Activist investor Barry Rosenstein's Jana Partners hedge fund roughly doubled in value during the second quarter to $16.16 billion according to its latest filing.
New holdings of the fund include Apache (NYSE: APA) disclosed in July. Rosenstein said recently he's "in discussions" with Apache's management, urging them to divest international oil operations.
Also new to Rosenstein's portfolio: 4.4 million shares of FMC Corp. (NYSE: FMC). Shares of the chemical concern jumped two percent Friday to $66 a share.
CBS (NYSE: CBS) made a new appearance in the portfolio, with Rosenstein acquiring four million shares. CBS was unchanged Thursday at $57.70.
Rosenstein also added Equity Commonwealth (NYSE: EQC), acquiring 5.5 million shares of the real estate investment trust. Equity shares were up 0.26 percent Thursday.
The filing also revealed a big addition to Rosenstein's position in Hertz Global (NYSE: HTZ) to 5.9 million shares, up from 125,000.
Hertz was up recently 1.3 percent to $29.34 a share.
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