Despite Buffett overseeing stakes in nearly four-dozen securities, the lion's share of Berkshire's invested assets have been put to work in seven top ideas.

Warren Buffett's Berkshire Hathaway has added to its holdings of Occidental Petroleum and SiriusXM, sending shares of both companies higher Friday.

Why Berkshire Hathaway’s cash and short-term holdings suggest that stocks are overvalued and lower prices are coming.

Since Warren Buffett became the CEO of Berkshire Hathaway ( BRK.A 0.80%) ( BRK.B 0.95%) in 1965, its stock has delivered a compound annual return of 19.8%. That would have been enough to turn a $1,000 investment into $42.5 million, whereas the same investment in the S&P 500 would have grown to just $325,053 over the same period.

This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. Long-time investors and Warren Buffett mavens are familiar with his quote,