Berkshire Takes Express Scripts Stake; Some Trades Secret

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Warren Buffett’s Berkshire Hathaway Inc. disclosed a $35 million stake in Express Scripts Holding Co. while requesting that at least one other trade be kept confidential.

Holdings in General Motors Co. rose by 21 percent and an investment in Charter Communications Inc. more than doubled in size during the third quarter, Omaha, Nebraska-based Berkshire also said yesterday in a filing to the U.S. Securities and Exchange Commission. A stake in DirecTV climbed.