Usually, we don’t use the words “underperformance” and “mistakes” in the same sentence as the legendary Warren Buffett. The Berkshire Hathaway (BRK.B) chairman has built an impeccable reputation for himself, and is regarded as one of the best investors of all time.
While Berkshire’s performance versus the S&P 500 Index ($SPX) has underwhelmed over the last few years, the “Oracle of Omaha” continues to have a large fan following. One of Buffett's hallmarks has been humility, and he has admitted to making many mistakes. One of them is related to Kraft Heinz (KHC), whose stock has been a perennial S&P 500 underperformer. Here’s why Buffett termed the investment a mistake, and a list of some other mistakes that the nonagenarian has admitted to.
