OMAHA (dpa-AFX) - Warren Buffett's Berkshire Hathaway Inc. (BRK.A, BRK.B) disclosed a $4.5 billion stake in Phillips 66, the Houston-based oil refiner, Bloomberg reported.
Berkshire held almost 58 million shares after purchases this week, or more than 10 percent of the total outstanding, according to a regulatory filing issued Friday by Buffett's Omaha, Neb.-based company.
The new investment is up sharply from Berkshire's last disclosure. In May, Berkshire reported a stake of 7.5 million shares of the oil refiner at the end of the first quarter.
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