Raymond James Financial Services Advisors Inc. reduced its position in Westlake Co. (NYSE:WLK - Get Rating) by 53.9% in the third quarter, according to its most recent filing with the Securities and Exchange Commission. The institutional investor owned 2,423 shares of the specialty chemicals company's stock after selling 2,836 shares during the quarter. Raymond James Financial Services Advisors Inc.'s holdings in Westlake were worth $211,000 at the end of the most recent quarter. A number of other hedge funds and other institutional investors have also recently modified their holdings of the company.