Renaissance Technologies is one of the most successful hedge funds of current times founded by Jim Simons (Trades, Portfolio). The firm employs complex mathematical models to analyze and execute trades, many of them automated. Renaissance uses computer-based models to predict price changes in easily traded financial instruments. These models are based on analyzing as much data as can be gathered, then looking for non-random movements to make predictions.
Last quarter, the firm increased its position in CF Industries (NYSE:CF) by buying 283,100 shares. As of June 30, Renaissance Technologies was holding 481,850 shares of the company. CF Industries is one of the largest manufacturers and distributors of nitrogen fertilizer and other nitrogen products in the world. The company's principal customers are cooperatives, independent fertilizer distributors and industrial users. CF Industries' principal nitrogen fertilizer products are ammonia, granular urea and urea ammonium nitrate solution (UAN). Its other nitrogen products include ammonium nitrate (AN), diesel exhaust fluid (DEF), urea liquor and aqua ammonia, which are sold primarily to its industrial customers. Continue Reading »