UPDATE 2-Berkshire takes bigger bite of Apple, pares Wal-Mart
* Apple stake up 55 percent, Wal-Mart stake down 27 percent
* Soros, Icahn, Cooperman dissolve Apple stakes
* Berkshire lowers Deere, Suncor stakes, ups Liberty Global (Adds comments on Apple and other investments, details on other investors cutting Apple stakes, byline)
By Jonathan Stempel
Aug 15 (Reuters) - Warren Buffett's Berkshire Hathaway Inc on Monday said it has increased its stake in Apple Inc by 55 percent, boosting its bet on the iPhone and iPod maker even as prominent investors like George Soros and Carl Icahn shed theirs.
Berkshire owned 15.23 million Apple shares worth $1.46 billion as of June 30, up from 9.81 million shares as of March 31, according to a regulatory filing from Buffett's Omaha, Nebraska-based conglomerate.
The filing also said Berkshire cut its stake in Wal-Mart Stores Inc, the world's largest retailer, by 27 percent to about 40.23 million shares from 55.24 million. Wal-Mart has been in Berkshire's portfolio for more than a decade.
It was unclear whether Buffett or one of his portfolio managers, Todd Combs and Ted Weschler, are investing in Apple.
Berkshire owned more than $133 billion of equities as of June 30. Buffett is typically responsible for larger investments such as Wal-Mart, while his deputies handle smaller investments. Continued...