Does Berkshire Hathaway charge a fee?

Yes, investing in Berkshire Hathaway (BRK.B) is a wise and prudent long-term investment for your portfolio as it is a diversified holdings firm.

Since it is a stock and not an index fund (exchange-traded fund or mutual fund), you are not charged to hold shares in the investment security.

The only thing you will be paying is a fee that your brokerage firm will charge (if applicable).