something pretty conservative, but with good growth. Looking for any suggestions. I think I want to lower my stake in VWUSX and add a little more high risk high reward type to my portfolio. Thoughts?