Warren Buffett has remained quiet on Trump’s controversial tariff policy, which has raised the ire of trading partners and escalated the trade war between China and the U.S.

Any hint that Buffett made market moves in April when the post–“liberation day” selloff took the S&P 500 down nearly 20% from its Feb. 19 record-high finish would be welcome

Investors often use Berkshire Hathaway's quarterly-filed Form 13Fs to track Warren Buffett's trading activity. Buffett has been a net seller of stocks for nine consecutive quarters, which has ballooned Berkshire's cash pile to $334 billion.