Jana Partners Buys iShares Russell, Oil States, Sells BMC, Rockwood

Jana Partners LLC revealed in its recent 13F filing that it added iShares Russell 2000 Index (ETF) (NYSEARCA:IWM) and Oil States International, Inc. (NYSE:OIS) while it sold out its positions in BMC Software, Inc. (NASDAQ:BMC) and Rockwood Holdings, Inc. (NYSE:ROC). The advisory firm added 23 new stocks to its portfolio, bought more shares of twelve stocks, exited 14 stocks and reduced holdings in 8 stocks. The top ten holdings of Jana Partners represent 70.31 percent of its portfolio. Jana Partners has a market value of $7.09 billion. Jana Partners major new positions iShares Russell 2000 Index (ETF) (NYSEARCA:IWM) was the biggest new addition to…