Enter 5-60 holdings with ratings from 1-7. 7 is the most conviction and 1 is the least. These can correlate to position sizes or other confidence measures. If you have more than 60 holdings, enter some combination of your holdings. For A and B shares like BRKa and BRKb combine them as one holding called BRK. Also, the more holdings you enter the more customized the result. Test it out!