Warren Buffett’s 90/10 portfolio: Does this strategy still make sense in 2025?

Warren Buffett is one of the greatest investors ever, so when he offers insight into his investment strategy, people tend to listen. Buffett has made his fortune identifying undervalued businesses and buying them for the company he has led for 60 years, Berkshire Hathaway. 

Berkshire shareholders have been rewarded enormously during Buffett’s stewardship, with the stock returning 19.9 percent annually since 1965, compared to 10.4 percent for the S&P 500. 

So it may have come as a surprise when Buffett revealed that his wife’s inheritance would be held in a trust, with 90 percent of the money in an S&P 500 index fund and the remaining 10 percent in short-term government bonds.

If you’re trying to decide what portfolio allocations make the most se...
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