Fidelity has an interesting screener tool to compare mutual funds and ETFs [look for Include ETFs in the detailed menu on the left panel]. Also can add tickers for mutual funds and ETFs. Just for test, I tried to add tickers for CEFs and stocks and it won't accept those, so only valid tickers for mutual funds and ETFs. Tool has open-access [Fido account or login not required] and Compare results are linkable, e.g. FBGRX QQQ VUG SPY Overview
Poster "popcorn" at Fido Investor Community brought this dual feature of Fido Mutual Fund screener to my attention.