This is most certainly Berkshire Hathaway, Warren Buffet’s ballast stock which he refuses to sell in smaller chunks. Right now, it’s worth a whopping $500,000! Berkshire Hathaway is a multi-industry conglomerate, which owns companies such as: Duracell, Dairy Queen, Helzberg Diamonds, NetJets, Fruit of the Loom, Coca Cola (9%), Kraft Heinz (26.7%), American Express (18.8%), and Apple (6%).