Berkshire Hathaway (BRK.A -0.76%) (BRK.B -0.69%) has one of the most impressive track records of any stock in history. However, with Berkshire's market cap exceeding $800 billion, is it still a good long-term investment for your portfolio?

*Stock prices used were the afternoon prices of Oct. 26, 2023. The video was published on Oct. 26, 2023.