Warren Buffett Just Sent Wall Street a Historic $127 Billion Warning. History Says the Stock Market Will Do This Next.

Since 2010, Berkshire has been a net seller of stocks — meaning its equity security sales exceeded its equity security purchases — in seven years (excluding the current one). The table lists each year in which Berkshire was a net seller, the total value of the stocks Berkshire sold during the year, and the S&P 500’s return in the subsequent year.

Year

Net Stock Sales

S&P 500’s Return During the Next Year

2010

$1.6 billion

0%

2012

$0.7 billion

30%

2014

$1.9 billion

(1%)

2016

$12 billion

19%

2020

$8.6 billion

27%

2021

$7.4 billion

(19%)

2023

$24.2 billion

21%*

Average

N/A

11%

Data source: YCharts. The asterisk indicates that the S&P 500’s performance in 2024 is not final. Table by author.

As shown, since 2010, the S&P 500 has returned an average of 11% during the 12 months following years in which Berkshire was a net seller of stocks. Remember, the S&P 500 returned an average of 12% since 2010. That means Buffett and his team have typically leaned away from stocks before below-average years.

Here’s how investors should interpret that information: History says it’s sensible to invest more aggressively following years in which Berkshire is a net buyer, and less aggressively following years in which it was a net seller. However, it would be wrong to totally avoid the stock market in either scenario.

For instance, history says the S&P 500 will return 11% next year. While that is below the annual average of 12% since 2010, missing those gains would still be problematic, and the problem would compound over time.

Since 2010, the S&P 500 has returned a cumulative 141% during the 12-month periods following years in which Berkshire was a net seller. But over the same period, the S&P 500 has returned a cumulative 427% when all years are included in the calculation. So, investors who selectively held an S&P 500 index fund following years in which Berkshire was a net buyer would have underperformed investors who held an S&P 500 index fund without regard for whether Berkshire was buying or selling stocks.

There is another reason investors shouldn’t read too deeply into Berkshire’s record $325 billion cash position. While it certainly suggests Buffett and his fellow investment managers are struggling to find reasonably priced stocks, Berkshire’s investment options are limited by the sheer size of the company.

To elaborate, Berkshire’s stock portfolio was worth $272 billion as of Sept. 30, meaning it accounted for more than 40% of the company’s $629 billion book value (which is a good proxy for intrinsic value). Very few stocks are large enough to have a consequential impact on the company’s book value. Buffett himself mentioned that problem in his latest shareholder letter:

There remain only a handful of companies in this country capable of truly moving the needle at Berkshire, and they have been endlessly picked over by us and by others. Outside the U.S., there are essentially no candidates that are meaningful options for capital deployment at Berkshire. All in all, we have no possibility of eye-popping performance.

To be clear, stocks are historically expensive. The S&P 500 currently trades at 21.3 times forward earnings, a premium to the five-year average of 19.6 times forward earnings. But investors should not interpret Berkshire’s record cash position to mean there are no worthwhile investments. Instead, they should view it as a warning to carefully consider valuations before buying stocks.

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Trevor Jennewine has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Berkshire Hathaway. The Motley Fool has a disclosure policy.

Warren Buffett Just Sent Wall Street a Historic $127 Billion Warning. History Says the Stock Market Will Do This Next. was originally published by The Motley Fool