Up 17% in 2025, Has Warren Buffett-Led Berkshire Hathaway Run Up Too Far, Too Fast?
Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) is up 17% year to date (YTD) at the time of this writing -- handily crushing an 8.3% decline in the S&P 500 (SNPINDEX: ^GSPC). Berkshire Hathaway has been on such a tear that it is one of the top 40 best-performing S&P 500 components in 2025. Hovering around an all-time high, Berkshire's market cap is now $1.15 trillion -- making it the sixth-most valuable U.S. company behind Apple (NASDAQ: AAPL), Microsoft, Nvidia, Amazon, Alphabet, and Meta Platforms.