Einhorn Trims Apple Holdings, Buys Calpine, Rite Aid

Billionaire investor David Einhorn's Greenlight Capital trimmed its stake in iPhone maker Apple Inc. and department-store operator Macy's Inc. in the second quarter, while taking new stakes in Calpine Corp. and Rite Aid , according to a regulatory filing on Monday. Large investors are required to disclose long equity positions held at the end of each quarter in a Securities and Exchange filing that's due 45 days later. Greenlight's filing showed the fund trimmed its Apple stake by 16% from the end of the first quarter to 6.855 million shares, according to filing tracking service Whalewisdom.com. The filing also showed Einhorn took a new stake of 10.33 million shares in pharmacy chain Rite Aid Corp and 5.66 million shares in electricity generator Calpine Corp. . Greenlight also sold its nearly 7.06 million share stake in Macy's .