Heinz (HNZ, Fortune 500) shareholders will receive $72.50 a share in cash, a 20% premium over Wednesday's closing price, which was already near Heinz's record high. It will keep Heinz's headquarters in Pittsburgh.
Shares of Heinz shot even higher, to $72.90 a share, in premarket trading on the news. Shares of Berkshire (BRKA, Fortune 500) were not trading pre-market.
Berkshire has investments in a number of high-profile companies, including Deere & Co. (DE, Fortune 500), IBM (IBM, Fortune 500) and Procter & Gamble (PG, Fortune 500). But it also owns a number of companies outright, including fast-food chain Dairy Queen, insurer GEICO and the railroad company Burlington Northern Santa Fe.