Warren Buffett, the legendary investor known as the "Oracle of Omaha," continues to make waves in the financial world even as he approaches his mid-90s. His company, Berkshire Hathaway, has been

Buffett invested in Heinz in 2013 and two years later, Heinz merged with Kraft Foods. He bought 326 million shares during this merger at a cost of around $24.6 billion. He has held on to that stake, which is now worth $11.4 billion.

If you know anything about Warren Buffett, you probably greatly admire how he has increased the value of his company, Berkshire Hathaway, by an annual average of nearly 20% over close to 60 years. Buffett has bought many great companies outright and has invested in the stock of other companies.

Had you invested $1,000 in Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) when Warren Buffett became its CEO in 1965, you would have $42.5 million today. The same investment in the S&P 500 would have grown to just $343,

One of those value plays is Kraft Heinz ( KHC 0.72%), which trades at just 9 times forward earnings and pays a hefty forward dividend yield of 5.5%. Buffett gained 326 million shares of Kraft Heinz in 2015 after driving Kraft Foods to merge with H.J. Heinz, and he hasn't ever sold a single share.